760
CXUS55 KBOI 091829
CLATWF
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOISE ID
1129 AM MST FRI JAN 09 2026
...............................
..THE TWIN FALLS ID CLIMATE SUMMARY FOR THE YEAR OF 2025
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1997 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 104 07/14/2014
LOW -15 01/01/2016
HIGHEST 98 07/08 103 08/02
LOWEST 5 01/21 -8 01/15
01/16
AVG. MAXIMUM 64.3 61.2 3.1 63.7
AVG. MINIMUM 40.3 37.0 3.3 39.1
MEAN 52.3 49.1 3.2 51.4
DAYS MAX >= 90 30 42.0 -12.0 48
DAYS MAX <= 32 10 24.0 -14.0 10
DAYS MIN <= 32 115 139.0 -24.0 133
DAYS MIN <= 0 0 1.9 -1.9 2
PRECIPITATION (INCHES)
RECORD
MAXIMUM 16.04 2014
MINIMUM 4.58 2013
TOTALS 6.72 10.28 -3.56 8.38
DAILY AVG. T 0.03 -0.03 0.02
DAYS >= .01 64 78.5 -14.5 76
DAYS >= .10 27 31.2 -4.2 37
DAYS >= .50 0 2.7 -2.7 2
DAYS >= 1.00 0 0.2 -0.2 0
GREATEST
24 HR. TOTAL 0.38 10/26 TO 10/26 0.64 12/28 TO 12/28
12/27 TO 12/28
12/28 TO 12/28
STORM TOTAL 0.38 0.64
(MM/DD(HH)) MM
DEGREE DAYS
HEATING TOTAL 5319 6387 -1068 5583
SINCE 7/1 1908 2648 -740 MM
COOLING TOTAL 832 617 215 843
SINCE 1/1 832 616 216 MM
FREEZE DATES
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WIND (MPH)
AVERAGE WIND SPEED 10.4
RESULTANT WIND SPEED/DIRECTION 5/240
HIGHEST WIND SPEED/DIRECTION 51/260 DATE 12/17
HIGHEST GUST SPEED/DIRECTION 68/260 DATE 12/17
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.24
NUMBER OF DAYS FAIR 250
NUMBER OF DAYS PC 85
NUMBER OF DAYS CLOUDY 29
AVERAGE RH (PERCENT) 53
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 13 MIXED PRECIP 0
HEAVY RAIN 5 RAIN 18
LIGHT RAIN 74 FREEZING RAIN 0
LT FREEZING RAIN 1 HAIL 0
HEAVY SNOW 1 SNOW 10
LIGHT SNOW 33 SLEET 0
FOG 68 FOG W/VIS <= 1/4 MILE 14
HAZE 64
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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