Climatological Report (Daily)
Issued by NWS
Issued by NWS
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035
CDUS45 KRIW 130045
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT TUE MAY 12 2026
...................................
...THE LANDER WY CLIMATE SUMMARY FOR MAY 12 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 78 4:55 PM 86 1960 65 13 82
MINIMUM 47 3:05 AM 19 1953 38 9 52
AVERAGE 63 51 12 67
PRECIPITATION (IN)
TODAY 0.00 0.95 1935 0.10 -0.10 0.00
MONTH TO DATE 0.35 1.06 -0.71 1.24
SINCE MAR 1 2.74 4.42 -1.68 6.84
SINCE JAN 1 3.15 5.63 -2.48 7.92
SNOWFALL (IN)
TODAY MM 0.1 MM 0.0
MONTH TO DATE 3.7 3.0 0.7 3.4
SINCE MAR 1 21.1 33.8 -12.7 48.7
SINCE JUL 1 29.3 86.0 -56.7 79.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 2 14 -12 0
MONTH TO DATE 138 190 -52 130
SINCE MAR 1 1260 1741 -481 1589
SINCE JUL 1 5343 7392 -2049 6618
COOLING
TODAY 0 0 0 2
MONTH TO DATE 0 0 0 4
SINCE MAR 1 1 0 1 4
SINCE JAN 1 1 0 1 4
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 6.0
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 54
LOWEST 22
AVERAGE 38
..........................................................
THE LANDER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 86 1988
2001
2013
MINIMUM TEMPERATURE (F) 39 25 1933
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.
$$