Climatological Report (Monthly)
Issued by NWS Marquette, MI

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000
CXUS53 KMQT 141914 AAA
CLMMQT

CLIMATE REPORT...PRELIMINARY
NATIONAL WEATHER SERVICE MARQUETTE MI
315 PM EDT THU AUG 14 2014

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

...THE MARQUETTE MI CLIMATE SUMMARY FOR THE MONTH OF JULY 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1961 TO 2014

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            86   07/21        75      11       92  07/16
LOWEST             43   07/10        54     -11       38  07/02
AVG. MAXIMUM     72.4              76.4    -4.0     76.0
AVG. MINIMUM     52.0              54.6    -2.6     54.4
MEAN             62.2              65.5    -3.3     65.2
DAYS MAX >= 90      0               1.3    -1.3        2
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           4.18              2.84    1.34     4.78
DAILY AVG.       0.13              0.09    0.04     0.15
DAYS >= .01        13              11.6     1.4       13
DAYS >= .10         7               6.6     0.4       10
DAYS >= .50         4               1.7     2.3        2
DAYS >= 1.00        1               0.4     0.6        1
GREATEST
 24 HR. TOTAL    1.59   07/06 TO 07/06

SNOWFALL (INCHES)
RECORDS
 TOTAL            0.0   MM
TOTALS            0.0               0.0     0.0      0.0
SINCE 7/1         0.0               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      0.0   MM

DEGREE_DAYS
HEATING TOTAL     121                79      42      112
 SINCE 7/1        121                79      42      112
COOLING TOTAL      42                94     -52      128
 SINCE 1/1        116               154     -38      180
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              MM
HIGHEST WIND SPEED/DIRECTION    MM        DATE   MM
HIGHEST GUST SPEED/DIRECTION    42/315    DATE  07/06

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                       4
LIGHT RAIN               18     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       1
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       6     FOG W/VIS <= 1/4 MILE      1
HAZE                      0

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

&&

...JULY 2014 MONTHLY CLIMATE SUMMARY FOR UPPER MICHIGAN...
/THIS DISCUSSION DOES NOT INCLUDE CHIPPEWA AND MACKINAC COUNTIES/

...TOP TEN COOLEST JULY AT SOME PLACES...

...SECOND COOLEST JULY AT MANISTIQUE...
...FIFTH COOLEST JULY AT IRONWOOD...
...SIXTH COOLEST JULY AT NEWBERRY...
...EIGHTH COOLEST JULY AT THE MARQUETTE NWS...
...NINTH COOLEST JULY AT MUNISING...

...GENERALLY WET OVER THE NORTH CENTRAL BUT DRY ELSEWHERE...

JULY CLIMATE STATISTICS FOR THE MARQUETTE NWS IN NEGAUNEE TOWNSHIP

                                    NORMAL   DEPARTURE
AVERAGE TEMPERATURE         62.2     65.5  MINUS    3.3
AVERAGE HIGH TEMPERATURE    72.4     76.4  MINUS    4.0
AVERAGE LOW TEMPERATURE     52.0     54.6  MINUS    2.6
HEATING DEGREE DAYS          121       79   PLUS     42
COOLING DEGREE DAYS           42       94  MINUS     52
TOTAL PRECIPITATION         4.18     2.84   PLUS   1.34
TOTAL SNOWFALL                 0        0             0

HIGHEST TEMPERATURE:                    86 ON 7/21
LOWEST TEMPERATURE:                     43 ON 7/10
GREATEST CALENDAR DAY PRECIPITATION:  1.59 ON 7/6
GREATEST 24 HOUR PRECIPITATION:       1.59 ON 7/6
PEAK WIND SPEED: 42 MPH FROM THE NORTHWEST ON 7/6

DAILY RECORD PRECIPITATION ON 7/6...1.59 /OLD RECORD 1.00...1987/
DAILY RECORD LOW MAXIMUM TEMPERATURE ON 7/8...57 /60...1997/
DAILY RECORD PRECIPITATION ON 7/8...0.72 /0.66...1990/
DAILY RECORD LOW MAXIMUM TEMPERATURE ON 7/15...53 /64...1963/
EIGHTH LOWEST JULY MEAN TEMPERATURE...62.2 /RECORD 58.3...1992/
---------------------------------------------------------------------
GREAT LAKES WATER LEVELS (FEET/METERS ABOVE MEAN SEA LEVEL)

                            LAKE SUPERIOR  LAKE MICHIGAN-HURON
07/01/14 DAILY MEAN         602.46/183.63     578.88/176.44
07/31/14 DAILY MEAN         602.61/183.67     578.96/176.47
AVG JUN 2014 DAILY MEAN     602.37/183.60     578.66/176.38
AVG JUL 2013 DAILY MEAN     601.60/183.37     577.72/176.09
LONG TERM JUL DAILY MEAN    602.03/183.50     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 RISE SLOWLY IN JULY...

THE COMBINATION OF RUNOFF FROM HEAVY PRECIPITATION THIS YEAR AS WELL
AS REDUCED EVAPORATION DUE TO CHILLY WATER TEMPERATURES CAUSED GREAT
LAKES WATER LEVELS TO RISE SLOWLY IN JULY. BY THE END OF JULY...THE
LAKE SUPERIOR WATER LEVEL WAS OVER 12 INCHES HIGHER THAN IN JULY
2013 AND ABOUT 7 INCHES ABOVE THE LONG TERM NORMAL. THE LEVEL OF
LAKES MICHIGAN/HURON ON 7/31 WAS ABOUT 15 INCHES HIGHER THAN DURING
LAST JULY BUT STILL ABOUT 4 INCHES BELOW THE LONG TERM AVERAGE.

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 (ALL LOWER CASE).
---------------------------------------------------------------------
                        JULY CLIMATE HIGHLIGHTS

HIGHEST REPORTED TEMPERATURE...93 NEAR ONTONAGON AND BARAGA ON 7/21

LOWEST REPORTED TEMPERATURE...32 AT A SITE 10 MILES NORTHWEST OF
                               NEWBERRY ON 7/10

HIGHEST AVERAGE TEMPERATURE...65.4 DEGREES NEAR ESCANABA

LOWEST AVERAGE TEMPERATURE...59.0 DEGREES AT STAMBAUGH IN IRON COUNTY

HIGHEST MONTHLY PRECIPITATION...5.96 INCHES AT HERMAN IN BARAGA
                                 COUNTY

LOWEST MONTHLY PRECIPITATION...1.31 INCHES AT MANISTIQUE

AN UPPER TROUGH WAS PRESENT OVER EASTERN NORTH AMERICA MOST OF THE
TIME IN JULY 2014...RESULTING IN A COOLER THAN NORMAL MONTH ACROSS
ALL OF UPPER MICHIGAN AS THE NORTHWEST FLOW ALOFT TO THE WEST OF THE
TROUGH AXIS ALLOWED FOR FREQUENT INCURSIONS OF CANADIAN AIRMASSES.
MEAN MONTHLY TEMPERATURES RANGED FROM 2 TO NEARLY 5 DEGREES BELOW
NORMAL OVER THE EAST FROM MANISTIQUE TO NEWBERRY. THESE RELATIVELY
CHILLY CONDITIONS WERE DUE MAINLY TO COOL DAYTIME TEMPERATURES. IN
FACT...THERE WERE NO OCCURRENCES OF 80-DEGREE TEMPERATURES AT
NEWBERRY IN JULY FOR THE FIRST TIME SINCE 1992. THE JULY MONTHLY
AVERAGE TEMPERATURES BETWEEN 59 AND 65 DEGREES WERE WITHIN A FEW
DEGREES OF THE JUNE AVERAGES AT MOST PLACES BUT UP TO 4 TO 7 DEGREES
WARMER AT SOME LOCATIONS NEAR THE GREAT LAKES DUE TO THE STEADILY
INCREASING NEARSHORE WATER TEMPERATURES.

DESPITE THE PERSISTENCE OF THE UPPER TROUGH...MOST PLACES ACROSS THE
U.P. SAW DRIER THAN NORMAL CONDITIONS IN JULY. THE ONLY EXCEPTION
WAS IN THE AREA NORTH OF A LINE FROM THE PORCUPINE MOUNTAINS TO
MUNISING...WHERE 3.50 TO 4.50 INCHES OF RAIN WAS COMMON. AS MUCH AS
5.96 INCHES OF RAIN FELL OVER THE HIGHER TERRAIN OF THE HURON
MOUNTAINS AT HERMAN IN BARAGA COUNTY...CLOSE TO 140 PERCENT OF THE
TYPICAL JULY PRECIPITATION THERE. MANISTIQUE REPORTED THE LEAST RAIN
WITH 1.31 INCHES...ONLY 43 PERCENT OF THE NORMAL 3.04 INCHES. IN
GENERAL...THE FIRST HALF OF JULY WAS WETTER THAN THE SECOND HALF OF
THE MONTH.

THE MEAN DAILY TEMPERATURE ON MOST DAYS IN JULY RAN BELOW NORMAL.
THE COOLEST WEATHER OCCURRED WHEN THE UPPER TROUGH IN EASTERN NORTH
AMERICA WAS DEEPEST ON 7/8 INTO 7/10...7/14 INTO 7/17...AND AGAIN ON
7/27 INTO 7/28. MEAN DAILY TEMPERATURES ON THESE DAYS RAN FROM AS
MUCH AS 10 TO 15 DEGREES BELOW AVERAGE. AT LEAST ONE OF THE COLDER
INTERIOR LOCATIONS SAW THE MERCURY DIP INTO THE 30S IN THE EARLY
MORNING HOURS OF 7/3...7/4...7/10...7/16-7/17...7/24 AND 7/30.
READINGS WERE NO HIGHER THAN THE 50S AT SOME LOCATIONS ON 7/8...
7/14...7/15 AND 7/27. THE ONLY REAL SUMMER-LIKE WEATHER IN JULY
OCCURRED ON 7/20 INTO 7/22...WHEN AN UPPER RIDGE BUILT INTO THE
GREAT LAKES. A FEW LOCATIONS SAW THE MERCURY REACH 90 OR HIGHER ON
7/21...INCLUDING THE MONTHLY MAXIMUM OF 93 JUST INLAND FROM
ONTONAGON AND AT SOME LOCATIONS WEST OF BARAGA. 7/21 WAS THE ONLY
DAY WHEN ANY SPOT IN UPPER MICHIGAN REPORTED A HIGH TEMPERATURE AT
OR ABOVE 90 IN JULY 2014.

THE INTERACTION BETWEEN A WARM AND HUMID AIRMASS IN THE GREAT LAKES
AND AN UPPER DISTURBANCE MOVING ALONG THE CANADIAN BORDER BROUGHT
ROUNDS OF SHOWERS AND THUNDERSTORMS TO MOST OF UPPER MICHIGAN FROM
LATE ON 7/5 THROUGH 7/6. SOME OF THESE SHOWERS DROPPED TORRENTIAL
DOWNPOURS. AN INCH OR MORE OF RAIN WAS COMMON OVER MUCH OF THE
CENTRAL UPPER PENINSULA...WITH AS MUCH AS 1.85 INCHES INUNDATING A
LOCATION NEAR BIG BAY IN MARQUETTE COUNTY. ONE OF THE STRONGER
THUNDERSTORMS DOWNED TREES AT ISHPEMING IN MARQUETTE COUNTY IN THE
EVENING ON 7/6. SOME ADDITIONAL MODERATE HEAVY RAIN FELL FROM LATE
ON 7/7 INTO 7/8 AS A REINFORCING COLD FRONT SWEPT THROUGH THE UPPER
LAKES BEHIND THE DEPARTING STRONG DISTURBANCE THAT BROUGHT THE
ACTIVE WEATHER ON 7/6. PAULDING IN ONTONAGON COUNTY LED REPORTING
STATIONS WITH 2.04 INCHES OF RAIN ON 7/7 INTO 7/8. VERY COOL AIR
INVADED THE UPPER GREAT LAKES BEHIND THIS FRONTAL PASSAGE...AND MANY
LOCATIONS REPORTED HIGH TEMPERATURES ONLY IN THE 50S ON 7/8. SOME
PLACES OBSERVED NEW RECORD LOW MAXIMUM TEMPERATURES.

ANOTHER VERY COOL CANADIAN AIRMASS SPILLED INTO THE UPPER GREAT
LAKES ON 7/14 AND 7/15 AS AN UPPER TROUGH DEEPENED OVER THE AREA.
OVER THE WEST WHERE CLOUDS AND THE COOL AIR ARRIVED EARLIEST...THE
MERCURY NEVER ROSE OUT OF THE 50S ON 7/14. CLOUDS AND SOME SHOWERS
HELD HIGH TEMPERATURES IN THE 50S AT MANY PLACES ON 7/15...
ESTABLISHING NEW DAILY RECORD LOW MAXIMUMS AT A NUMBER OF LOCATIONS.
AT GRAND MARAIS IN ALGER COUNTY...THE THERMOMETER NEVER READ HIGHER
THAN 47 ON 7/15. ALTHOUGH RAINFALL WAS NOT EXCESSIVE...AS MUCH AS
0.91 INCH FELL AT HERMAN OVER THE HIGHER TERRAIN IN BARAGA COUNTY ON
7/14 INTO 7/15.

THE WARM AIRMASS THAT INVADED THE UPPER LAKES ON 7/20 AND LIFTED THE
MERCURY INTO THE 90S AT A FEW PLACES ON 7/21 WAS ALSO QUITE HUMID.
AS A POTENT DISTURBANCE MOVED INTO THE GREAT LAKES EARLY ON 7/22 AND
INTERACTED WITH THIS UNSTABLE AIR...SOME THUNDERSTORMS WITH HEAVY
RAIN AND DAMAGING WINDS OCCURRED MAINLY OVER THE NORTHERN TIER. THE
STRONGEST STORM DOWNED A NUMBER OF TREES NEAR BIG BAY IN MARQUETTE
COUNTY. AS MUCH AS 1.04 INCHES OF RAIN FELL AT PELKIE IN BARAGA
COUNTY NEAR THE HOUGHTON COUNTY LINE. THESE THUNDERSTORMS ALSO
CAUSED A SEICHE ON LAKE SUPERIOR THAT RESULTED IN LARGE FLUCTUATIONS
OF AS MUCH AS 3 FEET IN LAKE LEVEL AT AND AROUND MUNISING IN THE
MORNING ON 7/22. THESE WATER RISES RESULTED IN SOME MINOR FLOODING
THAT DAMAGED SOME DOCKS ON THE EAST SIDE OF MUNISING BAY.

THE PASSAGE OF TWO LOW PRESSURE SYSTEMS THROUGH THE UPPER LAKES
ASSOCIATED WITH THE DEEPENING UPPER TROUGH ACROSS EASTERN NORTH
AMERICA BROUGHT ANOTHER ROUND OF SOME LOCALLY HEAVY SHOWERS FROM
LATE ON 7/25 INTO 7/27...ESPECIALLY ACROSS THE EAST CENTRAL U.P.
GARDEN CORNERS IN DELTA COUNTY LOGGED 2.36 INCHES OF RAIN DURING
THIS TIME. A FEW PLACES NEAR THE CHILLY WATERS OF LAKE SUPERIOR EAST
OF MARQUETTE REPORTED HIGH TEMPERATURES IN THE 50S ON 7/27 AS VERY
COOL AIR FOLLOWED THE COLD FRONT ASSOCIATED WITH THE SECOND LOW.
GRAND MARAIS WAS THE COOL SPOT AGAIN WITH A MAXIMUM TEMPERATURE OF
55 ON 7/27.
---------------------------------------------------------------------
        ...TOP 5 COLDEST START TO THE YEAR AT MOST PLACES...

              ...JANUARY-JULY 2014 MEAN TEMPERATURE...

                                          /OR PREVIOUS/
              OBSERVED  NORMAL  DEPARTURE     RECORD       2014 RANK

MANISTIQUE      33.6     39.5     -5.9     35.1 /1994/ RECORD COLDEST

NEWBERRY        34.6     40.2     -5.6     36.1 /1920/ RECORD COLDEST

IRONWOOD        33.5     39.0     -5.5     33.5 /1996/ RECORD COLDEST

IRON MOUNTAIN   35.7     40.7     -5.0     36.7 /1996/ RECORD COLDEST

MARQUETTE NWS   33.8     38.5     -4.7     34.5 /1972/ RECORD COLDEST

MUNISING        33.5     39.3     -5.8     32.1 /1920/    3RD COLDEST

HOUGHTON        33.7     38.2     -4.5     32.3 /1888/    5TH COLDEST

MARQUETTE CITY  34.6     41.1     -6.5     32.8 /1885/    6TH COLDEST
---------------------------------------------------------------------
SOME OTHER TEMPERATURE AND PRECIPITATION OBSERVATIONS ACROSS UPPER
MICHIGAN IN JULY 2014 INCLUDE:

IRONWOOD...AVERAGE TEMPERATURE 62.9 (2.9 DEGREES BELOW NORMAL)
           PRECIPITATION 3.45 INCHES (0.65 INCH BELOW NORMAL)

WATERSMEET (GOGEBIC COUNTY)...PRECIPITATION 5.12 INCHES

ONTONAGON...AVERAGE TEMPERATURE 64.0 (3.1 DEGREES BELOW NORMAL)
 (6 MILES   PRECIPITATION 5.82 INCHES (2.54 INCHES ABOVE NORMAL)
  INLAND)

GREENLAND (ONTONAGON COUNTY)...AVERAGE TEMPERATURE 61.7 DEGREES
                               PRECIPITATION 3.82 INCHES

BERGLAND DAM (ONTONAGON COUNTY)...AVERAGE TEMPERATURE 62.3 DEGREES
                                  PRECIPITATION 3.89 INCHES

HOUGHTON COUNTY...AVERAGE TEMPERATURE 62.5 (2.3 DEGREES BELOW NORMAL)
 AIRPORT        PRECIPITATION 3.12 INCHES (0.63 INCH ABOVE NORMAL)

ATLANTIC MINE (HOUGHTON COUNTY)...PRECIPITATION 4.59 INCHES

MOHAWK (KEWEENAW COUNTY)...PRECIPITATION 3.29 INCHES

COPPER HARBOR...AVERAGE TEMPERATURE 61.8 DEGREES
                PRECIPITATION 2.80 INCHES

JACOBSVILLE (HOUGHTON COUNTY)...AVERAGE TEMPERATURE 61.5 DEGREES
                                PRECIPITATION 4.01 INCHES

BARAGA...AVERAGE TEMPERATURE 64.8 DEGREES
         PRECIPITATION 5.32 INCHES

WATTON (BARAGA COUNTY)...AVERAGE TEMPERATURE 60.2 DEGREES
                         PRECIPITATION 3.73 INCHES

HERMAN (BARAGA COUNTY)...AVERAGE TEMPERATURE 59.1 DEGREES
                         PRECIPITATION 5.96 INCHES

CLARKSBURG (MARQUETTE COUNTY)...AVERAGE TEMPERATURE 60.5 DEGREES
                                PRECIPITATION 4.21 INCHES

BIG BAY (MARQUETTE COUNTY)...AVERAGE TEMPERATURE 64.5 DEGREES
                             PRECIPITATION 3.62 INCHES

MARQUETTE CITY...AVERAGE TEMPERATURE 63.7 (2.9 DEGREES BELOW NORMAL)
                 PRECIPITATION 4.04 INCHES (1.22 INCHES ABOVE NORMAL)

HARVEY (MARQUETTE COUNTY)...AVERAGE TEMPERATURE 64.3 DEGREES
                            PRECIPITATION 3.48 INCHES

GWINN (MARQUETTE COUNTY)...PRECIPITATION 3.62 INCHES

CHATHAM (ALGER COUNTY)...AVERAGE TEMPERATURE 62.4 DEGREES
                         PRECIPITATION 4.27 INCHES

MUNISING...AVERAGE TEMPERATURE 61.0 (3.8 DEGREES BELOW NORMAL)
            PRECIPITATION 3.26 INCHES (0.01 INCH BELOW NORMAL)

NEWBERRY...AVERAGE TEMPERATURE 60.9 (4.7 DEGREES BELOW NORMAL)
           PRECIPITATION 1.87 INCHES (1.23 INCHES BELOW NORMAL)

STAMBAUGH (IRON COUNTY)...AVERAGE TEMPERATURE 59.0 DEGREES
                          PRECIPITATION 2.13 INCHES

AMASA (IRON COUNTY)...PRECIPITATION 2.44 INCHES

IRON MOUNTAIN...AVERAGE TEMPERATURE 65.0 (3.0 DEGREES BELOW NORMAL)
                PRECIPITATION 1.67 INCHES (1.78 INCHES BELOW NORMAL)

NORWAY (DICKINSON COUNTY)...AVERAGE TEMPERATURE 65.2 DEGREES
                            PRECIPITATION 2.30 INCHES

MENOMINEE...PRECIPITATION 1.49 INCHES

ESCANABA...AVERAGE TEMPERATURE 65.4 DEGREES
 (INLAND)  PRECIPITATION 3.36 INCHES

GLADSTONE (DELTA COUNTY)...PRECIPITATION 2.57 INCHES

GARDEN CORNERS (DELTA COUNTY)...AVERAGE TEMPERATURE 62.7 DEGREES
                                PRECIPITATION 3.29 INCHES

COOKS (SCHOOLCRAFT COUNTY)...PRECIPITATION 2.26 INCHES

MANISTIQUE...AVERAGE TEMPERATURE 60.0 (4.7 DEGREES BELOW NORMAL)
             PRECIPITATION 1.31 INCHES (1.73 INCHES BELOW NORMAL)

                        JULY WEATHER SUMMARY

MORE TO COME LATER.

                          AUGUST FORECAST

THE CLIMATE PREDICTION CENTER (CPC) IS FORECASTING A GREATER THAN
CLIMATOLOGICAL CHANCE OF A BELOW NORMAL MONTHLY MEAN TEMPERATURE BUT
EQUAL CHANCES OF ABOVE AND BELOW NORMAL MONTHLY PRECIPITATION OVER ALL
OF UPPER MICHIGAN IN AUGUST 2014.

                         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 CLIMATE PREDICTION CENTER (CPC) IS FORECASTING EQUAL CHANCES OF
AN ABOVE AND BELOW NORMAL 3-MONTH AVERAGE TEMPERATURE AND ABOVE AND
BELOW NORMAL 3-MONTH PRECIPITATION OVER ALL OF UPPER MICHIGAN IN
SEPTEMBER THROUGH NOVEMBER 2014.

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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