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Built 2026-10-19 (19 October 2026)

Lavon Dam Threshold Days by Year (USC00415094)

16 fixed thresholds counted per year at Lavon Dam (USC00415094): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Lavon Dam Thresholds

  • Lavon Dam: days with 10 mm (0.39 in) or more of precipitation in 71 years, most in 1973 with 40.
  • Lavon Dam: days with 25 mm (0.98 in) or more of precipitation in 71 years, most in 1973 with 19.
  • Lavon Dam: days with 50 mm (1.97 in) or more of precipitation in 65 years, most in 1985 with 8.
  • Lavon Dam: days with a maximum temperature at or above 30 C (86 F) in 50 years, most in 1955 with 161.
  • 16 fixed thresholds have at least one qualifying day at Lavon Dam.
50 years with a qualifying day
Days at or above 30 C (86 F) per year at Lavon Dam Days per year at Lavon Dam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 161 in 1955. 0501001502001954: 1371955: 1611956: 1511957: 1091958: 1181959: 1201960: 1331961: 1081962: 1321963: 1501964: 1111965: 1171966: 1041967: 1081968: 1051969: 1181970: 1061971: 1091972: 1381973: 1121974: 931975: 1161976: 911978: 1311979: 1011980: 1421982: 1151983: 1071984: 1261985: 1181986: 1221987: 1311988: 1021989: 1191990: 1231991: 1251992: 1061993: 1141994: 1211995: 1271996: 1331999: 1242000: 1272001: 1292003: 1222005: 1422006: 1472008: 1222009: 972012: 1221954195919641969197419801986199119962005
Days per year at Lavon Dam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 161 in 1955.
Days at or above 30 C (86 F) per year at Lavon Dam
YearDaysDecade average
1954137132.7
1955161132.7
1956151132.7
1957109132.7
1958118132.7
1959120132.7
1960133118.6
1961108118.6
1962132118.6
1963150118.6
1964111118.6
1965117118.6
1966104118.6
1967108118.6
1968105118.6
1969118118.6
1970106110.8
1971109110.8
1972138110.8
1973112110.8
197493110.8
1975116110.8
197691110.8
1978131110.8
1979101110.8
1980142120.2
1982115120.2
1983107120.2
1984126120.2
1985118120.2
1986122120.2
1987131120.2
1988102120.2
1989119120.2
1990123121.6
1991125121.6
1992106121.6
1993114121.6
1994121121.6
1995127121.6
1996133121.6
1999124121.6
2000127126.6
2001129126.6
2003122126.6
2005142126.6
2006147126.6
2008122126.6
200997126.6
2012122122
First to last qualifying date each year at Lavon Dam For each year, a bar from the first to the last day at Lavon Dam meeting 30 C (86 F). 1954: 11 March 1954 to 14 October 19541955: 11 March 1955 to 25 December 19551956: 28 March 1956 to 15 October 19561957: 16 May 1957 to 6 October 19571958: 5 April 1958 to 20 October 19581959: 15 March 1959 to 11 October 19591960: 10 February 1960 to 14 October 19601961: 8 May 1961 to 14 October 19611962: 7 May 1962 to 21 October 19621963: 10 April 1963 to 8 November 19631964: 4 April 1964 to 18 October 19641965: 19 April 1965 to 26 November 19651966: 1 April 1966 to 15 October 19661967: 12 March 1967 to 6 October 19671968: 15 May 1968 to 21 October 19681969: 22 May 1969 to 21 October 19691970: 20 May 1970 to 5 October 19701971: 14 March 1971 to 3 October 19711972: 8 March 1972 to 19 October 19721973: 11 May 1973 to 11 October 19731974: 1 April 1974 to 21 September 19741975: 26 April 1975 to 14 October 19751976: 23 May 1976 to 3 October 19761978: 5 April 1978 to 23 October 19781979: 11 May 1979 to 30 September 19791980: 21 February 1980 to 11 November 19801982: 23 February 1982 to 8 October 19821983: 27 May 1983 to 18 October 19831984: 21 April 1984 to 26 September 19841985: 12 March 1985 to 25 October 19851986: 19 February 1986 to 4 October 19861987: 18 April 1987 to 5 November 19871988: 6 April 1988 to 8 November 19881989: 15 March 1989 to 15 November 19891990: 30 April 1990 to 16 October 19901991: 6 March 1991 to 25 October 19911992: 6 May 1992 to 27 October 19921993: 31 March 1993 to 9 October 19931994: 23 April 1994 to 7 October 19941995: 23 March 1995 to 27 October 19951996: 22 February 1996 to 18 October 19961999: 9 April 1999 to 17 October 19992000: 8 April 2000 to 16 October 20002001: 1 April 2001 to 24 October 20012003: 17 April 2003 to 1 November 20032005: 13 March 2005 to 10 November 20052006: 13 March 2006 to 27 October 20062008: 23 April 2008 to 13 October 20082009: 23 April 2009 to 9 October 20092012: 4 May 2012 to 28 September 201219541961196819751984199120002012JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Lavon Dam meeting 30 C (86 F).
First to last qualifying date each year at Lavon Dam
YearFirst dateLast date
19541954-03-111954-10-14
19551955-03-111955-12-25
19561956-03-281956-10-15
19571957-05-161957-10-06
19581958-04-051958-10-20
19591959-03-151959-10-11
19601960-02-101960-10-14
19611961-05-081961-10-14
19621962-05-071962-10-21
19631963-04-101963-11-08
19641964-04-041964-10-18
19651965-04-191965-11-26
19661966-04-011966-10-15
19671967-03-121967-10-06
19681968-05-151968-10-21
19691969-05-221969-10-21
19701970-05-201970-10-05
19711971-03-141971-10-03
19721972-03-081972-10-19
19731973-05-111973-10-11
19741974-04-011974-09-21
19751975-04-261975-10-14
19761976-05-231976-10-03
19781978-04-051978-10-23
19791979-05-111979-09-30
19801980-02-211980-11-11
19821982-02-231982-10-08
19831983-05-271983-10-18
19841984-04-211984-09-26
19851985-03-121985-10-25
19861986-02-191986-10-04
19871987-04-181987-11-05
19881988-04-061988-11-08
19891989-03-151989-11-15
19901990-04-301990-10-16
19911991-03-061991-10-25
19921992-05-061992-10-27
19931993-03-311993-10-09
19941994-04-231994-10-07
19951995-03-231995-10-27
19961996-02-221996-10-18
19991999-04-091999-10-17
20002000-04-082000-10-16
20012001-04-012001-10-24
20032003-04-172003-11-01
20052005-03-132005-11-10
20062006-03-132006-10-27
20082008-04-232008-10-13
20092009-04-232009-10-09
20122012-05-042012-09-28

Every Fixed Threshold

Fixed thresholds at Lavon Dam
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days501611955122
35 C (95 F): Days5096198041
40 C (104 F): Days251419543
90 F (32.2 C): Days50128195696
100 F (37.8 C): Days4355198017
110 F (43.3 C): Days1320003
0 C (32 F): Ice days (max401319891
0 C (32 F): Frost days (min5077197832
-10 C (14 F): Days with min291319631
20 C (68 F): Tropical nights (min501211991108
25 C (77 F): Days with min3332200620
10 mm (0.39 in): Days with 10 mm or more rain7140197321
25 mm (0.98 in): Days with 25 mm or more rain711919737
50 mm (1.97 in): Days with 50 mm or more rain65819852
100 mm (3.94 in): Days with 100 mm or more rain17119501
10 cm (3.9 in): Days with 10 cm or more snowfall1119641

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1954.

Download the Data

  • Data for Lavon Dam 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).