Climatological Report (Daily)
Issued by NWS Riverton, WY

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CDUS45 KRIW 010732
CLIRIW

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
132 AM MDT THU OCT 01 2026

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

...THE RIVERTON WY CLIMATE SUMMARY FOR SEPTEMBER 30 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         75   3:30 PM  83    2023  66      9       76
  MINIMUM         46   6:27 AM  30    2021  39      7       50
  AVERAGE         61                        52      9       63

PRECIPITATION (IN)
  YESTERDAY        0.00          0.35        0.03  -0.03      T
  MONTH TO DATE    1.55                      0.77   0.78     0.99
  SINCE SEP 1      1.55                      0.77   0.78     0.99
  SINCE JAN 1      4.52                      7.13  -2.61     7.24

SNOWFALL (IN)
  YESTERDAY        0.0           1.2  2009                   0.0
  MONTH TO DATE    0.0                                       0.0
  SINCE SEP 1      0.0                                       0.0
  SINCE JUL 1      0.0                                       0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        4                        13     -9        2
  MONTH TO DATE   85                       205   -120       97
  SINCE SEP 1     85                       205   -120       97
  SINCE JUL 1     87                       241   -154      100

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE   44                        31     13       37
  SINCE SEP 1     44                        31     13       37
  SINCE JAN 1    757                       499    258      611
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    NW (310)
  AVERAGE WIND SPEED     6.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    71           4:00 AM
 LOWEST     24           3:00 PM
 AVERAGE    48

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


THE RIVERTON WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   66        84      2005
 MINIMUM TEMPERATURE (F)   38        30      2002


SUNRISE AND SUNSET
OCTOBER  1 2026.......SUNRISE   7:11 AM MDT   SUNSET   6:55 PM MDT
OCTOBER  2 2026.......SUNRISE   7:12 AM MDT   SUNSET   6:53 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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