254
CDUS45 KRIW 280727
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT WED OCT 28 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 27 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 60 2:08 PM 74 1983 55 5 53
2016
MINIMUM 43 11:59 PM -4 2019 27 16 29
AVERAGE 52 41 11
PRECIPITATION (IN)
YESTERDAY T 0.50 1975 0.03 -0.03 0.06
MONTH TO DATE 0.84 1.07 -0.23 1.56
SINCE SEP 1 1.60 2.02 -0.42 4.11
SINCE JAN 1 7.94 10.85 -2.91 11.42
SNOWFALL (IN)
YESTERDAY 0.0 6.8 1975 0.2 -0.2 1.0
MONTH TO DATE 0.0 5.9 -5.9 1.3
SINCE SEP 1 0.0 7.4 -7.4 1.3
SINCE JUL 1 0.0 7.4 -7.4 1.3
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 13 24 -11 24
MONTH TO DATE 305 514 -209 423
SINCE SEP 1 413 728 -315 536
SINCE JUL 1 418 773 -355 546
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 2 0 2 0
SINCE SEP 1 47 30 17 17
SINCE JAN 1 640 442 198 467
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 43 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 55 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 19.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 56 3:00 AM
LOWEST 26 11:00 AM
AVERAGE 41
......................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 54 75 1990
MINIMUM TEMPERATURE (F) 27 -2 2019
SUNRISE AND SUNSET
OCTOBER 28 2026.......SUNRISE 7:35 AM MDT SUNSET 6:03 PM MDT
OCTOBER 29 2026.......SUNRISE 7:37 AM MDT SUNSET 6:02 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