Climatological Report (Monthly)
Issued by NWS

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CXUS55 KRIW 011240
CLMWRL

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
335 AM MDT MON MAY 1 2017

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR WORLAND MUNICIPAL AIRPORT
FOR THE MONTH OF APRIL 2017...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF APRIL 2017 WILL BE
AVAILABLE APPROXIMATELY IN JUNE 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...

...WORLAND WAS MUCH WETTER THAN NORMAL IN APRIL...

THE AVERAGE TEMPERATURE FOR WORLAND IN APRIL WAS 45.8 DEGREES...
WHICH WAS 0.1 DEGREES ABOVE NORMAL. THE WARMEST READING OF THE MONTH
WAS 80 DEGREES ON THE 13TH. THE COLDEST READING WAS 24 DEGREES ON
THE 10TH. NO TEMPERATURE RECORDS WERE SET DURING THE MONTH.

TOTAL PRECIPITATION FOR THE MONTH WAS 2.50 OF AN INCH...WHICH WAS
291 PERCENT OF NORMAL. THIS MAKES IT THE WETTEST APRIL ON RECORD.
THE WETTEST 24 HOUR PERIOD WAS THE 21ST...WHEN 0.79 INCHES
FELL...AND SET A NEW RECORD. THIS BROKE THE PREVIOUS RECORD OF
0.73...SET IN 1988. 0.43 OF AN INCH OF PRECIPITATION FELL ON THE
2ND...BREAKING THE PREVIOUS RECORD OF 0.16...SET IN 1964. THE
HIGHEST WIND GUST WAS 44 MPH ON THE 7TH.

...THE WORLAND WY CLIMATE SUMMARY FOR THE MONTH OF APRIL 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1947 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              88   04/23/2012
                        04/28/2000
                        04/21/1994
 LOW                4   04/23/2013
HIGHEST            80   04/13
LOWEST             24   04/10
AVG. MAXIMUM     58.2              60.1    -1.9
AVG. MINIMUM     33.4              31.2     2.2
MEAN             45.8              45.7     0.1
DAYS MAX >= 90      0
DAYS MAX <= 32      0
DAYS MIN <= 32     13
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         2.50   2017
 MINIMUM         0.00   1987
TOTALS           2.50              0.86    1.64
DAILY AVG.       0.08
DAYS >= .01        12
DAYS >= .10         8
DAYS >= .50         1
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.79   04/21 TO 04/21

DEGREE_DAYS
HEATING TOTAL     569               581     -12
 SINCE 7/1       7114              7467    -353
COOLING TOTAL       0                 1      -1
 SINCE 1/1          0                 1      -1
.................................................

WIND (MPH)
AVERAGE WIND SPEED              8.7
RESULTANT WIND SPEED/DIRECTION   0/221
HIGHEST WIND SPEED/DIRECTION    36/230    DATE  04/07
HIGHEST GUST SPEED/DIRECTION    44/230    DATE  04/07

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           17
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          4

AVERAGE RH (PERCENT)     65

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       7
LIGHT RAIN               11     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                3     SLEET                      0
FOG                       8     FOG W/VIS <= 1/4 MILE      2
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 2017...THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 65 DEGREES... AND THE AVERAGE LOW TEMPERATURE
IS 36 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 75
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 45 DEGREES. THE AVERAGE
MONTHLY PRECIPITATION IS 1.42 INCHES.

$$



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