Monsoon 2022 officially started on June 15th and since then (through June 25th), Phoenix Sky Harbor has measured 0.14" of rain. This makes it the 10th wettest start to monsoon since records began in 1896. Average rain during this time is just 0.01".

Also of note, over the past 127 years (since 1896) measurable rain has only been recorded in 21 years during the June 15th through June 25th time period.

List of wettest monsoon starts (June 15th-25th) from 1896 through 2022:
1972: 1.64"
1965: 0.91"
1899: 0.61"
1967: 0.44"
2000: 0.30"
1925: 0.21"
1933: 0.21"
1984: 0.18"
2021: 0.17"
1930: 0.16"
1949: 0.14"
2022: 0.14"
1950: 0.10"
1918: 0.08"
1958: 0.05"
1934: 0.03"
1988: 0.02"
1898: 0.01"
1966: 0.01"
1986: 0.01"
2001: 0.01"
All other years: 0.00"