146
CDUS45 KRIW 180045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT TUE MAR 17 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR MARCH 17 2026
VALID TODAY AS OF 0600 PM LOCAL TIME.
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)
TODAY
MAXIMUM 70 3:31 PM 71 2007 50 20 61
2012
MINIMUM 41 12:30 AM -10 1965 23 18 29
AVERAGE 56 36 20 45
PRECIPITATION (IN)
TODAY T 0.47 1952 0.03 -0.03 0.00
MONTH TO DATE 0.16 0.41 -0.25 0.90
SINCE MAR 1 0.16 0.41 -0.25 0.90
SINCE JAN 1 0.70 1.46 -0.76 1.62
SNOWFALL (IN)
TODAY MM 0.3 MM 0.0
MONTH TO DATE 1.6 5.4 -3.8 5.5
SINCE MAR 1 1.6 5.4 -3.8 5.5
SINCE JUL 1 17.3 53.7 -36.4 16.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 9 28 -19 20
MONTH TO DATE 435 536 -101 507
SINCE MAR 1 435 536 -101 507
SINCE JUL 1 4612 5898 -1286 5522
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 17.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 65
LOWEST 20
AVERAGE 43
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 50 75 2017
MINIMUM TEMPERATURE (F) 24 -15 1965
SUNRISE AND SUNSET
MARCH 17 2026.........SUNRISE 7:14 AM MDT SUNSET 7:15 PM MDT
MARCH 18 2026.........SUNRISE 7:12 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.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page