Climatological Report (Daily)
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098
CDUS45 KRIW 120732
CLILND

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
132 AM MDT TUE MAY 12 2026

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

...THE LANDER WY CLIMATE SUMMARY FOR MAY 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         84R  3:24 PM  84    1940  64     20       79
  MINIMUM         46   5:55 AM  19    1946  38      8       55
  AVERAGE         65                        51     14

PRECIPITATION (IN)
  YESTERDAY        0.00          2.03 2010   0.08  -0.08     0.01
  MONTH TO DATE    0.35                      0.96  -0.61     1.24
  SINCE MAR 1      2.74                      4.32  -1.58     6.84
  SINCE JAN 1      3.15                      5.53  -2.38     7.92

SNOWFALL (IN)
  YESTERDAY        0.0          14.2  1983   0.2   -0.2      0.0
  MONTH TO DATE    3.7                       2.9    0.8      3.4
  SINCE MAR 1     21.1                      33.7  -12.6     48.7
  SINCE JUL 1     29.3                      85.9  -56.6     79.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                        14    -14        0
  MONTH TO DATE  136                       176    -40      130
  SINCE MAR 1   1258                      1727   -469     1589
  SINCE JUL 1   5341                      7378  -2037     6618

 COOLING
  YESTERDAY        0                         0      0        2
  MONTH TO DATE    0                         0      0        2
  SINCE MAR 1      1                         0      1        2
  SINCE JAN 1      1                         0      1        2
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    29   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    38   HIGHEST GUST DIRECTION    NW (310)
  AVERAGE WIND SPEED     8.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    53           6:00 AM
 LOWEST      9          12:00 PM
 AVERAGE    31

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


THE LANDER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   65        86      1960
 MINIMUM TEMPERATURE (F)   38        19      1953


SUNRISE AND SUNSET
MAY 12 2026...........SUNRISE   5:55 AM MDT   SUNSET   8:28 PM MDT
MAY 13 2026...........SUNRISE   5:54 AM MDT   SUNSET   8:29 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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