Climatological Report (Monthly)
Issued by NWS Eureka, CA

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CXUS56 KEKA 041629 RRA
CLMEKA

SFOCLMEKA 000
TTAA00 EKA 020621

CLIMATE REPORT
NATIONAL WEATHER SERVICE EUREKA CA
1021 PM PST WED JAN 01 2025

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

...THE EUREKA CA CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2024...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1886 TO 2024

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             77   12/30/1963
 LOW              21   12/09/1972
HIGHEST           66   12/21         MM      MM       66
LOWEST            33   12/01         MM      MM       34
                       12/10
AVG. MAXIMUM    57.7               54.7     3.0     58.2
AVG. MINIMUM    42.3               40.0     2.3     44.6
MEAN            50.0               47.4     2.6     51.4
DAYS MAX >= 90     0
DAYS MIN <= 32     0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       23.31   2002
 MINIMUM        0.52   1976
TOTALS          9.88               8.10    1.78
DAYS >= .01       21               17.1     3.9       17
DAYS >= .10       16               12.3     3.7       11
DAYS >= .50        7                5.6     1.4        7
DAYS >= 1.00       3                2.5     0.5        2
GREATEST
 24 HR. TOTAL   2.04   12/23 TO 12/24

 LIQUID 7/1       MM                         MM

DEGREE DAYS
HEATING TOTAL    457                547     -90      413
 SINCE 7/1      1787               1977    -190       MM
COOLING TOTAL      0                  0       0        0
 SINCE 1/1         1                  1       0       MM
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              4.9
HIGHEST WIND SPEED/DIRECTION    21/170    DATE  12/13
HIGHEST GUST SPEED/DIRECTION    48/MM     DATE  12/13

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.75
NUMBER OF DAYS FAIR            4
NUMBER OF DAYS PC              7
NUMBER OF DAYS CLOUDY         20


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              2     HEAVY RAIN                 3
RAIN                      9     LIGHT RAIN                20
HAIL                      0     SLEET                      0
FOG                      18     FOG W/VIS <= 1/4 MILE      2
HAZE                      2

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

DECEMBER STARTED OUT DRY AND FOR THE FIRST 10 DAYS WITH NO
SIGNIFICANT RAIN. WINDS WERE LIGHT AND SKIES WERE MAINLY CLEAR. THIS
ALLOWED LOW TEMPERATURES TO DROP INTO THE 30S EACH NIGHT WITH HIGHS
IN THE UPPER 50S.

STARTING ON THE 11TH THE PATTERN SHIFTED AND NUMEROUS WEATHER
SYSTEMS MOVED THROUGH THE AREA. THE RAINFALL QUICKLY MADE UP FOR
LOST TIME AND EUREKA ENDED THE MONTH NEARLY 2 INCHES ABOVE NORMAL
RAINFALL. THIS WAS THE WETTEST DECEMBER SINCE 2015, HOWEVER IT WAS
NOT AS WET AS THIS NOVEMBER WAS. STRONG WINDS WERE RECORDED ON THE
13TH WITH GUSTS TO 48 MPH ON WOODLEY ISLAND. THIS WAS THE STRONGEST
GUST REPORTED IN EUREKA SINCE JANUARY OF 2023.

$$