Climatological Report (Monthly)
Issued by NWS
Issued by NWS
512 CXUS56 KSEW 011031 CLMSEA CLIMATE REPORT NATIONAL WEATHER SERVICE SEATTLE 331 AM PDT THU AUG 01 2024 ................................... ...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JULY 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 103 07/29/2009 LOW 43 07/02/1954 07/24/1953 07/04/1949 HIGHEST 98 07/09 MM MM 91 07/05 07/15 LOWEST 52 07/26 MM MM 54 07/10 07/12 07/13 AVG. MAXIMUM 81.4 77.4 4.0 80.1 AVG. MINIMUM 58.2 56.8 1.4 57.0 MEAN 69.8 67.1 2.7 68.5 DAYS MAX >= 90 4 1.8 2.2 2 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 0 0.0 0.0 0 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 2.39 1983 MINIMUM T 2021 TOTALS 0.16 0.60 -0.44 0.09 DAILY AVG. 0.01 0.02 -0.01 0.00 DAYS >= .01 2 4.7 -2.7 1 DAYS >= .10 1 1.8 -0.8 0 DAYS >= .50 0 0.3 -0.3 0 DAYS >= 1.00 0 0.0 0.0 0 GREATEST 24 HR. TOTAL 0.16 07/29 TO 07/30 DEGREE DAYS HEATING TOTAL 7 31 -24 2 SINCE 7/1 7 36 -29 MM COOLING TOTAL 164 96 68 119 SINCE 1/1 190 135 55 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 7.2 HIGHEST WIND SPEED/DIRECTION 18/010 DATE 07/05 18/030 07/20 18/210 07/30 HIGHEST GUST SPEED/DIRECTION 24/340 DATE 07/04 24/350 07/05 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.33 NUMBER OF DAYS FAIR 16 NUMBER OF DAYS PC 11 NUMBER OF DAYS CLOUDY 4 AVERAGE RH (PERCENT) 58 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 0 RAIN 0 LIGHT RAIN 4 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 3 FOG W/VIS <= 1/4 MILE 1 HAZE 3 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$