Climatological Report (Daily)
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231
CDUS45 KRIW 280045
CLILND

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT SUN SEP 27 2026

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

...THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 27 2026...
VALID TODAY AS OF 0600 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1891 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         74   4:16 PM  87    2001  69      5       77
  MINIMUM         49   3:40 AM  19    1908  40      9       48
  AVERAGE         62                        54      8       63

PRECIPITATION (IN)
  TODAY            0.00          2.87 1923   0.04  -0.04     0.00
  MONTH TO DATE    2.08                      0.84   1.24     1.15
  SINCE SEP 1      2.08                      0.84   1.24     1.15
  SINCE JAN 1      8.44                     10.28  -1.84    11.16

SNOWFALL (IN)
  TODAY           MM                         0.1   MM        0.0
  MONTH TO DATE    0.0                       1.1   -1.1      0.0
  SINCE SEP 1      0.0                       1.1   -1.1      0.0
  SINCE JUL 1      0.0                       1.1   -1.1      0.0
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  TODAY            3                        11     -8        2
  MONTH TO DATE   68                       159    -91       94
  SINCE SEP 1     68                       159    -91       94
  SINCE JUL 1     71                       198   -127       99

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE   44                        31     13       42
  SINCE SEP 1     44                        31     13       42
  SINCE JAN 1    714                       483    231      569
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    NW (330)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED     7.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    56
 LOWEST     31
 AVERAGE    44

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


THE LANDER WY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   68        89      2010
 MINIMUM TEMPERATURE (F)   40        22      1985


SUNRISE AND SUNSET
SEPTEMBER 27 2026.....SUNRISE   7:08 AM MDT   SUNSET   7:03 PM MDT
SEPTEMBER 28 2026.....SUNRISE   7:09 AM MDT   SUNSET   7:01 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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