Climatological Report (Monthly)
Issued by NWS

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CXUS55 KRIW 011920
CLMCPR

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1241 PM MDT SUN APR 1 2018

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

...OFFICIAL CLIMATE DATA FOR THE MONTH OF MARCH 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

...MARCH WAS WETTER THAN NORMAL FOR CASPER...

THE AVERAGE TEMPERATURE FOR CASPER IN MARCH WAS 35.5 DEGREES. THIS
WAS ONLY 0.3 DEGREES ABOVE NORMAL. THE WARMEST READING OF THE MONTH
WAS 66 DEGREES ON THE 22ND...AND THE COLDEST READING WAS 12 DEGREES
ON THE 11TH. THERE WERE NO TEMPERATURE RECORDS BROKEN IN MARCH.

TOTAL PRECIPITATION FOR THE MONTH WAS 1 INCH...WHICH WAS 122 PERCENT
OF NORMAL. THE WETTEST 24 HOUR PERIOD OF THE MONTH WAS ON THE 28TH
WHEN 0.24 INCHES OF PRECIPITATION FELL. SNOWFALL FOR MARCH WAS 6.5
INCHES...WHICH IS 4.4 INCHES BELOW NORMAL...OR ONLY 60 PERCENT OF
NORMAL. NO PRECIPITATION OR SNOW RECORDS WERE BROKEN THIS MONTH. THE
HIGHEST WIND GUST WAS 48 MPH ON THE 2ND.

...THE CASPER WY CLIMATE SUMMARY FOR THE MONTH OF MARCH 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              77   03/31/2012
 LOW              -21   03/25/1965
HIGHEST            66   03/22
LOWEST             12   03/11
AVG. MAXIMUM     49.1              47.9     1.2
AVG. MINIMUM     21.8              22.4    -0.6
MEAN             35.5              35.2     0.3
DAYS MAX >= 90      0
DAYS MAX <= 32      0
DAYS MIN <= 32     29
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         2.43   1954
 MINIMUM         0.12   2004
TOTALS           1.00              0.82    0.18
DAILY AVG.       0.03              0.03    0.00
DAYS >= .01         9
DAYS >= .10         5
DAYS >= .50         0
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.24   03/28 TO 03/28

SNOWFALL (INCHES)
TOTALS            6.5              10.9    -4.4
SINCE 7/1        66.0              60.3     5.7
DAYS >= 1.0         3

DEGREE_DAYS
HEATING TOTAL     907               925     -18
 SINCE 7/1       6371              6373      -2
COOLING TOTAL       0                 0       0
 SINCE 1/1          0                 0       0
.................................................

WIND (MPH)
AVERAGE WIND SPEED              11.0
RESULTANT WIND SPEED/DIRECTION   6/247
HIGHEST WIND SPEED/DIRECTION    38/220    DATE  03/02
HIGHEST GUST SPEED/DIRECTION    48/210    DATE  03/02

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           19
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY          4

AVERAGE RH (PERCENT)     63

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                4     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       2
LIGHT SNOW                8     SLEET                      1
FOG                      13     FOG W/VIS <= 1/4 MILE      4
HAZE                      3

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

LOOKING AHEAD TO APRIL 2018...THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 53 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 26 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 62
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 32. THE AVERAGE MONTHLY
PRECIPITATION IS 1.29 INCHES. THE AVERAGE SNOWFALL IS 11.6 INCHES.

$$



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