Daily records
Page built 2026-10-19
Data as of 2026-10-17
Search
Built 2026-10-19 (19 October 2026)

Olton Threshold Days by Year (USC00416644)

18 fixed thresholds counted per year at Olton (USC00416644): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Olton Thresholds

  • Olton: days with 10 mm (0.39 in) or more of precipitation in 64 years, most in 1941 with 35.
  • Olton: days with 25 mm (0.98 in) or more of precipitation in 61 years, most in 1941 with 12.
  • Olton: days with a maximum temperature at or above 30 C (86 F) in 50 years, most in 2020 with 136.
  • Olton: days with a maximum temperature at or above 35 C (95 F) in 50 years, most in 2011 with 66.
  • 18 fixed thresholds have at least one qualifying day at Olton.
50 years with a qualifying day
Days at or above 30 C (86 F) per year at Olton Days per year at Olton with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 136 in 2020. 0501001501943: 1261944: 981964: 1061965: 1021966: 741967: 841968: 831969: 941970: 1001971: 941977: 1041978: 1031979: 931980: 1091982: 951983: 841987: 741988: 801989: 941990: 971991: 951992: 661993: 991994: 981995: 911996: 951997: 971998: 1241999: 922000: 1132001: 962005: 1122006: 1092010: 1022011: 1352012: 1262013: 982014: 882015: 862016: 912017: 972018: 1182019: 1052020: 1362021: 1012022: 1242023: 1062024: 1322025: 1112026: 1271943196719771983199119962001201220172022
Days per year at Olton with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 136 in 2020.
Days at or above 30 C (86 F) per year at Olton
YearDaysDecade average
1943126112
194498112
196410690.5
196510290.5
19667490.5
19678490.5
19688390.5
19699490.5
197010098.8
19719498.8
197710498.8
197810398.8
19799398.8
198010989.3
19829589.3
19838489.3
19877489.3
19888089.3
19899489.3
19909795.4
19919595.4
19926695.4
19939995.4
19949895.4
19959195.4
19969595.4
19979795.4
199812495.4
19999295.4
2000113107.5
200196107.5
2005112107.5
2006109107.5
2010102104.6
2011135104.6
2012126104.6
201398104.6
201488104.6
201586104.6
201691104.6
201797104.6
2018118104.6
2019105104.6
2020136119.6
2021101119.6
2022124119.6
2023106119.6
2024132119.6
2025111119.6
2026127119.6
First to last qualifying date each year at Olton For each year, a bar from the first to the last day at Olton meeting 30 C (86 F). 1943: 31 March 1943 to 31 October 19431944: 7 May 1944 to 3 November 19441964: 16 April 1964 to 17 October 19641965: 21 April 1965 to 16 October 19651966: 9 May 1966 to 30 September 19661967: 30 March 1967 to 20 October 19671968: 3 May 1968 to 31 October 19681969: 1 May 1969 to 10 October 19691970: 8 May 1970 to 25 September 19701971: 28 March 1971 to 29 September 19711977: 28 May 1977 to 1 October 19771978: 2 April 1978 to 13 October 19781979: 16 April 1979 to 27 October 19791980: 11 May 1980 to 2 October 19801982: 12 April 1982 to 6 October 19821983: 7 May 1983 to 7 October 19831987: 18 April 1987 to 9 October 19871988: 7 May 1988 to 18 October 19881989: 11 March 1989 to 16 October 19891990: 17 April 1990 to 28 September 19901991: 8 April 1991 to 18 October 19911992: 29 April 1992 to 14 October 19921993: 11 April 1993 to 6 October 19931994: 18 March 1994 to 4 October 19941995: 22 March 1995 to 19 October 19951996: 11 April 1996 to 21 November 19961997: 22 March 1997 to 5 October 19971998: 26 March 1998 to 16 October 19981999: 9 May 1999 to 16 October 19992000: 6 April 2000 to 5 October 20002001: 5 April 2001 to 5 October 20012005: 21 April 2005 to 19 October 20052006: 1 March 2006 to 10 November 20062010: 1 April 2010 to 31 October 20102011: 18 March 2011 to 18 October 20112012: 25 March 2012 to 24 October 20122013: 18 April 2013 to 4 October 20132014: 10 April 2014 to 27 October 20142015: 1 April 2015 to 16 October 20152016: 8 May 2016 to 30 October 20162017: 12 February 2017 to 15 October 20172018: 23 March 2018 to 6 October 20182019: 10 April 2019 to 28 September 20192020: 26 March 2020 to 20 November 20202021: 7 April 2021 to 27 October 20212022: 28 March 2022 to 29 September 20222023: 4 April 2023 to 22 October 20232024: 15 April 2024 to 29 October 20242025: 4 February 2025 to 5 November 20252026: 2 March 2026 to 13 October 202619431969198219921999201220192026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Olton meeting 30 C (86 F).
First to last qualifying date each year at Olton
YearFirst dateLast date
19431943-03-311943-10-31
19441944-05-071944-11-03
19641964-04-161964-10-17
19651965-04-211965-10-16
19661966-05-091966-09-30
19671967-03-301967-10-20
19681968-05-031968-10-31
19691969-05-011969-10-10
19701970-05-081970-09-25
19711971-03-281971-09-29
19771977-05-281977-10-01
19781978-04-021978-10-13
19791979-04-161979-10-27
19801980-05-111980-10-02
19821982-04-121982-10-06
19831983-05-071983-10-07
19871987-04-181987-10-09
19881988-05-071988-10-18
19891989-03-111989-10-16
19901990-04-171990-09-28
19911991-04-081991-10-18
19921992-04-291992-10-14
19931993-04-111993-10-06
19941994-03-181994-10-04
19951995-03-221995-10-19
19961996-04-111996-11-21
19971997-03-221997-10-05
19981998-03-261998-10-16
19991999-05-091999-10-16
20002000-04-062000-10-05
20012001-04-052001-10-05
20052005-04-212005-10-19
20062006-03-012006-11-10
20102010-04-012010-10-31
20112011-03-182011-10-18
20122012-03-252012-10-24
20132013-04-182013-10-04
20142014-04-102014-10-27
20152015-04-012015-10-16
20162016-05-082016-10-30
20172017-02-122017-10-15
20182018-03-232018-10-06
20192019-04-102019-09-28
20202020-03-262020-11-20
20212021-04-072021-10-27
20222022-03-282022-09-29
20232023-04-042023-10-22
20242024-04-152024-10-29
20252025-02-042025-11-05
20262026-03-022026-10-13

Every Fixed Threshold

Fixed thresholds at Olton
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days501362020127
35 C (95 F): Days5066201164
40 C (104 F): Days23720201
90 F (32.2 C): Days501172011108
100 F (37.8 C): Days4320201116
110 F (43.3 C): Days1119441
0 C (32 F): Ice days (max502019783
0 C (32 F): Frost days (min49142197044
-10 C (14 F): Days with min483119785
-20 C (-4 F): Days with min10219792
20 C (68 F): Tropical nights (min4346201152
25 C (77 F): Days with min1220202
10 mm (0.39 in): Days with 10 mm or more rain6435194114
25 mm (0.98 in): Days with 25 mm or more rain611219415
50 mm (1.97 in): Days with 50 mm or more rain32319662
100 mm (3.94 in): Days with 100 mm or more rain2119651
10 cm (3.9 in): Days with 10 cm or more snowfall30319311
25 cm (9.8 in): Days with 25 cm or more snowfall2119311

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1943.

Download the Data

  • Data for Olton 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).