761
CXUS55 KBOI 091829
CLAONO

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

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

...THE ONTARIO OR CLIMATE SUMMARY FOR THE YEAR OF 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1948 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            113   MM
 LOW             -20   01/07/2017
HIGHEST          104   07/01                         109  08/02
                       07/14
LOWEST                 02/12                          -8  01/16
AVG. MAXIMUM    66.8               66.5     0.3     67.8
AVG. MINIMUM    41.5               40.9     0.6     42.5
MEAN            54.2               53.7     0.5     55.2
DAYS MAX >= 90    67               61.0     6.0       78
DAYS MAX <= 32     6               20.0   -14.0       17
DAYS MIN <= 32   110              128.5   -18.5       93
DAYS MIN <= 0      1                2.1    -1.1        2

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       16.87   1983
 MINIMUM        4.86   1949
TOTALS         11.32               9.48    1.84    12.67
DAILY AVG.      0.03               0.03    0.01     0.03
DAYS >= .01       78               79.8    -1.8       95
DAYS >= .10       30               30.0     0.0       42
DAYS >= .50        4                2.2     1.8        3
DAYS >= 1.00       1                0.1     0.9        0
GREATEST
 24 HR. TOTAL   1.17   1MM21 TO 12/22               0.79
 STORM TOTAL    1.14                                0.57
 (MM/DD(HH))            MM


DEGREE DAYS
HEATING TOTAL   4969               5200    -231     4822
 SINCE 7/1      1939               2252    -313       MM
COOLING TOTAL   1163               1100      63     1324
 SINCE 1/1      1163               1100      63       MM

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

WIND (MPH)
AVERAGE WIND SPEED              5.7
RESULTANT WIND SPEED/DIRECTION   3/300
HIGHEST WIND SPEED/DIRECTION    46/190    DATE  07/26
HIGHEST GUST SPEED/DIRECTION    67/190    DATE  07/26

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.24
NUMBER OF DAYS FAIR          254
NUMBER OF DAYS PC             72
NUMBER OF DAYS CLOUDY         37

AVERAGE RH (PERCENT)     58

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             18     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                      12
LIGHT RAIN               89     FREEZING RAIN              0
LT FREEZING RAIN          2     HAIL                       0
HEAVY SNOW                2     SNOW                       8
LIGHT SNOW               14     SLEET                      0
FOG                      88     FOG W/VIS <= 1/4 MILE     30
HAZE                    104

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

$$