648
CDUS45 KBOI 180931
CLIJER
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOISE ID
331 AM MDT MON MAY 18 2026
...............................
..THE JEROME ID CLIMATE SUMMARY FOR MAY 17 2026
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)
YESTERDAY
MAXIMUM 57 524 PM 93 1973 70 -13 55
MINIMUM 35 454 AM 28 1942 45 -10 41
AVERAGE 46 57 -11 48
PRECIPITATION (IN)
YESTERDAY 0.00 0.52 1921 0.05 -0.05 0.28
MONTH TO DATE T 0.82 -0.82 0.48
SINCE OCT 1 5.03 7.95 -2.92 6.16
SINCE JAN 1 2.36 4.91 -2.55 3.29
DEGREE DAYS
HEATING
YESTERDAY 19 8 11 17
MONTH TO DATE 109 178 -69 147
SINCE MAR 1 1101 1394 -293 1285
SINCE JUL 1 4720 5890 -1170 5573
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 4 2 2 6
SINCE MAR 1 4 3 1 6
SINCE JAN 1 4 3 1 6
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 9.4
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 70 700 AM
LOWEST 23 500 PM
AVERAGE 47
......................................................
THE JEROME ID CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 91 1992
2009
MINIMUM TEMPERATURE (F) 45 30 1943
1965
SUNRISE AND SUNSET
MAY 18 2026...........SUNRISE 612 AM MDT SUNSET 857 PM MDT
MAY 19 2026...........SUNRISE 611 AM MDT SUNSET 858 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page