Climatological Report (Monthly)
Issued by NWS Eureka, CA

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000
CXUS56 KEKA 040138
CLMEKA

CLIMATE REPORT
NATIONAL WEATHER SERVICE EUREKA CA
638 PM PDT WED OCT 3 2018

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

...THE EUREKA CA CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 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              87   09/02/2017
 LOW               36   09/22/1895
HIGHEST            73   09/30                MM
LOWEST             45   09/26                MM
                        09/24
AVG. MAXIMUM     63.4                      -0.3
AVG. MINIMUM     49.9                      -0.5
MEAN             56.7                      -0.3

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         4.26   1901
 MINIMUM         0.00   1929
TOTALS           0.19              0.59   -0.40
DAYS >= .01         1               4.4    -3.4        7
DAYS >= .10         1               1.6    -0.6        3
DAYS >= .50         0               0.3    -0.3        0
DAYS >= 1.00        0               0.0     0.0        0
GREATEST
 24 HR. TOTAL    0.19   09/29 TO 09/29

SNOWFALL (INCHES)
 LIQUID 7/1      0.00                      0.00

DEGREE_DAYS
HEATING TOTAL     240               239       1      147
 SINCE 7/1        662               665      -3      538
COOLING TOTAL       0                 0       0       13
 SINCE 1/1          0                 0       0       13
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              3.8
HIGHEST WIND SPEED/DIRECTION    13/200    DATE  09/30
HIGHEST GUST SPEED/DIRECTION    21/035    DATE  09/23

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR            6
NUMBER OF DAYS PC             16
NUMBER OF DAYS CLOUDY          8


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     HEAVY RAIN                 0
RAIN                      1     LIGHT RAIN                 4
HAIL                      0     SLEET                      0
FOG                      11     FOG W/VIS <= 1/4 MILE      7
HAZE                      3

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

&&

TOTAL RAINFALL...............  0.19 DEPARTURE FROM NORMAL.....- 0.40
TOTAL SINCE JANUARY 1ST...... 26.01 DEPARTURE FROM NORMAL.....+ 1.65
TOTAL SINCE OCT 1ST.......... 36.99 DEPARTURE FROM NORMAL.....- 3.34

HIGHEST SLP......... 30.15 ON  6 LOWEST SLP........29.78 ON 29

...REMARKS...HIGH PRESSURE WAS IN PLACE FOR MUCH OF THE MONTH.
SEVERAL WEAK TROUGH`S MOVED THROUGH THE AREA EARLIER IN THE MONTH,
HOWEVER THEY WERE DRY. THE MONTH REMAINED DRY UNTIL SOME LIGHT RAIN
FELL ON THE 29TH. TEMPERATURES ENDED THE MONTH CLOSE TO NORMAL,
WITHIN A HALF A DEGREE. ONE NOTABLE EVENT WAS THE DENSE FOG ON THE
26TH AND THE 27TH. VERY DENSE FOG PERSISTED THROUGH MUCH OF THE DAY
AT THE IMMEDIATE COAST ON THESE DAYS. NO RECORDS WERE SET THIS
MONTH. MKK





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