792
CDUS45 KRIW 170730
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
130 AM MDT SUN AUG 17 2025
...............................
..THE LANDER WY CLIMATE SUMMARY FOR AUGUST 16 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1891 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 89 2:00 PM 95 2007 86 3 88
2021
2023
MINIMUM 61 11:43 PM 33 1893 54 7 50
AVERAGE 75 70 5
PRECIPITATION (IN)
YESTERDAY 0.04 0.32 1992 0.01 0.03 0.00
MONTH TO DATE 0.05 0.29 -0.24 0.45
SINCE JUN 1 1.03 1.96 -0.93 0.87
SINCE JAN 1 9.59 9.21 0.38 6.73
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2020 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUN 1 0.0 0.1 -0.1 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 2 2 0 1
SINCE JUN 1 92 140 -48 42
SINCE JUL 1 4 16 -12 7
COOLING
YESTERDAY 10 6 4 4
MONTH TO DATE 115 111 4 104
SINCE JUN 1 439 384 55 469
SINCE JAN 1 447 389 58 469
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 7.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 54 7:00 AM
LOWEST 21 2:00 PM
AVERAGE 38
......................................................
THE LANDER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 86 96 2013
2020
MINIMUM TEMPERATURE (F) 54 38 2009
SUNRISE AND SUNSET
AUGUST 17 2025........SUNRISE 6:24 AM MDT SUNSET 8:13 PM MDT
AUGUST 18 2025........SUNRISE 6:25 AM MDT SUNSET 8:12 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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