CXUS56 KMTR 010837 CLMSFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 137 AM PDT WED MAY 01 2024 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR THE MONTH OF APRIL 2024... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1927 TO 2024 WEATHER OBSERVED NORMAL DEPART LAST YEAR'S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 92 04/08/1989 04/29/1981 LOW 36 04/27/1955 HIGHEST 76 04/17 83 04/27 LOWEST 44 04/04 42 04/04 04/05 AVG. MAXIMUM 65.2 65.6 -0.4 63.9 AVG. MINIMUM 50.2 48.7 MEAN 57.7 57.3 0.4 56.3 DAYS MAX >= 90 0 0 DAYS MAX <= 32 0 0 DAYS MIN <= 32 0 0 DAYS MIN <= 0 0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 6.36 1958 MINIMUM 0.00 1977 TOTALS 0.77 1.36 -0.59 0.10 DAILY AVG. 0.03 0.05 -0.02 0.00 DAYS >= .01 3 2 DAYS >= .10 2 0 DAYS >= .50 1 0 DAYS >= 1.00 0 0 GREATEST 24 HR. TOTAL 0.50 04/04 TO 04/04 0.06 04/07 TO 04/07 DEGREE DAYS HEATING TOTAL 212 234 -22 256 SINCE 7/1 1630 2209 -579 MM COOLING TOTAL 0 5 -5 2 SINCE 1/1 1 6 -5 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 12.7 RESULTANT WIND SPEED/DIRECTION 9/280 HIGHEST WIND SPEED/DIRECTION 38/280 DATE 04/29 HIGHEST GUST SPEED/DIRECTION 46/290 DATE 04/28 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.43 NUMBER OF DAYS FAIR 12 NUMBER OF DAYS PC 12 NUMBER OF DAYS CLOUDY 6 AVERAGE RH (PERCENT) 68 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 0 RAIN 2 LIGHT RAIN 5 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 11 FOG W/VIS <= 1/4 MILE 0 HAZE 25 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$