Climatological Report (Daily)
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822
CDUS45 KRIW 200045
CLILND

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT TUE AUG 19 2025

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

...THE LANDER WY CLIMATE SUMMARY FOR AUGUST 19 2025...
VALID TODAY AS OF 0600 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1891 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         97R  3:19 PM  96    2013  85     12       93
  MINIMUM         56   5:56 AM  38    1912  53      3       63
  AVERAGE         77                        69      8       78

PRECIPITATION (IN)
  TODAY            0.00          1.00 1979   0.02  -0.02     0.00
  MONTH TO DATE    0.05                      0.34  -0.29     0.45
  SINCE JUN 1      1.03                      2.01  -0.98     0.87
  SINCE JAN 1      9.59                      9.26   0.33     6.73

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                         1     -1        0
  MONTH TO DATE    2                         5     -3        1
  SINCE JUN 1     92                       143    -51       42
  SINCE JUL 1      4                        19    -15        7

 COOLING
  TODAY           12                         5      7       13
  MONTH TO DATE  140                       127     13      135
  SINCE JUN 1    464                       400     64      500
  SINCE JAN 1    472                       405     67      500
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     E (110)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     E (110)
  AVERAGE WIND SPEED     6.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    34
 LOWEST      8
 AVERAGE    21

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


THE LANDER WY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   85        94      2003
                                             2019
                                             2024
 MINIMUM TEMPERATURE (F)   53        38      1964


SUNRISE AND SUNSET
AUGUST 19 2025........SUNRISE   6:26 AM MDT   SUNSET   8:10 PM MDT
AUGUST 20 2025........SUNRISE   6:27 AM MDT   SUNSET   8:09 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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