More info about 2020 Monsoon. Sky harbor measured 1.00 inch...12th driest on record. Tucson Airport measured 1.62 inch of rain. 2nd driest on record. (Driest was 1.59 inch in 1924). Flagstaff measured 1.78 inch. Driest since records starting being kept in 1898! #azwx

— NWS Phoenix (@NWSPhoenix) September 30, 2020