Climatological Report (Monthly)
Issued by NWS
Issued by NWS
000 CXUS56 KMTR 010843 CLMSFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 143 AM PDT FRI SEP 01 2023 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2023... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1927 TO 2023 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 100 08/01/1993 LOW 42 08/21/1928 HIGHEST 91 08/30 83 08/04 08/16 LOWEST 57 08/05 55 08/18 08/06 08/08 AVG. MAXIMUM 76.6 73.4 3.2 74.9 AVG. MINIMUM 59.7 58.9 MEAN 68.2 64.9 3.3 66.9 DAYS MAX >= 90 1 0 DAYS MAX <= 32 0 0 DAYS MIN <= 32 0 0 DAYS MIN <= 0 0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 0.66 1976 MINIMUM 0.00 2021 TOTALS 0.03 0.04 -0.01 0.01 DAILY AVG. 0.00 0.00 -0.00 0.00 DAYS >= .01 1 1 DAYS >= .10 0 0 DAYS >= .50 0 0 DAYS >= 1.00 0 0 GREATEST 24 HR. TOTAL 0.03 08/21 TO 08/21 0.01 08/01 TO 08/01 DEGREE DAYS HEATING TOTAL 6 44 -38 4 SINCE 7/1 47 101 -54 MM COOLING TOTAL 111 41 70 69 SINCE 1/1 139 110 29 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 11.7 RESULTANT WIND SPEED/DIRECTION 10/290 HIGHEST WIND SPEED/DIRECTION 31/290 DATE 08/05 HIGHEST GUST SPEED/DIRECTION 41/200 DATE 08/21 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.38 NUMBER OF DAYS FAIR 13 NUMBER OF DAYS PC 17 NUMBER OF DAYS CLOUDY 1 AVERAGE RH (PERCENT) 70 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 5 FOG W/VIS <= 1/4 MILE 0 HAZE 19 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$