584
CDUS45 KBOI 200933
CLIBOI
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOISE ID
333 AM MDT WED MAY 20 2026
...............................
..THE BOISE ID CLIMATE SUMMARY FOR MAY 19 2026
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1875 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 71 435 PM 90 1993 73 -2 65
2006
2023
MINIMUM 40 431 AM 28 1960 49 -9 35
1989
AVERAGE 56 61 -5 50
PRECIPITATION (IN)
YESTERDAY 0.00 0.75 1894 0.05 -0.05 0.04
MONTH TO DATE T 0.90 -0.90 0.81
SINCE OCT 1 10.90 9.40 1.50 10.72
SINCE JAN 1 6.55 5.87 0.68 6.31
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2007 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUL 1 1.8 17.6 -15.8 13.6
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 9 6 3 15
MONTH TO DATE 72 147 -75 129
SINCE MAR 1 918 1185 -267 1062
SINCE JUL 1 4163 5205 -1042 4861
COOLING
YESTERDAY 0 2 -2 0
MONTH TO DATE 23 18 5 26
SINCE MAR 1 24 21 3 26
SINCE JAN 1 24 21 3 26
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 6.1
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 62 400 AM
LOWEST 17 600 PM
AVERAGE 40
......................................................
THE BOISE ID CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 94 1958
MINIMUM TEMPERATURE (F) 49 29 1898
SUNRISE AND SUNSET
MAY 20 2026...........SUNRISE 615 AM MDT SUNSET 908 PM MDT
MAY 21 2026...........SUNRISE 614 AM MDT SUNSET 909 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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