383
CDUS45 KRIW 180045
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT SUN MAY 17 2026
...............................
..THE LANDER WY CLIMATE SUMMARY FOR MAY 17 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 54 12:10 AM 86 1948 67 -13 68
MINIMUM 36 5:21 AM 23 1910 40 -4 36
AVERAGE 45 53 -8 52
PRECIPITATION (IN)
TODAY 0.02 1.18 2000 0.09 -0.07 0.00
MONTH TO DATE 0.37 1.52 -1.15 1.34
SINCE MAR 1 2.76 4.88 -2.12 6.94
SINCE JAN 1 3.17 6.09 -2.92 8.02
SNOWFALL (IN)
TODAY MM 0.0 MM 0.0
MONTH TO DATE 3.7 3.6 0.1 3.4
SINCE MAR 1 21.1 34.4 -13.3 48.7
SINCE JUL 1 29.3 86.6 -57.3 79.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 20 12 8 13
MONTH TO DATE 173 253 -80 202
SINCE MAR 1 1295 1804 -509 1661
SINCE JUL 1 5378 7455 -2077 6690
COOLING
TODAY 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 14 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 4.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89
LOWEST 21
AVERAGE 55
......................................................
THE LANDER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 86 1901
2006
2020
MINIMUM TEMPERATURE (F) 40 22 1896
SUNRISE AND SUNSET
MAY 17 2026...........SUNRISE 5:50 AM MDT SUNSET 8:33 PM MDT
MAY 18 2026...........SUNRISE 5:49 AM MDT SUNSET 8:34 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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