Climatological Report (Monthly)
Issued by NWS

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000
CXUS53 KGRR 011937
CLMJXN

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
231 PM EST SUN MAR 1 2015...CORRECTED FOR NARRATIVE INFORMATION

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

...THE JACKSON MI CLIMATE SUMMARY FOR THE MONTH OF FEBRUARY 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1944 TO 9999

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
HIGHEST            42   02/08        MM      MM       47  02/20
                        02/07
LOWEST            -19   02/20        MM      MM      -11  02/28
AVG. MAXIMUM     21.8              34.3   -12.5     25.8
AVG. MINIMUM      0.4              18.3   -17.9      8.2
MEAN             11.1              26.3   -15.2     17.0
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     26              12.0    14.0       22
DAYS MIN <= 32     28              25.3     2.7       28
DAYS MIN <= 0      13               1.9    11.1        7

PRECIPITATION (INCHES)
TOTALS           1.01              1.29   -0.28     2.38
DAILY AVG.       0.04              0.05   -0.01     0.09
DAYS >= .01         7               9.7    -2.7       10
DAYS >= .10         1               3.6    -2.6        3
DAYS >= .50         1               0.5     0.5        2
DAYS >= 1.00        0               0.0     0.0        1
GREATEST
 24 HR. TOTAL    0.86   02/01 TO 02/01           02/20 TO 02/20

DEGREE_DAYS
HEATING TOTAL    1502              1083     419     1337
 SINCE 7/1       5504              4914     590     5564
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0
.................................................

WIND (MPH)
AVERAGE WIND SPEED              7.8
RESULTANT WIND SPEED/DIRECTION   3/269
HIGHEST WIND SPEED/DIRECTION    28/240    DATE  02/24
HIGHEST GUST SPEED/DIRECTION    41/250    DATE  02/24

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           11
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY          6

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                0     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                4     SNOW                       6
LIGHT SNOW               17     SLEET                      0
FOG                      22     FOG W/VIS <= 1/4 MILE      4
HAZE                     24

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

&&

THE MONTH STARTED OUT ACTIVE... WITH WINTER STORMS DEPOSITING
MEASURABLE SNOW ON THE 1ST THROUGH THE 4TH AND TEMPERATURES BELOW
AVERAGE. TEMPERATURES THEN WARMED CLOSER TO NORMAL FOR UNDER A WEEK
WITH ZERO OR TRACE AMOUNTS OF PRECIPITATION RECORDED FROM THE 5TH
THROUGH THE 10TH. TEMPERATURES THEN FELL MUCH BELOW NORMAL FOR MOST
OF THE REMAINDER OF THE MONTH... AND ACTIVE WEATHER DOMINATED. SNOW
FALL WAS RECORDED ON MOST DAYS THROUGH THE END OF THE MONTH.

THE AVERAGE TEMPERATURE FOR GRAND RAPIDS IN FEBRUARY WAS 13.3
DEGREES. THIS WAS THE COLDEST FEBRUARY ON RECORD. THE PREVIOUS
RECORD WAS 14.3 DEGREES FROM 1978. LANSING WITH A VALUE OF 11.4
DEGREES EXPERIENCED ITS 4TH COLDEST FEBRUARY ON RECORD. MUSKEGAN
HAD ITS 6TH COLDEST FEBRUARY WITH 15.9 DEGREES. MANY DAILY RECORD
TEMPERATURES WERE ALSO SET IN FEBRUARY 2015.

PRECIPITATION TOTALS VARIED FROM HALF AN INCH UP TO 2 INCHES FOR
FEBRUARY 2015. THE HIGHEST AMOUNTS WERE IN FAR SOUTHWEST LOWER
MICHIGAN WITH VALUES FALLING OFF TO THE NORTHEAST. THE SOUTHWEST SAW
CLOSE TO NORMAL PRECIPITATION WITH VALUES ONLY ABOUT HALF OF NORMAL
LEVELS RECORDED IN THE NORTHEAST.

SNOWFALL IN FEBRUARY 2015 RANGED FROM 20 TO 30 INCHES ACROSS THE
WESTERN THIRD OF LOWER MICHIGAN WITH 15 TO 20 INCHES ACROSS
SOUTHEAST LOWER MICHIGAN. LESSER AMOUNTS FELL IN NORTHEAST LOWER.
SOUTHERN LOWER MICHIGAN ENDED UP WITH CLOSE TO TWICE THEIR NORMAL
SNOWFALL WITH TOTALS CLOSE TO NORMAL ACROSS NORTHERN LOWER MICHIGAN.

$$

JAM
63








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