Climatological Report (Monthly)
Issued by NWS Seattle/Tacoma, WA
Issued by NWS Seattle/Tacoma, WA
220 CXUS56 KSEW 011230 CLMSEW CLIMATE REPORT NATIONAL WEATHER SERVICE SEATTLE 430 AM PST MON JAN 01 2024 ................................... ...THE SEATTLE WA WFO CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2023... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1894 TO 2023 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 65 12/10/2014 LOW 10 12/21/1990 HIGHEST 64 12/29 MM MM 56 12/26 LOWEST 33 12/17 MM MM 19 12/22 12/23 12/24 AVG. MAXIMUM 50.5 46.5 4.0 43.6 AVG. MINIMUM 39.8 37.0 2.8 35.1 MEAN 45.2 41.8 3.4 39.3 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 0 0.3 -0.3 2 DAYS MIN <= 32 0 6.7 -6.7 12 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 10.85 1996 MINIMUM 1.49 2011 TOTALS 8.82 5.55 3.27 7.06 DAILY AVG. 0.28 0.18 0.10 0.23 DAYS >= .01 20 19.6 0.4 23 DAYS >= .10 16 12.1 3.9 13 DAYS >= .50 6 3.2 2.8 5 DAYS >= 1.00 2 1.0 1.0 2 SNOWFALL (INCHES) TOTALS 0.0 1.6 SINCE 7/1 0.0 MM SNOWDEPTH AVG. 0 0 GREATEST SNOW DEPTH 0 1 12/21 12/22 DEGREE DAYS HEATING TOTAL 608 721 -113 789 SINCE 7/1 1484 1796 -312 MM COOLING TOTAL 0 0 0 0 SINCE 1/1 341 210 131 MM ................................................................ WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 2 RAIN 8 LIGHT RAIN 21 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 12 FOG W/VIS <= 1/4 MILE 4 HAZE 0 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$