Climatological Report (Monthly) Issued by NWS
000
CXUS56 KMTR 010900
CLMSJC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
200 AM PDT SUN OCT 01 2023
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...THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1893 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 109 09/06/2022
LOW 35 09/23/1903
09/30/1893
HIGHEST 87 09/08 109 09/06
LOWEST 53 09/28 54 09/17
AVG. MAXIMUM 80.2 80.7 -0.5 84.4
AVG. MINIMUM 58.8 57.2 1.6 61.2
MEAN 69.5 72.8
DAYS MAX >= 90 0 8
DAYS MAX <= 32 0 0
DAYS MIN <= 32 0 0
DAYS MIN <= 0 0 0
PRECIPITATION (INCHES)
TOTALS 0.08 0.07 0.01 0.51
DAILY AVG. 0.00 0.00 -0.00 0.02
DAYS >= .01 1 1
DAYS >= .10 0 1
DAYS >= .50 0 1
DAYS >= 1.00 0 0
GREATEST
24 HR. TOTAL 0.08 09/30 TO 09/30 0.51 09/18 TO 09/18
DEGREE DAYS
HEATING TOTAL 1 12 -11 0
SINCE 7/1 8 14 -6 MM
COOLING TOTAL 140 130 10 237
SINCE 1/1 656 573 83 MM
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WIND (MPH)
AVERAGE WIND SPEED 6.5
RESULTANT WIND SPEED/DIRECTION 3/330
HIGHEST WIND SPEED/DIRECTION 22/340 DATE 09/04
HIGHEST GUST SPEED/DIRECTION 28/340 DATE 09/16
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.31
NUMBER OF DAYS FAIR 19
NUMBER OF DAYS PC 10
NUMBER OF DAYS CLOUDY 1
AVERAGE RH (PERCENT) 63
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 1 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 1 FOG W/VIS <= 1/4 MILE 0
HAZE 9
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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