CDUS46 KBOI 200933 CLIONO CLIMATE REPORT NATIONAL WEATHER SERVICE BOISE ID 333 AM MDT WED MAY 20 2026 ................................... ...THE ONTARIO OR CLIMATE SUMMARY FOR MAY 19 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 73 419 PM 95 1954 78 -5 68 MINIMUM 40 537 AM 31 1960 49 -9 37 2003 AVERAGE 57 63 -6 53 PRECIPITATION (IN) YESTERDAY 0.00 0.89 1953 0.04 -0.04 T MONTH TO DATE T 0.68 -0.68 0.02 SINCE OCT 1 8.31 7.60 0.71 10.94 SINCE JAN 1 4.77 4.69 0.08 5.77 DEGREE DAYS HEATING YESTERDAY 8 4 4 12 MONTH TO DATE 67 109 -42 114 SINCE MAR 1 1038 1064 -26 1024 SINCE JUL 1 4675 5131 -456 4953 COOLING YESTERDAY 0 2 -2 0 MONTH TO DATE 25 21 4 10 SINCE MAR 1 25 23 2 10 SINCE JAN 1 25 23 2 10 ................................................................... WIND (MPH) HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (20) HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NE (30) AVERAGE WIND SPEED 3.8 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 20 500 PM AVERAGE 45 .......................................................... THE ONTARIO OR CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 78 94 2023 MINIMUM TEMPERATURE (F) 49 35 1971 1976 2003 SUNRISE AND SUNSET MAY 20 2026...........SUNRISE 617 AM MDT SUNSET 913 PM MDT MAY 21 2026...........SUNRISE 616 AM MDT SUNSET 914 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$