


Climatological Report (Monthly)
Issued by NWS
Issued by NWS
770 CXUS56 KSEW 011032 CLMOLM CLIMATE REPORT NATIONAL WEATHER SERVICE SEATTLE 332 AM PDT TUE APR 01 2025 ................................... ...THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MARCH 2025... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1941 TO 2025 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 79 03/20/2019 03/29/2004 02/24/2022 LOW 9 03/03/1989 HIGHEST 71 03/25 MM MM 74 03/16 03/17 LOWEST 26 03/06 MM MM 21 03/06 03/07 03/17 AVG. MAXIMUM 54.2 53.7 0.5 55.2 AVG. MINIMUM 36.0 34.5 1.5 35.5 MEAN 45.1 44.1 1.0 45.4 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 8 12.5 -4.5 10 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 11.79 1997 MINIMUM 0.48 1965 TOTALS 5.98 5.68 0.30 4.09 DAILY AVG. 0.19 0.18 0.01 0.14 DAYS >= .01 24 18.8 5.2 17 DAYS >= .10 13 12.8 0.2 14 DAYS >= .50 3 3.3 -0.3 2 DAYS >= 1.00 2 0.9 1.1 0 GREATEST 24 HR. TOTAL 1.20 03/15 TO 03/15 DEGREE DAYS HEATING TOTAL 609 648 -39 580 SINCE 7/1 4047 4357 -310 MM COOLING TOTAL 0 0 0 0 SINCE 1/1 0 0 0 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 5.9 HIGHEST WIND SPEED/DIRECTION 30/190 DATE 03/19 HIGHEST GUST SPEED/DIRECTION 48/170 DATE 03/19 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.71 NUMBER OF DAYS FAIR 2 NUMBER OF DAYS PC 12 NUMBER OF DAYS CLOUDY 17 AVERAGE RH (PERCENT) 80 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 2 RAIN 6 LIGHT RAIN 25 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 28 FOG W/VIS <= 1/4 MILE 11 HAZE 3 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$