Climatological Report (Daily)
Issued by NWS Riverton, WY

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708
CDUS45 KRIW 130732
CLIRIW

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
132 AM MDT SUN SEP 13 2026

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

...THE RIVERTON WY CLIMATE SUMMARY FOR SEPTEMBER 12 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         76   4:27 PM  88    2017  76      0       75
                                      2018
  MINIMUM         43   6:06 AM  28    2014  46     -3       52
  AVERAGE         60                        61     -1       64

PRECIPITATION (IN)
  YESTERDAY        0.00          0.99        0.02  -0.02      T
  MONTH TO DATE    T                         0.22  -0.22      T
  SINCE SEP 1      T                         0.22  -0.22      T
  SINCE JAN 1      2.97                      6.58  -3.61     6.25

SNOWFALL (IN)
  YESTERDAY        0.0           0.0  2020                   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        5                         5      0        1
  MONTH TO DATE    8                        46    -38       13
  SINCE SEP 1      8                        46    -38       13
  SINCE JUL 1     10                        82    -72       16

 COOLING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE   42                        22     20       36
  SINCE SEP 1     42                        22     20       36
  SINCE JAN 1    755                       490    265      610
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     E (80)
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION     E (80)
  AVERAGE WIND SPEED     7.5


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    76           6:00 AM
 LOWEST     28           4:00 PM
 AVERAGE    52

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


THE RIVERTON WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   76        90      2015
 MINIMUM TEMPERATURE (F)   46        31      2014


SUNRISE AND SUNSET
SEPTEMBER 13 2026.....SUNRISE   6:51 AM MDT   SUNSET   7:27 PM MDT
SEPTEMBER 14 2026.....SUNRISE   6:52 AM MDT   SUNSET   7:25 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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