Climatological Report (Monthly)
Issued by NWS

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CXUS55 KRIW 012129
CLMCPR

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
229 PM MST SAT DEC 1 2018

..PRELIMINARY MONTHLY CLIMATE SUMMARY FOR THE NATRONA COUNTY
INTERNATIONAL AIRPORT NEAR CASPER FOR THE MONTH OF NOVEMBER 2018...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF NOVEMBER 2018 WILL BE
AVAILABLE APPROXIMATELY IN 60 DAYS FROM THE NATIONAL CENTERS FOR
ENVIRONMENTAL INFORMATION (HTTP://WWW.NCDC.NOAA.GOV/CDO-
WEB/DATASETS). UNOFFICIAL ASOS DAILY SUMMARIES ARE AVAILABLE ON THE
INTERNET AT HTTP://WWW.WEATHER.GOV/CLIMATE/INDEX.PHP?WFO=RIW

...NOVEMBER WAS SLIGHTLY WETTER THAN NORMAL FOR CASPER...

THE AVERAGE TEMPERATURE FOR CASPER IN NOVEMBER WAS 32.6 DEGREES.
THIS WAS 0.6 DEGREES BELOW NORMAL. THE WARMEST READING OF THE MONTH
WAS 63 DEGREES ON THE 2ND. THE COLDEST READING WAS 4 DEGREES ON THE
17TH.

TOTAL PRECIPITATION FOR THE MONTH WAS 0.94 INCHES...WHICH WAS 124
PERCENT OF NORMAL. THE WETTEST 24 HOUR PERIOD OF THE MONTH WAS ON
THE 6TH WHEN 0.27 INCHES OF PRECIPITATION FELL. A DAILY RECORD WAS
SET ON THE 17TH WHEN 0.22 INCHES FELL...BREAKING THE PREVIOUS RECORD
OF 0.2 INCHES SET IN 1964. 11.3 INCHES OF SNOW FELL DURING THE
MONTH. THIS WAS 110 PERCENT OF THE NORMAL 10.3 INCHES. THE SNOWIEST
24 HOUR PERIOD OF THE MONTH WAS ON THE 6TH WHEN 3.9 INCHES FELL. IT
WAS THE 25TH SNOWIEST NOVEMBER ON RECORD. THE HIGHEST WIND GUST WAS
51 MPH ON THE 23RD.

...THE CASPER WY CLIMATE SUMMARY FOR THE MONTH OF NOVEMBER 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1939 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              72   11/01/2014
                        11/07/1999
                        11/06/1999
 LOW              -27   11/12/2014
HIGHEST            63   11/02
LOWEST              4   11/17
AVG. MAXIMUM     42.5              44.7    -2.2
AVG. MINIMUM     22.8              21.6     1.2
MEAN             32.6              33.2    -0.6
DAYS MAX >= 90      0
DAYS MAX <= 32      4
DAYS MIN <= 32     28
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         2.72   1983
 MINIMUM         0.04   1949
TOTALS           0.94              0.76    0.18
DAILY AVG.       0.03              0.03    0.00
DAYS >= .01        10
DAYS >= .10         4
DAYS >= .50         0
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.27   11/06 TO 11/06

SNOWFALL (INCHES)
TOTALS           11.3              10.3     1.0
SINCE 7/1        18.4              19.5    -1.1
DAYS >= 1.0         4

DEGREE_DAYS
HEATING TOTAL     964               955       9
 SINCE 7/1       1830              1854     -24
COOLING TOTAL       0                 0       0
 SINCE 1/1        425               422       3
.................................................

WIND (MPH)
AVERAGE WIND SPEED              12.8
RESULTANT WIND SPEED/DIRECTION   9/232
HIGHEST WIND SPEED/DIRECTION    41/290    DATE  11/23
HIGHEST GUST SPEED/DIRECTION    51/280    DATE  11/23

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           12
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          9

AVERAGE RH (PERCENT)     65

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP                0
HEAVY RAIN                0     RAIN                        0
LIGHT RAIN                7     FREEZING RAIN               0
LT FREEZING RAIN          0     HAIL                        1
HEAVY SNOW                0     SNOW                        2
LIGHT SNOW               12     SLEET                       0
FOG                      14     FOG W/VIS <= 1/4 MILE       1
HAZE                      3

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

LOOKING AHEAD TO DECEMBER 2018...THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 37 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 16 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 35
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 14. THE AVERAGE MONTHLY
PRECIPITATION IS 0.49 INCHES WITH 11.0 INCHES OF SNOWFALL.

$$


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