Climatological Report (Monthly)
Issued by NWS Eureka, CA

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000
CXUS56 KEKA 091458
CLMEKA

SFOCLMEKA 000
TTAA00 EKA 091435

CLIMATE REPORT
NATIONAL WEATHER SERVICE EUREKA CA
633 AM PST SAT DEC 09 2023

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

...THE EUREKA CA CLIMATE SUMMARY FOR THE MONTH OF NOVEMBER 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             81   11/11/1904
 LOW              27   11/27/1896
HIGHEST           68   11/03         MM      MM       62
                       11/05
LOWEST            32   11/26         MM      MM       32
                       11/27
AVG. MAXIMUM    60.7               57.8     2.9     55.6
AVG. MINIMUM    43.3               43.2     0.1     38.0
MEAN            52.0               50.5     1.5     46.8
DAYS MAX >= 90     0
DAYS MIN <= 32     2

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       16.58   1973
 MINIMUM        0.00   1929
TOTALS          3.84               4.89   -1.05
DAYS >= .01       14               14.3    -0.3       14
DAYS >= .10        9                9.1    -0.1       11
DAYS >= .50        2                3.6    -1.6        4
DAYS >= 1.00       1                1.3    -0.3        1
GREATEST
 24 HR. TOTAL   1.11   11/05 TO 11/05

 LIQUID 7/1       MM                         MM

DEGREE DAYS
HEATING TOTAL    384                435     -51      540
 SINCE 7/1      1183               1428    -245       MM
COOLING TOTAL      0                  0       0        0
 SINCE 1/1         0                  1      -1       MM
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              2.8
HIGHEST WIND SPEED/DIRECTION    21/270    DATE  11/18
HIGHEST GUST SPEED/DIRECTION    30/MM     DATE  11/18

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.53
NUMBER OF DAYS FAIR           13
NUMBER OF DAYS PC              3
NUMBER OF DAYS CLOUDY         14


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     HEAVY RAIN                 0
RAIN                      3     LIGHT RAIN                17
HAIL                      0     SLEET                      0
FOG                       5     FOG W/VIS <= 1/4 MILE      2
HAZE                      3

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

IN THE FIRST HALF OF THE MONTH THERE WERE NUMEROUS DAYS WITH
PRECIPATATION FALLING AND EVEN SOME THUNDERSTORMS ON THE 3RD. ON THE
18TH A STRONG FRONT BROUGHT GUSTS TO 30 MPH IN EUREKA WITH STRONGER
GUSTS IN THE NEARBY AREAS. THIS ALSO DROPPED THE PRESSURE DOWN TO
29.68 INCHES OF MERCURY OR 1005MB. TEMPERATURES IN THE FIRST HALF OF
THE MONTH PEAKED AT 68 TWICE AND NOVEMBER SAW 13 OF THE FIRST 17
DAYS WITH HIGHS OVER 60. BY THE MIDDLE OF THE MONTH PRECIPATATION
WAS ABOVE NORMAL. FOR THE SECOND HALF OF THE MONTH A WEAK AREA OF
HIGH PRESSURE AND A LOW OFF TO THE EAST BROUGHT DRIER AND COOLER
WEATHER. THIS BROUGHT DOWN THE RAINFALL TOTAL AND THE MONTH ENDED AN
INCH BELOW NORMAL. TWICE THE LOW TEMPERATURES TO DROPPED TO FREEZING
WHEN WEAK OFFSHORE FLOW KEPT SKIES CLEAR AND HIGHS ONLY CLIMBED INTO
THE 3 TIMES AFTER THE 17TH.

$$


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