Climatological Report (Monthly)
Issued by NWS Eureka, CA

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CXUS56 KEKA 080135
CLMEKA

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TTAA00 EKA 070407

CLIMATE REPORT
NATIONAL WEATHER SERVICE EUREKA CA
630 PM PDT WED JUN 07 2023

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

...THE EUREKA CA CLIMATE SUMMARY FOR THE MONTH OF MAY 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1886 TO 2023

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           66   05/14         MM      MM       66
LOWEST            43   05/09         MM      MM       36
AVG. MAXIMUM    58.4               59.6    -1.2     58.6
AVG. MINIMUM    48.6               47.7     0.9     46.8
MEAN            53.5               53.7    -0.2     52.7
DAYS MAX >= 90     0
DAYS MIN <= 32     0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        7.20   1889
 MINIMUM        0.03   1955
TOTALS          0.97               1.66   -0.69
DAYS >= .01       11                9.3     1.7       11
DAYS >= .10        4                4.5    -0.5        4
DAYS >= .50        0                0.9    -0.9        0
DAYS >= 1.00       0                0.1    -0.1        0
GREATEST
 24 HR. TOTAL   0.63   05/07 TO 05/08

 LIQUID 7/1       MM                         MM

DEGREE DAYS
HEATING TOTAL    349                352      -3      374
 SINCE 7/1      4521               4234     287       MM
COOLING TOTAL      0                  0       0        0
 SINCE 1/1         0                  0       0       MM
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              4.8
HIGHEST WIND SPEED/DIRECTION    15/180    DATE  05/05
                                15/360          05/22
HIGHEST GUST SPEED/DIRECTION    29/MM     DATE  05/07

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.79
NUMBER OF DAYS FAIR            4
NUMBER OF DAYS PC              5
NUMBER OF DAYS CLOUDY         22


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     HEAVY RAIN                 0
RAIN                      0     LIGHT RAIN                17
HAIL                      0     SLEET                      0
FOG                      18     FOG W/VIS <= 1/4 MILE      0
HAZE                      1

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

MOST OF THE MONTH SAW TEMPERATURES SLIGHTLY BELOW NORMAL WITH AN
ESTABLISHED MARINE LAYER OR BRISK NORTHERLY WINDS. ON THE 14TH CLEAR
SKIES AND LIGHT EASTERLY WINDS ALLOW TEMPERATURES TO WARM INTO THE
MIDDLE 60S. RAINFALL WAS ONLY AROUND 60 PERCENT OF NORMAL, HOWEVER
THIS WAS ONLY ABOUT 0.7 INCHES BELOW NORMAL.

$$


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