Climatological Report (Monthly)
Issued by NWS Marquette, MI

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CXUS53 KMQT 030325
CLMMQT

CLIMATE REPORT...PRELIMINARY
NATIONAL WEATHER SERVICE MARQUETTE MI
1125 PM EDT SUN JUN 2 2013

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

...THE MARQUETTE MI CLIMATE SUMMARY FOR THE MONTH OF MAY 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1961 TO 2013

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              95   05/28/1969
 LOW               17   05/09/1983
HIGHEST            86   05/30        62      24       88  05/19
LOWEST             25   05/13        39     -14       31  05/31
                                                          05/10
AVG. MAXIMUM     59.2              61.8    -2.6     67.8
AVG. MINIMUM     38.0              39.9    -1.9     42.7
MEAN             48.6              50.9    -2.3     55.3
DAYS MAX >= 90      0               0.1    -0.1        0
DAYS MAX <= 32      0               0.1    -0.1        0
DAYS MIN <= 32     11               6.8     4.2        2
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         7.91   1973
 MINIMUM         0.06   1986
TOTALS           3.74              3.05    0.69     2.62
DAILY AVG.       0.12              0.10    0.02     0.08
DAYS >= .01        12              11.5     0.5       15
DAYS >= .10         9               6.4     2.6        7
DAYS >= .50         3               1.6     1.4        2
DAYS >= 1.00        0               0.6    -0.6        0
GREATEST
 24 HR. TOTAL    0.97   05/02 TO 05/03

SNOWFALL (INCHES)
RECORDS
 TOTAL           22.6   1990
TOTALS            4.5               1.5     3.0      0.0
SINCE 7/1       214.7             203.3    11.4    152.8
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= 1.0         3               0.3     2.7        0
GREATEST
 SNOW DEPTH         3   05/01                          0  MM
 24 HR TOTAL      2.9   05/11 TO 05/12

DEGREE_DAYS
HEATING TOTAL     512               450      62      315
 SINCE 7/1       9143              9152      -9     7648
COOLING TOTAL      13                11       2       23
 SINCE 1/1         13                12       1       27
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              MM
HIGHEST WIND SPEED/DIRECTION    MM        DATE   MM
HIGHEST GUST SPEED/DIRECTION    40/225    DATE  05/30

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                1     RAIN                       1
LIGHT RAIN               12     FREEZING RAIN              0
LT FREEZING RAIN          2     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                5     SLEET                      3
FOG                       7     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.

&&

...MAY 2013 MONTHLY CLIMATE SUMMARY FOR UPPER MICHIGAN...
(THIS DISCUSSION DOES NOT INCLUDE CHIPPEWA AND MACKINAC COUNTIES)

...WET WITH ABOVE NORMAL SNOWFALL ESPECIALLY OVER THE WEST...

...SECOND HIGHEST MAY PRECIPITATION AT IRONWOOD...
...SEVENTH HIGHEST MAY PRECIPITATION AT ONTONAGON...

...SECOND HIGHEST MAY SNOWFALL AT ONTONAGON...
...THIRD HIGHEST MAY SNOWFALL AT IRONWOOD AND NEWBERRY...
...SIXTH HIGHEST MAY SNOWFALL AT THE MARQUETTE NWS...
...TENTH HIGHEST MAY SNOWFALL AT HOUGHTON...

...COOL AGAIN AT MOST PLACES...

MAY CLIMATE STATISTICS FOR THE MARQUETTE NWS IN NEGAUNEE TOWNSHIP

                                    NORMAL   DEPARTURE
AVERAGE TEMPERATURE         48.6     50.9  MINUS    2.3
AVERAGE HIGH TEMPERATURE    59.2     61.8  MINUS    2.6
AVERAGE LOW TEMPERATURE     38.0     39.9  MINUS    1.9
HEATING DEGREE DAYS          512      450   PLUS     62
COOLING DEGREE DAYS           13       11   PLUS      2
TOTAL PRECIPITATION         3.74     3.05   PLUS   0.69
TOTAL SNOWFALL               4.5      1.5   PLUS    3.0

HIGHEST TEMPERATURE:                    86 ON 5/30
LOWEST TEMPERATURE:                     25 ON 5/13
GREATEST CALENDAR DAY PRECIPITATION:  0.89 ON 5/2
GREATEST 24 HOUR PRECIPITATION:       0.97 ON 5/2-5/3
GREATEST CALENDAR DAY SNOWFALL:        1.7 ON 5/11
GREATEST 24 HOUR SNOWFALL:             2.9 ON 5/11-5/12
PEAK WIND SPEED: 40 MPH FROM THE SOUTHWEST ON 5/30
MAXIMUM SNOW DEPTH:                      3 ON 5/1

DAILY RECORD LOW MAXIMUM TEMPERATURE ON 5/3...33 (OLD RECORD
                                                  35...1973)
DAILY RECORD SNOWFALL TIED ON 5/11...1.7 (1.7...1967)
DAILY RECORD LOW MINIMUM TEMPERATURE TIED ON 5/13...25 (25...1966)
DAILY RECORD SNOWFALL TIED ON 5/23...TRACE (TRACE...1992)
DAILY RECORD LOW MINIMUM TEMPERATURE ON 5/24...29 (30...1963/2002)
---------------------------------------------------------------------
GREAT LAKES WATER LEVELS (FEET/METERS ABOVE MEAN SEA LEVEL)

                            LAKE SUPERIOR  LAKE MICHIGAN-HURON
5/01/13 DAILY MEAN          600.38/183.00     577.05/175.88
5/30/13 DAILY MEAN          601.08/182.97     577.44/176.00
AVG APR 2013 DAILY MEAN     600.13/182.92     576.60/175.75
AVG MAY 2012 DAILY MEAN     600.59/183.06     577.60/176.05
LONG TERM MAY DAILY MEAN    601.60/183.36     579.00/176.48
MAXIMUM MAY DAILY MEAN      602.80/183.74     581.60/177.28
                                (1986)           (1986)
MINIMUM MAY DAILY MEAN      599.60/182.76     576.60/175.74
                                (1926)           (1964)

...GREAT LAKES WATER LEVELS CONTINUE TO REBOUND IN MAY...

THANKS TO SOME HEAVY LATE WINTER AND SPRING PRECIPITATION AND SNOW
MELT IN THE LAKE SUPERIOR DRAINAGE BASIN...THE WATER LEVEL ON
SUPERIOR ROSE 8 TO 9 INCHES DURING MAY 2013. BUT SINCE INCREASED
EVAPORATION DUE TO RELATIVELY WARM LAKE WATERS AND A LACK OF
SIGNIFICANT WINTER ICE HAS RESULTED IN WELL BELOW NORMAL GREAT LAKES
WATER LEVELS FOR THE PAST SEVERAL YEARS...THE LAKE SUPERIOR WATER
LEVEL ON 5/30 WAS STILL 6 INCHES BELOW THE LONG TERM AVERAGE. AFTER
A SIMILARLY DRAMATIC WATER LEVEL RISE IN APRIL DUE TO HEAVY
PRECIPITATION AS WELL AS EARLIER SNOW MELT AND RUNOFF FARTHER
SOUTH...LAKES MICHIGAN/HURON ROSE 4 TO 5 INCHES IN MAY. SINCE THE
WATER LEVEL DEFICIT ON THESE LAKES WAS UP TO 30 INCHES EARLIER
THIS YEAR...THE LAKE LEVELS ON MICHIGAN/HURON REMAINED 18 TO 19
INCHES BELOW NORMAL ON 5/30.

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).
---------------------------------------------------------------------
                        MAY CLIMATE HIGHLIGHTS

HIGHEST REPORTED TEMPERATURE...88 AT A SPOT 5 MILES WEST OF BARAGA
                                AND AT PELKIE IN BARAGA COUNTY
                                ON 5/30

LOWEST REPORTED TEMPERATURE...17 AT STAMBAUGH IN IRON COUNTY AND
                               KENTON IN HOUGHTON COUNTY ON 5/13

HIGHEST AVERAGE TEMPERATURE...53.8 DEGREES AT NORWAY IN DICKINSON
                               COUNTY AND ESCANABA

LOWEST AVERAGE TEMPERATURE...44.6 DEGREES AT JACOBSVILLE IN HOUGHTON
                              COUNTY

HIGHEST MONTHLY PRECIPITATION...7.14 INCHES AT IRONWOOD

LOWEST MONTHLY PRECIPITATION...1.75 INCHES AT GLADSTONE IN DELTA COUNTY
                                AND DAGGETT IN MENOMINEE COUNTY

HIGHEST MONTHLY SNOWFALL...15.1 INCHES AT IRONWOOD

GREATEST SNOW DEPTH...12 INCHES AT IRONWOOD ON 5/3 AND 5/4

MORE TO COME LATER.
---------------------------------------------------------------------
SOME OTHER TEMPERATURE AND PRECIPITATION OBSERVATIONS ACROSS UPPER
MICHIGAN IN MAY 2013 INCLUDE:

IRONWOOD...AVERAGE TEMPERATURE 50.1 (1.8 DEGREES BELOW NORMAL)
           PRECIPITATION 7.14 INCHES (4.01 INCHES ABOVE NORMAL)
           SNOWFALL 15.1 INCHES (13.2 INCHES ABOVE NORMAL)

ONTONAGON...AVERAGE TEMPERATURE 52.0 (1.5 DEGREES BELOW NORMAL)
 (6 MILES   PRECIPITATION 4.09 INCHES (1.12 INCHES ABOVE NORMAL)
  INLAND)   SNOWFALL 8.5 INCHES (7.5 INCHES ABOVE NORMAL)

GREENLAND (ONTONAGON COUNTY)...AVERAGE TEMPERATURE 49.7 DEGREES
                               PRECIPITATION 4.60 INCHES
                               SNOWFALL 3.4 INCHES

BERGLAND DAM (ONTONAGON COUNTY)...PRECIPITATION 5.62 INCHES
                                  SNOWFALL 6.5 INCHES

TWIN LAKES (HOUGHTON COUNTY)...PRECIPITATION 4.04 INCHES
                               SNOWFALL 5.5 INCHES

HOUGHTON COUNTY...AVERAGE TEMPERATURE 47.3 (2.9 DEGREES BELOW NORMAL)
 AIRPORT          PRECIPITATION 3.90 INCHES (1.40 INCHES ABOVE NORMAL)
                  SNOWFALL 3.8 INCHES (2.8 INCHES ABOVE NORMAL)

ATLANTIC MINE (HOUGHTON COUNTY)...PRECIPITATION 3.39 INCHES
                                  SNOWFALL 5.0 INCHES


MOHAWK (KEWEENAW COUNTY)...PRECIPITATION 3.20 INCHES
                           SNOWFALL 2.3 INCHES

COPPER HARBOR...AVERAGE TEMPERATURE 45.4 DEGREES
                PRECIPITATION 2.88 INCHES

JACOBSVILLE (HOUGHTON COUNTY)...AVERAGE TEMPERATURE 44.6 DEGREES
                                PRECIPITATION 3.06 INCHES
                                SNOWFALL 0.6 INCH

BARAGA...AVERAGE TEMPERATURE 47.9 DEGREES
         PRECIPITATION 3.50 INCHES
         SNOWFALL 1.5 INCHES

WATTON (BARAGA COUNTY)...AVERAGE TEMPERATURE 48.8 DEGREES
                         PRECIPITATION 3.78 INCHES
                         SNOWFALL 3.0 INCHES

CLARKSBURG (MARQUETTE COUNTY)...AVERAGE TEMPERATURE 48.6 DEGREES
                                PRECIPITATION 3.32 INCHES
                                SNOWFALL 2.2 INCHES

MARQUETTE CITY...AVERAGE TEMPERATURE 46.5 (4.5 DEGREES BELOW NORMAL)
                 PRECIPITATION 2.49 INCHES (0.04 INCH BELOW NORMAL)
                 SNOWFALL 0.0 INCHES (0.6 INCH BELOW NORMAL)

CHATHAM (ALGER COUNTY)...AVERAGE TEMPERATURE 49.9 DEGREES
                         PRECIPITATION 2.20 INCHES
                         SNOWFALL 3.0 INCHES

MUNISING...AVERAGE TEMPERATURE 47.3 (2.7 DEGREES BELOW NORMAL)
           PRECIPITATION 2.78 INCHES (0.15 INCH BELOW NORMAL)
           SNOWFALL 1.2 INCHES (0.9 INCH ABOVE NORMAL)

NEWBERRY...AVERAGE TEMPERATURE 52.3 (0.7 DEGREE ABOVE NORMAL)
           PRECIPITATION 2.60 INCHES (0.01 INCH BELOW NORMAL)
           SNOWFALL 2.3 INCHES (2.2 INCHES ABOVE NORMAL)

STAMBAUGH (IRON COUNTY)...AVERAGE TEMPERATURE 51.1 DEGREES
                          PRECIPITATION 3.03 INCHES
                          SNOWFALL 0.8 INCH

AMASA (IRON COUNTY)...PRECIPITATION 2.64 INCHES
                      SNOWFALL 2.5 INCHES

NORWAY (DICKINSON COUNTY)...AVERAGE TEMPERATURE 53.8 DEGREES
                            PRECIPITATION 3.01 INCHES
                            SNOWFALL 0.4 INCH

DAGGETT (MENOMINEE COUNTY)...PRECIPITATION 1.75 INCHES
                             SNOWFALL 0.0 INCH

MENOMINEE...PRECIPITATION 1.97 INCHES
            SNOWFALL 0.0 INCH

ESCANABA...AVERAGE TEMPERATURE 53.8 DEGREES
           PRECIPITATION 2.02 INCHES
           SNOWFALL 0.0 INCH

GLADSTONE (DELTA COUNTY)...PRECIPITATION 1.75 INCHES
                           SNOWFALL 0.1 INCH

GARDEN CORNERS (DELTA COUNTY)...AVERAGE TEMPERATURE 51.5 DEGREES
                                PRECIPITATION 3.10 INCHES
                                SNOWFALL TRACE

COOKS (SCHOOLCRAFT COUNTY)...PRECIPITATION 3.10 INCHES
                             SNOWFALL 0.0 INCH

MANISTIQUE...AVERAGE TEMPERATURE 49.3 (NORMAL)
             PRECIPITATION 3.10 INCHES (0.37 INCH ABOVE NORMAL)
             SNOWFALL 0.0 INCH (NORMAL)

                         MAY WEATHER SUMMARY

MORE TO COME LATER.

                           JUNE FORECAST

THE CLIMATE PREDICTION CENTER (CPC) IS FORECASTING AN EQUAL CHANCE
OF AN ABOVE AND BELOW NORMAL MONTHLY MEAN TEMPERATURE AND ABOVE AND
BELOW NORMAL MONTHLY PRECIPITATION OVER ALL OF UPPER MICHIGAN IN JUNE
2013.

                          JUNE CLIMATOLOGY

AVERAGE TEMPERATURES CONTINUE TO RISE DURING JUNE AS DAILY POSSIBLE
SUNSHINE PEAKS AT 950 MINUTES AROUND THE SUMMER SOLSTICE...WHICH
OCCURS THIS YEAR AT 1:04 AM EDT ON 6/20. AT THE MARQUETTE NWS...THE
AVERAGE TEMPERATURE OF 56 ON 6/1 INCREASES TO 64 BY 6/30. THE JUNE
AVERAGE TEMPERATURE AT MOST PLACES OVER UPPER MICHIGAN IS ABOUT NINE
DEGREES HIGHER THAN IN MAY. AN INCREASE IN CONVECTIVE ACTIVITY FROM
MAY TO JUNE ALSO PUSHES AVERAGE MONTHLY PRECIPITATION UP AT MOST
LOCATIONS. SLOW MOVING THUNDERSTORMS CAN DROP TORRENTIAL RAIN...AND
12.26 INCHES OF RAIN DELUGED THE MARQUETTE NWS IN JUNE 1968. THE
HIGHEST RECORD DAILY RAINFALL AMOUNT AT ALL STATIONS IN JUNE EXCEEDS
TWO INCHES.

EVEN THOUGH AVERAGE TEMPERATURES THROUGH THE MONTH SHOW A STEADY
WARMING TREND...FROST REMAINS A THREAT EVEN LATE IN JUNE. THE LATEST
OCCURRENCE OF FREEZING TEMPERATURES AT THE MARQUETTE NWS IS 6/22...
AND AS LATE AS 6/26 AT NEWBERRY. SHELTERED COLD SPOTS IN THE
INTERIOR CAN HAVE FROST THROUGH 6/30. ALTHOUGH ACCUMULATING SNOW IS
RARE...IT CAN OCCUR EARLY IN THE MONTH. ON 6/2/98...HIGHER TERRAIN
AREAS IN NORTH CENTRAL UPPER MICHIGAN RECORDED A SLUSHY INCH OF
SNOW.

THE COOLEST JUNE IN RECENT MEMORY WAS IN 2004...WHEN TEMPERATURES
AVERAGED 2 TO 4 DEGREES BELOW NORMAL. BUT JUNE 1982 SAW EVEN LOWER
TEMPERATURES...ABOUT SIX OR SEVEN DEGREES BELOW NORMAL. IN FACT...
JUNE 1982 IS THE COOLEST SIXTH MONTH ON RECORD AT MUNISING (MONTHLY
AVERAGE TEMPERATURE 52.9)...IRONWOOD (54.4)...MARQUETTE CITY
(54.4)...AND ONTONAGON (56.2). JUNE 1982 LANDED IN THE LIST OF TOP
TEN COOLEST AT MOST LOCATIONS.

ALTHOUGH EARLY SPRING CHILL CAN OCCUR IN JUNE...BLISTERING SUMMER
HOT SPELLS ARE ALSO POSSIBLE. RECORD HIGH TEMPERATURES AT ALL
REPORTING STATIONS ARE BETWEEN 94 AND 100. AT ALMOST EVERY
LOCATION...JUNE 2005 IS AMONG THE TOP TEN WARMEST ON RECORD. A
SWELTERING HEAT WAVE WITH DAYTIME HIGHS IN THE 90S AWAY FROM THE
COOLING INFLUENCE OF THE GREAT LAKES DURING PART OF THE FOURTH WEEK
OF THAT MONTH PUSHED AVERAGE MONTHLY TEMPERATURES 3 TO 6 DEGREES
ABOVE NORMAL. AT ONTONAGON (67.9) AND MANISTIQUE (64.0)...JUNE 2005
IS THE WARMEST ON RECORD. JUNE 1995 WAS ALSO VERY WARM...WITH MEAN
TEMPERATURES AVERAGING AS MUCH AS 6 TO 7 DEGREES ABOVE NORMAL. IN
FACT...THAT JUNE IS THE WARMEST ON RECORD AT THE MARQUETTE NWS
(66.3)...THE HOUGHTON COUNTY AIRPORT (66.1)...AND MUNISING (65.1).
ONLY AT IRONWOOD DID JUNE 1995 NOT END UP IN THE TOP TEN WARMEST. A
TORRID HEATWAVE AROUND MID MONTH PUSHED THE MERCURY UP TO THE
CENTURY MARK AT IRON MOUNTAIN ON 6/19/95. THE 78.6-DEGREE AVERAGE
TEMPERATURE AT IRON MOUNTAIN BETWEEN 6/18 AND 6/25 IN 1995 PUTS THAT
EIGHT-DAY STRETCH IN THE RECORD BOOK AS THE WARMEST WEEK IN JUNE
EVER OBSERVED THERE. THE HIGH TEMPERATURE EXCEEDED 90 ON SEVEN OF
THOSE EIGHT DAYS.

                  OUTLOOK FOR SUMMER INTO EARLY FALL

THE CLIMATE PREDICTION CENTER (CPC) IS FORECASTING A GREATER THAN
CLIMATOLOGICAL CHANCE OF AN ABOVE NORMAL 3-MONTH AVERAGE TEMPERATURE
BUT EQUAL CHANCES OF ABOVE AND BELOW NORMAL 3-MONTH PRECIPITATION
OVER ALL OF UPPER MICHIGAN IN JULY THROUGH SEPTEMBER 2013.

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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