Climatological Report (Monthly) Issued by NWS
000
CXUS56 KSEW 011035
CLMOLM
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
335 AM PDT MON MAY 01 2023
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...THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF APRIL 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
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TEMPERATURE (F)
RECORD
HIGH 88 04/18/2016
LOW 23 04/13/2020
04/02/2008
04/08/1975
HIGHEST 83 04/28 MM MM 76 04/07
LOWEST 25 04/05 MM MM 25 04/06
AVG. MAXIMUM 55.7 58.9 -3.2 54.6
AVG. MINIMUM 36.9 37.5 -0.6 33.9
MEAN 46.3 48.2 -1.9 44.3
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 6 6.4 -0.4 13
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 7.80 1991
MINIMUM 0.37 1956
TOTALS 6.21 3.67 2.54 5.35
DAILY AVG. 0.21 0.12 0.09 0.18
DAYS >= .01 22 16.3 5.7 24
DAYS >= .10 15 9.6 5.4 17
DAYS >= .50 5 1.6 3.4 2
DAYS >= 1.00 0 0.4 -0.4 0
GREATEST
24 HR. TOTAL 0.93 04/09 TO 04/10
DEGREE DAYS
HEATING TOTAL 554 504 50 614
SINCE 7/1 4784 4861 -77 MM
COOLING TOTAL 0 0 0 0
SINCE 1/1 0 0 0 MM
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WIND (MPH)
AVERAGE WIND SPEED 5.8
HIGHEST WIND SPEED/DIRECTION 26/190 DATE 04/17
HIGHEST GUST SPEED/DIRECTION 42/200 DATE 04/17
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.66
NUMBER OF DAYS FAIR 5
NUMBER OF DAYS PC 13
NUMBER OF DAYS CLOUDY 12
AVERAGE RH (PERCENT) 78
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 8
LIGHT RAIN 22 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 1 SLEET 0
FOG 21 FOG W/VIS <= 1/4 MILE 6
HAZE 3
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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