642
CDUS45 KBOI 210121
CLIJER
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOISE ID
721 PM MDT SUN SEP 20 2026
...............................
..THE JEROME ID CLIMATE SUMMARY FOR SEPTEMBER 20 2026
VALID TODAY AS OF 0700 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1915 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 75 438 PM 94 1939 76 -1 84
1984
MINIMUM 47 629 AM 29 1947 48 -1 54
AVERAGE 61 62 -1 69
PRECIPITATION (IN)
TODAY T 0.46 1940 0.01 -0.01 0.00
MONTH TO DATE 0.43 0.17 0.26 T
SINCE OCT 1 6.22 9.74 -3.52 6.72
SINCE JAN 1 3.55 6.70 -3.15 3.85
DEGREE DAYS
HEATING
TODAY 4 5 -1 0
MONTH TO DATE 71 59 12 16
SINCE SEP 1 71 59 12 16
SINCE JUL 1 74 78 -4 16
COOLING
TODAY 0 2 -2 4
MONTH TO DATE 23 61 -38 79
SINCE SEP 1 23 61 -38 79
SINCE JAN 1 818 702 116 758
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 6.6
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 600 AM
LOWEST 29 500 PM
AVERAGE 60
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THE JEROME ID CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 94 1966
MINIMUM TEMPERATURE (F) 48 30 1924
1978
SUNRISE AND SUNSET
SEPTEMBER 20 2026.....SUNRISE 723 AM MDT SUNSET 738 PM MDT
SEPTEMBER 21 2026.....SUNRISE 724 AM MDT SUNSET 737 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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