Climatological Report (Monthly)
Issued by NWS

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CXUS55 KRIW 082235 CCA
CLMWRL

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1200 PM MDT WED MAY 2 2018

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR WORLAND MUNICIPAL AIRPORT
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 COLDER AND WETTER FOR WORLAND...

THE AVERAGE TEMPERATURE FOR WORLAND IN APRIL WAS 43.3 DEGREES...
WHICH WAS 2.4 DEGREES BELOW NORMAL. THE WARMEST READING OF THE MONTH
WAS 83 DEGREES ON THE 28TH...AND COLDEST WAS 5 DEGREES ON THE 3RD.
THIS BROKE THE PREVIOUS RECORD LOW OF 16 DEGREES SET IN 2002.

TOTAL PRECIPITATION FOR THE MONTH WAS 1.3 INCHES...WHICH WAS 151
PERCENT OF NORMAL. IT WAS THE 15TH WETTEST APRIL ON RECORD. THE
WETTEST 24 HOUR PERIOD WAS THE 30TH...WHEN 0.75 INCHES FELL. A NEW
DAILY RECORD WAS TIED WHEN 0.1 FELL ON THE 6TH..TYING FROM 2006. A
NEW RECORD WAS BROKEN ON THE 8TH WHEN 0.14 FELL...BREAK THE PREVIOUS
RECORD OF 0.13 INCHES SET IN 2013. THE HIGHEST WIND GUST WAS 55 MPH
ON THE 29TH.

...THE WORLAND WY CLIMATE SUMMARY FOR THE MONTH OF APRIL 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1947 TO 2018

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            83   04/28
LOWEST              5   04/03
AVG. MAXIMUM     59.2              60.1    -0.9
AVG. MINIMUM     27.5              31.2    -3.7
MEAN             43.3              45.7    -2.4
DAYS MAX >= 90      0
DAYS MAX <= 32      1
DAYS MIN <= 32     21
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         2.50   2017
 MINIMUM         0.00   1987
TOTALS           1.30              0.86    0.44
DAILY AVG.       0.04
DAYS >= .01         5
DAYS >= .10         5
DAYS >= .50         1
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.75   04/30 TO 04/30

DEGREE_DAYS
HEATING TOTAL     643               581      62
 SINCE 7/1       7896              7467     429
COOLING TOTAL       0                 1      -1
 SINCE 1/1          0                 1      -1
.................................................

WIND (MPH)
AVERAGE WIND SPEED              7.6
RESULTANT WIND SPEED/DIRECTION   1/326
HIGHEST WIND SPEED/DIRECTION    43/300    DATE  04/29
HIGHEST GUST SPEED/DIRECTION    55/300    DATE  04/29

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.20
NUMBER OF DAYS FAIR           21
NUMBER OF DAYS PC              7
NUMBER OF DAYS CLOUDY          2

AVERAGE RH (PERCENT)     62

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       3
LIGHT RAIN                7     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       3
LIGHT SNOW                5     SLEET                      0
FOG                       7     FOG W/VIS <= 1/4 MILE      2
HAZE                      1

-  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 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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