Climatological Report (Monthly)
Issued by NWS
Issued by NWS
318 CXUS56 KSEW 011150 CLMSEA CLIMATE REPORT NATIONAL WEATHER SERVICE SEATTLE 350 AM PST FRI DEC 01 2023 ................................... ...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF NOVEMBER 2023... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1945 TO 2023 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 74 11/03/2010 11/04/1949 LOW 6 11/15/1955 HIGHEST 63 11/04 MM MM 57 11/04 LOWEST 28 11/27 MM MM 29 11/30 11/28 AVG. MAXIMUM 51.0 52.1 -1.1 48.1 AVG. MINIMUM 38.7 40.9 -2.2 35.7 MEAN 44.9 46.5 -1.6 41.9 DAYS MAX >= 90 0 0.0 0.0 MM DAYS MAX <= 32 0 0.1 -0.1 MM DAYS MIN <= 32 6 3.0 3.0 MM DAYS MIN <= 0 0 0.0 0.0 MM PRECIPITATION (INCHES) RECORD MAXIMUM 15.63 2006 MINIMUM 0.74 1996 TOTALS 5.78 6.31 -0.53 4.83 DAILY AVG. 0.19 0.21 -0.02 0.17 DAYS >= .01 15 18.4 -3.4 MM DAYS >= .10 14 12.9 1.1 MM DAYS >= .50 3 3.9 -0.9 MM DAYS >= 1.00 2 1.4 0.6 MM GREATEST 24 HR. TOTAL 1.47 11/03 TO 11/04 SNOWFALL (INCHES) RECORDS TOTAL 17.5 1985 TOTALS 0.0 0.2 -0.2 1.1 SINCE 7/1 0.0 0.2 -0.2 MM SNOWDEPTH AVG. 0 0 DAYS >= 1.0 0 0 GREATEST SNOW DEPTH 0 0 24 HR TOTAL MM MM DEGREE DAYS HEATING TOTAL 598 555 43 662 SINCE 7/1 1003 1061 -58 MM COOLING TOTAL 0 0 0 0 SINCE 1/1 378 263 115 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 6.7 HIGHEST WIND SPEED/DIRECTION 31/210 DATE 11/19 HIGHEST GUST SPEED/DIRECTION 43/210 DATE 11/19 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.67 NUMBER OF DAYS FAIR 6 NUMBER OF DAYS PC 9 NUMBER OF DAYS CLOUDY 15 AVERAGE RH (PERCENT) 78 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 1 MIXED PRECIP 0 HEAVY RAIN 1 RAIN 9 LIGHT RAIN 16 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 10 HAZE 4 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$