CDUS46 KBOI 190934 CLIONO CLIMATE REPORT NATIONAL WEATHER SERVICE BOISE ID 334 AM MDT TUE MAY 19 2026 ................................... ...THE ONTARIO OR CLIMATE SUMMARY FOR MAY 18 2026... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1945 TO 2026 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 71 355 PM 96 1973 77 -6 64 2008 MINIMUM 38 340 AM 27 1989 49 -11 42 AVERAGE 55 63 -8 53 PRECIPITATION (IN) YESTERDAY 0.00 0.52 2005 0.04 -0.04 0.00 MONTH TO DATE T 0.64 -0.64 0.02 SINCE OCT 1 8.31 7.56 0.75 10.94 SINCE JAN 1 4.77 4.65 0.12 5.77 DEGREE DAYS HEATING YESTERDAY 10 4 6 12 MONTH TO DATE 59 105 -46 102 SINCE MAR 1 1030 1060 -30 1012 SINCE JUL 1 4667 5127 -460 4941 COOLING YESTERDAY 0 2 -2 0 MONTH TO DATE 25 19 6 10 SINCE MAR 1 25 21 4 10 SINCE JAN 1 25 21 4 10 ................................................................... WIND (MPH) HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION N (350) HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION N (360) AVERAGE WIND SPEED 7.7 SKY COVER AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 70 600 AM LOWEST 16 400 PM AVERAGE 43 .......................................................... THE ONTARIO OR CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 78 95 1954 MINIMUM TEMPERATURE (F) 49 31 1960 2003 SUNRISE AND SUNSET MAY 19 2026...........SUNRISE 618 AM MDT SUNSET 912 PM MDT MAY 20 2026...........SUNRISE 617 AM MDT SUNSET 913 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$