634
CXUS55 KRIW 011655
CLMRIW

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1055 AM MDT FRI MAY 01 2026

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

...THE RIVERTON WY CLIMATE SUMMARY FOR THE MONTH OF APRIL 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             85   04/24/2012
 LOW               2   04/03/2020
HIGHEST           80   04/21
LOWEST            22   04/04
AVG. MAXIMUM    59.5               56.8     2.7
AVG. MINIMUM    31.3               30.1     1.2
MEAN            45.4               43.5     1.9
DAYS MAX >= 90     0
DAYS MAX <= 32     0
DAYS MIN <= 32    18
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        3.31   2016
 MINIMUM        0.10   2007
TOTALS          0.42               1.20   -0.78     1.16
DAILY AVG.      0.01               0.04   -0.03
DAYS >= .01        7
DAYS >= .10        1
DAYS >= .50        0
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.21   04/26 TO 04/26
 STORM TOTAL    0.21

SNOWFALL (INCHES)
TOTALS           4.3                 MM      MM
SINCE 7/1       15.6                 MM      MM
SNOWDEPTH AVG.     0
DAYS >= 1.0        3

DEGREE DAYS
HEATING TOTAL    582                647     -65
 SINCE 7/1      5418               7435   -2017
COOLING TOTAL      0                  0       0
 SINCE 1/1         0                  0       0
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              10.3
RESULTANT WIND SPEED/DIRECTION   5/290
HIGHEST WIND SPEED/DIRECTION    46/260    DATE  04/22
HIGHEST GUST SPEED/DIRECTION    60/250    DATE  04/11

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.34
NUMBER OF DAYS FAIR           11
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY          2

AVERAGE RH (PERCENT)     48

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                6     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       3
LIGHT SNOW                7     SLEET                      0
FOG                       5     FOG W/VIS <= 1/4 MILE      1
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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