742
CXUS55 KRIW 011632
CLMRIW

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1032 AM MDT MON JUN 01 2026

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

...THE RIVERTON WY CLIMATE SUMMARY FOR THE MONTH OF MAY 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1995 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             93   05/29/2003
 LOW              19   05/09/2002
HIGHEST           91   05/13
LOWEST            25   05/06
AVG. MAXIMUM    70.5               66.8     3.7
AVG. MINIMUM    41.1               39.5     1.6
MEAN            55.8               53.2     2.6
DAYS MAX >= 90     1
DAYS MAX <= 32     0
DAYS MIN <= 32     6
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        5.32   2011
 MINIMUM        0.18   2006
TOTALS          0.59               1.92   -1.33     1.14
DAILY AVG.      0.02               0.06   -0.04
DAYS >= .01        5
DAYS >= .10        2
DAYS >= .50        0
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.29   05/21 TO 05/21
 STORM TOTAL    0.29

SNOWFALL (INCHES)
TOTALS           0.8                 MM      MM
SINCE 7/1       16.4                 MM      MM
SNOWDEPTH AVG.     T
DAYS >= 1.0        0

DEGREE DAYS
HEATING TOTAL    302                375     -73
 SINCE 7/1      5720               7812   -2092
COOLING TOTAL     23                  8      15
 SINCE 1/1        23                  8      15
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              10.3
RESULTANT WIND SPEED/DIRECTION   3/300
HIGHEST WIND SPEED/DIRECTION    45/260    DATE  05/13
HIGHEST GUST SPEED/DIRECTION    60/250    DATE  05/13

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.21
NUMBER OF DAYS FAIR           25
NUMBER OF DAYS PC              4
NUMBER OF DAYS CLOUDY          2

AVERAGE RH (PERCENT)     45

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN               10     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                4     SLEET                      0
FOG                       3     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.

$$