Climatological Report (Monthly) Issued by NWS
000
CXUS53 KGRR 011325
CLMBIV
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
925 AM EDT SUN OCT 01 2023
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...THE HOLLAND CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1905 TO 2023
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 99 09/06/1954
LOW 27 09/28/1991
HIGHEST 93 09/05 MM MM 85 09/01
LOWEST 45 09/14 MM MM 39 09/23
09/19
AVG. MAXIMUM 74.7 73.5 1.2 72.5
AVG. MINIMUM 54.8 52.4 2.4 55.2
MEAN 64.8 62.9 1.9 63.9
DAYS MAX >= 90 1 0.8 0.2 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.0 0.0 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 10.89 1986
MINIMUM T 1979
TOTALS 1.58 2.95 -1.37 2.47
DAILY AVG. 0.05 0.10 -0.05 0.08
DAYS >= .01 8 11.1 -3.1 6
DAYS >= .10 3 5.8 -2.8 5
DAYS >= .50 1 1.9 -0.9 1
DAYS >= 1.00 0 0.6 -0.6 1
GREATEST
24 HR. TOTAL 0.97 09/11 TO 09/11
DEGREE DAYS
HEATING TOTAL 80 123 -43 102
SINCE 7/1 90 147 -57 MM
COOLING TOTAL 81 62 19 73
SINCE 1/1 610 623 -13 MM
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WIND (MPH)
AVERAGE WIND SPEED 5.6
RESULTANT WIND SPEED/DIRECTION 2/160
HIGHEST WIND SPEED/DIRECTION 24/230 DATE 09/03
HIGHEST GUST SPEED/DIRECTION 35/230 DATE 09/06
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.40
NUMBER OF DAYS FAIR 15
NUMBER OF DAYS PC 9
NUMBER OF DAYS CLOUDY 6
AVERAGE RH (PERCENT) 76
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 1 MIXED PRECIP 0
HEAVY RAIN 3 RAIN 3
LIGHT RAIN 9 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 20 FOG W/VIS <= 1/4 MILE 7
HAZE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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