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Built 2026-10-19 (19 October 2026)

Sparta Wwtp Threshold Days by Year (USC00408522)

17 fixed thresholds counted per year at Sparta Wwtp (USC00408522): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sparta Wwtp Thresholds

  • Sparta Wwtp: days with 10 mm (0.39 in) or more of precipitation in 71 years, most in 1950 with 67.
  • Sparta Wwtp: days with 25 mm (0.98 in) or more of precipitation in 71 years, most in 1975 with 26.
  • Sparta Wwtp: days with 50 mm (1.97 in) or more of precipitation in 65 years, most in 2018 with 10.
  • Sparta Wwtp: nights with a minimum temperature at or below 0 C (32 F) in 56 years, most in 1968 with 116.
  • 17 fixed thresholds have at least one qualifying day at Sparta Wwtp.
55 years with a qualifying day
Days at or above 30 C (86 F) per year at Sparta Wwtp Days per year at Sparta Wwtp with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 126 in 2007. 0501001501962: 911963: 611964: 791965: 591966: 621967: 351968: 731969: 871970: 921972: 711973: 901974: 731975: 841976: 621977: 981978: 981979: 591981: 831986: 1011987: 941988: 831989: 481990: 771991: 711992: 451993: 931995: 691996: 691997: 681998: 1071999: 872000: 702001: 722002: 1022003: 622004: 912005: 1032006: 872007: 1262009: 732012: 852013: 592014: 662015: 672016: 1112017: 772018: 1022019: 1082020: 812021: 662022: 772023: 442024: 772025: 672026: 881962196819751986199219992005201420202026
Days per year at Sparta Wwtp with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 126 in 2007.
Days at or above 30 C (86 F) per year at Sparta Wwtp
YearDaysDecade average
19629168.4
19636168.4
19647968.4
19655968.4
19666268.4
19673568.4
19687368.4
19698768.4
19709280.8
19727180.8
19739080.8
19747380.8
19758480.8
19766280.8
19779880.8
19789880.8
19795980.8
19818381.8
198610181.8
19879481.8
19888381.8
19894881.8
19907776.2
19917176.2
19924576.2
19939376.2
19956976.2
19966976.2
19976876.2
199810776.2
19998776.2
20007087.3
20017287.3
200210287.3
20036287.3
20049187.3
200510387.3
20068787.3
200712687.3
20097387.3
20128584.4
20135984.4
20146684.4
20156784.4
201611184.4
20177784.4
201810284.4
201910884.4
20208171.4
20216671.4
20227771.4
20234471.4
20247771.4
20256771.4
20268871.4
First to last qualifying date each year at Sparta Wwtp For each year, a bar from the first to the last day at Sparta Wwtp meeting 30 C (86 F). 1962: 1 May 1962 to 13 September 19621963: 22 April 1963 to 22 September 19631964: 21 April 1964 to 22 September 19641965: 24 April 1965 to 23 September 19651966: 22 May 1966 to 4 September 19661967: 27 May 1967 to 4 October 19671968: 16 May 1968 to 17 October 19681969: 6 May 1969 to 14 October 19691970: 10 May 1970 to 25 September 19701972: 6 June 1972 to 24 September 19721973: 3 June 1973 to 5 October 19731974: 15 May 1974 to 13 September 19741975: 28 April 1975 to 11 September 19751976: 20 April 1976 to 9 September 19761977: 14 April 1977 to 24 September 19771978: 10 April 1978 to 22 September 19781979: 11 May 1979 to 13 September 19791981: 30 April 1981 to 14 September 19811986: 31 March 1986 to 4 October 19861987: 21 April 1987 to 15 September 19871988: 5 April 1988 to 23 September 19881989: 26 April 1989 to 13 September 19891990: 25 April 1990 to 11 September 19901991: 17 May 1991 to 29 October 19911992: 1 May 1992 to 9 September 19921993: 14 April 1993 to 22 September 19931995: 10 April 1995 to 11 September 19951996: 9 May 1996 to 10 September 19961997: 18 May 1997 to 21 September 19971998: 13 May 1998 to 30 September 19981999: 4 April 1999 to 28 September 19992000: 7 May 2000 to 19 September 20002001: 10 April 2001 to 7 September 20012002: 16 April 2002 to 2 October 20022003: 9 May 2003 to 2 November 20032004: 28 March 2004 to 25 September 20042005: 11 May 2005 to 3 October 20052006: 25 May 2006 to 23 September 20062007: 30 April 2007 to 9 October 20072009: 25 April 2009 to 26 September 20092012: 30 April 2012 to 8 September 20122013: 11 April 2013 to 6 October 20132014: 5 May 2014 to 11 September 20142015: 8 May 2015 to 9 September 20152016: 21 April 2016 to 2 November 20162017: 15 April 2017 to 10 October 20172018: 4 May 2018 to 9 October 20182019: 1 May 2019 to 6 October 20192020: 17 May 2020 to 13 September 20202021: 22 May 2021 to 30 September 20212022: 14 April 2022 to 23 September 20222023: 4 June 2023 to 27 September 20232024: 17 April 2024 to 7 October 20242025: 5 April 2025 to 2 October 20252026: 18 May 2026 to 15 October 202619621969197719891997200420142021JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Sparta Wwtp meeting 30 C (86 F).
First to last qualifying date each year at Sparta Wwtp
YearFirst dateLast date
19621962-05-011962-09-13
19631963-04-221963-09-22
19641964-04-211964-09-22
19651965-04-241965-09-23
19661966-05-221966-09-04
19671967-05-271967-10-04
19681968-05-161968-10-17
19691969-05-061969-10-14
19701970-05-101970-09-25
19721972-06-061972-09-24
19731973-06-031973-10-05
19741974-05-151974-09-13
19751975-04-281975-09-11
19761976-04-201976-09-09
19771977-04-141977-09-24
19781978-04-101978-09-22
19791979-05-111979-09-13
19811981-04-301981-09-14
19861986-03-311986-10-04
19871987-04-211987-09-15
19881988-04-051988-09-23
19891989-04-261989-09-13
19901990-04-251990-09-11
19911991-05-171991-10-29
19921992-05-011992-09-09
19931993-04-141993-09-22
19951995-04-101995-09-11
19961996-05-091996-09-10
19971997-05-181997-09-21
19981998-05-131998-09-30
19991999-04-041999-09-28
20002000-05-072000-09-19
20012001-04-102001-09-07
20022002-04-162002-10-02
20032003-05-092003-11-02
20042004-03-282004-09-25
20052005-05-112005-10-03
20062006-05-252006-09-23
20072007-04-302007-10-09
20092009-04-252009-09-26
20122012-04-302012-09-08
20132013-04-112013-10-06
20142014-05-052014-09-11
20152015-05-082015-09-09
20162016-04-212016-11-02
20172017-04-152017-10-10
20182018-05-042018-10-09
20192019-05-012019-10-06
20202020-05-172020-09-13
20212021-05-222021-09-30
20222022-04-142022-09-23
20232023-06-042023-09-27
20242024-04-172024-10-07
20252025-04-052025-10-02
20262026-05-182026-10-15

Every Fixed Threshold

Fixed thresholds at Sparta Wwtp
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days55126200788
35 C (95 F): Days4121200711
40 C (104 F): Days1420124
90 F (32.2 C): Days5563201640
100 F (37.8 C): Days510201210
0 C (32 F): Ice days (max542719786
0 C (32 F): Frost days (min56116196850
-10 C (14 F): Days with min553019778
-20 C (-4 F): Days with min12519622
20 C (68 F): Tropical nights (min5562201645
25 C (77 F): Days with min1120201
10 mm (0.39 in): Days with 10 mm or more rain7167195032
25 mm (0.98 in): Days with 25 mm or more rain712619759
50 mm (1.97 in): Days with 50 mm or more rain651020183
100 mm (3.94 in): Days with 100 mm or more rain15219751
10 cm (3.9 in): Days with 10 cm or more snowfall13319601
25 cm (9.8 in): Days with 25 cm or more snowfall1219602

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1962.

Download the Data

  • Data for Sparta Wwtp 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 (2026-10-17).