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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Tonto Springs Rs 4 W Threshold Days by Year (USC00028657)

4 fixed thresholds counted per year at Tonto Springs Rs 4 W (USC00028657): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tonto Springs Rs 4 W Thresholds

  • Tonto Springs Rs 4 W: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1965 with 26.
  • Tonto Springs Rs 4 W: days with 25 mm (0.98 in) or more of precipitation in 29 years, most in 1965 with 9.
  • Tonto Springs Rs 4 W: days with 50 mm (1.97 in) or more of precipitation in 13 years, most in 1916 with 2.
  • Tonto Springs Rs 4 W: days with 10 cm (3.9 in) or more of snowfall in 1 years, most in 1954 with 1.
  • 4 fixed thresholds have at least one qualifying day at Tonto Springs Rs 4 W.
30 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Tonto Springs Rs 4 W Days per year at Tonto Springs Rs 4 W with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 26 in 1965. 01020301916: 161917: 131918: 161919: 221920: 161921: 211925: 131926: 111940: 201941: 251942: 81943: 141944: 151945: 121946: 151947: 101948: 121953: 51954: 141955: 141956: 51957: 191958: 221959: 171960: 101961: 121962: 131963: 201964: 161965: 261916191919251941194419471954195719601963
Days per year at Tonto Springs Rs 4 W with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 26 in 1965.
Days with 10 mm (0.39 in) or more of precipitation per year at Tonto Springs Rs 4 W
YearDaysDecade average
19161616.8
19171316.8
19181616.8
19192216.8
19201615.3
19212115.3
19251315.3
19261115.3
19402014.6
19412514.6
1942814.6
19431414.6
19441514.6
19451214.6
19461514.6
19471014.6
19481214.6
1953513.7
19541413.7
19551413.7
1956513.7
19571913.7
19582213.7
19591713.7
19601016.2
19611216.2
19621316.2
19632016.2
19641616.2
19652616.2
First to last qualifying date each year at Tonto Springs Rs 4 W For each year, a bar from the first to the last day at Tonto Springs Rs 4 W meeting 10 mm (0.39 in). 1916: 15 January 1916 to 25 December 19161917: 3 January 1917 to 12 August 19171918: 25 January 1918 to 30 December 19181919: 31 January 1919 to 27 November 19191920: 4 January 1920 to 30 October 19201921: 18 January 1921 to 27 December 19211925: 20 February 1925 to 6 November 19251926: 4 January 1926 to 27 November 19261940: 5 January 1940 to 29 December 19401941: 11 January 1941 to 13 November 19411942: 1 January 1942 to 25 December 19421943: 23 January 1943 to 21 December 19431944: 24 January 1944 to 28 December 19441945: 16 February 1945 to 23 December 19451946: 3 January 1946 to 27 December 19461947: 29 January 1947 to 4 December 19471948: 6 February 1948 to 31 December 19481953: 28 February 1953 to 28 August 19531954: 12 January 1954 to 10 December 19541955: 3 January 1955 to 2 December 19551956: 29 June 1956 to 29 October 19561957: 7 January 1957 to 15 December 19571958: 26 January 1958 to 16 November 19581959: 6 January 1959 to 25 December 19591960: 12 January 1960 to 6 November 19601961: 27 January 1961 to 15 December 19611962: 13 January 1962 to 18 December 19621963: 3 January 1963 to 21 November 19631964: 22 January 1964 to 18 December 19641965: 5 January 1965 to 30 December 196519161920194019441948195619601964JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Tonto Springs Rs 4 W meeting 10 mm (0.39 in).
First to last qualifying date each year at Tonto Springs Rs 4 W
YearFirst dateLast date
19161916-01-151916-12-25
19171917-01-031917-08-12
19181918-01-251918-12-30
19191919-01-311919-11-27
19201920-01-041920-10-30
19211921-01-181921-12-27
19251925-02-201925-11-06
19261926-01-041926-11-27
19401940-01-051940-12-29
19411941-01-111941-11-13
19421942-01-011942-12-25
19431943-01-231943-12-21
19441944-01-241944-12-28
19451945-02-161945-12-23
19461946-01-031946-12-27
19471947-01-291947-12-04
19481948-02-061948-12-31
19531953-02-281953-08-28
19541954-01-121954-12-10
19551955-01-031955-12-02
19561956-06-291956-10-29
19571957-01-071957-12-15
19581958-01-261958-11-16
19591959-01-061959-12-25
19601960-01-121960-11-06
19611961-01-271961-12-15
19621962-01-131962-12-18
19631963-01-031963-11-21
19641964-01-221964-12-18
19651965-01-051965-12-30

Every Fixed Threshold

Fixed thresholds at Tonto Springs Rs 4 W
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3026196526
25 mm (0.98 in): Days with 25 mm or more rain29919659
50 mm (1.97 in): Days with 50 mm or more rain13219161
10 cm (3.9 in): Days with 10 cm or more snowfall1119541

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1916.

Download the Data

  • Data for Tonto Springs Rs 4 W threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).