Daily records
Page built 2026-10-19
Data as of 2026-10-17
Search
Built 2026-10-19 (19 October 2026)

Hillsboro Threshold Days by Year (USC00143667)

7 fixed thresholds counted per year at Hillsboro (USC00143667): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hillsboro Thresholds

  • Hillsboro: days with 10 mm (0.39 in) or more of precipitation in 74 years, most in 1973 with 40.
  • Hillsboro: days with 25 mm (0.98 in) or more of precipitation in 74 years, most in 1977 with 16.
  • Hillsboro: days with 50 mm (1.97 in) or more of precipitation in 68 years, most in 1951 with 7.
  • Hillsboro: days with 10 cm (3.9 in) or more of snowfall in 40 years, most in 1960 with 5.
  • 7 fixed thresholds have at least one qualifying day at Hillsboro.
74 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Hillsboro Days per year at Hillsboro with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 40 in 1973. 0102030401948: 241949: 301950: 201951: 361952: 201953: 211954: 171955: 121956: 141957: 361958: 281959: 291960: 311961: 311962: 331963: 201964: 271965: 251966: 141967: 331968: 271969: 281970: 171971: 331972: 261973: 401974: 281975: 261976: 201977: 351978: 211979: 321980: 131981: 301982: 261983: 261984: 211985: 281986: 291987: 321988: 191989: 191990: 231991: 261992: 321993: 341994: 201995: 271996: 251997: 261998: 311999: 322000: 222001: 222003: 272006: 242007: 312008: 312009: 282010: 282011: 212012: 212013: 332014: 202015: 362016: 282017: 232018: 352019: 272020: 252023: 252024: 232025: 342026: 231948195619641972198019881996200720152025
Days per year at Hillsboro with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 40 in 1973.
Days with 10 mm (0.39 in) or more of precipitation per year at Hillsboro
YearDaysDecade average
19482427
19493027
19502023.3
19513623.3
19522023.3
19532123.3
19541723.3
19551223.3
19561423.3
19573623.3
19582823.3
19592923.3
19603126.9
19613126.9
19623326.9
19632026.9
19642726.9
19652526.9
19661426.9
19673326.9
19682726.9
19692826.9
19701727.8
19713327.8
19722627.8
19734027.8
19742827.8
19752627.8
19762027.8
19773527.8
19782127.8
19793227.8
19801324.3
19813024.3
19822624.3
19832624.3
19842124.3
19852824.3
19862924.3
19873224.3
19881924.3
19891924.3
19902327.6
19912627.6
19923227.6
19933427.6
19942027.6
19952727.6
19962527.6
19972627.6
19983127.6
19993227.6
20002226.4
20012226.4
20032726.4
20062426.4
20073126.4
20083126.4
20092826.4
20102827.2
20112127.2
20122127.2
20133327.2
20142027.2
20153627.2
20162827.2
20172327.2
20183527.2
20192727.2
20202526
20232526
20242326
20253426
20262326
First to last qualifying date each year at Hillsboro For each year, a bar from the first to the last day at Hillsboro meeting 10 mm (0.39 in). 1948: 27 February 1948 to 28 November 19481949: 4 January 1949 to 21 December 19491950: 16 March 1950 to 16 September 19501951: 2 January 1951 to 27 October 19511952: 2 March 1952 to 22 December 19521953: 11 February 1953 to 3 December 19531954: 20 February 1954 to 5 December 19541955: 4 February 1955 to 27 September 19551956: 9 April 1956 to 23 December 19561957: 15 February 1957 to 25 December 19571958: 27 February 1958 to 18 November 19581959: 10 February 1959 to 27 December 19591960: 14 January 1960 to 11 December 19601961: 18 February 1961 to 9 December 19611962: 19 January 1962 to 27 November 19621963: 5 January 1963 to 20 November 19631964: 31 January 1964 to 10 December 19641965: 1 March 1965 to 24 December 19651966: 9 February 1966 to 28 December 19661967: 26 January 1967 to 18 December 19671968: 3 April 1968 to 19 December 19681969: 15 February 1969 to 6 December 19691970: 31 March 1970 to 9 October 19701971: 3 January 1971 to 18 November 19711972: 24 March 1972 to 30 December 19721973: 3 January 1973 to 31 December 19731974: 8 March 1974 to 11 December 19741975: 4 February 1975 to 30 November 19751976: 4 March 1976 to 30 October 19761977: 28 March 1977 to 5 December 19771978: 13 February 1978 to 31 December 19781979: 19 January 1979 to 29 December 19791980: 19 January 1980 to 8 December 19801981: 18 March 1981 to 30 November 19811982: 30 January 1982 to 28 December 19821983: 1 February 1983 to 27 November 19831984: 4 March 1984 to 16 December 19841985: 10 January 1985 to 11 December 19851986: 3 February 1986 to 3 October 19861987: 9 January 1987 to 27 December 19871988: 2 March 1988 to 16 November 19881989: 28 March 1989 to 28 October 19891990: 20 January 1990 to 4 November 19901991: 17 March 1991 to 20 December 19911992: 1 January 1992 to 14 December 19921993: 9 January 1993 to 4 December 19931994: 23 February 1994 to 7 December 19941995: 26 February 1995 to 30 September 19951996: 14 March 1996 to 17 November 19961997: 21 February 1997 to 24 December 19971998: 4 January 1998 to 7 December 19981999: 29 January 1999 to 5 December 19992000: 4 January 2000 to 26 October 20002001: 29 January 2001 to 17 October 20012003: 13 February 2003 to 12 December 20032006: 18 March 2006 to 20 December 20062007: 14 January 2007 to 23 December 20072008: 16 February 2008 to 11 November 20082009: 8 March 2009 to 30 October 20092010: 29 January 2010 to 18 November 20102011: 9 February 2011 to 20 December 20112012: 3 February 2012 to 11 November 20122013: 7 February 2013 to 22 December 20132014: 5 February 2014 to 18 December 20142015: 1 February 2015 to 27 December 20152016: 2 February 2016 to 4 December 20162017: 16 January 2017 to 15 October 20172018: 19 March 2018 to 27 December 20182019: 12 January 2019 to 29 December 20192020: 22 January 2020 to 30 December 20202023: 19 January 2023 to 24 December 20232024: 9 January 2024 to 19 November 20242025: 5 January 2025 to 21 November 20252026: 14 February 2026 to 14 October 202619481958196819781988199820112023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Hillsboro meeting 10 mm (0.39 in).
First to last qualifying date each year at Hillsboro
YearFirst dateLast date
19481948-02-271948-11-28
19491949-01-041949-12-21
19501950-03-161950-09-16
19511951-01-021951-10-27
19521952-03-021952-12-22
19531953-02-111953-12-03
19541954-02-201954-12-05
19551955-02-041955-09-27
19561956-04-091956-12-23
19571957-02-151957-12-25
19581958-02-271958-11-18
19591959-02-101959-12-27
19601960-01-141960-12-11
19611961-02-181961-12-09
19621962-01-191962-11-27
19631963-01-051963-11-20
19641964-01-311964-12-10
19651965-03-011965-12-24
19661966-02-091966-12-28
19671967-01-261967-12-18
19681968-04-031968-12-19
19691969-02-151969-12-06
19701970-03-311970-10-09
19711971-01-031971-11-18
19721972-03-241972-12-30
19731973-01-031973-12-31
19741974-03-081974-12-11
19751975-02-041975-11-30
19761976-03-041976-10-30
19771977-03-281977-12-05
19781978-02-131978-12-31
19791979-01-191979-12-29
19801980-01-191980-12-08
19811981-03-181981-11-30
19821982-01-301982-12-28
19831983-02-011983-11-27
19841984-03-041984-12-16
19851985-01-101985-12-11
19861986-02-031986-10-03
19871987-01-091987-12-27
19881988-03-021988-11-16
19891989-03-281989-10-28
19901990-01-201990-11-04
19911991-03-171991-12-20
19921992-01-011992-12-14
19931993-01-091993-12-04
19941994-02-231994-12-07
19951995-02-261995-09-30
19961996-03-141996-11-17
19971997-02-211997-12-24
19981998-01-041998-12-07
19991999-01-291999-12-05
20002000-01-042000-10-26
20012001-01-292001-10-17
20032003-02-132003-12-12
20062006-03-182006-12-20
20072007-01-142007-12-23
20082008-02-162008-11-11
20092009-03-082009-10-30
20102010-01-292010-11-18
20112011-02-092011-12-20
20122012-02-032012-11-11
20132013-02-072013-12-22
20142014-02-052014-12-18
20152015-02-012015-12-27
20162016-02-022016-12-04
20172017-01-162017-10-15
20182018-03-192018-12-27
20192019-01-122019-12-29
20202020-01-222020-12-30
20232023-01-192023-12-24
20242024-01-092024-11-19
20252025-01-052025-11-21
20262026-02-142026-10-14

Every Fixed Threshold

Fixed thresholds at Hillsboro
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain7440197323
25 mm (0.98 in): Days with 25 mm or more rain741619778
50 mm (1.97 in): Days with 50 mm or more rain68719514
100 mm (3.94 in): Days with 100 mm or more rain13219852
200 mm (7.87 in): Days with 200 mm or more rain1119631
10 cm (3.9 in): Days with 10 cm or more snowfall40519602
25 cm (9.8 in): Days with 25 cm or more snowfall4119621

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1948.

Download the Data

  • Data for Hillsboro 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).