Climatological Report (Daily)
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654
CDUS45 KRIW 150734
CLILND

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
134 AM MDT FRI MAY 15 2026

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

...THE LANDER WY CLIMATE SUMMARY FOR MAY 14 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         73   4:36 PM  85    1936  65      8       58
                                      1987
  MINIMUM         50   6:32 AM  24    1907  39     11       40
  AVERAGE         62                        52     10

PRECIPITATION (IN)
  YESTERDAY        0.00          1.20 1958   0.09  -0.09     0.03
                                      1989
  MONTH TO DATE    0.35                      1.24  -0.89     1.27
  SINCE MAR 1      2.74                      4.60  -1.86     6.87
  SINCE JAN 1      3.15                      5.81  -2.66     7.95

SNOWFALL (IN)
  YESTERDAY        0.0           0.5  1967   0.1   -0.1      0.0
  MONTH TO DATE    3.7                       3.3    0.4      3.4
  SINCE MAR 1     21.1                      34.1  -13.0     48.7
  SINCE JUL 1     29.3                      86.3  -57.0     79.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        3                        13    -10       16
  MONTH TO DATE  141                       216    -75      154
  SINCE MAR 1   1263                      1767   -504     1613
  SINCE JUL 1   5346                      7418  -2072     6642

 COOLING
  YESTERDAY        0                         0      0        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    30   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED    43   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED    12.5


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    39           1:00 AM
 LOWEST      9           1:00 PM
 AVERAGE    24

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


THE LANDER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   66        85      1987
 MINIMUM TEMPERATURE (F)   39        19      1896


SUNRISE AND SUNSET
MAY 15 2026...........SUNRISE   5:52 AM MDT   SUNSET   8:31 PM MDT
MAY 16 2026...........SUNRISE   5:51 AM MDT   SUNSET   8:32 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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