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Built 2026-10-19 (19 October 2026)

Navarro Mills Dam Threshold Days by Year (USC00416210)

19 fixed thresholds counted per year at Navarro Mills Dam (USC00416210): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Navarro Mills Dam Thresholds

  • Navarro Mills Dam: days with 10 mm (0.39 in) or more of precipitation in 58 years, most in 1973 with 40.
  • Navarro Mills Dam: days with 25 mm (0.98 in) or more of precipitation in 58 years, most in 2015 with 22.
  • Navarro Mills Dam: days with 50 mm (1.97 in) or more of precipitation in 57 years, most in 2015 with 10.
  • Navarro Mills Dam: days with a maximum temperature at or above 30 C (86 F) in 53 years, most in 2006 with 166.
  • 19 fixed thresholds have at least one qualifying day at Navarro Mills Dam.
53 years with a qualifying day
Days at or above 30 C (86 F) per year at Navarro Mills Dam Days per year at Navarro Mills Dam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 166 in 2006. 0501001502001963: 1651964: 1251965: 1221966: 1141967: 1121968: 1121969: 1281970: 1161971: 1191972: 1511973: 1261974: 1151975: 1211976: 1001977: 1381978: 1461979: 1011980: 1341981: 1281982: 1281983: 1081984: 1361985: 1221986: 1191987: 1241988: 1281989: 1231990: 1361991: 1311992: 1251993: 1281994: 1321995: 1371996: 1481997: 1332000: 1412001: 1292002: 1472003: 1332004: 1372005: 1522006: 1662007: 1432008: 1252009: 1272010: 1282012: 1402013: 1262014: 1212015: 1302016: 1312017: 1222026: 129196319691975198119871993200120072014
Days per year at Navarro Mills Dam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 166 in 2006.
Days at or above 30 C (86 F) per year at Navarro Mills Dam
YearDaysDecade average
1963165125.4
1964125125.4
1965122125.4
1966114125.4
1967112125.4
1968112125.4
1969128125.4
1970116123.3
1971119123.3
1972151123.3
1973126123.3
1974115123.3
1975121123.3
1976100123.3
1977138123.3
1978146123.3
1979101123.3
1980134125
1981128125
1982128125
1983108125
1984136125
1985122125
1986119125
1987124125
1988128125
1989123125
1990136133.8
1991131133.8
1992125133.8
1993128133.8
1994132133.8
1995137133.8
1996148133.8
1997133133.8
2000141140
2001129140
2002147140
2003133140
2004137140
2005152140
2006166140
2007143140
2008125140
2009127140
2010128128.3
2012140128.3
2013126128.3
2014121128.3
2015130128.3
2016131128.3
2017122128.3
2026129129
First to last qualifying date each year at Navarro Mills Dam For each year, a bar from the first to the last day at Navarro Mills Dam meeting 30 C (86 F). 1963: 3 April 1963 to 8 November 19631964: 4 April 1964 to 18 October 19641965: 14 April 1965 to 25 November 19651966: 18 March 1966 to 15 October 19661967: 12 March 1967 to 7 October 19671968: 4 May 1968 to 16 October 19681969: 23 May 1969 to 9 November 19691970: 11 May 1970 to 8 October 19701971: 14 March 1971 to 19 October 19711972: 8 March 1972 to 19 October 19721973: 10 May 1973 to 11 October 19731974: 31 March 1974 to 11 October 19741975: 25 April 1975 to 15 October 19751976: 23 May 1976 to 3 October 19761977: 22 May 1977 to 1 November 19771978: 5 April 1978 to 23 October 19781979: 17 April 1979 to 22 October 19791980: 21 February 1980 to 10 November 19801981: 2 April 1981 to 18 October 19811982: 14 April 1982 to 9 October 19821983: 7 May 1983 to 7 October 19831984: 20 April 1984 to 19 October 19841985: 16 April 1985 to 15 October 19851986: 20 February 1986 to 5 October 19861987: 12 April 1987 to 5 November 19871988: 23 April 1988 to 8 November 19881989: 15 March 1989 to 15 November 19891990: 30 April 1990 to 18 October 19901991: 6 March 1991 to 30 November 19911992: 15 April 1992 to 1 November 19921993: 16 May 1993 to 19 October 19931994: 27 April 1994 to 22 October 19941995: 23 March 1995 to 29 October 19951996: 21 February 1996 to 1 November 19961997: 22 March 1997 to 10 October 19972000: 30 March 2000 to 4 November 20002001: 3 May 2001 to 24 October 20012002: 15 March 2002 to 7 October 20022003: 1 May 2003 to 1 November 20032004: 11 May 2004 to 29 October 20042005: 28 April 2005 to 24 November 20052006: 2 March 2006 to 10 November 20062007: 11 March 2007 to 15 November 20072008: 15 March 2008 to 6 October 20082009: 10 April 2009 to 15 October 20092010: 5 May 2010 to 25 September 20102012: 26 April 2012 to 3 November 20122013: 17 April 2013 to 18 November 20132014: 28 April 2014 to 17 October 20142015: 17 May 2015 to 17 October 20152016: 15 March 2016 to 2 November 20162017: 24 February 2017 to 3 November 20172026: 17 March 2026 to 15 October 202619631970197719841991200020072015JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Navarro Mills Dam meeting 30 C (86 F).
First to last qualifying date each year at Navarro Mills Dam
YearFirst dateLast date
19631963-04-031963-11-08
19641964-04-041964-10-18
19651965-04-141965-11-25
19661966-03-181966-10-15
19671967-03-121967-10-07
19681968-05-041968-10-16
19691969-05-231969-11-09
19701970-05-111970-10-08
19711971-03-141971-10-19
19721972-03-081972-10-19
19731973-05-101973-10-11
19741974-03-311974-10-11
19751975-04-251975-10-15
19761976-05-231976-10-03
19771977-05-221977-11-01
19781978-04-051978-10-23
19791979-04-171979-10-22
19801980-02-211980-11-10
19811981-04-021981-10-18
19821982-04-141982-10-09
19831983-05-071983-10-07
19841984-04-201984-10-19
19851985-04-161985-10-15
19861986-02-201986-10-05
19871987-04-121987-11-05
19881988-04-231988-11-08
19891989-03-151989-11-15
19901990-04-301990-10-18
19911991-03-061991-11-30
19921992-04-151992-11-01
19931993-05-161993-10-19
19941994-04-271994-10-22
19951995-03-231995-10-29
19961996-02-211996-11-01
19971997-03-221997-10-10
20002000-03-302000-11-04
20012001-05-032001-10-24
20022002-03-152002-10-07
20032003-05-012003-11-01
20042004-05-112004-10-29
20052005-04-282005-11-24
20062006-03-022006-11-10
20072007-03-112007-11-15
20082008-03-152008-10-06
20092009-04-102009-10-15
20102010-05-052010-09-25
20122012-04-262012-11-03
20132013-04-172013-11-18
20142014-04-282014-10-17
20152015-05-172015-10-17
20162016-03-152016-11-02
20172017-02-242017-11-03
20262026-03-172026-10-15

Every Fixed Threshold

Fixed thresholds at Navarro Mills Dam
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days531662006129
35 C (95 F): Days5392200674
40 C (104 F): Days231820064
90 F (32.2 C): Days531382006103
100 F (37.8 C): Days4750200626
110 F (43.3 C): Days2420001
0 C (32 F): Ice days (max341019831
0 C (32 F): Frost days (min5266200814
-10 C (14 F): Days with min261119961
-20 C (-4 F): Days with min1119891
20 C (68 F): Tropical nights (min521251977129
25 C (77 F): Days with min3837201642
10 mm (0.39 in): Days with 10 mm or more rain5840197311
25 mm (0.98 in): Days with 25 mm or more rain582220156
50 mm (1.97 in): Days with 50 mm or more rain571020151
100 mm (3.94 in): Days with 100 mm or more rain19319913
200 mm (7.87 in): Days with 200 mm or more rain3119741
10 cm (3.9 in): Days with 10 cm or more snowfall1119821
25 cm (9.8 in): Days with 25 cm or more snowfall1119821

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1963.

Download the Data

  • Data for Navarro Mills 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 (2026-10-17).