Climatological Report (Daily)
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899
CDUS45 KRIW 140045
CLILND

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT WED MAY 13 2026

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

...THE LANDER WY CLIMATE SUMMARY FOR MAY 13 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         89R  2:02 PM  86    1988  65     24       70
                                      2001
                                      2013
  MINIMUM         45   5:06 AM  25    1933  39      6       43
  AVERAGE         67                        52     15       57

PRECIPITATION (IN)
  TODAY            0.00          0.71 1908   0.09  -0.09      T
  MONTH TO DATE    0.35                      1.15  -0.80     1.24
  SINCE MAR 1      2.74                      4.51  -1.77     6.84
  SINCE JAN 1      3.15                      5.72  -2.57     7.92

SNOWFALL (IN)
  TODAY           MM                         0.2   MM        0.0
  MONTH TO DATE    3.7                       3.2    0.5      3.4
  SINCE MAR 1     21.1                      34.0  -12.9     48.7
  SINCE JUL 1     29.3                      86.2  -56.9     79.0
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  TODAY            0                        13    -13        8
  MONTH TO DATE  138                       203    -65      138
  SINCE MAR 1   1260                      1754   -494     1597
  SINCE JUL 1   5343                      7405  -2062     6626

 COOLING
  TODAY            2                         0      2        0
  MONTH TO DATE    2                         0      2        4
  SINCE MAR 1      3                         0      3        4
  SINCE JAN 1      3                         0      3        4
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    47   HIGHEST WIND DIRECTION    SW (230)
  HIGHEST GUST SPEED    64   HIGHEST GUST DIRECTION    SW (240)
  AVERAGE WIND SPEED     8.9


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    61
 LOWEST      9
 AVERAGE    35

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


THE LANDER WY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   65        85      1936
                                             1987
 MINIMUM TEMPERATURE (F)   39        24      1907


SUNRISE AND SUNSET
MAY 13 2026...........SUNRISE   5:54 AM MDT   SUNSET   8:29 PM MDT
MAY 14 2026...........SUNRISE   5:53 AM MDT   SUNSET   8:30 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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