Climatological Report (Monthly)
Issued by NWS Riverton, WY

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CXUS55 KRIW 022102
CLMRIW

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
242 PM MDT SAT APR 1 2017

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR RIVERTON REGIONAL AIRPORT
FOR THE MONTH OF MARCH 2017...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF MARCH 2017 WILL BE
AVAILABLE APPROXIMATELY IN MAY 2017 FROM THE NATIONAL CENTER FOR
ENVIRONMENTAL INFORMATION (HTTP://WWW.NCEI.NOAA.GOV/OL/
CLIMATEDATA.HTML). UNOFFICIAL ASOS DAILY SUMMARIES ARE AVAILABLE ON
THE INTERNET AT HTTP://WWW.WEATHER.GOV/CLIMATE/INDEX.PHP?WFO=RIW...

...RIVERTON WAS MUCH WARMER AND WETTER THAN NORMAL IN MARCH...

THE AVERAGE TEMPERATURE FOR RIVERTON IN MARCH WAS 42.1 DEGREES...
WHICH WAS 6.7 DEGREES ABOVE NORMAL. THIS MAKES IT THE 2ND WARMEST
MARCH ON RECORD. THE WARMEST READING OF THE MONTH WAS 70 DEGREES ON
THE 15TH AND 18TH...BOTH TYING RECORDS PREVIOUSLY SET IN 2013 AND
2007...RESPECTIVELY. THE COLDEST READING WAS 8 DEGREES ON THE 1ST.

TOTAL PRECIPITATION FOR THE MONTH WAS 3.71 INCHES...MAKING IT THE
WETTEST MARCH ON RECORD. THE WETTEST 24 HOUR PERIOD WAS THE
31ST...WHEN 2.64 OF AN INCH FELL. THIS EASILY SET A NEW
RECORD...BREAKING THE PREVIOUS RECORD OF 0.18...SET IN 2010. 0.83 OF
AN INCH OF PRECIPITATION FELL ON THE 23RD...BREAKING THE PREVIOUS
RECORD OF 0.28...SET IN 2009. TOTAL SNOWFALL FOR THE MONTH WAS A
TRACE...WHICH IS 0 PERCENT OF NORMAL. IT IS TIED AS THE LEAST
SNOWIEST MARCH ON RECORD. THE HIGHEST WIND GUST WAS 49 MPH ON THE
12TH.

...THE RIVERTON WY CLIMATE SUMMARY FOR THE MONTH OF MARCH 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1995 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              76   03/31/2012
 LOW               -9   03/04/2015
HIGHEST            70   03/18
                        03/15
LOWEST              8   03/01
AVG. MAXIMUM     54.3              47.4     6.9
AVG. MINIMUM     29.9              23.4     6.5
MEAN             42.1              35.4     6.7
DAYS MAX >= 90      0
DAYS MAX <= 32      0
DAYS MIN <= 32     17
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         2.13   2016
 MINIMUM            T   2004
TOTALS           3.71R             0.55    3.16
DAILY AVG.       0.12              0.02    0.10
DAYS >= .01         8
DAYS >= .10         3
DAYS >= .50         2
DAYS >= 1.00        1
GREATEST
 24 HR. TOTAL    2.64   03/31 TO 03/31


SNOWFALL (INCHES)
TOTALS              T                MM      MM
SINCE 7/1        47.7                MM      MM
SNOWDEPTH AVG.      0
DAYS >= 1.0         0

DEGREE_DAYS
HEATING TOTAL     704               918    -214
 SINCE 7/1       6578              6772    -194
COOLING TOTAL       0                 0       0
 SINCE 1/1          0                 0       0
.................................................

WIND (MPH)
AVERAGE WIND SPEED              10.0
RESULTANT WIND SPEED/DIRECTION   4/290
HIGHEST WIND SPEED/DIRECTION    38/310    DATE  03/12
HIGHEST GUST SPEED/DIRECTION    49/310    DATE  03/12

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.20
NUMBER OF DAYS FAIR           24
NUMBER OF DAYS PC              5
NUMBER OF DAYS CLOUDY          2

AVERAGE RH (PERCENT)     58

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       4
LIGHT RAIN                9     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                1     SLEET                      0
FOG                       6     FOG W/VIS <= 1/4 MILE      0
HAZE                      0

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

LOOKING AHEAD TO APRIL 2017...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.

$$



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