Climatological Report (Monthly)
Issued by NWS

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CXUS55 KRIW 011835
CLMCPR

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

...................................

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

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1939 TO 2023

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           95   08/16
                       08/17
LOWEST            36   08/31
AVG. MAXIMUM    84.5               86.7    -2.2
AVG. MINIMUM    51.8               51.4     0.4
MEAN            68.1               69.0    -0.9
DAYS MAX >= 90     9
DAYS MAX <= 32     0
DAYS MIN <= 32     0
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        2.79   1941
 MINIMUM        0.02   1950
TOTALS          1.01               0.79    0.22     1.99
DAILY AVG.      0.03               0.03    0.00
DAYS >= .01       11
DAYS >= .10        4
DAYS >= .50        0
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.29   08/08 TO 08/08
 STORM TOTAL    0.29

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     30                 31      -1
 SINCE 7/1        53                 42      11
COOLING TOTAL    136                157     -21
 SINCE 1/1       322                412     -90
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              8.7
RESULTANT WIND SPEED/DIRECTION   4/250
HIGHEST WIND SPEED/DIRECTION    46/290    DATE  08/27
HIGHEST GUST SPEED/DIRECTION    64/280    DATE  08/27

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.19
NUMBER OF DAYS FAIR           24
NUMBER OF DAYS PC              7
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     56

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             11     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       4
LIGHT RAIN               15     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       9     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.

$$


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