Climatological Report (Monthly)
Issued by NWS

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922
CXUS55 KRIW 011929
CLMCPR

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
121 PM MDT SUN SEP 01 2024

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR CASPER FOR THE MONTH OF
AUGUST 2024...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF AUGUST 2024 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

...AUGUST WAS DRIER AND WARMER THAN NORMAL FOR CASPER...

THE AVERAGE TEMPERATURE FOR CASPER IN AUGUST WAS 70 DEGREES WHICH
WAS 1 DEGREE ABOVE NORMAL. THE WARMEST READING FOR THE MONTH WAS 99
DEGREES ON THE 6TH AND ALSO ON THE 3RD WHICH BROKE THE 2001 RECORD
OF 97. THE 21ST HIGH OF 96 BROKE THE RECORD OF 95 DEGREES FROM 1949
AND 1960. THE COLDEST TEMPERATURE WAS 42 DEGREES ON THE 29TH AND
BROKE THE 2018 RECORD OF 43.

PRECIPITATION FOR THE MONTH WAS 0.39 INCHES...WHICH IS 49 PERCENT OF
NORMAL. THE WETTEST 24-HOUR PERIOD WAS ON THE 25TH-26TH WHEN 0.20
INCHES FELL. NO PRECIPITATION RECORDS WERE BROKEN. THE HIGHEST WIND
GUST WAS 58 MPH FROM THE SOUTHWEST ON THE 25TH.

...THE CASPER WY CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2024...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1939 TO 2024

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH            102   08/05/1979
 LOW              29   08/23/2015
HIGHEST           99   08/03
                       08/06
LOWEST            34   08/30
AVG. MAXIMUM    88.4               86.7     1.7
AVG. MINIMUM    51.5               51.4     0.1
MEAN            70.0               69.0     1.0
DAYS MAX >= 90    14
DAYS MAX <= 32     0
DAYS MIN <= 32     0
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        2.79   1941
 MINIMUM        0.02   1950
TOTALS          0.39               0.79   -0.40     1.01
DAILY AVG.      0.01               0.03   -0.02
DAYS >= .01        4
DAYS >= .10        2
DAYS >= .50        0
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.20   08/25 TO 08/26
 STORM TOTAL    0.15

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

DEGREE DAYS
HEATING TOTAL     22                 31      -9
 SINCE 7/1        38                 42      -4
COOLING TOTAL    184                157      27
 SINCE 1/1       475                412      63
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.9
RESULTANT WIND SPEED/DIRECTION   3/230
HIGHEST WIND SPEED/DIRECTION    41/230    DATE  08/25
HIGHEST GUST SPEED/DIRECTION    58/240    DATE  08/25

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.14
NUMBER OF DAYS FAIR           29
NUMBER OF DAYS PC              1
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     47

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              7     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       3
LIGHT RAIN               14     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      0
HAZE                      3

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

LOOKING AHEAD TO SEPTEMBER 2024. THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 82 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 47 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 68
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 37. THE AVERAGE MONTHLY
PRECIPITATION IS 0.95 INCHES. THE AVERAGE SNOWFALL IS 1.5 INCHES.

$$