Climatological Report (Monthly)
Issued by NWS
Issued by NWS
338 CXUS56 KMTR 010828 CLMSFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1228 AM PST THU FEB 01 2024 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JANUARY 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 74 01/31/2015 LOW 26 01/05/1949 HIGHEST 66 01/28 69 01/12 01/29 01/25 LOWEST 39 01/07 36 01/31 AVG. MAXIMUM 59.5 58.0 1.5 59.8 AVG. MINIMUM 48.7 47.9 MEAN 54.1 51.3 2.8 53.8 DAYS MAX >= 90 0 0 DAYS MAX <= 32 0 0 DAYS MIN <= 32 0 0 DAYS MIN <= 0 0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 11.26 1993 MINIMUM 0.00 2015 TOTALS 5.04 3.89 1.15 9.31 DAILY AVG. 0.16 0.13 0.03 0.30 DAYS >= .01 14 14 DAYS >= .10 12 13 DAYS >= .50 5 9 DAYS >= 1.00 1 2 GREATEST 24 HR. TOTAL 1.14 01/31 TO 01/31 3.61 12/31 TO 12/31 DEGREE DAYS HEATING TOTAL 329 426 -97 337 SINCE 7/1 825 1355 -530 MM COOLING TOTAL 0 0 0 0 SINCE 1/1 0 0 0 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 7.0 RESULTANT WIND SPEED/DIRECTION 2/240 HIGHEST WIND SPEED/DIRECTION 32/270 DATE 01/02 HIGHEST GUST SPEED/DIRECTION 46/280 DATE 01/10 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.64 NUMBER OF DAYS FAIR 3 NUMBER OF DAYS PC 19 NUMBER OF DAYS CLOUDY 9 AVERAGE RH (PERCENT) 77 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 3 RAIN 11 LIGHT RAIN 15 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 25 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. $$