Climatological Report (Monthly)
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CXUS53 KGRR 011650
CLMAZO


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
1143 AM EST MON JAN 1 2018

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

...THE KALAMAZOO MI CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
HIGHEST            61   12/04        MM      MM       53  12/26
LOWEST            -11   12/31        MM      MM       -1  12/19
AVG. MAXIMUM     33.1              34.8    -1.7     32.7
AVG. MINIMUM     18.7              22.7    -4.0     22.3
MEAN             25.9              28.7    -2.8     27.5
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     17              13.5     3.5       12
DAYS MIN <= 32     28              25.3     2.7       25
DAYS MIN <= 0       5               0.6     4.4        1

PRECIPITATION (INCHES)
TOTALS           0.69              1.98   -1.29     1.05
DAILY AVG.       0.02              0.06   -0.04     0.04
DAYS >= .01        11                MM      MM       15
DAYS >= .10         3                MM      MM        4
DAYS >= .50         0                MM      MM        0
DAYS >= 1.00        0                MM      MM        0
GREATEST
 24 HR. TOTAL    0.16   12/13 TO 12/13

DEGREE_DAYS
HEATING TOTAL    1200              1124      76     1153
 SINCE 7/1       2363              2451     -88     2053
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        768               675      93      912
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.6
RESULTANT WIND SPEED/DIRECTION   4/239
HIGHEST WIND SPEED/DIRECTION    37/260    DATE  12/05
HIGHEST GUST SPEED/DIRECTION    50/260    DATE  12/05

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR            6
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY         15

AVERAGE RH (PERCENT)     73

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       2
LIGHT RAIN                4     FREEZING RAIN              0
LT FREEZING RAIN          2     HAIL                       0
HEAVY SNOW                4     SNOW                       7
LIGHT SNOW               18     SLEET                      0
FOG                      24     FOG W/VIS <= 1/4 MILE      9
HAZE                     18

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

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