CXUS56 KSEW 011036 CLMSEA CLIMATE REPORT NATIONAL WEATHER SERVICE SEATTLE 336 AM PDT FRI NOV 01 2024 ................................... ...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2024... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1945 TO 2024 WEATHER OBSERVED NORMAL DEPART LAST YEAR'S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 89 10/01/1987 LOW 28 10/19/1949 HIGHEST 75 10/07 MM MM 79 10/07 LOWEST 41 10/31 MM MM 32 10/29 AVG. MAXIMUM 60.6 60.5 0.1 61.7 AVG. MINIMUM 47.4 47.0 0.4 47.3 MEAN 54.0 53.8 0.2 54.5 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 0 0.2 -0.2 1 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 10.05 2016 MINIMUM 0.31 1987 TOTALS 3.04 3.91 -0.87 2.89 DAILY AVG. 0.10 0.13 -0.03 0.10 DAYS >= .01 16 14.3 1.7 12 DAYS >= .10 8 8.4 -0.4 7 DAYS >= .50 1 2.6 -1.6 2 DAYS >= 1.00 0 0.7 -0.7 0 GREATEST 24 HR. TOTAL 0.80 10/26 TO 10/27 SNOWFALL (INCHES) RECORDS TOTAL MM MM TOTALS 0.0 0.0 0.0 0.0 SINCE 7/1 0.0 0.0 0.0 MM SNOWDEPTH AVG. 0 0 DAYS >= 1.0 0 0 GREATEST SNOW DEPTH 0 0 24 HR TOTAL MM 0.0 DEGREE DAYS HEATING TOTAL 336 349 -13 285 SINCE 7/1 480 506 -26 MM COOLING TOTAL 0 0 0 0 SINCE 1/1 315 263 52 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 7.6 HIGHEST WIND SPEED/DIRECTION 28/190 DATE 10/26 HIGHEST GUST SPEED/DIRECTION 43/190 DATE 10/20 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.72 NUMBER OF DAYS FAIR 1 NUMBER OF DAYS PC 12 NUMBER OF DAYS CLOUDY 18 AVERAGE RH (PERCENT) 75 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 1 MIXED PRECIP 0 HEAVY RAIN 3 RAIN 5 LIGHT RAIN 20 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 19 FOG W/VIS <= 1/4 MILE 3 HAZE 3 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$