Climatological Report (Monthly)
Issued by NWS Marquette, MI

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000
CXUS53 KMQT 071132 AAA
CLMMQT

CLIMATE REPORT...PRELIMINARY
NATIONAL WEATHER SERVICE MARQUETTE MI
732 AM EDT SUN AUG 7 2016

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

...THE MARQUETTE MI CLIMATE SUMMARY FOR THE MONTH OF JULY 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   07/28/1988
                        07/19/1977
 LOW               34   07/10/1968
                        07/05/1967
HIGHEST            89   07/21        75      14       91  07/27
                        07/20
LOWEST             39   07/16        54     -15       42  07/08
                                                          07/01
AVG. MAXIMUM     77.1              76.4     0.7     77.3
AVG. MINIMUM     55.2              54.6     0.6     54.8
MEAN             66.2              65.5     0.7     66.0
DAYS MAX >= 90      0               1.3    -1.3        1
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.0     0.0        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         5.60   1970
 MINIMUM         0.57   1981
TOTALS           3.49              2.84    0.65     1.70
DAILY AVG.       0.11              0.09    0.02     0.05
DAYS >= .01        13              11.6     1.4        7
DAYS >= .10         8               6.6     1.4        3
DAYS >= .50         2               1.7     0.3        1
DAYS >= 1.00        1               0.4     0.6        1
GREATEST
 24 HR. TOTAL    1.01   07/17 TO 07/17

SNOWFALL (INCHES)
RECORDS
 TOTAL              T   2007
TOTALS              TR              0.0     0.0      0.0
SINCE 7/1           T               0.0     0.0      0.0
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  07/17 TO 07/17

DEGREE_DAYS
HEATING TOTAL      55                79     -24       68
 SINCE 7/1         55                79     -24       68
COOLING TOTAL     102                94       8      106
 SINCE 1/1        154               154       0      108
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              MM
HIGHEST WIND SPEED/DIRECTION    MM        DATE   MM
HIGHEST GUST SPEED/DIRECTION    49/225    DATE  07/21

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                3     RAIN                       3
LIGHT RAIN               18     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       1
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       2     FOG W/VIS <= 1/4 MILE      0
HAZE                      0

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

&&

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

...WARMER THAN NORMAL...

...VARIABLE PRECIPITATION BUT GENERALLY WETTER THAN NORMAL...

JUNE CLIMATE STATISTICS FOR THE MARQUETTE NWS IN NEGAUNEE TOWNSHIP

                                    NORMAL   DEPARTURE
AVERAGE TEMPERATURE         66.2     65.5   PLUS    0.7
AVERAGE HIGH TEMPERATURE    77.1     76.4   PLUS    0.7
AVERAGE LOW TEMPERATURE     55.2     54.6   PLUS    0.6
HEATING DEGREE DAYS           55       79  MINUS     24
COOLING DEGREE DAYS          102       94   PLUS      8
TOTAL PRECIPITATION         3.49     2.84   PLUS   0.65
TOTAL SNOWFALL                 0        0             0

HIGHEST TEMPERATURE:                    89 ON 7/20 AND 7/21
LOWEST TEMPERATURE:                     39 ON 7/16
GREATEST CALENDAR DAY PRECIPITATION:  1.01 ON 7/17
GREATEST 24 HOUR PRECIPITATION:       1.01 ON 7/17
GREATEST CALENDAR DAY SNOWFALL:          0
PEAK WIND SPEED: 49 MPH FROM THE SOUTHWEST ON 7/21

DAILY RECORD LOW MINIMUM TEMPERATURE ON 7/16...39 /OLD RECORD 43...
                                                         1962&1974/
---------------------------------------------------------------------
  ...SEPTEMBER THROUGH JULY CLIMATE STATS FOR THE MARQUETTE NWS...

             ...FOURTH WARMEST SEPTEMBER THROUGH JULY...
                       ...WETTER THAN NORMAL...

                         AVERAGE TEMPERATURE

              OBSERVED NORMAL DEPARTURE     RECORD           RANK
MARQUETTE NWS   40.7    37.7    +3.0     42.6 /2011-12/   4TH WARMEST

                            PRECIPITATION

              OBSERVED NORMAL DEPARTURE     RECORD           RANK
MARQUETTE NWS  34.80   32.63    +2.17   42.21 /1995-96/  18TH HIGHEST
---------------------------------------------------------------------
GREAT LAKES WATER LEVELS (FEET/METERS ABOVE MEAN SEA LEVEL)

                            LAKE SUPERIOR  LAKE MICHIGAN-HURON
7/01/16 DAILY MEAN          602.56/183.66     580.16/176.83
7/31/16 DAILY MEAN          602.71/183.70     580.15/176.83
AVG JUN 2016 DAILY MEAN     602.39/183.61     580.18/176.84
AVG JUL 2015 DAILY MEAN     602.64/183.68     579.81/176.73
LONG TERM JUL DAILY MEAN    602.07/183.51     579.30/176.57
MAXIMUM JUL DAILY MEAN      603.08/183.82     581.99/177.39
                                (1950)           (1986)
MINIMUM JUL DAILY MEAN      600.26/182.96     576.71/175.78
                                (1926)           (1964)

...GREAT LAKES WATER LEVELS REMAIN WELL ABOVE NORMAL IN JULY...

PLENTIFUL RAINFALL OVER THE NORTHWEST HALF OF UPPER MICHIGAN AS WELL
AS ACROSS MOST OF NORTHERN MINNESOTA AND ADJOINING ONTARIO IN JUNE
AND JULY CAUSED LAKE SUPERIOR LEVELS TO RISE DURING JULY. AT THE END
OF JULY, WATER LEVELS ON LAKE SUPERIOR WERE 7 TO 8 INCHES ABOVE
NORMAL AND WITHIN AN INCH OF THE LEVEL OBSERVED IN JULY 2015.
SINCE PRECIPITATION IN THE BASINS THAT FEED LAKES MICHIGAN AND HURON
WAS NOT AS HEAVY AS TO THE NORTHWEST, THE LEVEL OF THOSE LAKES
REMAINED NEARLY STEADY DURING JULY. EVEN SO, THE LEVEL ON LAKES
MICHIGAN AND HURON WAS 10 TO 11 INCHES ABOVE AVERAGE ON 7/31 AND
4 TO 5 INCHES HIGHER THAN IN JULY 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.
---------------------------------------------------------------------
                        JULY CLIMATE HIGHLIGHTS

HIGHEST REPORTED TEMPERATURE...96 AT STONINGTON IN DELTA COUNTY
                                ON 7/22

LOWEST REPORTED TEMPERATURE...30 NEAR NEWBERRY ON 7/16

HIGHEST AVERAGE TEMPERATURE...69.6 DEGREES AT IRON MOUNTAIN AND
                               NORWAY IN DICKINSON COUNTY

LOWEST AVERAGE TEMPERATURE...63.1 DEGREES AT HERMAN IN BARAGA COUNTY

HIGHEST MONTHLY PRECIPITATION...6.28 INCHES AT BERGLAND DAM IN
                                 ONTONAGON COUNTY

LOWEST MONTHLY PRECIPITATION...2.32 INCHES AT IRON MOUNTAIN

EVEN THOUGH THERE WERE COOL PERIODS IN JULY, MAINLY DURING THE FIRST
HALF OF THE MONTH WHEN UPPER TROUGHING TENDED TO PREVAIL MORE OFTEN
THAN NOT ACROSS THE EAST HALF OF NORTH AMERICA, THE WEEK FROM 7/20
THROUGH 7/26 WAS SO WARM UNDER A DOMINATING UPPER RIDGE OVER THE
CENTRAL U.S. THAT THE MONTH AS A WHOLE ENDED UP ABOUT 0.5 TO 1.5
DEGREES WARMER THAN NORMAL AT MOST PLACES IN UPPER MICHIGAN. MEAN
JULY TEMPERATURES RANGING BETWEEN ABOUT 63 AND 70 DEGREES WERE 4 TO
8 DEGREES HIGHER THAN THE JUNE AVERAGES.

DURING THE WARM FOURTH WEEK OF JULY, AT LEAST ONE SPOT SAW THE
MERCURY RISE TO OR ABOVE THE 90-DEGREE MARK ON EACH DAY FROM 7/20
THROUGH 7/23 AND ON 7/26. STONINGTON IN DELTA COUNTY REPORTED THE
WARMEST TEMPERATURE, A TOASTY 96 ON 7/22. MINIMUM TEMPERATURES ON
7/21, 7/22, AND 7/24 HELD IN THE UNCOMFORTABLE LOWER 70S AT SOME
LOCATIONS. A FEW PLACES ALSO REPORTED A MAXIMUM OF 90 ON 7/13.
DURING THE COOLER MORNINGS ON 7/2, 7/3, 7/16, 7/19, AND 7/29, THE
THERMOMETER READ IN THE CHILLY 30S AT SOME OF THE COOLER INTERIOR
LOCATIONS OF THE U.P.

AS IS TYPICAL DURING THE SUMMER MONTHS, MONTHLY PRECIPITATION ACROSS
UPPER MICHIGAN IN JULY 2016 WAS VARIABLE BECAUSE OF THE HIT-OR-MISS
NATURE OF THE CONVECTIVE SHOWERS AND THUNDERSTORMS THAT PREVAIL
DURING THE WARM SEASON. BUT SINCE THE CHANGEABLE PATTERN TENDED TO
BE AN ACTIVE ONE, MOST LOCATIONS ENDED UP WITH ABOVE NORMAL
RAINFALL. LOCATIONS OVER THE WEST NEAR IRONWOOD AND ONTONAGON TENDED
TO BE THE WETTEST, MAINLY DUE TO A CLUSTER OF STRONG TO SEVERE
THUNDERSTORMS THAT DROPPED TORRENTIAL DOWNPOURS ON THAT AREA DURING
THE EARLY MORNING ON 7/12. MONTHLY RAINFALL TOTALS IN THIS AREA WERE
IN EXCESS OF 6 INCHES AT MANY PLACES, AROUND 150 PERCENT OF THE JULY
NORMAL. IRON MOUNTAIN REPORTED THE LEAST MONTHLY PRECIPITATION WITH
2.32 INCHES, ABOUT ONLY 2/3 OF THE TYPICAL JULY RAINFALL AT THAT
SITE.

MODERATE TO HEAVY RAINS ASSOCIATED WITH COMPLEXES OF THUNDERSTORMS
PASSING THROUGH THE UPPER GREAT LAKES OCCURRED FAIRLY REGULARLY OVER
UPPER MICHIGAN IN JULY. DURING THE NIGHT ON 7/5-7/6, A CLUSTER OF
SHOWERS AND STORMS ASSOCIATED WITH A PASSING DISTURBANCE IMPACTED
MAINLY THE WEST HALF. RAINFALL TOTALS DURING THIS EVENT REACHED 1.78
INCHES AT BERGLAND DAM IN ONTONAGON COUNTY AND 1.51 INCHES NEAR
BARAGA. THE STRONGER STORMS ALSO CAUSED SOME DAMAGING WIND GUSTS IN
EXCESS OF 50 MPH.

THE PASSAGE OF ANOTHER STRONG DISTURBANCE AND LOW PRESSURE TROUGH ON
7/8 CAUSED ANOTHER ROUND OF LOCALLY HEAVY SHOWERS AND THUNDERSTORMS
ACROSS MAINLY EASTERN UPPER MICHIGAN. IN ADDITION TO THE HEAVY RAIN
THAT WAS AS MUCH AS 2.46 INCHES NEAR MANISTIQUE, ONE OF THE STRONGER
STORMS CAUSED A WEAK TORNADO NEAR NEWBERRY. THE SAME STORM
RESPONSIBLE FOR THE HEAVY RAINS AT MANISTIQUE CAUSED SOME WIND
DAMAGE IN THAT AREA AS WELL. SOME OF THE STRONGER STORMS ALSO
DROPPED HAIL UP TO AN INCH IN DIAMETER IN A SWATH FROM MARQUETTE TO
MANISTIQUE.

THE ARRIVAL OF A VERY WARM AND HUMID AIRMASS ON 7/11 SET THE STAGE
FOR ANOTHER ROUND OF STRONG TO SEVERE THUNDERSTORMS AND HEAVY RAIN
OVER THE WEST HALF OF UPPER MICHIGAN. SEVERAL BANDS OF SHOWERS AND
STORMS IMPACTED THIS AREA ON 7/11 AND INTO THE MORNING ON 7/12. THE
MOST INTENSE STORMS OCCURRED DURING THE EARLY MORNING HOURS ON 7/12
IN GOGEBIC AND ONTONAGON COUNTIES. THERE DAMAGING WIND GUSTS UP TO
90 MPH NEAR WAKEFIELD AS WELL AS AN EF1 TORNADO NEAR BESSEMER IN
GOGEBIC COUNTY. HEAVY RAINS IN EXCESS OF 2 INCHES FELL AT SOME
PLACES IN GOGEBIC AND ONTONAGON COUNTIES, WITH UNOFFICIAL REPORTS UP
TO 10 INCHES OF RAIN IN WESTERN GOGEBIC COUNTY. THESE HEAVY RAINS
CAUSED SOME FLASH FLOODING IN AREAS WEST OF IRONWOOD.

SOME SHOWERS AND THUNDERSTORMS WITH SOME LOCALLY HEAVY DOWNPOURS
DEVELOPED DURING THE AFTERNOON ON 7/16 AS WARMER AND MORE HUMID AIR
FLOWED AGAIN INTO THE UPPER GREAT LAKES. AS MUCH AS 2.64 INCHES OF
RAIN INUNDATED GLADSTONE IN DELTA COUNTY. AN AREA OF WIDESPREAD RAIN
IMPACTED MAINLY THE EAST HALF DURING THE MORNING ON 7/17 AND DROPPED
OVER AN INCH OF RAIN AT SOME PLACES, INCLUDING 1.65 INCHES AT
MUNISING. THE RETURN OF SOME SUNSHINE DURING THE AFTERNOON ON 7/17
FUELED THE DEVELOPMENT OF SOME SEVERE STORMS IN BARAGA AND MARQUETTE
COUNTIES, WHERE THERE WAS WIND DAMAGE ASSOCIATED WITH THE STRONGER
STORMS.

ANOTHER ROUND OF SEVERE STORMS ROLLED INTO WESTERN UPPER MICHIGAN
AROUND SUNRISE ON 7/21, CAUSING DAMAGING WIND GUSTS UP TO 90 MPH AND
SOME HEAVY RAIN WEST OF A LINE FROM MARQUETTE TO IRON MOUNTAIN UNTIL
THE STORMS WEAKENED AROUND MID-MORNING. BERGLAND DAM LED REPORTING
STATIONS WITH 1.43 INCHES OF RAIN.
---------------------------------------------------------------------
    ...SEPTEMBER THROUGH JULY CLIMATE STATS FOR UPPER MICHIGAN...

               ...TOP FIVE WARMEST AT MOST PLACES...
          ...ABOVE NORMAL PRECIPITATION AT MOST PLACES...
                  ...RECORD WETTEST AT IRONWOOD...

                         AVERAGE TEMPERATURE

               OBSERVED NORMAL DEPARTURE    RECORD           RANK

IRON MOUNTAIN    43.5    40.0    +3.5   44.7 /2011-12/    2ND WARMEST

HOUGHTON         41.8    38.3    +3.5   43.0 /2011-12/    4TH WARMEST

MARQUETTE NWS    40.7    37.7    +3.0   42.6 /2011-12/    4TH WARMEST

NEWBERRY         42.8    39.9    +2.9   44.7 /2011-12/    4TH WARMEST

MUNISING         42.1    39.8    +2.3   43.6 /2011-12/    4TH WARMEST

MANISTIQUE       42.1    40.2    +1.9   43.3 /2011-12/    5TH WARMEST

IRONWOOD         41.0    37.8    +3.2   42.8 /2011-12/   12TH WARMEST

                            PRECIPITATION

                                        /OR PREVIOUS/
              OBSERVED NORMAL DEPARTURE    RECORD            RANK

IRONWOOD       46.95   31.56   +15.39  45.07 /1941-42/ RECORD HIGHEST

MANISTIQUE     34.47   26.45    +8.02  39.35 /1978-79/    2ND HIGHEST

MUNISING       38.58   34.97    +3.61  46.38 /1978-79/    9TH HIGHEST

MARQUETTE NWS  34.80   32.63    +2.17  42.21 /1995-96/   18TH HIGHEST

NEWBERRY       32.02   30.98    +1.04  50.16 /2001-02/   18TH HIGHEST

IRON MOUNTAIN  28.37   26.46    +1.91  34.97 /1998-99/   23RD HIGHEST

HOUGHTON       32.23   25.38    +6.85  41.77 /1978-79/       ****

MARQUETTE CITY 29.41   26.50    +2.91  41.83 /1959-60/       ****

**** RANK NOT IN TOP 25
---------------------------------------------------------------------
SOME OTHER TEMPERATURE AND PRECIPITATION OBSERVATIONS ACROSS UPPER
MICHIGAN IN JULY 2016 INCLUDE:

IRONWOOD...AVERAGE TEMPERATURE 66.5 /0.7 DEGREE ABOVE NORMAL/
           PRECIPITATION 5.93 INCHES /1.83 INCHES ABOVE NORMAL/

WATERSMEET (GOGEBIC COUNTY)...PRECIPITATION 6.12 INCHES

GREENLAND (ONTONAGON COUNTY)...AVERAGE TEMPERATURE 65.0 DEGREES
                               PRECIPITATION 5.55 INCHES

BERGLAND DAM (ONTONAGON COUNTY)...PRECIPITATION 6.28 INCHES

HOUGHTON COUNTY...AVERAGE TEMPERATURE 66.3 /1.5 DEGREES ABOVE NORMAL/
 AIRPORT          PRECIPITATION 2.43 INCHES /0.06 INCH BELOW NORMAL/

ATLANTIC MINE (HOUGHTON COUNTY)...PRECIPITATION 2.58 INCHES

COPPER HARBOR...AVERAGE TEMPERATURE 65.0 DEGREES
                PRECIPITATION 3.46 INCHES

JACOBSVILLE (HOUGHTON COUNTY)...AVERAGE TEMPERATURE 64.0 DEGREES
                                PRECIPITATION 4.19 INCHES

BARAGA...AVERAGE TEMPERATURE 67.0 DEGREES
         PRECIPITATION 4.69 INCHES

HERMAN (BARAGA COUNTY)...AVERAGE TEMPERATURE 63.1 DEGREES
                         PRECIPITATION 5.88 INCHES

CLARKSBURG (MARQUETTE COUNTY)...AVERAGE TEMPERATURE 64.4 DEGREES
                                PRECIPITATION 4.09 INCHES

BIG BAY (MARQUETTE COUNTY)...AVERAGE TEMPERATURE 66.8 DEGREES
                             PRECIPITATION 3.79 INCHES

MARQUETTE CITY...AVERAGE TEMPERATURE 68.1 /1.5 DEGREES ABOVE NORMAL/
                 PRECIPITATION 3.51 INCHES /0.69 INCH ABOVE NORMAL/

CHATHAM (ALGER COUNTY)...PRECIPITATION 3.44 INCHES

MUNISING...AVERAGE TEMPERATURE 65.6 /0.8 DEGREE ABOVE NORMAL/
           PRECIPITATION 4.49 INCHES /1.22 INCHES ABOVE NORMAL/

NEWBERRY...AVERAGE TEMPERATURE 66.8 /1.2 DEGREES ABOVE NORMAL/
           PRECIPITATION 3.13 INCHES /0.03 INCH ABOVE NORMAL/


STAMBAUGH (IRON COUNTY)...AVERAGE TEMPERATURE 65.3 DEGREES
                          PRECIPITATION 2.46 INCHES

AMASA (IRON COUNTY)...AVERAGE TEMPERATURE 67.1 DEGREES
                      PRECIPITATION 3.28 INCHES

FORD AIRPORT...AVERAGE TEMPERATURE 68.8 DEGREES
 NEAR IRON MOUNTAIN

IRON MOUNTAIN...AVERAGE TEMPERATURE 69.6 /1.6 DEGREES ABOVE NORMAL/
                PRECIPITATION 2.32 INCHES /1.13 INCHES BELOW NORMAL/

NORWAY (DICKINSON COUNTY)...AVERAGE TEMPERATURE 69.6 DEGREES
                            PRECIPITATION 2.36 INCHES

DAGGETT (MENOMINEE COUNTY)...PRECIPITATION 4.31 INCHES

MENOMINEE...PRECIPITATION 3.29 INCHES

ESCANABA...PRECIPITATION 2.91 INCHES

GLADSTONE (DELTA COUNTY)...PRECIPITATION 4.64 INCHES

GARDEN CORNERS (DELTA COUNTY)...AVERAGE TEMPERATURE 66.8 DEGREES
                                PRECIPITATION 2.98 INCHES

COOKS (SCHOOLCRAFT COUNTY)...PRECIPITATION 3.95 INCHES

MANISTIQUE...AVERAGE TEMPERATURE 64.9 /0.2 DEGREE ABOVE NORMAL/
             PRECIPITATION 4.78 INCHES /1.74 INCH ABOVE NORMAL/

                        JULY WEATHER SUMMARY

MORE TO COME LATER.

                           AUGUST FORECAST

THE CLIMATE PREDICTION CENTER (CPC) IS FORECASTING EQUAL CHANCES OF
AN ABOVE AND BELOW NORMAL MONTHLY MEAN TEMPERATURE AND MONTHLY
PRECIPITATION ACROSS ALL OF UPPER MICHIGAN IN AUGUST 2016.

                         AUGUST CLIMATOLOGY

AFTER PEAKING IN JULY...AVERAGE TEMPERATURES IN AUGUST BEGIN TO
SLIDE AS THE SUN CONTINUES ITS LATE YEAR JOURNEY SOUTH. POSSIBLE
SUNSHINE DECLINES FROM 892 MINUTES ON 8/1 TO 804 MINUTES ON 8/31...
AND AVERAGE TEMPERATURES ARE ONE TO TWO DEGREES LOWER THAN IN JULY.

BUT SUMMER ACROSS UPPER MICHIGAN IS NOT OVER YET IN AUGUST. ALTHOUGH
100 DEGREE TEMPERATURES ARE RARE DURING THE EIGHTH MONTH...SUCH HEAT
IS NOT UNPRECEDENTED. IN AUGUST 2001...BARK RIVER IN DELTA COUNTY
SAW THE MERCURY RISE AS HIGH AS 102 ON 8/7 AND 101 ON 8/6 DURING A
TORRID HEAT WAVE BETWEEN 8/5 AND 8/8. 8/5/47 GOES DOWN IN THE RECORD
BOOKS OVER MUCH OF UPPER MICHIGAN AS THE HOTTEST AUGUST DAY SINCE
RECORDS BEGAN. IRON MOUNTAIN (101)...IRONWOOD (101)...AND DOWNTOWN
MARQUETTE (102) ALL RECORDED THEIR ALL TIME HIGHEST AUGUST
TEMPERATURES ON THAT SWELTERING DAY. AUGUST 1947 IS ALSO THE WARMEST
AUGUST ON RECORD AT IRONWOOD (73.4 DEGREE AVERAGE TEMPERATURE)...
IRON MOUNTAIN (72.4)...AND NEWBERRY (69.6).

ALTHOUGH SUMMER HEAT CAN STILL GRIP THE AREA IN AUGUST...COOLER AIR
MASSES MAKE MORE FREQUENT VISITS TO THE NORTHERN GREAT LAKES DURING
THE EIGHTH MONTH. AS THE NIGHTS LENGTHEN IN AUGUST...FROST BECOMES
A  GREATER THREAT OVER ESPECIALLY INTERIOR LOCATIONS AWAY FROM THE
MODERATING INFLUENCE OF THE GREAT LAKES (LAKE WATER TEMPERATURES
TYPICALLY REACH THEIR HIGHEST LEVELS IN MID TO LATE AUGUST). THE
LOW  TEMPERATURE AT IRONWOOD HAS REACHED FREEZING AS EARLY AS
8/4...IN  1907. BETWEEN 8/19 AND 8/21 IN 2000...SOME SHELTERED
INLAND LOCATIONS REPORTED FROST. AUGUST 2004 WAS THE COOLEST EIGHTH
MONTH IN RECENT MEMORY. MONTHLY TEMPERATURES AVERAGED 3 TO 6 DEGREES
BELOW NORMAL...AND AUGUST 2004 GOES DOWN IN THE RECORD BOOKS IN THE
LIST OF TOP 10 COOLEST AT ALMOST ALL REPORTING STATIONS. PATCHY
FROST WAS OBSERVED OVER THE COOLER INLAND LOCATIONS IN AUGUST 2004
BETWEEN 8/19 AND 8/21.

PRECIPITATION IN AUGUST CAN BE QUITE VARIABLE DEPENDING ON THE
FREQUENCY OF THUNDERSTORMS. THE DRIEST EIGHTH MONTH IN RECENT YEARS
OCCURRED IN 2008...WHEN MANY PLACES ENDURED ONE OF THE TOP FIVE
DRIEST AUGUSTS ON RECORD IN THE ABSENCE OF MUCH CONVECTION. ONLY
0.42 INCH AND 0.44 INCH OF RAIN FELL IN THE CITY OF MARQUETTE AND AT
THE MARQUETTE NWS IN THAT DRY MONTH...WHICH GOES DOWN IN THE RECORD
BOOKS AS THE DRIEST AUGUST ON RECORD AT THOSE LOCATIONS. 2007 ALSO
FEATURED A TOP TEN DRIEST EIGHTH MONTH AT MOST LOCATIONS THAT HELPED
DROP LAKE SUPERIOR TO A RECORD LOW LEVEL. ON THE OTHER HAND...SLOW
MOVING THUNDERSTORMS CAN STILL THREATEN THE UPPER PENINSULA WITH
TORRENTIAL RAIN. A TOTAL OF 11.15 INCHES OF RAIN INUNDATED IRONWOOD
DURING AUGUST 1941.

                          OUTLOOK FOR 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
SEPTEMBER THROUGH NOVEMBER 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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