Climatological Report (Daily)
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186
CDUS45 KRIW 130045
CLILND

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT WED AUG 12 2026

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

...THE LANDER WY CLIMATE SUMMARY FOR AUGUST 12 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         77        MM  99    1996  87    -10       90
  MINIMUM         66        MM  39    1907  55     11       54
  AVERAGE         72                        71      1       72

PRECIPITATION (IN)
  TODAY            0.01          1.23 1930   0.01   0.00     0.00
  MONTH TO DATE    0.01                      0.23  -0.22      T
  SINCE JUN 1      1.09                      1.90  -0.81     0.98
  SINCE JAN 1      5.78                      9.15  -3.37     9.54

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

DEGREE DAYS
 HEATING
  TODAY            0                         0      0        0
  MONTH TO DATE    2                         0      2        2
  SINCE JUN 1     77                       138    -61       92
  SINCE JUL 1      2                        14    -12        4

 COOLING
  TODAY            7                         6      1        7
  MONTH TO DATE  122                        87     35       72
  SINCE JUN 1    533                       360    173      396
  SINCE JAN 1    547                       365    182      404
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    NW (330)
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED     7.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    59
 LOWEST     22
 AVERAGE    41

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


THE LANDER WY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   87        97      2007
 MINIMUM TEMPERATURE (F)   55        41      2002


SUNRISE AND SUNSET
AUGUST 12 2026........SUNRISE   6:18 AM MDT   SUNSET   8:21 PM MDT
AUGUST 13 2026........SUNRISE   6:19 AM MDT   SUNSET   8:20 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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