Climatological Report (Daily)
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686
CDUS45 KRIW 310730
CLILND

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
130 AM MDT SUN MAY 31 2026

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

...THE LANDER WY CLIMATE SUMMARY FOR MAY 30 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         72  12:38 PM  90    1984  72      0       83
  MINIMUM         50   3:58 AM  30    1982  44      6       52
  AVERAGE         61                        58      3

PRECIPITATION (IN)
  YESTERDAY        0.04          1.79 1989   0.08  -0.04     0.00
  MONTH TO DATE    1.89                      2.61  -0.72     1.88
  SINCE MAR 1      4.28                      5.97  -1.69     7.48
  SINCE JAN 1      4.69                      7.18  -2.49     8.56

SNOWFALL (IN)
  YESTERDAY        0.0           1.1  2011   0.1   -0.1      0.0
  MONTH TO DATE   12.5                       4.5    8.0      3.4
  SINCE MAR 1     29.9                      35.3   -5.4     48.7
  SINCE JUL 1     38.1                      87.5  -49.4     79.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        4                         8     -4        0
  MONTH TO DATE  302                       378    -76      324
  SINCE MAR 1   1424                      1929   -505     1783
  SINCE JUL 1   5507                      7580  -2073     6812

 COOLING
  YESTERDAY        0                         0      0        3
  MONTH TO DATE   13                         0     13        7
  SINCE MAR 1     14                         0     14        7
  SINCE JAN 1     14                         0     14        7
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    29   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    37   HIGHEST GUST DIRECTION     S (180)
  AVERAGE WIND SPEED     7.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86           4:00 AM
 LOWEST     28           4:00 PM
 AVERAGE    57

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


THE LANDER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   72        88      2020
 MINIMUM TEMPERATURE (F)   44        26      1919


SUNRISE AND SUNSET
MAY 31 2026...........SUNRISE   5:40 AM MDT   SUNSET   8:46 PM MDT
JUNE  1 2026..........SUNRISE   5:39 AM MDT   SUNSET   8:47 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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