Climatological Report (Monthly)
Issued by NWS

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CXUS55 KRIW 012058
CLMBYG

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
258 PM MDT MON SEP 01 2025

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

...THE BUFFALO WY CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH            103   08/03/2001
 LOW              36   08/23/2015
                       08/17/2002
                       08/26/1992
HIGHEST           99   08/20
LOWEST            46   08/09
AVG. MAXIMUM    82.1               83.2    -1.1
AVG. MINIMUM    56.2               56.7    -0.5
MEAN            69.1               69.9    -0.8
DAYS MAX >= 90     4
DAYS MAX <= 32     0
DAYS MIN <= 32     0
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        2.60   2014
 MINIMUM        0.02   2001
TOTALS          0.32               0.75   -0.43     1.36
DAILY AVG.      0.01               0.02   -0.01
DAYS >= .01        7
DAYS >= .10        1
DAYS >= .50        0
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.18   08/28 TO 08/28
 STORM TOTAL    0.18


DEGREE DAYS
HEATING TOTAL     22                 37     -15
 SINCE 7/1        41                 56     -15
COOLING TOTAL    157                190     -33
 SINCE 1/1       445                468     -23
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              8.4
RESULTANT WIND SPEED/DIRECTION   2/300
HIGHEST WIND SPEED/DIRECTION    39/320    DATE  08/13
HIGHEST GUST SPEED/DIRECTION    56/340    DATE  08/21

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.18
NUMBER OF DAYS FAIR           26
NUMBER OF DAYS PC              2
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     48

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             10     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN               15     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                      0

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

$$