Climatological Report (Monthly)
Issued by NWS
Issued by NWS
000 CXUS56 KSEW 011050 CLMOLM CLIMATE REPORT NATIONAL WEATHER SERVICE SEATTLE 350 AM PDT SUN OCT 01 2023 ................................... ...THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1941 TO 2023 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 98 09/02/1988 LOW 25 09/27/1972 HIGHEST 91 09/02 MM MM 88 09/10 LOWEST 35 09/21 MM MM 37 09/21 09/30 AVG. MAXIMUM 72.5 72.1 0.4 76.4 AVG. MINIMUM 46.6 46.2 0.4 47.8 MEAN 59.6 59.1 0.5 62.1 DAYS MAX >= 90 1 0.4 0.6 0 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 0 0.2 -0.2 0 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 9.36 2013 MINIMUM T 2012 TOTALS 2.30 2.04 0.26 0.13 DAILY AVG. 0.08 0.07 0.01 0.00 DAYS >= .01 6 8.1 -2.1 3 DAYS >= .10 6 4.6 1.4 0 DAYS >= .50 1 1.3 -0.3 0 DAYS >= 1.00 0 0.3 -0.3 0 GREATEST 24 HR. TOTAL 0.94 09/24 TO 09/25 DEGREE DAYS HEATING TOTAL 167 183 -16 89 SINCE 7/1 220 325 -105 MM COOLING TOTAL 11 8 3 11 SINCE 1/1 203 113 90 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 4.5 HIGHEST WIND SPEED/DIRECTION 24/170 DATE 09/27 HIGHEST GUST SPEED/DIRECTION 38/140 DATE 09/27 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.42 NUMBER OF DAYS FAIR 12 NUMBER OF DAYS PC 13 NUMBER OF DAYS CLOUDY 5 AVERAGE RH (PERCENT) 71 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 1 RAIN 4 LIGHT RAIN 10 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 17 FOG W/VIS <= 1/4 MILE 6 HAZE 1 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$