Climatological Report (Monthly)
Issued by NWS

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CXUS55 KRIW 021350
CLMCPR

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 AM MST TUE FEB 2 2016

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR THE NATRONA COUNTY
INTERNATIONAL AIRPORT NEAR CASPER FOR THE MONTH OF JANUARY 2016...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF JANUARY 2016 WILL BE
AVAILABLE APPROXIMATELY IN MARCH 2016 FROM THE NATIONAL CLIMATIC
DATA CENTER (HTTP://WWW.NCDC.NOAA.GOV/OL/CLIMATEDATA.HTML).
UNOFFICIAL ASOS DAILY SUMMARIES ARE AVAILABLE ON THE INTERNET AT
HTTP://WWW.WEATHER.GOV/CLIMATE/INDEX.PHP?WFO=RIW

...JANUARY WAS SLIGHTLY WARMER AND WETTER THAN NORMAL IN CASPER...

THE AVERAGE TEMPERATURE FOR CASPER IN JANUARY WAS 25.7 DEGREES...
WHICH WAS 1.0 DEGREES ABOVE NORMAL. THE WARMEST READING OF THE MONTH
WAS 43 DEGREES ON THE 28TH AND 29TH. THE COLDEST READING WAS 3 ABOVE
ON THE 31ST. NO TEMPERATURE RECORDS WERE SET DURING THE MONTH.

TOTAL PRECIPITATION FOR THE MONTH WAS 0.99 INCHES...WHICH WAS 194
PERCENT OF NORMAL. THIS TIES IT AS THE 5TH WETTEST JANUARY ON RECORD
SINCE 1948. THE WETTEST 24 HOUR PERIOD OF THE MONTH WAS THE 30TH AND
31ST...WHEN 0.41 OF AN INCH OF PRECIPITATION FELL. THERE WERE TWO
PRECIPITATION RECORDS SET DURING THE MONTH...WHEN 0.15 OF AN INCH
FELL ON THE 7TH...AND 0.33 FELL ON THE 30TH. ONE SNOW RECORD FELL
DURING JANUARY...WHEN 4.5 INCHES OF SNOW FELL ALSO FELL ON THE 30TH.
THE HIGHEST WIND GUST WAS 50 MPH ON THE 29TH.

...THE CASPER WY CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1939 TO 2016

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              60   01/31/1971
                        01/30/1971
 LOW              -40   01/14/1972
                        01/13/1972
                        01/24/1949
HIGHEST            43   01/29
                        01/28
LOWEST              3   01/31
AVG. MAXIMUM     33.0              35.2    -2.2
AVG. MINIMUM     18.4              14.3     4.1
MEAN             25.7              24.7     1.0
DAYS MAX >= 90      0
DAYS MAX <= 32     13
DAYS MIN <= 32     31
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         1.42   1987
 MINIMUM         0.03   2004
TOTALS           0.99              0.51    0.48
DAILY AVG.       0.03              0.02    0.01
DAYS >= .01         9
DAYS >= .10         4
DAYS >= .50         0
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.41   01/30 TO 01/31

SNOWFALL (INCHES)
TOTALS           13.4               9.1     4.3
SINCE 7/1        43.5              39.6     3.9
DAYS >= 1.0         6

DEGREE_DAYS
HEATING TOTAL    1210              1248     -38
 SINCE 7/1       3972              4377    -405
COOLING TOTAL       0                 0       0
 SINCE 1/1          0                 0       0
.................................................

WIND (MPH)
AVERAGE WIND SPEED              15.5
RESULTANT WIND SPEED/DIRECTION  14/223
HIGHEST WIND SPEED/DIRECTION    41/210    DATE  01/29
HIGHEST GUST SPEED/DIRECTION    50/220    DATE  01/29

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           21
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY          4

AVERAGE RH (PERCENT)     65

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                2     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       3
LIGHT SNOW               10     SLEET                      0
FOG                      10     FOG W/VIS <= 1/4 MILE      1
HAZE                      4

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

LOOKING AHEAD TO FEBRUARY 2016...THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 35 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 14 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 42
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 18. THE AVERAGE MONTHLY
PRECIPITATION IS 0.57 INCHES WITH 9.8 INCHES OF SNOWFALL.

$$


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