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Data as of 2025-12-31
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Built 2026-10-17 (17 October 2026)

Southern Hills Threshold Days by Year

3 fixed thresholds counted per year at Southern Hills (ASN00012175): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Southern Hills Thresholds

  • Southern Hills: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1909 with 17.
  • Southern Hills: days with 25 mm (0.98 in) or more of precipitation in 24 years, most in 1917 with 6.
  • Southern Hills: days with 50 mm (1.97 in) or more of precipitation in 6 years, most in 1909 with 2.
  • 3 fixed thresholds have at least one qualifying day at Southern Hills.
30 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Southern Hills Days per year at Southern Hills with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 17 in 1909. 051015201907: 131908: 131909: 171910: 81911: 71912: 41913: 61914: 71915: 61916: 81917: 171918: 51919: 131920: 61921: 71924: 21925: 101927: 91928: 61968: 101969: 51970: 41972: 41974: 151975: 121976: 41977: 51978: 81979: 31981: 41907191019131916191919241928197019751978
Days per year at Southern Hills with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 17 in 1909.
Days with 10 mm (0.39 in) or more of precipitation per year at Southern Hills
YearDaysDecade average
19071314.3
19081314.3
19091714.3
191088.1
191178.1
191248.1
191368.1
191478.1
191568.1
191688.1
1917178.1
191858.1
1919138.1
192066.7
192176.7
192426.7
1925106.7
192796.7
192866.7
1968107.5
196957.5
197046.9
197246.9
1974156.9
1975126.9
197646.9
197756.9
197886.9
197936.9
198144
First to last qualifying date each year at Southern Hills For each year, a bar from the first to the last day at Southern Hills meeting 10 mm (0.39 in). 1907: 23 February 1907 to 8 September 19071908: 7 February 1908 to 10 November 19081909: 8 January 1909 to 11 November 19091910: 6 May 1910 to 23 November 19101911: 22 May 1911 to 29 December 19111912: 29 February 1912 to 16 May 19121913: 18 March 1913 to 21 December 19131914: 5 April 1914 to 27 December 19141915: 5 May 1915 to 2 August 19151916: 29 May 1916 to 9 November 19161917: 29 January 1917 to 10 December 19171918: 25 March 1918 to 27 August 19181919: 30 March 1919 to 10 December 19191920: 30 March 1920 to 26 November 19201921: 7 May 1921 to 9 December 19211924: 9 September 1924 to 19 October 19241925: 13 January 1925 to 20 November 19251927: 4 January 1927 to 24 December 19271928: 15 January 1928 to 24 December 19281968: 1 January 1968 to 13 December 19681969: 20 March 1969 to 24 October 19691970: 17 February 1970 to 25 September 19701972: 7 January 1972 to 2 November 19721974: 28 February 1974 to 19 October 19741975: 25 February 1975 to 11 December 19751976: 29 February 1976 to 18 November 19761977: 17 February 1977 to 1 December 19771978: 2 January 1978 to 24 December 19781979: 28 August 1979 to 3 December 19791981: 7 March 1981 to 6 November 198119071911191519191925196919751979JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Southern Hills meeting 10 mm (0.39 in).
First to last qualifying date each year at Southern Hills
YearFirst dateLast date
19071907-02-231907-09-08
19081908-02-071908-11-10
19091909-01-081909-11-11
19101910-05-061910-11-23
19111911-05-221911-12-29
19121912-02-291912-05-16
19131913-03-181913-12-21
19141914-04-051914-12-27
19151915-05-051915-08-02
19161916-05-291916-11-09
19171917-01-291917-12-10
19181918-03-251918-08-27
19191919-03-301919-12-10
19201920-03-301920-11-26
19211921-05-071921-12-09
19241924-09-091924-10-19
19251925-01-131925-11-20
19271927-01-041927-12-24
19281928-01-151928-12-24
19681968-01-011968-12-13
19691969-03-201969-10-24
19701970-02-171970-09-25
19721972-01-071972-11-02
19741974-02-281974-10-19
19751975-02-251975-12-11
19761976-02-291976-11-18
19771977-02-171977-12-01
19781978-01-021978-12-24
19791979-08-281979-12-03
19811981-03-071981-11-06

Every Fixed Threshold

Fixed thresholds at Southern Hills
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain301719094
25 mm (0.98 in): Days with 25 mm or more rain24619171
50 mm (1.97 in): Days with 50 mm or more rain6219091

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1907.

Download the Data

  • Data for Southern Hills 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

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