Climatological Report (Seasonal) Issued by NWS
000
CXUS53 KGRR 011812 RRA
CLSJXN
WRKCLSJXN 000
TTAA00 GRR 011755
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
153 PM EDT WED SEP 01 2021
...................................
...THE JACKSON CLIMATE SUMMARY FOR THE SEASON, FROM
6/1/2021 TO 8/31/2021...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1944 TO 2021
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
HIGHEST 92 06/11 MM MM MM
LOWEST 40 06/22 MM MM MM
AVG. MAXIMUM 82.5 80.6 1.9 MM
AVG. MINIMUM 61.4 59.1 2.3 MM
MEAN 72.0 69.8 2.2 MM
DAYS MAX >= 90 4 7.0 -3.0 MM
DAYS MAX <= 32 0 0.0 0.0 MM
DAYS MIN <= 32 0 0.0 0.0 MM
DAYS MIN <= 0 0 0.0 0.0 MM
PRECIPITATION (INCHES)
TOTALS 12.87 10.74 2.13 MM
DAILY AVG. 0.14 0.12 0.02 MM
DAYS >= .01 38 29.8 8.2 MM
DAYS >= .10 23 19.7 3.3 MM
DAYS >= .50 9 7.5 1.5 MM
DAYS >= 1.00 2 2.7 -0.7 MM
GREATEST
24 HR. TOTAL 3.80 08/11 TO 08/12
STORM TOTAL 3.04 MM
(MM/DD(HH))
DEGREE DAYS
HEATING TOTAL 29 73 -44 MM
SINCE 7/1 2 23 -21 MM
COOLING TOTAL 692 519 173 MM
SINCE 1/1 756 564 192 MM
FREEZE DATES
EARLIEST MM
LATEST 05/14
................................................................
WIND (MPH)
AVERAGE WIND SPEED 5.6
RESULTANT WIND SPEED/DIRECTION 2/210
HIGHEST WIND SPEED/DIRECTION 30/190 DATE 06/11
HIGHEST GUST SPEED/DIRECTION 50/180 DATE 08/12
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.33
NUMBER OF DAYS FAIR 55
NUMBER OF DAYS PC 27
NUMBER OF DAYS CLOUDY 10
AVERAGE RH (PERCENT) 70
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 25 MIXED PRECIP 0
HEAVY RAIN 18 RAIN 19
LIGHT RAIN 39 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 69 FOG W/VIS <= 1/4 MILE 16
HAZE 26
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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