762
CXUS55 KBOI 091829
CLABOI

CLIMATE REPORT
NATIONAL WEATHER SERVICE BOISE ID
1129 AM MST FRI JAN 09 2026

...................................

...THE BOISE ID CLIMATE SUMMARY FOR THE YEAR OF 2025...

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          104   07/08                         108  07/10
                                                          07/21
LOWEST             5   02/12                           3  01/15
                                                          01/16
AVG. MAXIMUM    66.7               64.3     2.4     66.7
AVG. MINIMUM    44.0               42.0     2.0     44.0
MEAN            55.4               53.2     2.2     55.4
DAYS MAX >= 90    60               55.0     5.0       66
DAYS MAX <= 32     6               16.0   -10.0       11
DAYS MIN <= 32    86              108.2   -22.2       89
DAYS MIN <= 0      0                0.9    -0.9        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       22.97   1896
 MINIMUM        7.90   1895
TOTALS         12.22              11.51    0.71    15.84
DAILY AVG.      0.04               0.03    0.01     0.04
DAYS >= .01       64               89.2   -25.2       98
DAYS >= .10       29               37.8    -8.8       48
DAYS >= .50        3                3.3    -0.3        6
DAYS >= 1.00       0                0.0     0.0        2
GREATEST
 24 HR. TOTAL   0.95   1MM21 TO 12/22               1.23
 STORM TOTAL    0.93                                1.09
 (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          13.7               17.6    -3.9     33.0
 LIQUID EQUIV   1.40               1.70   -0.30     3.30
SINCE 7/1        0.1                7.7    -7.6       MM
 LIQUID 7/1     0.01               0.70   -0.69       MM
SNOWDEPTH AVG.     0                                   0
DAYS >= TRACE     10               18.0    -8.0       43
DAYS >= 1.0        1                6.0    -5.0       10
GREATEST
 SNOW DEPTH        4   02/07                          10  01/14
 24 HR TOTAL     4.7   0MM06 TO 02/07                0.8
 STORM TOTAL     4.7                                 6.8
 (MM/DD(HH))            MM

DEGREE DAYS
HEATING TOTAL   4639               5320    -681     4844
 SINCE 7/1      1657               2231    -574       MM
COOLING TOTAL   1255               1045     210     1432
 SINCE 1/1      1255               1044     211       MM

FREEZE DATES
................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.3
RESULTANT WIND SPEED/DIRECTION   0/300
HIGHEST WIND SPEED/DIRECTION    39/230    DATE  07/02
HIGHEST GUST SPEED/DIRECTION    51/240    DATE  07/02

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.24
NUMBER OF DAYS FAIR          242
NUMBER OF DAYS PC             58
NUMBER OF DAYS CLOUDY         33

AVERAGE RH (PERCENT)     52

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             17     MIXED PRECIP               1
HEAVY RAIN                4     RAIN                      18
LIGHT RAIN               89     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       1
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW               20     SLEET                      1
FOG                      49     FOG W/VIS <= 1/4 MILE     13
HAZE                     14

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$