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Built 2026-10-19 (19 October 2026)

Conlen Threshold Days by Year (USC00411946)

6 fixed thresholds counted per year at Conlen (USC00411946): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Conlen Thresholds

  • Conlen: days with 10 mm (0.39 in) or more of precipitation in 65 years, most in 1941 with 25.
  • Conlen: days with 25 mm (0.98 in) or more of precipitation in 64 years, most in 1941 with 9.
  • Conlen: days with 50 mm (1.97 in) or more of precipitation in 24 years, most in 1949 with 3.
  • Conlen: days with 10 cm (3.9 in) or more of snowfall in 13 years, most in 2002 with 4.
  • 6 fixed thresholds have at least one qualifying day at Conlen.
65 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Conlen Days per year at Conlen with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 25 in 1941. 01020301941: 251945: 91947: 181948: 211949: 191950: 181951: 141952: 121953: 71954: 71955: 101956: 91957: 151958: 191959: 131960: 211961: 181962: 161963: 151964: 111965: 171966: 131967: 191968: 191969: 151970: 61971: 211972: 161973: 141974: 111975: 91976: 121977: 121978: 171980: 151981: 161982: 121983: 131984: 141985: 161986: 141987: 91988: 171989: 111990: 181991: 231993: 161994: 231996: 191997: 171998: 151999: 162000: 122001: 152002: 142003: 132004: 172005: 132006: 162007: 132008: 102009: 112010: 152018: 132019: 71941195219591966197319811988199720042018
Days per year at Conlen with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 25 in 1941.
Days with 10 mm (0.39 in) or more of precipitation per year at Conlen
YearDaysDecade average
19412518.4
1945918.4
19471818.4
19482118.4
19491918.4
19501812.4
19511412.4
19521212.4
1953712.4
1954712.4
19551012.4
1956912.4
19571512.4
19581912.4
19591312.4
19602116.4
19611816.4
19621616.4
19631516.4
19641116.4
19651716.4
19661316.4
19671916.4
19681916.4
19691516.4
1970613.1
19712113.1
19721613.1
19731413.1
19741113.1
1975913.1
19761213.1
19771213.1
19781713.1
19801513.7
19811613.7
19821213.7
19831313.7
19841413.7
19851613.7
19861413.7
1987913.7
19881713.7
19891113.7
19901818.4
19912318.4
19931618.4
19942318.4
19961918.4
19971718.4
19981518.4
19991618.4
20001213.4
20011513.4
20021413.4
20031313.4
20041713.4
20051313.4
20061613.4
20071313.4
20081013.4
20091113.4
20101511.7
20181311.7
2019711.7
First to last qualifying date each year at Conlen For each year, a bar from the first to the last day at Conlen meeting 10 mm (0.39 in). 1941: 13 April 1941 to 30 October 19411945: 21 January 1945 to 13 October 19451947: 10 March 1947 to 4 December 19471948: 29 February 1948 to 1 November 19481949: 11 January 1949 to 28 August 19491950: 13 April 1950 to 30 September 19501951: 14 January 1951 to 27 October 19511952: 10 March 1952 to 28 August 19521953: 15 May 1953 to 20 October 19531954: 24 May 1954 to 6 October 19541955: 12 April 1955 to 25 September 19551956: 24 May 1956 to 18 August 19561957: 2 March 1957 to 12 October 19571958: 11 February 1958 to 17 November 19581959: 7 May 1959 to 17 December 19591960: 16 January 1960 to 10 December 19601961: 4 February 1961 to 14 November 19611962: 24 March 1962 to 5 October 19621963: 10 February 1963 to 31 August 19631964: 3 February 1964 to 2 December 19641965: 10 May 1965 to 24 December 19651966: 27 February 1966 to 27 December 19661967: 19 April 1967 to 19 September 19671968: 21 January 1968 to 2 November 19681969: 14 February 1969 to 12 October 19691970: 18 April 1970 to 26 October 19701971: 21 February 1971 to 2 December 19711972: 26 April 1972 to 21 November 19721973: 10 March 1973 to 31 December 19731974: 9 March 1974 to 28 October 19741975: 11 May 1975 to 21 September 19751976: 15 April 1976 to 27 September 19761977: 27 March 1977 to 22 August 19771978: 12 February 1978 to 26 October 19781980: 20 January 1980 to 25 November 19801981: 11 March 1981 to 22 December 19811982: 30 April 1982 to 1 October 19821983: 21 January 1983 to 3 December 19831984: 23 March 1984 to 15 December 19841985: 21 February 1985 to 14 November 19851986: 7 February 1986 to 4 November 19861987: 17 March 1987 to 18 September 19871988: 17 March 1988 to 22 September 19881989: 27 January 1989 to 12 September 19891990: 18 January 1990 to 3 November 19901991: 10 January 1991 to 26 December 19911993: 19 January 1993 to 8 September 19931994: 9 March 1994 to 31 December 19941996: 25 May 1996 to 30 November 19961997: 3 April 1997 to 23 December 19971998: 15 March 1998 to 2 November 19981999: 29 January 1999 to 5 December 19992000: 2 March 2000 to 24 October 20002001: 28 January 2001 to 12 December 20012002: 31 January 2002 to 24 December 20022003: 20 March 2003 to 21 September 20032004: 4 March 2004 to 23 November 20042005: 31 January 2005 to 10 October 20052006: 20 March 2006 to 30 December 20062007: 7 January 2007 to 23 December 20072008: 8 May 2008 to 15 October 20082009: 9 February 2009 to 29 October 20092010: 29 January 2010 to 17 December 20102018: 23 May 2018 to 25 December 20182019: 23 February 2019 to 28 December 201919411954196319721982199120022018JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Conlen meeting 10 mm (0.39 in).
First to last qualifying date each year at Conlen
YearFirst dateLast date
19411941-04-131941-10-30
19451945-01-211945-10-13
19471947-03-101947-12-04
19481948-02-291948-11-01
19491949-01-111949-08-28
19501950-04-131950-09-30
19511951-01-141951-10-27
19521952-03-101952-08-28
19531953-05-151953-10-20
19541954-05-241954-10-06
19551955-04-121955-09-25
19561956-05-241956-08-18
19571957-03-021957-10-12
19581958-02-111958-11-17
19591959-05-071959-12-17
19601960-01-161960-12-10
19611961-02-041961-11-14
19621962-03-241962-10-05
19631963-02-101963-08-31
19641964-02-031964-12-02
19651965-05-101965-12-24
19661966-02-271966-12-27
19671967-04-191967-09-19
19681968-01-211968-11-02
19691969-02-141969-10-12
19701970-04-181970-10-26
19711971-02-211971-12-02
19721972-04-261972-11-21
19731973-03-101973-12-31
19741974-03-091974-10-28
19751975-05-111975-09-21
19761976-04-151976-09-27
19771977-03-271977-08-22
19781978-02-121978-10-26
19801980-01-201980-11-25
19811981-03-111981-12-22
19821982-04-301982-10-01
19831983-01-211983-12-03
19841984-03-231984-12-15
19851985-02-211985-11-14
19861986-02-071986-11-04
19871987-03-171987-09-18
19881988-03-171988-09-22
19891989-01-271989-09-12
19901990-01-181990-11-03
19911991-01-101991-12-26
19931993-01-191993-09-08
19941994-03-091994-12-31
19961996-05-251996-11-30
19971997-04-031997-12-23
19981998-03-151998-11-02
19991999-01-291999-12-05
20002000-03-022000-10-24
20012001-01-282001-12-12
20022002-01-312002-12-24
20032003-03-202003-09-21
20042004-03-042004-11-23
20052005-01-312005-10-10
20062006-03-202006-12-30
20072007-01-072007-12-23
20082008-05-082008-10-15
20092009-02-092009-10-29
20102010-01-292010-12-17
20182018-05-232018-12-25
20192019-02-232019-12-28

Every Fixed Threshold

Fixed thresholds at Conlen
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain652519417
25 mm (0.98 in): Days with 25 mm or more rain64919412
50 mm (1.97 in): Days with 50 mm or more rain24319491
100 mm (3.94 in): Days with 100 mm or more rain2119721
10 cm (3.9 in): Days with 10 cm or more snowfall13420021
25 cm (9.8 in): Days with 25 cm or more snowfall5220021

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1941.

Download the Data

  • Data for Conlen 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 (2025-12-31).