Climatological Report (Monthly)
Issued by NWS

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190
CXUS55 KRIW 012035
CLMRKS

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

..PRELIMINARY MONTHLY CLIMATE SUMMARY FOR THE SOUTHWEST WYOMING
REGIONAL AIRPORT NEAR ROCK SPRINGS 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 WARMER AND DRIER THAN NORMAL IN ROCK SPRINGS...

THE AVERAGE TEMPERATURE FOR ROCK SPRINGS IN MARCH WAS 35.1
DEGREES...WHICH WAS 1.6 DEGREES ABOVE NORMAL. THE WARMEST READING OF
THE MONTH WAS 58 DEGREES ON THE 22ND...AND THE COLDEST WAS 12
DEGREES ON THE 1ST. NOR TEMPERATURE RECORDS WERE SET THIS MONTH.

TOTAL PRECIPITATION FOR THE MONTH WAS 0.34 INCHES. WHICH IS 50
PERCENT OF NORMAL. THE WETTEST 24 HOUR PERIOD WAS THE 25TH...WHEN
0.16 INCHES FELL. NO PRECIPITATION RECORDS WERE SET DURING THE
MONTH. THE HIGHEST WIND GUST WAS 55 MPH ON THE 30TH.

...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR THE MONTH OF MARCH 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1948 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              72   03/31/2012
 LOW              -12   03/11/1969
HIGHEST            58   03/31
                        03/22
LOWEST             12   03/01
AVG. MAXIMUM     45.8              43.9     1.9
AVG. MINIMUM     24.3              23.1     1.2
MEAN             35.1              33.5     1.6
DAYS MAX >= 90      0
DAYS MAX <= 32      2
DAYS MIN <= 32     28
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         1.97   1977
 MINIMUM            T   2013
TOTALS           0.34              0.68   -0.34
DAILY AVG.       0.01              0.02   -0.01
DAYS >= .01         6
DAYS >= .10         1
DAYS >= .50         0
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.16   03/25 TO 03/25

DEGREE_DAYS
HEATING TOTAL     921               977     -56
 SINCE 7/1       6187              6829    -642
COOLING TOTAL       0                 0       0
 SINCE 1/1          0                 0       0
.................................................

WIND (MPH)
AVERAGE WIND SPEED              13.8
RESULTANT WIND SPEED/DIRECTION  10/244
HIGHEST WIND SPEED/DIRECTION    44/260    DATE  03/30
HIGHEST GUST SPEED/DIRECTION    55/260    DATE  03/30

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           16
NUMBER OF DAYS PC             13
NUMBER OF DAYS CLOUDY          2

AVERAGE RH (PERCENT)     56

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                3     SNOW                       4
LIGHT SNOW                8     SLEET                      0
FOG                       9     FOG W/VIS <= 1/4 MILE      2
HAZE                      5

-  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 49 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 27 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 58
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 33 DEGREES. THE AVERAGE
MONTHLY PRECIPITATION IS 0.91 INCHES.

$$



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