Climatological Report (Monthly)
Issued by NWS Riverton, WY

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CXUS55 KRIW 020841 AAA
CLMRIW

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
221 AM MDT THU APR 2 2015

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR RIVERTON REGIONAL AIRPORT
FOR THE MONTH OF MARCH 2015...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF MARCH 2015 WILL BE
AVAILABLE APPROXIMATELY IN MAY 2015 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.CRH.NOAA.GOV/RIW/CLIMATE/...

...MARCH WAS WARMER AND DRIER THAN NORMAL IN RIVERTON....

THE AVERAGE TEMPERATURE FOR RIVERTON IN MARCH WAS 39.5 DEGREES...
WHICH WAS 4.1 DEGREES ABOVE NORMAL. THIS MAKES IT THE 3RD WARMEST
MARCH ON RECORD SINCE 1995. THE WARMEST READING OF THE MONTH WAS 74
DEGREES ON THE 28TH...AND THE COLDEST READING WAS 9 BELOW ON THE
4TH. THERE WERE THREE RECORD DAILY HIGHS SET DURING THE MONTH...72
DEGREES ON THE 27TH...74 ON THE 28TH...AND 67 DEGREES ON THE 29TH.
THREE DAILY LOW TEMPERATURE RECORDS ALSO FELL...1 ABOVE ON THE
3RD...9 BELOW ON THE 4TH...AND 7 BELOW ON THE 5TH.

TOTAL PRECIPITATION FOR THE MONTH WAS 0.41 OF AN INCH...WHICH WAS 75
PERCENT OF NORMAL. THE WETTEST 24 HOUR PERIOD OCCURRED ON THE 2ND...
WHEN 0.19 OF AN INCH OF PRECIPITATION FELL. THE HIGHEST WIND GUST
WAS 54 MPH...WHICH OCCURRED ON THE 28TH.

...THE RIVERTON WY CLIMATE SUMMARY FOR THE MONTH OF MARCH 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1995 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              76   03/31/2012
 LOW               -9   03/04/2015
HIGHEST            74   03/28
LOWEST             -9R  03/04
AVG. MAXIMUM     51.9              47.4     4.5
AVG. MINIMUM     27.1              23.4     3.7
MEAN             39.5              35.4     4.1
DAYS MAX >= 90      0
DAYS MAX <= 32      5
DAYS MIN <= 32     17
DAYS MIN <= 0       2

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         0.87   2010
 MINIMUM            T   2004
TOTALS           0.41              0.55   -0.14
DAILY AVG.       0.01              0.02   -0.01
DAYS >= .01         3
DAYS >= .10         3
DAYS >= .50         0
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.19   03/02 TO 03/02
 STORM TOTAL       MM
 (MM/DD(HH))

SNOWFALL (INCHES)
TOTALS            6.7                MM      MM
SINCE 7/1        35.3                MM      MM
SNOWDEPTH AVG.      1
DAYS >= 1.0         3

DEGREE_DAYS
HEATING TOTAL     785               918    -133
 SINCE 7/1       6178              6772    -594
COOLING TOTAL       0                 0       0
 SINCE 1/1          0                 0       0
.................................................

WIND (MPH)
AVERAGE WIND SPEED              8.2
RESULTANT WIND SPEED/DIRECTION   4/306
HIGHEST WIND SPEED/DIRECTION    43/270    DATE  03/28
HIGHEST GUST SPEED/DIRECTION    54/270    DATE  03/28

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.10
NUMBER OF DAYS FAIR           25
NUMBER OF DAYS PC              5
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     53

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

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

LOOKING AHEAD TO APRIL 2015...THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 53 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 28 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 62
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 35. THE AVERAGE MONTHLY
PRECIPITATION IS 1.30 INCHES. THE MONTHLY AVERAGE SNOWFALL IS 8.3
INCHES.

$$







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