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Built 2026-10-18 (18 October 2026)

Ambo Station Threshold Days by Year

4 fixed thresholds counted per year at Ambo Station (ASN00036002): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ambo Station Thresholds

  • Ambo Station: days with 10 mm (0.39 in) or more of precipitation in 44 years, most in 1941 with 26.
  • Ambo Station: days with 25 mm (0.98 in) or more of precipitation in 43 years, most in 1941 with 13.
  • Ambo Station: days with 50 mm (1.97 in) or more of precipitation in 31 years, most in 1975 with 5.
  • Ambo Station: days with 100 mm (3.94 in) or more of precipitation in 6 years, most in 1989 with 2.
  • 4 fixed thresholds have at least one qualifying day at Ambo Station.
44 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Ambo Station Days per year at Ambo Station with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 26 in 1941. 01020301940: 151941: 261942: 101975: 131977: 181978: 191979: 91980: 111981: 201982: 111983: 131984: 81985: 71986: 71987: 91988: 91989: 171990: 181991: 151992: 111993: 111994: 81995: 81996: 111997: 61998: 131999: 172000: 242001: 142002: 52003: 92004: 92005: 92006: 82016: 172017: 72018: 52019: 72020: 62021: 112022: 202024: 122025: 212026: 13194019781983198819931998200320172022
Days per year at Ambo Station with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 26 in 1941.
Days with 10 mm (0.39 in) or more of precipitation per year at Ambo Station
YearDaysDecade average
19401517
19412617
19421017
19751314.8
19771814.8
19781914.8
1979914.8
19801111.2
19812011.2
19821111.2
19831311.2
1984811.2
1985711.2
1986711.2
1987911.2
1988911.2
19891711.2
19901811.8
19911511.8
19921111.8
19931111.8
1994811.8
1995811.8
19961111.8
1997611.8
19981311.8
19991711.8
20002411.1
20011411.1
2002511.1
2003911.1
2004911.1
2005911.1
2006811.1
2016179
201779
201859
201979
2020613.8
20211113.8
20222013.8
20241213.8
20252113.8
20261313.8
First to last qualifying date each year at Ambo Station For each year, a bar from the first to the last day at Ambo Station meeting 10 mm (0.39 in). 1940: 8 January 1940 to 19 December 19401941: 2 January 1941 to 2 December 19411942: 25 February 1942 to 28 December 19421975: 2 January 1975 to 26 December 19751977: 4 January 1977 to 9 December 19771978: 14 January 1978 to 14 December 19781979: 5 February 1979 to 27 December 19791980: 5 January 1980 to 24 October 19801981: 15 January 1981 to 24 December 19811982: 6 January 1982 to 31 December 19821983: 19 March 1983 to 3 December 19831984: 12 January 1984 to 20 December 19841985: 22 April 1985 to 14 November 19851986: 3 February 1986 to 5 December 19861987: 1 January 1987 to 23 June 19871988: 16 March 1988 to 24 December 19881989: 3 February 1989 to 15 December 19891990: 1 February 1990 to 25 December 19901991: 5 January 1991 to 12 December 19911992: 4 February 1992 to 30 December 19921993: 6 January 1993 to 18 December 19931994: 1 February 1994 to 30 November 19941995: 9 January 1995 to 20 November 19951996: 1 January 1996 to 7 November 19961997: 28 January 1997 to 27 December 19971998: 11 January 1998 to 31 December 19981999: 2 January 1999 to 19 December 19992000: 25 January 2000 to 29 December 20002001: 31 January 2001 to 16 December 20012002: 5 January 2002 to 19 August 20022003: 24 January 2003 to 28 December 20032004: 13 January 2004 to 12 December 20042005: 5 January 2005 to 2 December 20052006: 10 March 2006 to 7 December 20062016: 2 January 2016 to 23 December 20162017: 7 January 2017 to 21 November 20172018: 28 February 2018 to 13 December 20182019: 31 January 2019 to 30 March 20192020: 16 January 2020 to 28 December 20202021: 4 January 2021 to 30 November 20212022: 10 January 2022 to 25 December 20222024: 4 January 2024 to 20 December 20242025: 2 January 2025 to 30 December 20252026: 2 January 2026 to 30 June 202619401979198519911997200320182025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ambo Station meeting 10 mm (0.39 in).
First to last qualifying date each year at Ambo Station
YearFirst dateLast date
19401940-01-081940-12-19
19411941-01-021941-12-02
19421942-02-251942-12-28
19751975-01-021975-12-26
19771977-01-041977-12-09
19781978-01-141978-12-14
19791979-02-051979-12-27
19801980-01-051980-10-24
19811981-01-151981-12-24
19821982-01-061982-12-31
19831983-03-191983-12-03
19841984-01-121984-12-20
19851985-04-221985-11-14
19861986-02-031986-12-05
19871987-01-011987-06-23
19881988-03-161988-12-24
19891989-02-031989-12-15
19901990-02-011990-12-25
19911991-01-051991-12-12
19921992-02-041992-12-30
19931993-01-061993-12-18
19941994-02-011994-11-30
19951995-01-091995-11-20
19961996-01-011996-11-07
19971997-01-281997-12-27
19981998-01-111998-12-31
19991999-01-021999-12-19
20002000-01-252000-12-29
20012001-01-312001-12-16
20022002-01-052002-08-19
20032003-01-242003-12-28
20042004-01-132004-12-12
20052005-01-052005-12-02
20062006-03-102006-12-07
20162016-01-022016-12-23
20172017-01-072017-11-21
20182018-02-282018-12-13
20192019-01-312019-03-30
20202020-01-162020-12-28
20212021-01-042021-11-30
20222022-01-102022-12-25
20242024-01-042024-12-20
20252025-01-022025-12-30
20262026-01-022026-06-30

Every Fixed Threshold

Fixed thresholds at Ambo Station
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4426194113
25 mm (0.98 in): Days with 25 mm or more rain431319416
50 mm (1.97 in): Days with 50 mm or more rain31519753
100 mm (3.94 in): Days with 100 mm or more rain6219892

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1940.

Download the Data

  • Data for Ambo Station 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 (2026-10-12).