Climatological Report (Monthly)
Issued by NWS Eureka, CA

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CLMEKA

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CLIMATE REPORT
NATIONAL WEATHER SERVICE EUREKA CA
602 PM PST TUE JAN 1 2019

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

...THE EUREKA CA CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1886 TO 2018

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            65   12/08                MM
LOWEST             32   12/28                MM
AVG. MAXIMUM     56.4                       1.4
AVG. MINIMUM     40.6                       0.0
MEAN             48.5                       0.7

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        23.31   2002
 MINIMUM         0.52   1976
TOTALS           4.95              8.12   -3.17
DAYS >= .01        14              17.5    -3.5        7
DAYS >= .10         9              12.7    -3.7        4
DAYS >= .50         5               5.4    -0.4        2
DAYS >= 1.00        0               2.4    -2.4        0
GREATEST
 24 HR. TOTAL    0.95   12/20 TO 12/20
                        12/16 TO 12/17

SNOWFALL (INCHES)
 LIQUID 7/1      0.00                        MM

DEGREE_DAYS
HEATING TOTAL     504               533     -29      540
 SINCE 7/1       1926              1955     -29     1800
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0       15
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              4.4
HIGHEST WIND SPEED/DIRECTION    18/180    DATE  12/16
HIGHEST GUST SPEED/DIRECTION    38/160    DATE  12/14

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR            4
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY         17


WEATHER CONDITIONS. NUMBER OF DAYS WITH
  1
 17
  0
  3
HAZE                      1

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


TOTAL RAINFALL...............4.95 DEPARTURE FROM NORMAL.....-3.17
TOTAL SINCE JANUARY 1ST......36.75 DEPARTURE FROM NORMAL.....-3.58
TOTAL SINCE OCT 1ST..........10.74 DEPARTURE FROM NORMAL.....-5.23

HIGHEST SLP......... 30.43 ON 29 LOWEST SLP........29.70 ON 14

...REMARKS...A SERIES OF WEATHER SYSTEMS MOVED ACROSS THE AREA
THROUGH THE MONTH. THIS BROUGHT 14 DAYS WITH MEASURABLE RAIN.
DEPSPITE HOW OFTEN IT RAINED, THE TOTAL FOR THE MONTH ONLY ENDED AT
61 PERCENT OF NORMAL. HIGH TEMPERATURES WERE OVER A DEGREE ABOVE
NORMAL WHILE LOW TEMPERATURES WERE RIGHT AT NORMAL. THERE WERE SOME
COOL NIGHTS AND ON THE 28TH THE LOW TEMPERATURES WAS 32 DEGREES.
THIS TIED A RECORD LOW FOR THE DATE, PREVIOUSLY SET IN 2006.

$$



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