368
CDUS45 KRIW 190729
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1229 AM MST MON JAN 19 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR JANUARY 18 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1939 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 38 12:14 PM 54 1999 36 2 10
MINIMUM 13 11:55 PM -30 1943 15 -2 -17
AVERAGE 26 25 1
PRECIPITATION (IN)
YESTERDAY 0.00 0.17 2023 0.02 -0.02 0.02
MONTH TO DATE 0.13 0.29 -0.16 0.45
SINCE DEC 1 0.49 0.90 -0.41 0.61
SINCE JAN 1 0.13 0.29 -0.16 0.45
SNOWFALL (IN)
YESTERDAY 0.0 4.3 1980 0.3 -0.3 T
MONTH TO DATE 1.2 5.1 -3.9 6.0
SINCE DEC 1 6.7 16.1 -9.4 7.5
SINCE JUL 1 11.0 33.5 -22.5 7.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 39 40 -1 68
MONTH TO DATE 517 723 -206 801
SINCE DEC 1 1380 1971 -591 1771
SINCE JUL 1 2806 3773 -967 3271
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 11.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 77 10:00 PM
LOWEST 33 2:00 AM
AVERAGE 55
......................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 36 57 2009
MINIMUM TEMPERATURE (F) 15 -25 1963
SUNRISE AND SUNSET
JANUARY 19 2026.......SUNRISE 7:32 AM MST SUNSET 5:02 PM MST
JANUARY 20 2026.......SUNRISE 7:31 AM MST SUNSET 5:03 PM MST
- 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