Climatological Report (Monthly)
Issued by NWS
Issued by NWS
621
CXUS56 KMTR 010826
CLMSTS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
126 AM PDT THU MAY 01 2025
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...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF APRIL 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 94 04/26/2004
LOW 31 04/09/1999
04/01/1999
HIGHEST 81 04/13 81 04/21
LOWEST 38 04/03 34 04/06
04/04
04/12
AVG. MAXIMUM 69.7 69.0 0.7 70.2
AVG. MINIMUM 43.9 43.2 0.7 43.9
MEAN 56.8 56.1 0.7 57.1
DAYS MAX >= 90 0 0.6 -0.6 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.5 -0.5 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 5.83 2006
MINIMUM 0.00 2008
TOTALS 0.34 0.90
DAILY AVG. 0.02 0.03
DAYS >= .01 3 4
DAYS >= .10 2 3
DAYS >= .50 0 0
DAYS >= 1.00 0 0
GREATEST
24 HR. TOTAL 0.22 04/01 TO 04/01 0.54 04/12 TO 04/13
03/31 TO 04/01
04/01 TO 04/01
DEGREE DAYS
HEATING TOTAL 158 230
SINCE 7/1 2351 MM
COOLING TOTAL 0 0
SINCE 1/1 2 MM
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WIND (MPH)
AVERAGE WIND SPEED 4.8
RESULTANT WIND SPEED/DIRECTION 2/190
HIGHEST WIND SPEED/DIRECTION 23/310 DATE 04/01
HIGHEST GUST SPEED/DIRECTION 32/260 DATE 04/01
32/340 04/02
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.35
NUMBER OF DAYS FAIR 11
NUMBER OF DAYS PC 6
NUMBER OF DAYS CLOUDY 3
AVERAGE RH (PERCENT) 73
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 2
LIGHT RAIN 3 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 15 FOG W/VIS <= 1/4 MILE 5
HAZE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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