Climatological Report (Daily)
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259
CDUS45 KRIW 110731
CLILND

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
131 AM MDT TUE AUG 11 2026

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

...THE LANDER WY CLIMATE SUMMARY FOR AUGUST 10 2026...

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)
 YESTERDAY
  MAXIMUM         96   1:37 PM  99    2022  87      9       81
  MINIMUM         62   6:40 AM  41    1895  55      7       49
                                      1939
                                      1974
  AVERAGE         79                        71      8

PRECIPITATION (IN)
  YESTERDAY        T             0.43 1908   0.02  -0.02     0.00
  MONTH TO DATE    T                         0.20  -0.20      T
  SINCE JUN 1      1.08                      1.87  -0.79     0.98
  SINCE JAN 1      5.77                      9.12  -3.35     9.54

SNOWFALL (IN)
  YESTERDAY        0.0           0.0  2020   0.0    0.0      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       0

DEGREE DAYS
 HEATING
  YESTERDAY        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
  YESTERDAY       14                         7      7        0
  MONTH TO DATE  100                        74     26       61
  SINCE JUN 1    511                       347    164      385
  SINCE JAN 1    525                       352    173      393
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    29   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    44   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED     9.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    34           6:00 AM
 LOWEST     11           1:00 PM
 AVERAGE    23

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


THE LANDER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   87        98      2018
 MINIMUM TEMPERATURE (F)   55        35      1907


SUNRISE AND SUNSET
AUGUST 11 2026........SUNRISE   6:17 AM MDT   SUNSET   8:22 PM MDT
AUGUST 12 2026........SUNRISE   6:18 AM MDT   SUNSET   8:21 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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