866
CXUS55 KRIW 011719
CLMCPR

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1108 AM MDT FRI AUG 01 2025

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR CASPER FOR THE MONTH OF
JULY 2025

...OFFICIAL CLIMATE DATA FOR THE MONTH OF JULY 2025 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

...JULY WAS SLIGHTLY WARMER AND DRIER THAN NORMAL FOR CASPER...

AVERAGE TEMPERATURE FOR CASPER IN JULY WAS 71.9 DEGREES WHICH IS 0.9
DEGREE ABOVE NORMAL. THE WARMEST READING OF THE MONTH WAS 100
DEGREES ON THE 9TH AND 14TH. THE 9TH BROKE THE 2022 RECORD OF 99
DEGREES. (ALSO 2005, 1976 AND 1954). THE COLDEST READING FOR THE
MONTH WAS 41 DEGREES ON THE 12TH.

TOTAL PRECIPITATION FOR THE MONTH WAS 1.14 INCHES...WHICH IS 96
PERCENT OF NORMAL. THE WETTEST 24-HOUR PERIOD DURING THE MONTH WAS
ON THE 29TH WITH 0.50 INCHES. NO PRECIPITATION RECORDS WERE BROKEN
THIS MONTH. THE HIGHEST WIND GUST WAS 65 MPH FROM THE NORTHWEST ON
THE 29TH.

...THE CASPER WY CLIMATE SUMMARY FOR THE MONTH OF JULY 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1939 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH            104   07/29/2006
                       07/16/2005
                       07/12/1954
 LOW              30   07/04/1972
HIGHEST          100   07/09
                       07/14
LOWEST            41   07/12
AVG. MAXIMUM    90.5               89.0     1.5
AVG. MINIMUM    53.2               53.0     0.2
MEAN            71.9               71.0     0.9
DAYS MAX >= 90    19
DAYS MAX <= 32     0
DAYS MIN <= 32     0
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        3.54   2007
 MINIMUM        0.02   2020
TOTALS          1.14               1.19   -0.05     0.53
DAILY AVG.      0.04               0.04    0.00
DAYS >= .01        7
DAYS >= .10        3
DAYS >= .50        1
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.50   07/29 TO 07/29
 STORM TOTAL    0.50

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      5                 14      -9
 SINCE 7/1         5                  9      -4
COOLING TOTAL    227                200      27
 SINCE 1/1       302                255      47
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.1
RESULTANT WIND SPEED/DIRECTION   1/260
HIGHEST WIND SPEED/DIRECTION    43/340    DATE  07/29
HIGHEST GUST SPEED/DIRECTION    65/320    DATE  07/29

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.15
NUMBER OF DAYS FAIR           26
NUMBER OF DAYS PC              4
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     48

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              9     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       3
LIGHT RAIN               13     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 AUGUST 2025. THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 90 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 55 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 83
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 47. THE AVERAGE MONTHLY
PRECIPITATION IS 0.79 INCHES.

$$