Climatological Report (Monthly)
Issued by NWS Marquette, MI

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CLMMQT

CLIMATE REPORT...PRELIMINARY
NATIONAL WEATHER SERVICE MARQUETTE MI
1150 PM EDT THU JUL 15 2016

...................................

...THE MARQUETTE MI CLIMATE SUMMARY FOR THE MONTH OF JUNE 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1961 TO 2016

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              99   06/30/1963
 LOW               25   06/04/1964
HIGHEST            87   06/19        70      17       81  06/27
                        06/18
LOWEST             36   06/08        48     -12       30  06/01
AVG. MAXIMUM     70.7              71.7    -1.0     69.3
AVG. MINIMUM     49.3              49.4    -0.1     46.8
MEAN             60.0              60.6    -0.6     58.1
DAYS MAX >= 90      0               0.7    -0.7        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.0     0.0        1
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        12.26   1968
 MINIMUM         0.61   1992
TOTALS           3.54              2.84    0.70     2.49
DAILY AVG.       0.12              0.09    0.03     0.08
DAYS >= .01        13              12.2     0.8       15
DAYS >= .10         7               6.8     0.2        7
DAYS >= .50         3               1.8     1.2        1
DAYS >= 1.00        1               0.4     0.6        0
GREATEST
 24 HR. TOTAL    1.14   06/25 TO 06/26

SNOWFALL (INCHES)
RECORDS
 TOTAL              T   1998
                        1990
TOTALS              TR              0.0     0.0      0.0
SINCE 7/1       160.9             203.3   -42.4    178.7
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= 1.0         0               0.0     0.0        0
GREATEST
 SNOW DEPTH         0   MM                             0  MM
 24 HR TOTAL        TR  06/01 TO 06/01

DEGREE_DAYS
HEATING TOTAL     182               182       0      202
 SINCE 7/1       8386              9334    -948     9987
COOLING TOTAL      41                48      -7        0
 SINCE 1/1         52                60      -8        2
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              MM
HIGHEST WIND SPEED/DIRECTION    MM        DATE   MM
HIGHEST GUST SPEED/DIRECTION    40/270    DATE  06/20

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER             MM
NUMBER OF DAYS FAIR          MM
NUMBER OF DAYS PC            MM
NUMBER OF DAYS CLOUDY        MM

AVERAGE RH (PERCENT)     MM

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       2
LIGHT RAIN               15     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       1
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       9     FOG W/VIS <= 1/4 MILE      3
HAZE                      0

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

&&

...JUNE 2016 MONTHLY CLIMATE SUMMARY FOR UPPER MICHIGAN...
/THIS DISCUSSION DOES NOT INCLUDE CHIPPEWA AND MACKINAC COUNTIES/

...NEAR NORMAL MONTHLY AVERAGE TEMPERATURE...

...GENERALLY WETTER THAN NORMAL ESPECIALLY OVER THE NORTHWEST HALF...

JUNE CLIMATE STATISTICS FOR THE MARQUETTE NWS IN NEGAUNEE TOWNSHIP

                                    NORMAL   DEPARTURE
AVERAGE TEMPERATURE         60.0     60.6  MINUS    0.6
AVERAGE HIGH TEMPERATURE    70.7     71.7  MINUS    1.0
AVERAGE LOW TEMPERATURE     49.3     49.4  MINUS    0.1
HEATING DEGREE DAYS          182      182             0
COOLING DEGREE DAYS           41       48  MINUS      7
TOTAL PRECIPITATION         3.54     2.84   PLUS   0.70
TOTAL SNOWFALL                 0        0             0

HIGHEST TEMPERATURE:                    87 ON 6/18 AND 6/19
LOWEST TEMPERATURE:                     36 ON 6/8
GREATEST CALENDAR DAY PRECIPITATION:  1.06 ON 6/25
GREATEST 24 HOUR PRECIPITATION:       1.14 ON 6/25-6/26
GREATEST CALENDAR DAY SNOWFALL:          0
PEAK WIND SPEED:      40 MPH FROM THE WEST ON 6/20

DAILY RECORD PRECIPITATION ON 6/1...0.85 /OLD RECORD 0.59...1987/
DAILY RECORD PRECIPITATION ON 6/4...0.65 /0.40...2010/
---------------------------------------------------------------------
GREAT LAKES WATER LEVELS (FEET/METERS ABOVE MEAN SEA LEVEL)

                            LAKE SUPERIOR  LAKE MICHIGAN-HURON
6/01/16 DAILY MEAN          602.14/183.53     580.11/176.82
6/30/16 DAILY MEAN          602.53/183.65     580.18/176.84
AVG MAY 2016 DAILY MEAN     602.05/183.51     580.11/176.82
AVG JUN 2015 DAILY MEAN     602.45/183.63     579.67/176.68
LONG TERM JUN DAILY MEAN    601.84/183.44     579.20/176.54
MAXIMUM JUN DAILY MEAN      602.89/183.76     581.79/177.33
                                (1986)           (1986)
MINIMUM JUN DAILY MEAN      599.90/182.85     576.64/175.76
                                (1926)           (1964)

...GREAT LAKES WATER LEVELS RISE SLOWLY AND REMAIN WELL ABOVE NORMAL
IN JUNE...

DESPITE PERIODS OF DRY WEATHER IN RECENT MONTHS, GREAT LAKES WATER
LEVELS CONTINUED TO RISE SLOWLY DURING JUNE DUE TO RUNOFF FROM
EPISODES OF HEAVY PRECIPITATION THAT HAVE ALSO IMPACTED THE AREA. AT
THE END OF JUNE, WATER LEVELS ON LAKE SUPERIOR WERE 8 TO 9 INCHES
ABOVE NORMAL AND WITHIN AN INCH OF THE LEVEL OBSERVED IN JUNE 2015.
THE LEVEL ON LAKES MICHIGAN AND HURON WAS 11 TO 12 INCHES ABOVE
AVERAGE ON 6/29 AND ABOUT 6 INCHES HIGHER THAN IN JUNE 2015.

OBTAIN GREAT LAKES WATER LEVEL DATA AS REPORTED BY THE U.S. ARMY
CORPS OF ENGINEERS AT

HTTP://WWW.LRE.USACE.ARMY.MIL/MISSIONS/GREATLAKESINFORMATION/
       GREATLAKESWATERLEVELS/CURRENTCONDITIONS.ASPX.
---------------------------------------------------------------------
                        JUNE CLIMATE HIGHLIGHTS

HIGHEST REPORTED TEMPERATURE...92 AT PELKIE IN BARAGA COUNTY ON 6/18
                                AND THE HOIST BASIN IN MARQUETTE
                                COUNTY ON 6/19

LOWEST REPORTED TEMPERATURE...27 NEAR COVINGTON IN BARAGA COUNTY
                               ON 6/8 AND NEAR NEWBERRY ON 6/9

HIGHEST AVERAGE TEMPERATURE...63.5 DEGREES AT FORD AIRPORT NEAR IRON
                               MOUNTAIN

LOWEST AVERAGE TEMPERATURE...56.9 DEGREES AT COPPER HARBOR

HIGHEST MONTHLY PRECIPITATION...6.42 INCHES AT IRONWOOD

LOWEST MONTHLY PRECIPITATION...2.34 INCHES AT CHATHAM IN ALGER COUNTY

THE WEATHER PATTERN ACROSS NORTH AMERICA WAS A CHANGEABLE ONE IN
JUNE 2016, RESULTING IN VARIABLE TEMPERATURES AS WELL AS ABOVE
NORMAL PRECIPITATION AT MOST PLACES, ESPECIALLY ACROSS THE NORTHWEST
HALF OF UPPER MICHIGAN. OVERALL, THE TEMPERATURE VARIATIONS TENDED
TO BALANCE OUT, SO THE MEAN MONTHLY TEMPERATURE BETWEEN ABOUT 57 AND
63 DEGREES ENDED UP WITHIN A DEGREE OF THE JUNE NORMAL OVER ALL OF
UPPER MICHIGAN. THESE MEAN TEMPERATURES WERE 6 TO 10 DEGREES HIGHER
THAN THE MAY AVERAGES. THE COLDEST PERIOD WAS 6/6 TO 6/9 AND
FEATURED SOME LOW TEMPERATURES IN THE 20S ON 6/8 AND 6/9. DURING THE
WARMEST TIME UNDER AN UPPER RIDGE ON 6/17 INTO 6/19, THE THERMOMETER
TOPPED OUT IN THE 90S AT SOME LOCATIONS.

EVEN THOUGH THERE WERE VERY DRY PERIODS WHEN HIGH PRESSURE
DOMINATED, SOME MODERATE TO HEAVY RAINS FELL DURING THE TIMES UPPER
TROUGHING PREVAILED AND ALLOWED STRONGER DISTURBANCES TO INTERACT
WITH THE MOIST AIRMASSES THAT FLOWED INTO THE GREAT LAKES. THESE
DISTURBANCES HAD MORE OF AN IMPACT OVER THE NORTHWEST HALF OF THE
UPPER PENINSULA, WHERE JUNE RAINFALL EXCEEDED 4 INCHES AT SOME
LOCATIONS AND EVEN REACHED 6.42 INCHES AT IRONWOOD. THERE WAS
ANOTHER STRIPE OF HIGHER PRECIPITATION OVER THE FAR SOUTH CENTRAL.
JUNE RAINFALL AT MENOMINEE WAS 6.40 INCHES. THESE TOTALS ARE ABOUT
175 PERCENT OF THE JUNE NORMALS. THE LEAST RAIN AROUND 2.50 TO
3.00 INCHES FELL ALONG A LINE FROM CRYSTAL FALLS TO GWINN IN
MARQUETTE COUNTY, MUNISING AND NEWBERRY. THE LOWEST MONTHLY
PRECIPITATION REPORT OF 2.34 INCHES AT CHATHAM IN ALGER COUNTY IS
ABOUT 75 PERCENT OF THE NORMAL JUNE RAINFALL FOR THAT LOCATION.

THE FIRST HALF OF JUNE FEATURED AN ACTIVE WEATHER PATTERN WITH
FREQUENT SHOWERS. WIDESPREAD SHOWERS OCCURRED ON 6/1, 6/4, 6/6,
6/10, AND 6/15. ON 6/1, A COLD FRONT ATTENDANT TO LOW PRESSURE
MOVING THROUGH NORTHWEST ONTARIO CAUSED NUMEROUS SHOWERS AND SOME
THUNDERSTORMS. NEGAUNEE IN MARQUETTE COUNTY PICKED UP AS MUCH AS
0.85 INCH OF RAIN UNDER SOME OF THE HEAVIER STORMS, WHICH ALSO
DROPPED HAIL THE SIZE OF NICKLES AND QUARTERS AT SEVERAL SITES OVER
THE CENTRAL U.P.

WIDESPREAD RAIN AHEAD OF A LOW PRESSURE SYSTEM MOVING EAST THROUGH
MINNESOTA AND INTO THE UPPER GREAT LAKES ARRIVED OVER THE WEST LATE
ON 6/3 AND THEN SHIFTED ACROSS UPPER MICHIGAN. BY THE TIME THIS
PRECIPITATION ENDED IN THE EVENING ON 6/4, MANY PLACES HAD PICKED UP
0.50 TO 1.00 INCH OF RAIN. NEWBERRY LED REPORTING STATIONS WITH 1.34
INCHES. THE PASSAGE OF A LOW PRESSURE TROUGH ON 6/6 ON THE SOUTHWEST
FLANK OF THE DEPARTING LOW PRESSURE SYSTEM MOVING INTO QUEBEC
BROUGHT ANOTHER ROUND OF NUMEROUS SHOWERS FROM LATE ON 6/5 INTO THE
EARLY MORNING ON 6/7. MANY PLACES SAW 0.50 TO 0.50 INCH OF RAIN
DURING THIS TIME. AS MUCH AS 0.87 INCH FELL AT GREENLAND IN
ONTONAGON COUNTY. NORTHWEST WINDS GUSTED AS HIGH AS 35 MPH BEHIND
THE TROUGH PASSAGE ON 6/6.

THE COOLEST CANADIAN AIRMASS TO INFLUENCE UPPER MICHIGAN IN JUNE
INVADED THE AREA FOLLOWING THIS TROUGH PASSAGE AND DOMINATED ON 6/6
THROUGH 6/9, WHEN MEAN DAILY TEMPERATURES RAN 5 TO 10 DEGREES BELOW
NORMAL. HIGH TEMPERATURES IN THE 50S WERE COMMON ON 6/6 THROUGH 6/8
AND ESPECIALLY ON 6/7. DURING THE COOLEST MORNINGS ON 6/8 AND 6/9
WHEN CANADIAN HIGH PRESSURE BROUGHT MOSTLY CLEAR SKIES AND LIGHT
WINDS, THE MERCURY DIPPED INTO THE 20S AT SOME OF THE INTERIOR COLD
SPOTS, REACHING 27 NEAR COVINGTON IN BARAGA COUNTY ON 6/8 AND AT A
LOCATION CLOSE TO NEWBERRY ON 6/9.

SOUTH WINDS GUSTING AS HIGH AS 30 MPH ON 6/10 BETWEEN THE DEPARTING
CANADIAN HIGH PRESSURE TO THE EAST AND AN APPROACHING COLD FRONT IN
MINNESOTA BROUGHT A QUICK RETURN OF WARMER AND MORE HUMID CONDITIONS
THAT FUELED THE DEVELOPMENT OF SHOWERS AND SOME STRONG THUNDERSTORMS
DURING THE LATE AFTERNOON AND EVENING ON THAT DAY. THERE WAS SOME
WIND DAMAGE REPORTED IN GOGEBIC COUNTY AND SOME LOCALLY HEAVY RAIN
AS WELL. IRONWOOD PICKED UP 0.95 INCH OF RAIN. PRECIPITATION TOTALS
BETWEEN 0.10 AND 0.75 INCH WERE COMMON ACROSS UPPER MICHIGAN DURING
THIS EVENT. NORTHWEST WINDS GUSTED AS HIGH AS 35 MPH BEHIND THE COLD
FRONTAL PASSAGE ON 6/11.

THE NEXT WIDESPREAD RAIN ARRIVED LATE ON 6/14 AHEAD OF THE NEXT
STRONG UPPER DISTURBANCE MOVING THROUGH MINNESOTA. BANDS OF SHOWERS
AND THUNDERSTORMS AHEAD OF THIS FEATURE AND AN ACCOMPANYING SURFACE
LOW PRESSURE SYSTEM AND WARM FRONT IMPACTED THE U.P. INTO EARLY
6/16. SOME LOCALLY HEAVY RAIN FELL, ESPECIALLY NEAR THE WISCONSIN
BORDER AND THE APPROACHING WARM FRONT. IRONWOOD ONCE AGAIN LED
REPORTING STATIONS WITH 2.46 INCHES OF PRECIPITATION. MENOMINEE WAS
CLOSE BEHIND WITH 2.28 INCHES. MOST PLACES PICKED UP 0.25 TO 0.75
INCH OF RAIN. LOCALLY DENSE FOG DEVELOPED OVER CENTRAL UPPER
MICHIGAN DURING THE EVENING ON 6/15.

SINCE HIGH PRESSURE PREDOMINATED THE LAST TWO WEEKS OF JUNE, MOST OF
THE TIME AFTER 6/15 WAS DRY. HIGH PRESSURE TRAILING THE DISTURBANCE
RESPONSIBLE FOR THE MID MONTH RAIN EVENT MOVED INTO THE MID ATLANTIC
STATES ON 6/18, ALLOWING A MUCH WARMER AIRMASS TO ARRIVE ON 6/17 AND
PERSIST THROUGH FATHER`S DAY ON 6/19. MEAN DAILY TEMPERATURES ROSE
FROM ABOUT 5 DEGREES ABOVE NORMAL ON 6/17 TO AROUND 15 DEGREES ABOVE
AVERAGE ON 6/19. THE MERCURY ROSE TO OR ABOVE 90 AT A FEW LOCATIONS
AWAY FROM THE COOLING INFLUENCE OF THE GREAT LAKES ON ALL 3 DAYS.
READINGS TOPPED OUT AS HIGH AS 92 AT PELKIE IN BARAGA COUNTY ON 6/18
AND THE HOIST BASIN IN NORTHWEST MARQUETTE COUNTY ON 6/19. BEFORE A
COLD FRONT PASSED EARLY ON 6/20 AND ENDED THIS HEAT WAVE, LOW
TEMPERATURES THAT MORNING DID NOT FALL BELOW 70 AT SOME PLACES.
MENOMINEE REPORTED AN UNCOMFORTABLE MINIMUM TEMPERATURE OF 74 EARLY
ON 6/20. THERE WERE SOME SCATTERED SHOWERS AND THUNDERSTORMS OVER
MAINLY NORTHWEST UPPER MICHIGAN AHEAD OF THE FRONT DURING THE NIGHT
ON 6/19-6/20, BUT NO PLACE REPORTED MORE THAN 0.10 INCH OF RAIN.
BEHIND THE FRONTAL PASSAGE ON 6/20, NORTHWEST WINDS GUSTED AS HIGH
AS 51 MPH AT THE HOUGHTON COUNTY AIRPORT. THESE STRONG WINDS CAUSED
SOME MINOR DAMAGE.

A CLUSTER OF SHOWERS AND THUNDERSTORMS WITH SOME HEAVY RAIN MOVED
ACROSS UPPER MICHIGAN ON 6/25 TO THE NORTH OF AN APPROACHING WARM
FRONT. THE STRONGER STORMS CAUSED WIND GUSTS UP TO 50 MPH OVER THE
KEWEENAW AND NEAR THE WISCONSIN BORDER ALONG WITH SOME WIND DAMAGE.
ANOTHER BAND OF SHOWERS AND STORMS AHEAD OF A COLD FRONT CROSSED THE
AREA DURING THE NIGHT ON 6/25-6/26, ACCOMPANIED ONCE AGAIN WITH
HEAVY RAIN AND GUSTY WINDS. RAINFALL TOTALS EXCEEDED AN INCH AT MANY
LOCATIONS, WITH AS MUCH AS 2.37 INCHES FALLING AT ATLANTIC MINE IN
HOUGHTON COUNTY AND 2.05 INCHES AT MENOMINEE. NEWBERRY HAD THE LEAST
PRECIPITATION DURING THIS EVENT WITH 0.40 INCH. FOLLOWING THE COLD
FRONTAL PASSAGE, WEST WINDS GUSTED UP TO 35 MPH ON 6/26. EVEN
STRONGER NORTHWEST WIND GUSTS UP TO 45 TO 50 MPH DEVELOPED OVER THE
KEWEENAW PENINSULA DURING THE NIGHT ON 6/26-6/27 ACCOMPANYING THE
PASSAGE OF A REINFORCING COLD FRONT THAT BROUGHT SOME LIGHT SHOWERS
INTO 6/27 AND COOL WEATHER TO END THE MONTH.

JUNE ENDED ON WET NOTE AS NUMEROUS SHOWERS AND A FEW THUNDERSTORMS
ROLLED ACROSS UPPER MICHIGAN ON 6/30 AHEAD OF A PASSING COLD FRONT.
MOST PLACES PICKED UP 0.25 TO 0.75 INCH OF RAIN ON 6/30. AS MUCH AS
1.03 INCHES FELL AT CHATHAM IN ALGER COUNTY.
---------------------------------------------------------------------
SOME OTHER TEMPERATURE AND PRECIPITATION OBSERVATIONS ACROSS UPPER
MICHIGAN IN JUNE 2016 INCLUDE:

IRONWOOD...AVERAGE TEMPERATURE 61.6 /0.3 DEGREE ABOVE NORMAL/
           PRECIPITATION 6.42 INCHES /2.76 INCHES ABOVE NORMAL/

WATERSMEET (GOGEBIC COUNTY)...PRECIPITATION 4.10 INCHES

GREENLAND (ONTONAGON COUNTY)...AVERAGE TEMPERATURE 59.6 DEGREES
                               PRECIPITATION 4.45 INCHES

BERGLAND DAM (ONTONAGON COUNTY)...AVERAGE TEMPERATURE 61.1 DEGREES
                                  PRECIPITATION 3.29 INCHES

HOUGHTON COUNTY...AVERAGE TEMPERATURE 59.1 /0.2 DEGREE BELOW NORMAL/
 AIRPORT          PRECIPITATION 4.07 INCHES /1.49 INCHES ABOVE NORMAL/

ATLANTIC MINE (HOUGHTON COUNTY)...PRECIPITATION 4.69 INCHES

COPPER HARBOR...AVERAGE TEMPERATURE 56.9 DEGREES
                PRECIPITATION 3.27 INCHES

JACOBSVILLE (HOUGHTON COUNTY)...AVERAGE TEMPERATURE 57.2 DEGREES
                                PRECIPITATION 4.32 INCHES

BARAGA...PRECIPITATION 3.92 INCHES

HERMAN (BARAGA COUNTY)...AVERAGE TEMPERATURE 57.9 DEGREES
                         PRECIPITATION 3.58 INCHES

CLARKSBURG (MARQUETTE COUNTY)...AVERAGE TEMPERATURE 58.9 DEGREES
                                PRECIPITATION 2.59 INCHES

BIG BAY (MARQUETTE COUNTY)...AVERAGE TEMPERATURE 59.6 DEGREES
                             PRECIPITATION 2.77 INCHES

MARQUETTE CITY...PRECIPITATION 2.95 INCHES /0.27 INCH ABOVE NORMAL/

CHATHAM (ALGER COUNTY)...AVERAGE TEMPERATURE 60.7 DEGREES
                         PRECIPITATION 2.34 INCHES

MUNISING...AVERAGE TEMPERATURE 58.7 /0.4 DEGREE BELOW NORMAL/
           PRECIPITATION 3.10 INCHES /0.26 INCH BELOW NORMAL/

NEWBERRY...AVERAGE TEMPERATURE 60.1 /0.4 DEGREE BELOW NORMAL/
           PRECIPITATION 2.87 INCHES /0.11 INCH BELOW NORMAL/

STAMBAUGH (IRON COUNTY)...AVERAGE TEMPERATURE 60.5 DEGREES
                          PRECIPITATION 3.45 INCHES

AMASA (IRON COUNTY)...AVERAGE TEMPERATURE 62.1 DEGREES
                      PRECIPITATION 2.69 INCHES

FORD AIRPORT...AVERAGE TEMPERATURE 63.5 DEGREES
 NEAR IRON MOUNTAIN

IRON MOUNTAIN...AVERAGE TEMPERATURE 64.3 /0.7 DEGREE ABOVE NORMAL/
                PRECIPITATION 3.93 INCHES /0.45 INCH ABOVE NORMAL/

NORWAY (DICKINSON COUNTY)...PRECIPITATION 4.11 INCHES

DAGGETT (MENOMINEE COUNTY)...PRECIPITATION 5.55 INCHES

MENOMINEE...PRECIPITATION 6.40 INCHES

ESCANABA...PRECIPITATION 2.79 INCHES

GLADSTONE (DELTA COUNTY)...PRECIPITATION 3.40 INCHES

GARDEN CORNERS (DELTA COUNTY)...AVERAGE TEMPERATURE 61.6 DEGREES
                                PRECIPITATION 2.71 INCHES

COOKS (SCHOOLCRAFT COUNTY)...PRECIPITATION 3.39 INCHES

MANISTIQUE...AVERAGE TEMPERATURE 59.1 /0.2 DEGREE BELOW NORMAL/
             PRECIPITATION 3.64 INCHES /0.69 INCH ABOVE NORMAL/

                         JUNE WEATHER SUMMARY

MORE TO COME LATER.

                            JULY FORECAST

THE CLIMATE PREDICTION CENTER (CPC) IS FORECASTING A GREATER THAN
CLIMATOLOGICAL CHANCE OF AN ABOVE NORMAL MONTHLY MEAN TEMPERATURE
BUT EQUAL CHANCES OF ABOVE AND BELOW NORMAL MONTHLY PRECIPITATION
ACROSS ALL OF UPPER MICHIGAN IN JULY 2016.

                           JULY CLIMATOLOGY

ALTHOUGH DAYLIGHT BEGINS TO GROW SHORTER DURING JULY (946 MINUTES OF
POSSIBLE SUNSHINE ON 7/1 DECREASES TO 894 MINUTES ON 7/31) AS THE
SUN STARTS ITS ANNUAL MIGRATION SOUTHWARD...AVERAGE MONTHLY
TEMPERATURES PEAK DURING THE SEVENTH MONTH...ABOUT 5 DEGREES HIGHER
THAN IN JUNE. TEMPERATURES OVER 100 ARE RARE IN UPPER MICHIGAN...BUT
THEY ARE MOST LIKELY IN JULY. THE MOST EXTREME HEATWAVE IN UPPER
MICHIGAN HISTORY OCCURRED DURING THE SECOND WEEK OF JULY 1936.
RESIDENTS OF NEWBERRY ENDURED SIX DAYS IN A ROW FROM 7/8/36 TO
7/13/36 WHERE THE HIGH TEMPERATURE REACHED 100 OR ABOVE...INCLUDING
AN ALL TIME RECORD 103 DEGREE READING ON 7/13/36. IN FACT...THE
SEVEN HOTTEST DAYS IN NEWBERRY HISTORY OCCURRED DURING THE WEEK OF
7/8/36 TO 7/14/36. IRONWOOD AND IRON MOUNTAIN ALSO RECORDED THEIR
ALL TIME HIGHEST TEMPERATURE ON 7/13/36 WITH MAXIMUM TEMPERATURES OF
104 AND 103 RESPECTIVELY. EVEN THOUGH THE 104 READING IN DOWNTOWN
MARQUETTE ON 7/13/36 IS NOT THE HIGHEST TEMPERATURE EVER OBSERVED
THERE...WHICH IS 108 ON 7/15/1901...THAT FACT PROBABLY WAS OF LITTLE
COMFORT TO LOCAL RESIDENTS...WHO ALSO SUFFERED THROUGH SWELTERING
LOW TEMPERATURES OF 80 ON 7/8/36 AND 7/9/36.

IN RECENT MEMORY...JULY IN 2006 AND 2011 WERE QUITE WARM OVER UPPER
MICHIGAN WITH MONTHLY MEAN TEMPERATURES AVERAGING 2 TO 5 DEGREES
ABOVE THE 30-YEAR NORMAL. THOUSAND ISLAND LAKE IN GOGEBIC COUNTY
REPORTED A MAXIMUM TEMPERATURE OF 100 OR BETTER ON FOUR DAYS IN JULY
2006...WHICH GOES DOWN IN THE RECORD BOOKS AS ONE OF THE TOP 10
WARMEST SEVENTH MONTHS AT ALL REPORTING SITES. JULY 2011 WAS ALSO
ONE OF THE TOP 10 WARMEST AT MANY LOCATIONS.

AT THE OTHER EXTREME, COOL AIRMASSES FROM CANADA CAN BRING FROST TO
MAINLY OUTLYING AREAS OF UPPER MICHIGAN DURING JULY. IRONWOOD
RECORDED A 31 DEGREE READING ON 7/2/1907, AND NEWBERRY OBSERVED 32
ON 7/21/92. ON 7/19 AND 7/20/2000, FROST DEVELOPED AT SOME INTERIOR
LOCATIONS AS CANADIAN HIGH PRESSURE PARKED ITSELF OVERHEAD AND
DROPPED THE MERCURY AS LOW AS 28. JULY 1992 GOES DOWN IN THE RECORD
BOOKS AT MOST UPPER MICHIGAN STATIONS AS THE COOLEST EVER. MEAN JULY
1992 TEMPERATURES THROUGHOUT THE AREA AVERAGED SIX TO NINE DEGREES
BELOW THE NORMAL OF 65 TO 68. JULY 2009 ENDED UP AS THE SECOND
COOLEST SEVENTH MONTH ON RECORD AT MOST PLACES, TRAILING ONLY JULY
1992 WITH A MEAN MONTHLY TEMPERATURE 4 TO 6 DEGREES BELOW AVERAGE.
JULY IN 2004 AND 2014 WAS ALSO QUITE CHILLY, WITH MOST LOCATIONS
OBSERVING MONTHLY AVERAGE TEMPERATURES 2 TO 5 DEGREES BELOW NORMAL
BOTH THOSE MONTHS. MANY PLACES EXPERIENCED A TOP TEN COOLEST JULY IN
2014, WITH THAT MONTH THE SECOND COOLEST JULY AT MANISTIQUE.

ALTHOUGH THE AVERAGE JULY TENDS TO BE DRIER THAN JUNE BECAUSE THE
JET STREAM AND MOST WEATHER DISTURBANCES ARE FARTHER NORTH...
FREQUENT JULY THUNDERSTORMS CAN DROP HEAVY RAINS. DURING THE
OVERNIGHT OF 7/14-7/15 IN 1999...THUNDERSTORMS DELUGED SOUTHERN IRON
COUNTY WITH AS MUCH AS 8 INCHES OF RAIN AND CAUSED SOME FLASH
FLOODING. IN JULY 1909...AS MUCH AS 15.45 INCHES OF RAIN INUNDATED
IRONWOOD. MOST OF THIS RAIN FELL ON 7/19 INTO 7/22...WHEN THAT SITE
REPORTED AN INCREDIBLE 13.21 INCHES DURING THAT FOUR DAY STRETCH.

              OUTLOOK FOR LATE SUMMER INTO EARLY FALL

THE CPC IS FORECASTING A GREATER THAN CLIMATOLOGICAL CHANCE OF AN
ABOVE NORMAL 3-MONTH AVERAGE TEMPERATURE BUT EQUAL CHANGES OF ABOVE
AND BELOW NORMAL 3-MONTH PRECIPITATION OVER ALL OF UPPER MICHIGAN IN
AUGUST THROUGH OCTOBER 2016.

GO TO HTTP://WWW.WEATHER.GOV/CLIMATE/L3MTO.PHP TO ACCESS DETAILED
LOCAL THREE-MONTH AVERAGE TEMPERATURE OUTLOOKS FOR A NUMBER OF SITES
IN UPPER MICHIGAN.

CHECK OUT HTTP://WWW.CPC.NCEP.NOAA.GOV FOR MORE INFORMATION ABOUT
THE CLIMATE PREDICTION CENTER AND MORE LONG RANGE PREDICTIONS.

NOTE THAT STATISTICS FOR THE NATIONAL WEATHER SERVICE OFFICE IN
NEGAUNEE TOWNSHIP ARE BASED ON RECORDS WHICH BEGAN IN OCTOBER 1961.
THIRTY YEAR NORMALS USED ARE FOR THE PERIOD OF 1981 THROUGH 2010.
NOTE ALL TEMPERATURES ARE IN FAHRENHEIT AND PRECIPITATION IS IN
INCHES. ALL CLIMATE DATA LISTED IN THIS PRODUCT ARE UNOFFICIAL. FOR
OFFICIAL DATA...PLEASE REFER TO THE NATIONAL CLIMATIC DATA CENTER.
ALSO NOTE THIS DISCUSSION DOES NOT INCLUDE DATA FROM CHIPPEWA AND
MACKINAC COUNTIES.

NWS MARQUETTE WEB PAGE IS AT HTTP://WWW.WEATHER.GOV/MQT (ALL LOWER
CASE). CONTACT THE NATIONAL CLIMATIC DATA CENTER AT (828) 271-4800
OR WWW.NCDC.NOAA.GOV.

$$

KC



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