Climatological Report (Daily)
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428
CDUS45 KRIW 180728
CLILND

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT SAT OCT 18 2025

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

...THE LANDER WY CLIMATE SUMMARY FOR OCTOBER 17 2025...

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)
 YESTERDAY
  MAXIMUM         60   3:28 PM  76    1926  58      2       61
                                      1974
                                      2023
  MINIMUM         32   5:05 AM   9    1925  32      0       41
  AVERAGE         46                        45      1

PRECIPITATION (IN)
  YESTERDAY        0.00          1.03 1994   0.05  -0.05     0.02
  MONTH TO DATE    1.44                      0.87   0.57     0.02
  SINCE SEP 1      2.64                      1.85   0.79     0.42
  SINCE JAN 1     12.65                     11.29   1.36     7.44

SNOWFALL (IN)
  YESTERDAY        0.0           3.6  1994   0.4   -0.4      0.0
  MONTH TO DATE    T                         5.3   -5.3      0.0
  SINCE SEP 1      T                         6.8   -6.8      0.0
  SINCE JUL 1      T                         6.8   -6.8      0.0
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  YESTERDAY       19                        20     -1       14
  MONTH TO DATE  240                       281    -41       99
  SINCE SEP 1    339                       476   -137      183
  SINCE JUL 1    344                       515   -171      201

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE SEP 1     42                        32     10       83
  SINCE JAN 1    569                       484     85      644
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    SW (230)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     S (180)
  AVERAGE WIND SPEED     4.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           1:00 AM
 LOWEST     33           3:00 PM
 AVERAGE    65

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


THE LANDER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   58        80      1958
 MINIMUM TEMPERATURE (F)   31         9      1917


SUNRISE AND SUNSET
OCTOBER 18 2025.......SUNRISE   7:32 AM MDT   SUNSET   6:27 PM MDT
OCTOBER 19 2025.......SUNRISE   7:33 AM MDT   SUNSET   6:25 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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