


Climatological Report (Monthly)
Issued by NWS
Issued by NWS
448 CXUS56 KMTR 011630 CLMSFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 930 AM PDT TUE APR 01 2025 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MARCH 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1927 TO 2025 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 85 03/25/1952 LOW 31 03/03/1966 HIGHEST 82 03/25 73 03/15 LOWEST 42 03/18 44 03/08 03/19 AVG. MAXIMUM 61.7 63.4 -1.7 61.7 AVG. MINIMUM 47.5 49.8 MEAN 54.6 55.5 -0.9 55.7 DAYS MAX >= 90 0 0 DAYS MAX <= 32 0 0 DAYS MIN <= 32 0 0 DAYS MIN <= 0 0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 9.01 1958 MINIMUM 0.05 1988 TOTALS 1.52 2.73 -1.21 3.44 DAILY AVG. 0.06 0.09 -0.03 0.11 DAYS >= .01 9 15 DAYS >= .10 5 11 DAYS >= .50 1 2 DAYS >= 1.00 0 0 GREATEST 24 HR. TOTAL 0.65 03/12 TO 03/13 1.12 03/01 TO 03/02 DEGREE DAYS HEATING TOTAL 316 296 20 277 SINCE 7/1 1849 1975 -126 MM COOLING TOTAL 3 1 2 1 SINCE 1/1 3 1 2 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 11.1 RESULTANT WIND SPEED/DIRECTION 7/260 HIGHEST WIND SPEED/DIRECTION 44/220 DATE 03/12 HIGHEST GUST SPEED/DIRECTION 58/170 DATE 03/12 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.58 NUMBER OF DAYS FAIR 5 NUMBER OF DAYS PC 20 NUMBER OF DAYS CLOUDY 6 AVERAGE RH (PERCENT) 71 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 1 RAIN 4 LIGHT RAIN 13 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 18 FOG W/VIS <= 1/4 MILE 0 HAZE 20 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$