597
CDUS45 KBOI 190931
CLITWF
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOISE ID
331 AM MDT FRI SEP 19 2025
...............................
..THE TWIN FALLS ID CLIMATE SUMMARY FOR SEPTEMBER 18 2025
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1997 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 83 418 PM 87 2009 76 7 69
MINIMUM 44 538 AM 31 2003 46 -2 49
AVERAGE 64 61 3 59
PRECIPITATION (IN)
YESTERDAY 0.00 0.02 2017 0.02 -0.02 0.00
MONTH TO DATE T 0.27 -0.27 0.23
SINCE OCT 1 6.82 10.02 -3.20 8.04
SINCE JAN 1 4.03 7.20 -3.17 5.59
DEGREE DAYS
HEATING
YESTERDAY 1 5 -4 6
MONTH TO DATE 17 62 -45 47
SINCE SEP 1 17 62 -45 47
SINCE JUL 1 17 89 -72 66
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 51 44 7 57
SINCE SEP 1 51 44 7 57
SINCE JAN 1 816 604 212 821
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WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 6.8
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 63 400 AM
LOWEST 18 400 PM
AVERAGE 41
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THE TWIN FALLS ID CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 89 2009
MINIMUM TEMPERATURE (F) 46 35 2005
SUNRISE AND SUNSET
SEPTEMBER 19 2025.....SUNRISE 722 AM MDT SUNSET 740 PM MDT
SEPTEMBER 20 2025.....SUNRISE 724 AM MDT SUNSET 738 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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