Climatological Report (Monthly)
Issued by NWS
Issued by NWS
968 CXUS56 KMTR 010828 CLMAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1228 AM PST THU FEB 01 2024 ................................... ...THE NAPA 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 80 01/12/2009 LOW 18 01/15/2007 HIGHEST 71 01/28 68 01/23 01/29 LOWEST 27 01/07 29 01/31 AVG. MAXIMUM 59.4 58.9 AVG. MINIMUM 41.5 41.6 MEAN 50.4 50.3 DAYS MAX >= 90 0 0 DAYS MAX <= 32 0 0 DAYS MIN <= 32 5 2 DAYS MIN <= 0 0 0 PRECIPITATION (INCHES) TOTALS 4.72 4.17 0.55 8.78 DAILY AVG. 0.15 0.28 DAYS >= .01 14 15 DAYS >= .10 10 13 DAYS >= .50 3 7 DAYS >= 1.00 1 3 GREATEST 24 HR. TOTAL 1.53 01/31 TO 01/31 1.80 01/08 TO 01/09 DEGREE DAYS HEATING TOTAL 440 430 SINCE 7/1 1257 MM COOLING TOTAL 0 0 SINCE 1/1 0 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 5.4 RESULTANT WIND SPEED/DIRECTION 1/130 HIGHEST WIND SPEED/DIRECTION 25/260 DATE 01/10 HIGHEST GUST SPEED/DIRECTION 37/270 DATE 01/10 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.46 NUMBER OF DAYS FAIR 14 NUMBER OF DAYS PC 11 NUMBER OF DAYS CLOUDY 6 AVERAGE RH (PERCENT) 81 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 4 RAIN 8 LIGHT RAIN 14 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 29 FOG W/VIS <= 1/4 MILE 9 HAZE 8 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$