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CXUS55 KBOI 011740
CLMBOI
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOISE ID
1140 AM MDT WED OCT 01 2025
...............................
..THE BOISE ID CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1875 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
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TEMPERATURE (F)
HIGHEST 101 09/01
LOWEST 48 09/27
AVG. MAXIMUM 83.9 80.0 3.9
AVG. MINIMUM 57.5 52.6 4.9
MEAN 70.7 66.3 4.4
DAYS MAX >= 90 5
DAYS MAX <= 32 0
DAYS MIN <= 32 0
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 2.93 1986
TOTALS 0.76 0.43 0.33
DAYS >= .01 4
DAYS >= .10 1
DAYS >= .50 1
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.68 09/29 TO 09/30
DEGREE DAYS
HEATING TOTAL 7 80 -73 38
SINCE 7/1 7 94 -87
COOLING TOTAL 185 119 66 191
SINCE 1/1 1248 1034 214
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WIND (MPH)
AVERAGE WIND SPEED 6.4
HIGHEST WIND SPEED/DIRECTION 32/220 DATE 09/10
HIGHEST GUST SPEED/DIRECTION 44/210 DATE 09/10
AVERAGE RH (PERCENT) 41
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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