Climatological Report (Monthly)
Issued by NWS

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331
CXUS55 KRIW 011743
CLMWRL

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1107 AM MDT TUE SEP 01 2026

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR WORLAND MUNICIPAL AIRPORT
FOR THE MONTH OF AUGUST 2026...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF AUGUST 2026 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

...WORLAND WAS DRIER AND WARMER THAN NORMAL IN AUGUST...

AVERAGE TEMPERATURE FOR WORLAND IN AUGUST WAS 71.7 DEGREES WHICH IS
1.9 DEGREES ABOVE NORMAL. THE WARMEST READING OF THE MONTH WAS 105
DEGREES ON THE 1ST AND BROKE THE 2000 RECORD OF 102. THE 2ND HIGH OF
103 BROKE 100 FROM 2001, 2016 AND 2024. THE COLDEST READING FOR THE
MONTH WAS 43 DEGREES ON THE 31ST. THE LOW OF 44 ON THE 4TH TIED
1980. THE LOW OF 47 ON THE 5TH TIED 1980.

TOTAL PRECIPITATION FOR THE MONTH WAS 0.25 INCHES...WHICH IS 63
PERCENT OF NORMAL. THE WETTEST 24-HOUR PERIOD DURING THE MONTH WAS
ON THE 18TH WHEN 0.18 INCHES FELL. THIS BROKE THE 1979 RECORD OF
0.16 INCHES. THE HIGHEST WIND GUST WAS 49 MPH FROM THE WEST ON THE
27TH.

...THE WORLAND WY CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1947 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH            106   08/08/1983
                       08/05/1979
 LOW              34   08/30/1964
HIGHEST          105   08/01
LOWEST            43   08/31
AVG. MAXIMUM    88.6               87.9     0.7
AVG. MINIMUM    54.7               51.7     3.0
MEAN            71.7               69.8     1.9
DAYS MAX >= 90    15
DAYS MAX <= 32     0
DAYS MIN <= 32     0
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        2.79   1968
 MINIMUM           T   1970
TOTALS          0.25               0.40   -0.15     0.06
DAILY AVG.      0.01               0.01   -0.00
DAYS >= .01        5
DAYS >= .10        1
DAYS >= .50        0
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.18   08/13 TO 08/13
 STORM TOTAL    0.18

DEGREE DAYS
HEATING TOTAL      4                 27     -23
 SINCE 7/1         4                 34     -30
COOLING TOTAL    217                175      42
 SINCE 1/1       737                497     240
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              5.5
RESULTANT WIND SPEED/DIRECTION   1/040
HIGHEST WIND SPEED/DIRECTION    36/280    DATE  08/27
HIGHEST GUST SPEED/DIRECTION    49/280    DATE  08/27

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.10
NUMBER OF DAYS FAIR           30
NUMBER OF DAYS PC              1
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     44

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       1
LIGHT RAIN               10     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       2     FOG W/VIS <= 1/4 MILE      0
HAZE                     10

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

LOOKING AHEAD TO SEPTEMBER 2026. THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 83 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 47 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 69
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 37 DEGREES. THE AVERAGE
MONTHLY PRECIPITATION IS 0.93 INCHES.

$$