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Climatological Report (Seasonal)
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CXUS53 KGRR 031728
CLSJXN

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
1228 PM EST SAT MAR 3 2018

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

...THE JACKSON MI CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2017 TO 2/28/2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1944 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
HIGHEST            63   02/20        MM      MM       67  02/24
LOWEST            -11   01/06        MM      MM        0  12/19
                        01/05
                        12/28
AVG. MAXIMUM     34.1              33.2     0.9     38.1
AVG. MINIMUM     18.8              18.7     0.1     24.3
MEAN             26.4              26.0     0.4     31.2
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     43              42.2     0.8       28
DAYS MIN <= 32     76              80.1    -4.1       66
DAYS MIN <= 0      10               6.5     3.5        1

PRECIPITATION (INCHES)
TOTALS           5.74              4.65    1.09     5.82
DAILY AVG.       0.06              0.05    0.01     0.07
DAYS >= .01        28              34.8    -6.8       34
DAYS >= .10        10              12.9    -2.9       12
DAYS >= .50         1               1.8    -0.8        3
DAYS >= 1.00        1               0.2     0.8        1
GREATEST
 24 HR. TOTAL    2.65   02/20 TO 02/20
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM

DEGREE_DAYS
HEATING TOTAL    3462              3510     -48     3038
 SINCE 7/1       4704              4914    -210     4008
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0

FREEZE DATES
EARLIEST                        MM
LATEST                          MM
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.3
RESULTANT WIND SPEED/DIRECTION   5/216
HIGHEST WIND SPEED/DIRECTION    37/200    DATE  12/05
HIGHEST GUST SPEED/DIRECTION    48/180    DATE  12/05

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR           18
NUMBER OF DAYS PC             29
NUMBER OF DAYS CLOUDY         43

AVERAGE RH (PERCENT)     73

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       5
LIGHT RAIN               13     FREEZING RAIN              0
LT FREEZING RAIN          2     HAIL                       0
HEAVY SNOW                7     SNOW                      15
LIGHT SNOW               40     SLEET                      0
FOG                      56     FOG W/VIS <= 1/4 MILE     10
HAZE                     48

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

$$
National Weather Service National Headquarters
