Climatological Report (Seasonal) Issued by NWS
560
CXUS53 KGRR 011653
CLSAZO
WRKCLSAZO 000
TTAA00 GRR 011636
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
1124 AM EST MON MAR 01 2021
...................................
...THE KALAMAZOO CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2020 TO 2/28/2021...
CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1887 TO 2021
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 71 02/11/1999
LOW -22 02/05/1918
02/10/1912
HIGHEST 59 02/28 MM MM MM
LOWEST -10 02/17 MM MM MM
AVG. MAXIMUM 34.3 33.3 1.0 MM
AVG. MINIMUM 21.4 20.2 1.2 MM
MEAN 27.9 26.7 1.2 MM
DAYS MAX >= 90 0 0.0 0.0 MM
DAYS MAX <= 32 36 43.0 -7.0 MM
DAYS MIN <= 32 82 77.5 4.5 MM
DAYS MIN <= 0 2 3.6 -1.6 MM
PRECIPITATION (INCHES)
RECORD
MAXIMUM 11.57 1985
TOTALS 3.35 5.22 -1.87 MM
DAILY AVG. 0.04 0.06 -0.02 MM
DAYS >= .01 30 MM MM MM
DAYS >= .10 9 MM MM MM
DAYS >= .50 2 MM MM MM
DAYS >= 1.00 1 MM MM MM
GREATEST
24 HR. TOTAL 1.24 12/11 TO 12/12
STORM TOTAL MM MM
(MM/DD(HH))
DEGREE DAYS
HEATING TOTAL 3300 3446 -146 MM
SINCE 7/1 4500 4774 -274 MM
COOLING TOTAL 0 0 0 MM
SINCE 1/1 0 0 0 MM
FREEZE DATES
EARLIEST 10/16
LATEST 05/12
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WIND (MPH)
AVERAGE WIND SPEED 7.9
RESULTANT WIND SPEED/DIRECTION 3/260
HIGHEST WIND SPEED/DIRECTION 31/240 DATE 02/05
HIGHEST GUST SPEED/DIRECTION 43/260 DATE 02/05
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.68
NUMBER OF DAYS FAIR 18
NUMBER OF DAYS PC 23
NUMBER OF DAYS CLOUDY 49
AVERAGE RH (PERCENT) 70
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 3
LIGHT RAIN 18 FREEZING RAIN 2
LT FREEZING RAIN 5 HAIL 0
HEAVY SNOW 2 SNOW 10
LIGHT SNOW 41 SLEET 0
FOG 49 FOG W/VIS <= 1/4 MILE 8
HAZE 53
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$