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Built 2026-10-19 (19 October 2026)

Harrisville Sp Threshold Days by Year (USC00203628)

15 fixed thresholds counted per year at Harrisville Sp (USC00203628): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Harrisville Sp Thresholds

  • Harrisville Sp: days with a maximum temperature at or below 0 C (32 F) in 38 years, most in 2014 with 87.
  • Harrisville Sp: nights with a minimum temperature at or below 0 C (32 F) in 38 years, most in 2018 with 184.
  • Harrisville Sp: nights with a minimum temperature at or below -10 C (14 F) in 38 years, most in 2014 with 75.
  • Harrisville Sp: days with a maximum temperature at or above 30 C (86 F) in 37 years, most in 2002 with 22.
  • 15 fixed thresholds have at least one qualifying day at Harrisville Sp.
37 years with a qualifying day
Days at or above 30 C (86 F) per year at Harrisville Sp Days per year at Harrisville Sp with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 22 in 2002. 01020301972: 61973: 191974: 111975: 181976: 211977: 81978: 131979: 91981: 101982: 61998: 141999: 142000: 102001: 112002: 222003: 92004: 32005: 82006: 102007: 102008: 82009: 32010: 112011: 62012: 112013: 72015: 32016: 82017: 32018: 42019: 22020: 52021: 42023: 22024: 42025: 82026: 71972197619812000200420082012201720212026
Days per year at Harrisville Sp with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 22 in 2002.
Days at or above 30 C (86 F) per year at Harrisville Sp
YearDaysDecade average
1972613.1
19731913.1
19741113.1
19751813.1
19762113.1
1977813.1
19781313.1
1979913.1
1981108
198268
19981414
19991414
2000109.4
2001119.4
2002229.4
200399.4
200439.4
200589.4
2006109.4
2007109.4
200889.4
200939.4
2010116.1
201166.1
2012116.1
201376.1
201536.1
201686.1
201736.1
201846.1
201926.1
202055
202145
202325
202445
202585
202675
First to last qualifying date each year at Harrisville Sp For each year, a bar from the first to the last day at Harrisville Sp meeting 30 C (86 F). 1972: 14 June 1972 to 21 August 19721973: 8 June 1973 to 4 September 19731974: 20 June 1974 to 11 September 19741975: 20 May 1975 to 13 August 19751976: 16 April 1976 to 12 September 19761977: 17 June 1977 to 28 August 19771978: 27 May 1978 to 22 August 19781979: 8 May 1979 to 7 August 19791981: 14 June 1981 to 25 July 19811982: 11 May 1982 to 16 August 19821998: 19 May 1998 to 21 September 19981999: 7 June 1999 to 29 August 19992000: 6 May 2000 to 16 August 20002001: 30 June 2001 to 8 September 20012002: 18 April 2002 to 2 October 20022003: 16 April 2003 to 27 August 20032004: 9 June 2004 to 28 August 20042005: 25 June 2005 to 13 September 20052006: 30 May 2006 to 2 August 20062007: 28 June 2007 to 9 October 20072008: 27 May 2008 to 24 August 20082009: 22 May 2009 to 16 August 20092010: 16 April 2010 to 2 September 20102011: 1 June 2011 to 3 September 20112012: 20 June 2012 to 1 September 20122013: 24 June 2013 to 11 September 20132015: 21 July 2015 to 14 August 20152016: 12 June 2016 to 31 August 20162017: 18 May 2017 to 12 June 20172018: 18 June 2018 to 6 September 20182019: 17 July 2019 to 20 July 20192020: 11 June 2020 to 25 August 20202021: 26 May 2021 to 6 July 20212023: 4 August 2023 to 6 August 20232024: 14 June 2024 to 28 August 20242025: 22 June 2025 to 11 August 20252026: 27 May 2026 to 15 July 202619721977199820032008201320192025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Harrisville Sp meeting 30 C (86 F).
First to last qualifying date each year at Harrisville Sp
YearFirst dateLast date
19721972-06-141972-08-21
19731973-06-081973-09-04
19741974-06-201974-09-11
19751975-05-201975-08-13
19761976-04-161976-09-12
19771977-06-171977-08-28
19781978-05-271978-08-22
19791979-05-081979-08-07
19811981-06-141981-07-25
19821982-05-111982-08-16
19981998-05-191998-09-21
19991999-06-071999-08-29
20002000-05-062000-08-16
20012001-06-302001-09-08
20022002-04-182002-10-02
20032003-04-162003-08-27
20042004-06-092004-08-28
20052005-06-252005-09-13
20062006-05-302006-08-02
20072007-06-282007-10-09
20082008-05-272008-08-24
20092009-05-222009-08-16
20102010-04-162010-09-02
20112011-06-012011-09-03
20122012-06-202012-09-01
20132013-06-242013-09-11
20152015-07-212015-08-14
20162016-06-122016-08-31
20172017-05-182017-06-12
20182018-06-182018-09-06
20192019-07-172019-07-20
20202020-06-112020-08-25
20212021-05-262021-07-06
20232023-08-042023-08-06
20242024-06-142024-08-28
20252025-06-222025-08-11
20262026-05-272026-07-15

Every Fixed Threshold

Fixed thresholds at Harrisville Sp
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days372220027
35 C (95 F): Days12420021
90 F (32.2 C): Days311220023
100 F (37.8 C): Days3119771
0 C (32 F): Ice days (max3887201456
0 C (32 F): Frost days (min381842018111
-10 C (14 F): Days with min3875201440
-20 C (-4 F): Days with min291920146
-30 C (-22 F): Days with min1119791
20 C (68 F): Tropical nights (min291019733
10 mm (0.39 in): Days with 10 mm or more rain3435200615
25 mm (0.98 in): Days with 25 mm or more rain341020063
50 mm (1.97 in): Days with 50 mm or more rain18219721
10 cm (3.9 in): Days with 10 cm or more snowfall33819762
25 cm (9.8 in): Days with 25 cm or more snowfall5219741

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1972.

Download the Data

  • Data for Harrisville Sp 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).