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Built 2026-10-19 (19 October 2026)

Bear Basin Threshold Days by Year (USS0016E11S)

11 fixed thresholds counted per year at Bear Basin (USS0016E11S): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Bear Basin Thresholds

  • Bear Basin: days with 10 mm (0.39 in) or more of precipitation in 45 years, most in 1998 with 53.
  • Bear Basin: days with 25 mm (0.98 in) or more of precipitation in 42 years, most in 1996 with 10.
  • Bear Basin: days with a maximum temperature at or below 0 C (32 F) in 37 years, most in 1999 with 94.
  • Bear Basin: days with a maximum temperature at or above 30 C (86 F) in 35 years, most in 2007 with 47.
  • 11 fixed thresholds have at least one qualifying day at Bear Basin.
35 years with a qualifying day
Days at or above 30 C (86 F) per year at Bear Basin Days per year at Bear Basin with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 47 in 2007. 02040601989: 21990: 61991: 21992: 81994: 91996: 81998: 61999: 22000: 252001: 272002: 192003: 302004: 202005: 202006: 302007: 472008: 172009: 182010: 132011: 132012: 312013: 342014: 72015: 142016: 42017: 152018: 112019: 22020: 52021: 192022: 152023: 82024: 142025: 92026: 12198919942000200420082012201620202024
Days per year at Bear Basin with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 47 in 2007.
Days at or above 30 C (86 F) per year at Bear Basin
YearDaysDecade average
198922
199065.9
199125.9
199285.9
199495.9
199685.9
199865.9
199925.9
20002525.3
20012725.3
20021925.3
20033025.3
20042025.3
20052025.3
20063025.3
20074725.3
20081725.3
20091825.3
20101314.4
20111314.4
20123114.4
20133414.4
2014714.4
20151414.4
2016414.4
20171514.4
20181114.4
2019214.4
2020511.7
20211911.7
20221511.7
2023811.7
20241411.7
2025911.7
20261211.7
First to last qualifying date each year at Bear Basin For each year, a bar from the first to the last day at Bear Basin meeting 30 C (86 F). 1989: 19 July 1989 to 25 July 19891990: 11 July 1990 to 14 August 19901991: 9 August 1991 to 21 August 19911992: 31 July 1992 to 19 August 19921994: 21 July 1994 to 14 August 19941996: 2 July 1996 to 26 August 19961998: 17 July 1998 to 4 September 19981999: 27 July 1999 to 28 July 19992000: 30 June 2000 to 14 September 20002001: 24 May 2001 to 23 September 20012002: 25 June 2002 to 15 August 20022003: 18 June 2003 to 25 August 20032004: 23 June 2004 to 31 August 20042005: 12 July 2005 to 28 August 20052006: 26 June 2006 to 5 September 20062007: 3 June 2007 to 3 September 20072008: 28 June 2008 to 24 August 20082009: 16 July 2009 to 24 September 20092010: 28 June 2010 to 26 August 20102011: 6 July 2011 to 24 September 20112012: 30 June 2012 to 18 August 20122013: 28 June 2013 to 21 August 20132014: 6 July 2014 to 11 August 20142015: 26 June 2015 to 13 August 20152016: 29 June 2016 to 16 August 20162017: 5 July 2017 to 3 September 20172018: 5 July 2018 to 15 August 20182019: 4 August 2019 to 5 August 20192020: 30 July 2020 to 18 August 20202021: 27 June 2021 to 15 August 20212022: 12 July 2022 to 6 September 20222023: 16 July 2023 to 17 August 20232024: 9 July 2024 to 5 August 20242025: 1 July 2025 to 3 September 20252026: 10 July 2026 to 21 August 20261989199620022007201220172022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Bear Basin meeting 30 C (86 F).
First to last qualifying date each year at Bear Basin
YearFirst dateLast date
19891989-07-191989-07-25
19901990-07-111990-08-14
19911991-08-091991-08-21
19921992-07-311992-08-19
19941994-07-211994-08-14
19961996-07-021996-08-26
19981998-07-171998-09-04
19991999-07-271999-07-28
20002000-06-302000-09-14
20012001-05-242001-09-23
20022002-06-252002-08-15
20032003-06-182003-08-25
20042004-06-232004-08-31
20052005-07-122005-08-28
20062006-06-262006-09-05
20072007-06-032007-09-03
20082008-06-282008-08-24
20092009-07-162009-09-24
20102010-06-282010-08-26
20112011-07-062011-09-24
20122012-06-302012-08-18
20132013-06-282013-08-21
20142014-07-062014-08-11
20152015-06-262015-08-13
20162016-06-292016-08-16
20172017-07-052017-09-03
20182018-07-052018-08-15
20192019-08-042019-08-05
20202020-07-302020-08-18
20212021-06-272021-08-15
20222022-07-122022-09-06
20232023-07-162023-08-17
20242024-07-092024-08-05
20252025-07-012025-09-03
20262026-07-102026-08-21

Every Fixed Threshold

Fixed thresholds at Bear Basin
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3547200712
35 C (95 F): Days7520071
90 F (32.2 C): Days272020072
0 C (32 F): Ice days (max3794199920
0 C (32 F): Frost days (min332741999145
-10 C (14 F): Days with min3395202226
-20 C (-4 F): Days with min332919971
-30 C (-22 F): Days with min9319961
10 mm (0.39 in): Days with 10 mm or more rain4553199822
25 mm (0.98 in): Days with 25 mm or more rain421019963
50 mm (1.97 in): Days with 50 mm or more rain6119821

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1989.

Download the Data

  • Data for Bear Basin 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).