233
CXUS56 KSEW 291906 CCA
CLMOLM

CLIMATE REPORT...CORRECTED
NATIONAL WEATHER SERVICE SEATTLE
1106 AM PST WED JAN 29 2025

...................................

...THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 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
................................................................
TEMPERATURE (F)
RECORD
 HIGH             64   12/10/2014
                       12/01/1958
 LOW              -7   12/23/1983
HIGHEST           55   12/17         MM      MM       62  12/04
                       12/18
                                                          12/05
LOWEST            26   12/05         MM      MM       30  12/23
AVG. MAXIMUM    47.9               44.9     3.0     51.6
AVG. MINIMUM    36.1               32.8     3.3     39.3
MEAN            42.0               38.9     3.1     45.5
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                0.6    -0.6        0
DAYS MIN <= 32     9               14.3    -5.3        2
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       14.50   2015
 MINIMUM        2.02   2013
TOTALS         10.24               7.85    2.39    10.72
DAILY AVG.      0.33               0.25    0.08     0.35
DAYS >= .01       22               20.2     1.8       20
DAYS >= .10       18               13.6     4.4       17
DAYS >= .50        9                5.2     3.8        6
DAYS >= 1.00       1                1.9    -0.9        3
GREATEST
 24 HR. TOTAL   2.87   12/17 TO 12/18


DEGREE DAYS
HEATING TOTAL    704                811    -107      597
 SINCE 7/1      1891               2240    -349       MM
COOLING TOTAL      0                  0       0        0
 SINCE 1/1       214                113     101       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              4.7
HIGHEST WIND SPEED/DIRECTION    31/180    DATE  12/14
HIGHEST GUST SPEED/DIRECTION    56/180    DATE  12/14

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.78
NUMBER OF DAYS FAIR            3
NUMBER OF DAYS PC              4
NUMBER OF DAYS CLOUDY         23

AVERAGE RH (PERCENT)     90

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                      11
LIGHT RAIN               22     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     15
HAZE                      1

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$