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CLMEKA

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TTAA00 EKA 050303

CLIMATE REPORT
NATIONAL WEATHER SERVICE EUREKA CA
1002 PM PDT WED JUN 04 2025

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

...THE EUREKA CA CLIMATE SUMMARY FOR THE MONTH OF MAY 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1886 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             84   05/13/1939
 LOW              35   05/06/2010
                       05/08/2002
                       05/01/1887
HIGHEST           65   05/29         MM      MM       76
LOWEST            40   05/05         MM      MM       38
AVG. MAXIMUM    59.2               59.6    -0.4     59.6
AVG. MINIMUM    48.0               47.7     0.3     45.6
MEAN            53.6               53.7    -0.1     52.6
DAYS MAX >= 90     0
DAYS MIN <= 32     0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        7.20   1889
 MINIMUM        0.03   1955
TOTALS          0.62               1.66   -1.04
DAYS >= .01        4                9.3    -5.3        9
DAYS >= .10        1                4.5    -3.5        3
DAYS >= .50        0                0.9    -0.9        2
DAYS >= 1.00       0                0.1    -0.1        1
GREATEST
 24 HR. TOTAL   0.52   05/11 TO 05/12

 LIQUID 7/1       MM                         MM

DEGREE DAYS
HEATING TOTAL    348                352      -4      377
 SINCE 7/1      4106               4234    -128       MM
COOLING TOTAL      0                  0       0        0
 SINCE 1/1         0                  0       0       MM
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              4.4
HIGHEST WIND SPEED/DIRECTION    15/230    DATE  05/11
                                15/350          05/17
                                15/360          05/04
HIGHEST GUST SPEED/DIRECTION    28/MM     DATE  05/04

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.59
NUMBER OF DAYS FAIR            6
NUMBER OF DAYS PC             15
NUMBER OF DAYS CLOUDY         10


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     HEAVY RAIN                 0
RAIN                      1     LIGHT RAIN                 8
HAIL                      0     SLEET                      0
FOG                       8     FOG W/VIS <= 1/4 MILE      0
HAZE                      0

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

HIGH PRESSURE WAS IN PLACE OVER THE AREA FOR MUCH OF THE MONTH. THIS
KEPT COASTAL CLOUDS IN PLACE AND TEMPERATURES VERY CLOSE TO NORMAL.
THIS CONTRASTED WITH THE INLAND AREAS THAT SAW HIGH TEMPERATURES 4
TO 8 DEGREES ABOVE NORMAL. HIGH TEMPERATURES RANGED FROM ONLY 54
DEGREES TO 65 DEGREES. LOW TEMPERATURES RANGED FROM 40 TO 52. MOST
OF THE RAIN FOR THE MONTH FELL IN ONE SYSTEM ON THE 11TH AND 12TH.
RAINFALL ENDED THE MONTH WELL BELOW THE NORMAL OF 1.66 INCHES. THIS
IS LARGE FROM A STATISTICAL PERSPECTIVE, BUT AS WE ENTER THE DRY
SEASON IT HAS LESS OF AN OVERALL IMPACT. MKK

$$