Climatological Report (Monthly)
Issued by NWS

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288
CXUS55 KRIW 082205 CCA
CLMBPI

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
610 PM MDT TUE MAY 1 2018

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR THE MILEY MEMORIAL FIELD
NEAR BIG PINEY FOR THE MONTH OF APRIL 2018...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF APRIL 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

...APRIL WAS SLIGHTLY DRIER FOR BIG PINEY...

THE AVERAGE TEMPERATURE FOR BIG PINEY IN APRIL WAS 37.0
DEGREES...WHICH WAS ONLY 0.1 DEGREES BELOW NORMAL.  THIS WAS STILL
THE 9TH COLDEST APRIL ON RECORD. THE WARMEST READING FOR THE MONTH
WAS 71 DEGREES ON THE 27TH AND 28TH...AND THE COLDEST WAS 1 DEGREE
ON THE 3RD. ONE LOW TEMPERATURE RECORD WAS TIED ON THE 25TH WITH 14
DEGREES...FROM 2000.

BIG PINEY HAD A PRECIPITATION TOTAL OF 0.37 INCHES. THIS IS 70
PERCENT OF NORMAL. THE WETTEST DAY FOR THE MONTH ON THE 7TH WHEN 0.12
INCHES FELL. IT WAS THE 8TH DRIEST APRIL ON RECORD.
THE HIGHEST WIND GUST WAS 56 MPH ON THE 2ND AND 16TH.

...THE BIG PINEY  WY CLIMATE SUMMARY FOR THE MONTH OF APRIL 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1976 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              77   04/23/2012
                        04/29/2007
 LOW               -5   04/23/2013
                        04/30/1984
                        04/11/1997
HIGHEST            71   04/28
                        04/27
LOWEST              1   04/03
AVG. MAXIMUM     54.2              52.4     1.8
AVG. MINIMUM     19.7              21.9    -2.2
MEAN             37.0              37.1    -0.1
DAYS MAX >= 90      0
DAYS MAX <= 32      0
DAYS MIN <= 32     29
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         2.51   1999
 MINIMUM            T   1979
TOTALS           0.37              0.53   -0.16
DAILY AVG.       0.01
DAYS >= .01         6
DAYS >= .10         2
DAYS >= .50         0
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.12   04/07 TO 04/07

DEGREE_DAYS
HEATING TOTAL     832               836      -4
 SINCE 7/1       8454              9531   -1077
COOLING TOTAL       0                 0       0
 SINCE 1/1          0                 0       0
.................................................

WIND (MPH)
AVERAGE WIND SPEED              9.4
HIGHEST WIND SPEED/DIRECTION    48/270    DATE  04/02
HIGHEST GUST SPEED/DIRECTION    56/230    DATE  04/16

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           14
NUMBER OF DAYS PC             12
NUMBER OF DAYS CLOUDY          4

AVERAGE RH (PERCENT)     56

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       1
LIGHT RAIN                9     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       1
LIGHT SNOW                7     SLEET                      0
FOG                       9     FOG W/VIS <= 1/4 MILE      1
HAZE                      3

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

LOOKING AHEAD TO MAY 2018...THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 57 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 26 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 77
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 34. THE AVERAGE MONTHLY
PRECIPITATION IS 0.84 INCHES.

$$



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