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Built 2026-10-19 (19 October 2026)

Sumner 3 SW Threshold Days by Year (USC00238188)

5 fixed thresholds counted per year at Sumner 3 SW (USC00238188): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sumner 3 SW Thresholds

  • Sumner 3 SW: days with 10 mm (0.39 in) or more of precipitation in 47 years, most in 1973 with 48.
  • Sumner 3 SW: days with 25 mm (0.98 in) or more of precipitation in 47 years, most in 1961 with 19.
  • Sumner 3 SW: days with 50 mm (1.97 in) or more of precipitation in 42 years, most in 2010 with 8.
  • Sumner 3 SW: days with 10 cm (3.9 in) or more of snowfall in 31 years, most in 1960 with 6.
  • 5 fixed thresholds have at least one qualifying day at Sumner 3 SW.
47 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Sumner 3 SW Days per year at Sumner 3 SW with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 48 in 1973. 02040601949: 371950: 181951: 321952: 271953: 221954: 251955: 201956: 161957: 331958: 301959: 331960: 301961: 431962: 321963: 191964: 241965: 301966: 221967: 421968: 331969: 441970: 311971: 281972: 251973: 481974: 291975: 271976: 211980: 241981: 351994: 291995: 371996: 271997: 381998: 431999: 282000: 322001: 382002: 302003: 262004: 332005: 252006: 332007: 312008: 412009: 422010: 361949195419591964196919741994199920042009
Days per year at Sumner 3 SW with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 48 in 1973.
Days with 10 mm (0.39 in) or more of precipitation per year at Sumner 3 SW
YearDaysDecade average
19493737
19501825.6
19513225.6
19522725.6
19532225.6
19542525.6
19552025.6
19561625.6
19573325.6
19583025.6
19593325.6
19603031.9
19614331.9
19623231.9
19631931.9
19642431.9
19653031.9
19662231.9
19674231.9
19683331.9
19694431.9
19703129.9
19712829.9
19722529.9
19734829.9
19742929.9
19752729.9
19762129.9
19802429.5
19813529.5
19942933.7
19953733.7
19962733.7
19973833.7
19984333.7
19992833.7
20003233.1
20013833.1
20023033.1
20032633.1
20043333.1
20052533.1
20063333.1
20073133.1
20084133.1
20094233.1
20103636
First to last qualifying date each year at Sumner 3 SW For each year, a bar from the first to the last day at Sumner 3 SW meeting 10 mm (0.39 in). 1949: 10 January 1949 to 22 December 19491950: 2 January 1950 to 30 August 19501951: 3 January 1951 to 12 November 19511952: 2 March 1952 to 20 December 19521953: 6 February 1953 to 3 December 19531954: 20 January 1954 to 30 December 19541955: 5 January 1955 to 7 October 19551956: 28 April 1956 to 8 December 19561957: 22 January 1957 to 31 December 19571958: 21 January 1958 to 31 December 19581959: 21 January 1959 to 28 December 19591960: 15 January 1960 to 11 December 19601961: 18 February 1961 to 16 November 19611962: 19 January 1962 to 16 November 19621963: 4 March 1963 to 22 November 19631964: 14 March 1964 to 11 December 19641965: 1 January 1965 to 24 December 19651966: 12 March 1966 to 28 December 19661967: 25 January 1967 to 10 December 19671968: 1 February 1968 to 27 December 19681969: 8 February 1969 to 7 December 19691970: 1 April 1970 to 11 December 19701971: 3 January 1971 to 30 December 19711972: 27 January 1972 to 30 December 19721973: 3 January 1973 to 4 December 19731974: 27 January 1974 to 10 November 19741975: 19 January 1975 to 15 December 19751976: 16 February 1976 to 23 November 19761980: 16 January 1980 to 8 December 19801981: 23 February 1981 to 23 December 19811994: 20 February 1994 to 7 December 19941995: 28 January 1995 to 31 October 19951996: 18 January 1996 to 30 November 19961997: 26 January 1997 to 25 December 19971998: 5 January 1998 to 7 December 19981999: 22 January 1999 to 9 December 19992000: 4 January 2000 to 9 November 20002001: 14 January 2001 to 13 December 20012002: 30 January 2002 to 19 December 20022003: 15 February 2003 to 10 December 20032004: 26 March 2004 to 27 November 20042005: 3 January 2005 to 25 December 20052006: 21 January 2006 to 21 December 20062007: 13 February 2007 to 11 December 20072008: 8 January 2008 to 28 December 20082009: 10 February 2009 to 25 December 20092010: 22 February 2010 to 31 December 201019491955196119671973199420002006JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Sumner 3 SW meeting 10 mm (0.39 in).
First to last qualifying date each year at Sumner 3 SW
YearFirst dateLast date
19491949-01-101949-12-22
19501950-01-021950-08-30
19511951-01-031951-11-12
19521952-03-021952-12-20
19531953-02-061953-12-03
19541954-01-201954-12-30
19551955-01-051955-10-07
19561956-04-281956-12-08
19571957-01-221957-12-31
19581958-01-211958-12-31
19591959-01-211959-12-28
19601960-01-151960-12-11
19611961-02-181961-11-16
19621962-01-191962-11-16
19631963-03-041963-11-22
19641964-03-141964-12-11
19651965-01-011965-12-24
19661966-03-121966-12-28
19671967-01-251967-12-10
19681968-02-011968-12-27
19691969-02-081969-12-07
19701970-04-011970-12-11
19711971-01-031971-12-30
19721972-01-271972-12-30
19731973-01-031973-12-04
19741974-01-271974-11-10
19751975-01-191975-12-15
19761976-02-161976-11-23
19801980-01-161980-12-08
19811981-02-231981-12-23
19941994-02-201994-12-07
19951995-01-281995-10-31
19961996-01-181996-11-30
19971997-01-261997-12-25
19981998-01-051998-12-07
19991999-01-221999-12-09
20002000-01-042000-11-09
20012001-01-142001-12-13
20022002-01-302002-12-19
20032003-02-152003-12-10
20042004-03-262004-11-27
20052005-01-032005-12-25
20062006-01-212006-12-21
20072007-02-132007-12-11
20082008-01-082008-12-28
20092009-02-102009-12-25
20102010-02-222010-12-31

Every Fixed Threshold

Fixed thresholds at Sumner 3 SW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4748197336
25 mm (0.98 in): Days with 25 mm or more rain4719196115
50 mm (1.97 in): Days with 50 mm or more rain42820108
100 mm (3.94 in): Days with 100 mm or more rain9219981
10 cm (3.9 in): Days with 10 cm or more snowfall31619601

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

Download the Data

  • Data for Sumner 3 SW 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).