Climatological Report (Monthly)
Issued by NWS
Issued by NWS
470 CXUS56 KMTR 010828 CLMSTS CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1228 AM PST THU FEB 01 2024 ................................... ...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2024... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1998 TO 2024 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 82 01/12/2009 LOW 20 01/15/2007 HIGHEST 73 01/29 75 01/25 LOWEST 31 01/07 27 01/31 01/11 AVG. MAXIMUM 60.0 57.9 2.1 59.5 AVG. MINIMUM 42.7 37.5 5.2 38.5 MEAN 51.3 47.7 3.6 49.0 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 3 9.1 -6.1 10 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 18.96 2017 MINIMUM 0.10 2014 TOTALS 9.57 13.50 DAILY AVG. 0.31 0.44 DAYS >= .01 15 16 DAYS >= .10 13 13 DAYS >= .50 5 8 DAYS >= 1.00 3 5 GREATEST 24 HR. TOTAL 2.48 01/21 TO 01/22 2.49 01/08 TO 01/09 DEGREE DAYS HEATING TOTAL 390 489 SINCE 7/1 1256 MM COOLING TOTAL 0 0 SINCE 1/1 0 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 4.1 RESULTANT WIND SPEED/DIRECTION 1/210 HIGHEST WIND SPEED/DIRECTION 23/130 DATE 01/31 HIGHEST GUST SPEED/DIRECTION 36/140 DATE 01/31 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.60 NUMBER OF DAYS FAIR 7 NUMBER OF DAYS PC 14 NUMBER OF DAYS CLOUDY 10 AVERAGE RH (PERCENT) 83 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 10 RAIN 13 LIGHT RAIN 13 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 26 FOG W/VIS <= 1/4 MILE 16 HAZE 6 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$