354
CDUS45 KRIW 190045
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT MON AUG 18 2025
...............................
..THE LANDER WY CLIMATE SUMMARY FOR AUGUST 18 2025
VALID TODAY AS OF 0600 PM LOCAL TIME.
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)
TODAY
MAXIMUM 92 2:41 PM 97 1986 86 6 92
2020
MINIMUM 52 5:33 AM 39 1892 54 -2 58
AVERAGE 72 70 2 75
PRECIPITATION (IN)
TODAY 0.00 2.20 2004 0.01 -0.01 0.00
MONTH TO DATE 0.05 0.32 -0.27 0.45
SINCE JUN 1 1.03 1.99 -0.96 0.87
SINCE JAN 1 9.59 9.24 0.35 6.73
SNOWFALL (IN)
TODAY MM 0.0 MM 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 MM
DEGREE DAYS
HEATING
TODAY 0 1 -1 0
MONTH TO DATE 2 4 -2 1
SINCE JUN 1 92 142 -50 42
SINCE JUL 1 4 18 -14 7
COOLING
TODAY 7 5 2 10
MONTH TO DATE 128 122 6 122
SINCE JUN 1 452 395 57 487
SINCE JAN 1 460 400 60 487
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 4.7
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 63
LOWEST 14
AVERAGE 39
......................................................
THE LANDER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 96 2013
MINIMUM TEMPERATURE (F) 53 38 1912
SUNRISE AND SUNSET
AUGUST 18 2025........SUNRISE 6:25 AM MDT SUNSET 8:12 PM MDT
AUGUST 19 2025........SUNRISE 6:26 AM MDT SUNSET 8:10 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page