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Built 2026-10-17 (17 October 2026)

Leakey Threshold Days by Year

12 fixed thresholds counted per year at Leakey (USC00415113): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Leakey Thresholds

  • Leakey: days with 10 mm (0.39 in) or more of precipitation in 23 years, most in 1991 with 32.
  • Leakey: days with 25 mm (0.98 in) or more of precipitation in 23 years, most in 1997 with 18.
  • Leakey: days with 50 mm (1.97 in) or more of precipitation in 22 years, most in 1991 with 9.
  • Leakey: days with 100 mm (3.94 in) or more of precipitation in 11 years, most in 1994 with 3.
  • 12 fixed thresholds have at least one qualifying day at Leakey.
23 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Leakey Days per year at Leakey with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 32 in 1991. 0102030401989: 191990: 221991: 321994: 171997: 291998: 241999: 142000: 252001: 262002: 272003: 212004: 292005: 222006: 212007: 292008: 152010: 292011: 132012: 212013: 182014: 132015: 262016: 2519891994199920022005200820122015
Days per year at Leakey with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 32 in 1991.
Days with 10 mm (0.39 in) or more of precipitation per year at Leakey
YearDaysDecade average
19891919
19902223
19913223
19941723
19972923
19982423
19991423
20002523.9
20012623.9
20022723.9
20032123.9
20042923.9
20052223.9
20062123.9
20072923.9
20081523.9
20102920.7
20111320.7
20122120.7
20131820.7
20141320.7
20152620.7
20162520.7
First to last qualifying date each year at Leakey For each year, a bar from the first to the last day at Leakey meeting 10 mm (0.39 in). 1989: 20 January 1989 to 1 December 19891990: 1 February 1990 to 7 November 19901991: 9 January 1991 to 26 December 19911994: 21 January 1994 to 29 December 19941997: 12 February 1997 to 3 December 19971998: 6 January 1998 to 10 December 19981999: 18 March 1999 to 18 October 19992000: 2 February 2000 to 27 December 20002001: 10 January 2001 to 17 December 20012002: 20 March 2002 to 9 December 20022003: 14 February 2003 to 17 November 20032004: 15 January 2004 to 17 November 20042005: 27 January 2005 to 28 October 20052006: 30 January 2006 to 22 December 20062007: 3 January 2007 to 26 November 20072008: 10 March 2008 to 10 September 20082010: 20 January 2010 to 24 December 20102011: 10 January 2011 to 15 December 20112012: 25 January 2012 to 28 September 20122013: 9 January 2013 to 23 November 20132014: 18 February 2014 to 6 November 20142015: 10 January 2015 to 28 December 20152016: 4 January 2016 to 5 December 201619891994199920022005200820122015JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Leakey meeting 10 mm (0.39 in).
First to last qualifying date each year at Leakey
YearFirst dateLast date
19891989-01-201989-12-01
19901990-02-011990-11-07
19911991-01-091991-12-26
19941994-01-211994-12-29
19971997-02-121997-12-03
19981998-01-061998-12-10
19991999-03-181999-10-18
20002000-02-022000-12-27
20012001-01-102001-12-17
20022002-03-202002-12-09
20032003-02-142003-11-17
20042004-01-152004-11-17
20052005-01-272005-10-28
20062006-01-302006-12-22
20072007-01-032007-11-26
20082008-03-102008-09-10
20102010-01-202010-12-24
20112011-01-102011-12-15
20122012-01-252012-09-28
20132013-01-092013-11-23
20142014-02-182014-11-06
20152015-01-102015-12-28
20162016-01-042016-12-05

Every Fixed Threshold

Fixed thresholds at Leakey
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days11221895122
35 C (95 F): Days116189516
90 F (32.2 C): Days177189577
0 C (32 F): Frost days (min139189539
-10 C (14 F): Days with min1218952
20 C (68 F): Tropical nights (min11241895124
25 C (77 F): Days with min144189544
10 mm (0.39 in): Days with 10 mm or more rain2332199125
25 mm (0.98 in): Days with 25 mm or more rain2318199715
50 mm (1.97 in): Days with 50 mm or more rain22919915
100 mm (3.94 in): Days with 100 mm or more rain11319941
200 mm (7.87 in): Days with 200 mm or more rain2120021

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1895.

Download the Data

  • Data for Leakey 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

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