Climatological Report (Daily)
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690
CDUS45 KRIW 220045
CLILND

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT WED OCT 21 2026

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

...THE LANDER WY CLIMATE SUMMARY FOR OCTOBER 21 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         65   4:40 PM  82    2003  56      9       63
  MINIMUM         39   6:59 AM   6    1932  30      9       28
  AVERAGE         52                        43      9       46

PRECIPITATION (IN)
  TODAY            0.00          0.71 1931   0.04  -0.04     0.00
  MONTH TO DATE    0.74                      1.04  -0.30     1.45
  SINCE SEP 1      2.92                      2.02   0.90     2.65
  SINCE JAN 1      9.28                     11.46  -2.18    12.66

SNOWFALL (IN)
  TODAY           MM                         0.3   MM        0.0
  MONTH TO DATE    0.0                       6.8   -6.8       T
  SINCE SEP 1      0.0                       8.3   -8.3       T
  SINCE JUL 1      0.0                       8.3   -8.3       T
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  TODAY           13                        22     -9       19
  MONTH TO DATE  208                       366   -158      321
  SINCE SEP 1    297                       561   -264      420
  SINCE JUL 1    300                       600   -300      425

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    4                         0      4        0
  SINCE SEP 1     48                        32     16       42
  SINCE JAN 1    718                       484    234      569
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION    SW (230)
  HIGHEST GUST SPEED    11   HIGHEST GUST DIRECTION    SW (240)
  AVERAGE WIND SPEED     2.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    82
 LOWEST     38
 AVERAGE    60

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


THE LANDER WY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   56        75      1954
                                             2003
 MINIMUM TEMPERATURE (F)   30        11      1936


SUNRISE AND SUNSET
OCTOBER 21 2026.......SUNRISE   7:36 AM MDT   SUNSET   6:23 PM MDT
OCTOBER 22 2026.......SUNRISE   7:37 AM MDT   SUNSET   6:21 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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