053
CDUS45 KRIW 200045
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT SAT SEP 19 2026
...............................
..THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 19 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 69 3:38 PM 90 2010 73 -4 77
MINIMUM 49 4:55 PM 24 1965 44 5 45
AVERAGE 59 58 1 61
PRECIPITATION (IN)
TODAY 1.00R 0.72 1999 0.04 0.96 0.00
MONTH TO DATE 1.12 0.49 0.63 0.36
SINCE SEP 1 1.12 0.49 0.63 0.36
SINCE JAN 1 7.48 9.93 -2.45 10.37
SNOWFALL (IN)
TODAY MM 0.0 MM 0.0
MONTH TO DATE 0.0 0.4 -0.4 0.0
SINCE SEP 1 0.0 0.4 -0.4 0.0
SINCE JUL 1 0.0 0.4 -0.4 0.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 6 7 -1 4
MONTH TO DATE 29 85 -56 63
SINCE SEP 1 29 85 -56 63
SINCE JUL 1 32 124 -92 68
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 43 31 12 40
SINCE SEP 1 43 31 12 40
SINCE JAN 1 713 483 230 567
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 7.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
HEAVY RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83
LOWEST 49
AVERAGE 66
......................................................
THE LANDER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 88 1956
2016
MINIMUM TEMPERATURE (F) 43 23 1983
SUNRISE AND SUNSET
SEPTEMBER 19 2026.....SUNRISE 6:59 AM MDT SUNSET 7:17 PM MDT
SEPTEMBER 20 2026.....SUNRISE 7:00 AM MDT SUNSET 7:16 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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