


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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148 CDUS46 KBOI 150936 CLIONO CLIMATE REPORT NATIONAL WEATHER SERVICE BOISE ID 336 AM MDT THU MAY 15 2025 ................................... ...THE ONTARIO OR CLIMATE SUMMARY FOR MAY 14 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 68 505 PM 94 1972 76 -8 82 1973 MINIMUM 44 519 AM 28 1970 48 -4 58 AVERAGE 56 62 -6 70 PRECIPITATION (IN) YESTERDAY 0.00 0.26 1969 0.04 -0.04 0.00 MONTH TO DATE 0.02 0.48 -0.46 0.62 SINCE OCT 1 10.94 7.40 3.54 7.95 SINCE JAN 1 5.77 4.49 1.28 5.84 DEGREE DAYS HEATING YESTERDAY 9 5 4 0 MONTH TO DATE 63 88 -25 105 SINCE MAR 1 973 1043 -70 1061 SINCE JUL 1 4902 5110 -208 4735 COOLING YESTERDAY 0 2 -2 5 MONTH TO DATE 10 11 -1 19 SINCE MAR 1 10 13 -3 19 SINCE JAN 1 10 13 -3 19 ................................................................... WIND (MPH) HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (300) HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (320) AVERAGE WIND SPEED 11.7 SKY COVER AVERAGE SKY COVER 0.2 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 76 500 AM LOWEST 31 500 PM AVERAGE 54 .......................................................... THE ONTARIO OR CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 76 95 1973 MINIMUM TEMPERATURE (F) 48 28 1966 SUNRISE AND SUNSET MAY 15 2025...........SUNRISE 622 AM MDT SUNSET 908 PM MDT MAY 16 2025...........SUNRISE 620 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. $$