Climatological Report (Monthly)
Issued by NWS
Issued by NWS
910
CXUS56 KSEW 011051
CLMOLM
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
351 AM PDT WED MAY 01 2024
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...THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF APRIL 2024...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1941 TO 2024
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 88 04/18/2016
LOW 23 04/13/2020
04/02/2008
04/08/1975
HIGHEST 74 04/23 MM MM 83 04/28
LOWEST 25 04/17 MM MM 25 04/05
AVG. MAXIMUM 59.9 58.9 1.0 55.7
AVG. MINIMUM 37.4 37.5 -0.1 36.9
MEAN 48.6 48.2 0.4 46.3
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 7 6.4 0.6 6
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 7.80 1991
MINIMUM 0.37 1956
TOTALS 2.46 3.67 -1.21 6.21
DAILY AVG. 0.08 0.12 -0.04 0.21
DAYS >= .01 14 16.3 -2.3 22
DAYS >= .10 7 9.6 -2.6 15
DAYS >= .50 1 1.6 -0.6 5
DAYS >= 1.00 0 0.4 -0.4 0
GREATEST
24 HR. TOTAL 0.88 04/25 TO 04/25
DEGREE DAYS
HEATING TOTAL 483 504 -21 554
SINCE 7/1 4223 4861 -638 MM
COOLING TOTAL 0 0 0 0
SINCE 1/1 0 0 0 MM
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WIND (MPH)
AVERAGE WIND SPEED 6.2
HIGHEST WIND SPEED/DIRECTION 23/190 DATE 04/08
23/250 04/20
HIGHEST GUST SPEED/DIRECTION 36/210 DATE 04/08
36/240 04/20
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.50
NUMBER OF DAYS FAIR 12
NUMBER OF DAYS PC 9
NUMBER OF DAYS CLOUDY 9
AVERAGE RH (PERCENT) 71
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 6
LIGHT RAIN 17 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 20 FOG W/VIS <= 1/4 MILE 6
HAZE 2
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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