180
CDUS45 KRIW 200729
CLILND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
129 AM MDT THU AUG 20 2026
...............................
..THE LANDER WY CLIMATE SUMMARY FOR AUGUST 19 2026
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)
YESTERDAY
MAXIMUM 88 6:09 PM 97 2025 85 3 97
MINIMUM 51 4:04 AM 38 1912 53 -2 56
AVERAGE 70 69 1
PRECIPITATION (IN)
YESTERDAY 0.00 1.00 1979 0.02 -0.02 0.00
MONTH TO DATE 0.35 0.34 0.01 0.05
SINCE JUN 1 1.43 2.01 -0.58 1.03
SINCE JAN 1 6.12 9.26 -3.14 9.59
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 3 5 -2 2
SINCE JUN 1 78 143 -65 92
SINCE JUL 1 3 19 -16 4
COOLING
YESTERDAY 5 5 0 12
MONTH TO DATE 146 127 19 140
SINCE JUN 1 557 400 157 464
SINCE JAN 1 571 405 166 472
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 6.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 77 4:00 AM
LOWEST 16 6:00 PM
AVERAGE 47
......................................................
THE LANDER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 99 2025
MINIMUM TEMPERATURE (F) 53 38 1964
SUNRISE AND SUNSET
AUGUST 20 2026........SUNRISE 6:27 AM MDT SUNSET 8:09 PM MDT
AUGUST 21 2026........SUNRISE 6:28 AM MDT SUNSET 8:07 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