SXUS75 KBOI 160933 RERBOI RECORD EVENT REPORT NATIONAL WEATHER SERVICE BOISE ID 333 AM MDT THU APR 16 2026 ...RECORD DAILY MAXIMUM RAINFALL SET AT ONTARIO OR... A RECORD RAINFALL OF 0.38 INCHES WAS SET AT ONTARIO OR YESTERDAY. THIS BREAKS THE OLD RECORD OF 0.08 INCHES SET IN 2019. $$