Climatological Report (Monthly)
Issued by NWS
Issued by NWS
174
CXUS56 KMTR 010836
CLMSTS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
136 AM PDT SUN JUN 01 2025
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...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MAY 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 102 05/15/2008
LOW 32 05/10/2022
HIGHEST 98 05/30 90 05/10
LOWEST 40 05/10 38 05/06
05/13
AVG. MAXIMUM 79.8 74.7 5.1 77.1
AVG. MINIMUM 46.4 46.6 -0.2 47.3
MEAN 63.1 60.7 2.4 62.2
DAYS MAX >= 90 4 2.0 2.0 1
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 5.05 2005
MINIMUM 0.00 2001
TOTALS 0.09 0.82
DAILY AVG. 0.00 0.03
DAYS >= .01 1 1
DAYS >= .10 0 1
DAYS >= .50 0 1
DAYS >= 1.00 0 0
GREATEST
24 HR. TOTAL 0.09 05/12 TO 05/12 0.82 05/04 TO 05/04
DEGREE DAYS
HEATING TOTAL 84 108
SINCE 7/1 2529 MM
COOLING TOTAL 35 29
SINCE 1/1 37 MM
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WIND (MPH)
AVERAGE WIND SPEED 6.4
RESULTANT WIND SPEED/DIRECTION 2/200
HIGHEST WIND SPEED/DIRECTION 29/030 DATE 05/05
HIGHEST GUST SPEED/DIRECTION 38/030 DATE 05/05
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.14
NUMBER OF DAYS FAIR 25
NUMBER OF DAYS PC 6
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 66
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 2 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 3
HAZE 8
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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