517
CDUS45 KBOI 220931
CLIBOI
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOISE ID
331 AM MDT MON SEP 22 2025
...............................
..THE BOISE ID CLIMATE SUMMARY FOR SEPTEMBER 21 2025
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1875 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 78 349 PM 95 1967 78 0 75
MINIMUM 62 917 PM 30 1993 51 11 44
AVERAGE 70 64 6 60
PRECIPITATION (IN)
YESTERDAY 0.04 0.29 1913 0.02 0.02 0.00
MONTH TO DATE 0.10 0.27 -0.17 0.20
SINCE OCT 1 11.82 11.35 0.47 15.13
SINCE JAN 1 7.41 7.82 -0.41 11.19
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2006 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 3 -3 5
MONTH TO DATE 3 40 -37 25
SINCE SEP 1 3 40 -37 25
SINCE JUL 1 3 53 -50 34
COOLING
YESTERDAY 5 3 2 0
MONTH TO DATE 169 103 66 145
SINCE SEP 1 169 103 66 145
SINCE JAN 1 1232 1018 214 1373
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WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 7.2
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 61 100 PM
LOWEST 35 800 AM
AVERAGE 48
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THE BOISE ID CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 99 1966
MINIMUM TEMPERATURE (F) 51 29 1895
SUNRISE AND SUNSET
SEPTEMBER 22 2025.....SUNRISE 733 AM MDT SUNSET 741 PM MDT
SEPTEMBER 23 2025.....SUNRISE 734 AM MDT SUNSET 740 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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