200
CDUS45 KBOI 181037
CLIMYL
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOISE ID
337 AM MST THU DEC 18 2025
...............................
..THE MCCALL ID CLIMATE SUMMARY FOR DECEMBER 17 2025
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1930 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 47R 743 AM 41 1941 29 18 33
MINIMUM 27 1159 PM -24 1964 13 14 28
AVERAGE 37 21 16 31
PRECIPITATION (IN)
YESTERDAY 0.24 0.98 1973 0.10 0.14 0.20
MONTH TO DATE 1.56 1.55 0.01 1.89
SINCE OCT 1 6.25 5.45 0.80 8.62
SINCE JAN 1 23.80 21.78 2.02 26.11
DEGREE DAYS
HEATING
YESTERDAY 28 44 -16 34
MONTH TO DATE 544 718 -174 686
SINCE DEC 1 544 718 -174 686
SINCE JUL 1 2370 2960 -590 2863
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 156 111 45 153
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WIND (MPH)
HIGHEST WIND SPEED 40 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 66 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 12.8
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 200 AM
LOWEST 37 200 PM
AVERAGE 67
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THE MCCALL ID CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 29 48 1979
MINIMUM TEMPERATURE (F) 13 -30 1924
SUNRISE AND SUNSET
DECEMBER 18 2025......SUNRISE 818 AM MST SUNSET 505 PM MST
DECEMBER 19 2025......SUNRISE 818 AM MST SUNSET 505 PM MST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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