National Weather Service Weather Forecast Office

...JANUARY-MAY CLIMATE STATISTICS FOR UPPER MICHIGAN...

...A WARM AND DRY FIRST FIVE MONTHS OF 2010...

WITH AN UPPER RIDGE REINFORCED BY THE EL NINO INFLUENCE DOMINATING
THE WEATHER ACROSS UPPER MICHIGAN IN JANUARY THROUGH MAY 2010...
THIS 5-MONTH PERIOD WILL GO DOWN IN THE RECORD BOOKS AS ONE OF THE
TOP 5 WARMEST...DRIEST...AND LEAST SNOWY EVER OBSERVED AT MANY
PLACES IN UPPER MICHIGAN. ALTHOUGH THE EL NINO INFLUENCE TENDED TO
WANE LATER IN THE SPRING...A DEEP UPPER TROUGH OVER THE WESTERN
UNITED STATES TENDED TO STRENGTHEN THE RIDGE AND THE WARM...DRY
WEATHER PATTERN ACROSS THE UPPER GREAT LAKES IN MAY. THE 5-MONTH
PRECIPITATION AND SNOWFALL ANOMALIES WERE NOT AS PRONOUNCED IN THE
NORTH WIND SNOW BELTS OVER FAR WESTERN AND NORTH CENTRAL UPPER
MICHIGAN BECAUSE THESE LOCATIONS SAW SOME HEAVY LAKE EFFECT SNOWS IN
JANUARY AND FEBRUARY.

                    JANUARY-MAY AVERAGE TEMPERATURE

                    OBSERVED NORMAL DEPARTURE     RECORD       RANK
                                             (OR PREVIOUS)

MUNISING              35.5    30.9    +4.6    35.1 (2006)    RECORD
                                                            WARMEST

MARQUETTE NWS         34.7    28.4    +6.3    34.0 (1987)    RECORD
                                                            WARMEST

MARQUETTE CITY        36.9    31.9    +5.0    38.1 (1878)       2ND
                                                            WARMEST

NEWBERRY              36.3    30.2    +6.1    36.5 (1998)       2ND
                                                            WARMEST

IRON MOUNTAIN         36.2    30.8    +5.4    36.7 (1998)       2ND
                                                            WARMEST

MANISTIQUE            34.9    29.9    +5.0    35.4 (1998)       2ND
                                                            WARMEST

ONTONAGON             36.8    31.8    +5.0    38.1 (1987)       3RD
 6 MILES INLAND                                             WARMEST

HOUGHTON              34.8    29.3    +5.5    36.1 (1998)       3RD
                                                            WARMEST

IRONWOOD              33.3    28.3    +5.0    35.2 (1987)       4TH
                                                            WARMEST


                       JANUARY-MAY PRECIPITATION

                    OBSERVED NORMAL DEPARTURE     RECORD       RANK
                                             (OR PREVIOUS)

IRON MOUNTAIN         3.38    9.36   -5.98    4.12 (1925)    RECORD
                                                             DRIEST

MANISTIQUE            4.01    8.49   -4.48    6.64 (1958/61) RECORD
                                                             DRIEST

NEWBERRY              4.46   11.13   -6.67    6.84 (1984)    RECORD
                                                             DRIEST

ONTONAGON             7.07   11.33   -4.26    7.47 (1992)    RECORD
 6 MILES INLAND                                              DRIEST

HOUGHTON              5.79   13.22   -7.43    5.66 (1925)       2ND
                                                             DRIEST

MARQUETTE CITY        5.20   10.73   -5.53    3.28 (1877)       3RD
                                                             DRIEST

MUNISING              7.92   11.46   -3.54    5.77 (1925)       3RD
                                                             DRIEST

MARQUETTE NWS         8.32   13.43   -5.11    7.31 (1966)       4TH
                                                             DRIEST

IRONWOOD              7.41   10.51   -3.10    5.24 (1902)       5TH
                                                             DRIEST

                          JANUARY-MAY SNOWFALL

                    OBSERVED NORMAL DEPARTURE     RECORD       RANK
                                             (OR PREVIOUS)

IRON MOUNTAIN         11.0    42.3   -31.3    14.5 (1921)    RECORD
                                                             LOWEST
                                                           SNOWFALL

MANISTIQUE            12.7    ----    ----    16.1 (1949)    RECORD
                                                             LOWEST
                                                           SNOWFALL

HOUGHTON              55.7   137.3   -81.6    70.2 (1998)    RECORD
                                                             LOWEST
                                                           SNOWFALL

ONTONAGON             75.0   105.5   -30.5    50.5 (1998)       3RD
 6 MILES INLAND                                              LOWEST
                                                           SNOWFALL

NEWBERRY              39.5    77.2   -37.7    29.6 (1973)       5TH
                                                             LOWEST
                                                           SNOWFALL

MARQUETTE CITY        47.2    80.6   -33.4    27.8 (1941)      14TH
                                                             LOWEST
                                                           SNOWFALL

MUNISING              73.7    83.9   -16.1    49.0 (1973)      14TH
                                                             LOWEST
                                                           SNOWFALL

MARQUETTE NWS        105.8   117.6   -11.8    41.0 (1963)      19TH
                                                             LOWEST
                                                           SNOWFALL

IRONWOOD             101.5   105.3    -3.8    20.2 (1902)      ****

**** RANK NOT IN TOP 25

THIRTY YEAR NORMALS USED ARE FOR THE PERIOD OF 1971 THROUGH 2000.
NOTE ALL TEMPERATURES ARE IN FAHRENHEIT AND PRECIPITATION IS IN
INCHES. SEE ARBCLMMQT (CXUS53 KMQT) FOR FURTHER DETAILS ON UPPER
MICHIGAN CLIMATE. ALL CLIMATE DATA LISTED IN THIS PRODUCT ARE
UNOFFICIAL. FOR OFFICIAL DATA...PLEASE REFER TO THE NATIONAL
CLIMATIC DATA CENTER.

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.