606
CXUS55 KBOI 091828
CLABOI
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOISE ID
1128 AM MST FRI JAN 09 2026
...............................
..THE BOISE ID CLIMATE SUMMARY FOR THE YEAR OF 2024
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1875 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
............................................................
TEMPERATURE (F)
RECORD
HIGH 111 07/19/1960
07/12/1898
LOW -28 01/16/1888
HIGHEST 108 07/10 105 07/16
07/21
07/21
08/16
LOWEST 3 01/15 9 01/30
01/16
AVG. MAXIMUM 66.7 64.3 2.4 65.5
AVG. MINIMUM 44.0 42.0 2.0 43.5
MEAN 55.4 53.2 2.2 54.5
DAYS MAX >= 90 66 55.0 11.0 62
DAYS MAX <= 32 11 16.0 -5.0 9
DAYS MIN <= 32 89 108.2 -19.2 116
DAYS MIN <= 0 0 0.9 -0.9 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 22.97 1896
MINIMUM 7.90 1895
TOTALS 15.84 11.51 4.33 12.51
DAILY AVG. 0.04 0.03 0.01 T
DAYS >= .01 98 89.2 8.8 91
DAYS >= .10 48 37.8 10.2 29
DAYS >= .50 6 3.3 2.7 5
DAYS >= 1.00 2 0.0 2.0 0
GREATEST
24 HR. TOTAL 1.23 MM 0.92
STORM TOTAL 1.09 1.46
(MM/DD(HH)) MM
SNOWFALL (INCHES)
RECORDS
TOTAL 50.0 1930
24 HR TOTAL 17.0 12/15/2025 TO 12/16/1884
SNOW DEPTH 22 12/17/1884
TOTALS 33.0 17.6 15.4 22.5
LIQUID EQUIV 3.30 1.70 1.60 2.30
SINCE 7/1 T 7.7 -7.7 MM
LIQUID 7/1 -0.10 0.70 -0.80 MM
SNOWDEPTH AVG. 0 0
DAYS >= TRACE 43 18.0 25.0 43
DAYS >= 1.0 10 6.0 4.0 7
GREATEST
SNOW DEPTH 10 01/14 2 01/24
01/25
12/02
24 HR TOTAL 0.8 MM 9.1
STORM TOTAL 6.8 3.1
(MM/DD(HH)) MM
DEGREE DAYS
HEATING TOTAL 4844 5320 -476 5014
SINCE 7/1 1940 2231 -291 MM
COOLING TOTAL 1432 1045 387 1342
SINCE 1/1 1432 1044 388 MM
FREEZE DATES
............................................................
WIND (MPH)
AVERAGE WIND SPEED 7.3
RESULTANT WIND SPEED/DIRECTION 0/200
HIGHEST WIND SPEED/DIRECTION 39/200 DATE 09/02
HIGHEST GUST SPEED/DIRECTION 63/210 DATE 09/02
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.30
NUMBER OF DAYS FAIR 207
NUMBER OF DAYS PC 67
NUMBER OF DAYS CLOUDY 61
AVERAGE RH (PERCENT) 52
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 16 MIXED PRECIP 0
HEAVY RAIN 8 RAIN 16
LIGHT RAIN 91 FREEZING RAIN 0
LT FREEZING RAIN 5 HAIL 1
HEAVY SNOW 1 SNOW 5
LIGHT SNOW 34 SLEET 0
FOG 78 FOG W/VIS <= 1/4 MILE 23
HAZE 64
- 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