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113
CDUS45 KRIW 120728
CLILND

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT SAT SEP 12 2026

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

...THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 11 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         85   2:37 PM  88    1919  77      8       84
                                      1990
  MINIMUM         53  11:59 PM  26    1898  46      7       60
  AVERAGE         69                        62      7

PRECIPITATION (IN)
  YESTERDAY        0.00          1.31 1903   0.03  -0.03      T
  MONTH TO DATE    T                         0.24  -0.24     0.02
  SINCE SEP 1      T                         0.24  -0.24     0.02
  SINCE JAN 1      6.36                      9.68  -3.32    10.03

SNOWFALL (IN)
  YESTERDAY        0.0           3.0  1974   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.1   -0.1      0.0
  SINCE SEP 1      0.0                       0.1   -0.1      0.0
  SINCE JUL 1      0.0                       0.1   -0.1      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         5     -5        0
  MONTH TO DATE    2                        38    -36       11
  SINCE SEP 1      2                        38    -36       11
  SINCE JUL 1      5                        77    -72       16

 COOLING
  YESTERDAY        4                         1      3        7
  MONTH TO DATE   39                        23     16       40
  SINCE SEP 1     39                        23     16       40
  SINCE JAN 1    709                       475    234      567
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED    10.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    57          11:00 PM
 LOWEST     14           5:00 PM
 AVERAGE    36

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


THE LANDER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   77        94      1990
 MINIMUM TEMPERATURE (F)   46        26      1902


SUNRISE AND SUNSET
SEPTEMBER 12 2026.....SUNRISE   6:52 AM MDT   SUNSET   7:30 PM MDT
SEPTEMBER 13 2026.....SUNRISE   6:53 AM MDT   SUNSET   7:28 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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