487
CDUS46 KBOI 210941
CLIONO
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOISE ID
341 AM MDT WED MAY 21 2025
...............................
..THE ONTARIO OR CLIMATE SUMMARY FOR MAY 20 2025
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1948 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 69 601 PM 94 2023 78 -9 72
MINIMUM 48 1117 PM 35 1971 49 -1 46
1976
2003
AVERAGE 59 64 -5 59
PRECIPITATION (IN)
YESTERDAY T 0.65 2019 0.04 -0.04 T
MONTH TO DATE 0.02 0.72 -0.70 0.62
SINCE OCT 1 10.94 7.64 3.30 7.95
SINCE JAN 1 5.77 4.73 1.04 5.84
DEGREE DAYS
HEATING
YESTERDAY 6 4 2 6
MONTH TO DATE 120 113 7 130
SINCE MAR 1 1030 1068 -38 1086
SINCE JUL 1 4959 5135 -176 4760
COOLING
YESTERDAY 0 2 -2 0
MONTH TO DATE 10 23 -13 29
SINCE MAR 1 10 25 -15 29
SINCE JAN 1 10 25 -15 29
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 7.8
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 200 AM
LOWEST 21 500 PM
AVERAGE 52
......................................................
THE ONTARIO OR CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 96 1967
MINIMUM TEMPERATURE (F) 50 30 1974
SUNRISE AND SUNSET
MAY 21 2025...........SUNRISE 616 AM MDT SUNSET 914 PM MDT
MAY 22 2025...........SUNRISE 615 AM MDT SUNSET 915 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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