Climatological Report (Daily)
Issued by NWS Riverton, WY

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319
CDUS45 KRIW 300730
CLIRIW

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
130 AM MDT SUN AUG 30 2026

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

...THE RIVERTON WY CLIMATE SUMMARY FOR AUGUST 29 2026...

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


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         73   4:40 PM  96    2012  82     -9       77
  MINIMUM         60  11:59 PM  43    2021  50     10       53
  AVERAGE         67                        66      1       65

PRECIPITATION (IN)
  YESTERDAY        T             0.01        0.01  -0.01     0.00
  MONTH TO DATE    0.68                      0.39   0.29     0.50
  SINCE JUN 1      1.54                      1.87  -0.33     1.71
  SINCE JAN 1      2.97                      6.33  -3.36     6.23

SNOWFALL (IN)
  YESTERDAY        0.0           0.0  2020                   0.0
  MONTH TO DATE    0.0                                       0.0
  SINCE JUN 1      0.0                                       0.0
  SINCE JUL 1      0.0                                       0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         2     -2        0
  MONTH TO DATE    2                        20    -18        3
  SINCE JUN 1     72                       145    -73       81
  SINCE JUL 1      2                        30    -28        3

 COOLING
  YESTERDAY        2                         3     -1        0
  MONTH TO DATE  247                       164     83      182
  SINCE JUN 1    687                       455    232      567
  SINCE JAN 1    710                       463    247      573
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    29   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    38   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED     7.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           3:00 AM
 LOWEST     45           6:00 PM
 AVERAGE    71

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


THE RIVERTON WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   81        92      1999
                                             2008
                                             2013
 MINIMUM TEMPERATURE (F)   50        42      2020


SUNRISE AND SUNSET
AUGUST 30 2026........SUNRISE   6:36 AM MDT   SUNSET   7:52 PM MDT
AUGUST 31 2026........SUNRISE   6:37 AM MDT   SUNSET   7:50 PM MDT


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




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