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Data as of 2025-12-31
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Built 2026-10-17 (17 October 2026)

Collierville Threshold Days by Year

15 fixed thresholds counted per year at Collierville (USC00401950): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Collierville Thresholds

  • Collierville: days with 10 mm (0.39 in) or more of precipitation in 15 years, most in 2003 with 51.
  • Collierville: days with 25 mm (0.98 in) or more of precipitation in 15 years, most in 2002 with 29.
  • Collierville: days with a maximum temperature at or above 30 C (86 F) in 14 years, most in 2007 with 130.
  • Collierville: days with a maximum temperature at or above 35 C (95 F) in 14 years, most in 2000 with 38.
  • 15 fixed thresholds have at least one qualifying day at Collierville.
14 years with a qualifying day
Days at or above 30 C (86 F) per year at Collierville Days per year at Collierville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 130 in 2007. 0501001501997: 821998: 971999: 1102000: 1102001: 1002002: 1052003: 682004: 782005: 1072006: 1062007: 1302008: 922024: 912025: 1101997199920012003200520072024
Days per year at Collierville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 130 in 2007.
Days at or above 30 C (86 F) per year at Collierville
YearDaysDecade average
19978296.3
19989796.3
199911096.3
200011099.6
200110099.6
200210599.6
20036899.6
20047899.6
200510799.6
200610699.6
200713099.6
20089299.6
202491100.5
2025110100.5
First to last qualifying date each year at Collierville For each year, a bar from the first to the last day at Collierville meeting 30 C (86 F). 1997: 18 May 1997 to 13 October 19971998: 13 May 1998 to 17 October 19981999: 5 April 1999 to 4 October 19992000: 20 April 2000 to 1 November 20002001: 10 April 2001 to 24 September 20012002: 16 April 2002 to 7 October 20022003: 14 April 2003 to 25 October 20032004: 7 May 2004 to 27 October 20042005: 22 April 2005 to 29 September 20052006: 18 April 2006 to 19 October 20062007: 30 March 2007 to 19 October 20072008: 24 April 2008 to 30 September 20082024: 2 May 2024 to 24 October 20242025: 3 April 2025 to 19 October 20251997199920012003200520072024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Collierville meeting 30 C (86 F).
First to last qualifying date each year at Collierville
YearFirst dateLast date
19971997-05-181997-10-13
19981998-05-131998-10-17
19991999-04-051999-10-04
20002000-04-202000-11-01
20012001-04-102001-09-24
20022002-04-162002-10-07
20032003-04-142003-10-25
20042004-05-072004-10-27
20052005-04-222005-09-29
20062006-04-182006-10-19
20072007-03-302007-10-19
20082008-04-242008-09-30
20242024-05-022024-10-24
20252025-04-032025-10-19

Every Fixed Threshold

Fixed thresholds at Collierville
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days141302007110
35 C (95 F): Days1438200022
40 C (104 F): Days2220001
90 F (32.2 C): Days1481200076
100 F (37.8 C): Days91420071
0 C (32 F): Ice days (max14820006
0 C (32 F): Frost days (min1482200857
-10 C (14 F): Days with min11719976
20 C (68 F): Tropical nights (min1492199878
25 C (77 F): Days with min9919983
10 mm (0.39 in): Days with 10 mm or more rain1551200327
25 mm (0.98 in): Days with 25 mm or more rain152920028
50 mm (1.97 in): Days with 50 mm or more rain14820034
100 mm (3.94 in): Days with 100 mm or more rain6320081
10 cm (3.9 in): Days with 10 cm or more snowfall2119972

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1997.

Download the Data

  • Data for Collierville 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).