Climatological Report (Daily)
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971
CDUS45 KRIW 290045
CLILND

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT MON SEP 28 2026

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

...THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 28 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         63   3:21 AM  89    2010  68     -5       78
  MINIMUM         52   2:31 PM  22    1985  40     12       51
  AVERAGE         58                        54      4       65

PRECIPITATION (IN)
  TODAY            0.10          1.37 2014   0.05   0.05     0.05
  MONTH TO DATE    2.18                      0.89   1.29     1.20
  SINCE SEP 1      2.18                      0.89   1.29     1.20
  SINCE JAN 1      8.54                     10.33  -1.79    11.21

SNOWFALL (IN)
  TODAY           MM                         0.2   MM        0.0
  MONTH TO DATE    0.0                       1.3   -1.3      0.0
  SINCE SEP 1      0.0                       1.3   -1.3      0.0
  SINCE JUL 1      0.0                       1.3   -1.3      0.0
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  TODAY            7                        11     -4        0
  MONTH TO DATE   75                       170    -95       94
  SINCE SEP 1     75                       170    -95       94
  SINCE JUL 1     78                       209   -131       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    28   HIGHEST WIND DIRECTION    SW (230)
  HIGHEST GUST SPEED    40   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED     5.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86
 LOWEST     44
 AVERAGE    65

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


THE LANDER WY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   68        90      2024
 MINIMUM TEMPERATURE (F)   39        23      1985


SUNRISE AND SUNSET
SEPTEMBER 28 2026.....SUNRISE   7:09 AM MDT   SUNSET   7:01 PM MDT
SEPTEMBER 29 2026.....SUNRISE   7:10 AM MDT   SUNSET   6:59 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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