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000
CXUS55 KRIW 011857
CLMRIW

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1235 PM MDT FRI SEP 01 2023

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR RIVERTON FOR THE MONTH OF
AUGUST 2023...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF AUGUST 2023 WILL BE
AVAILABLE IN APPROXIMATELY 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

...RIVERTON WAS COLDER AND WETTER THAN NORMAL IN JULY...

THE AVERAGE TEMPERATURE FOR RIVERTON IN AUGUST WAS 69.3 DEGREES
WHICH WAS 0.3 DEGREES BELOW NORMAL. THE WARMEST READING FOR THE
MONTH WAS 94 DEGREES ON THE 16TH AND 21ST. THE 21ST TIED THE RECORD
FROM 2010. THE COLDEST READING WAS 46 DEGREES ON THE 14TH.

PRECIPITATION FOR THE MONTH WAS 1.36 INCHES...WHICH IS 324 PERCENT
OF NORMAL. IT WAS THE WETTEST AUGUST SINCE RECORDS BEGAN IN 1998.
THIS BROKE THE PREVIOUS MONTHLY RECORD OF 1.15 INCHES SET IN 2014.
THE WETTEST 24-HOURS WAS THE 3RD-4TH WHEN 0.5 INCHES FELL. THE 3RD
HAD 0.55 INCHES WHICH BROKE 0.18 FROM 2000. THE 6TH HAD 0.28 INCHES
WHICH BROKE THE 2017 RECORD OF 0.18. THE HIGHEST WIND GUST OCCURRED
ON THE 6TH WITH 63 MPH FROM THE NORTHWEST.

...THE RIVERTON WY CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1995 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             99   08/14/2003
                       08/06/2001
 LOW              36   08/31/2020
HIGHEST           94   08/16
                       08/21
LOWEST            46   08/14
AVG. MAXIMUM    83.0               85.5    -2.5
AVG. MINIMUM    55.6               53.7     1.9
MEAN            69.3               69.6    -0.3
DAYS MAX >= 90     7
DAYS MAX <= 32     0
DAYS MIN <= 32     0
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        1.15   2014
 MINIMUM        0.01   2020
TOTALS          1.36R              0.42    0.94     0.42
DAILY AVG.      0.04               0.01    0.03
DAYS >= .01       10
DAYS >= .10        4
DAYS >= .50        1
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.75   08/03 TO 08/04
 STORM TOTAL    0.55

SNOWFALL (INCHES)
TOTALS           0.0                 MM      MM
SINCE 7/1        0.0                 MM      MM
SNOWDEPTH AVG.     0
DAYS >= 1.0        0

DEGREE DAYS
HEATING TOTAL     12                 26     -14
 SINCE 7/1        33                 34      -1
COOLING TOTAL    154                169     -15
 SINCE 1/1       371                468     -97
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              7.7
RESULTANT WIND SPEED/DIRECTION   2/310
HIGHEST WIND SPEED/DIRECTION    47/310    DATE  08/06
HIGHEST GUST SPEED/DIRECTION    63/310    DATE  08/06

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.19
NUMBER OF DAYS FAIR           26
NUMBER OF DAYS PC              4
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     51

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              9     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       5
LIGHT RAIN               12     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       5     FOG W/VIS <= 1/4 MILE      1
HAZE                      2

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

LOOKING AHEAD TO SEPTEMBER 2023...THE AVERAGE HIGH TEMPERATURE ON
THE FIRST OF THE MONTH IS 81 DEGREES...AND THE AVERAGE LOW
TEMPERATURE IS 50 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH
IS 66 DEGREES AND THE AVERAGE LOW TEMPERATURE IS 39. THE AVERAGE
MONTHLY PRECIPITATION IS 0.77 INCHES.

$$