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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Vermilion Lock Threshold Days by Year (USC00169319)

15 fixed thresholds counted per year at Vermilion Lock (USC00169319): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Vermilion Lock Thresholds

  • Vermilion Lock: days with 10 mm (0.39 in) or more of precipitation in 33 years, most in 1969 with 54.
  • Vermilion Lock: days with 25 mm (0.98 in) or more of precipitation in 33 years, most in 1973 with 25.
  • Vermilion Lock: days with 50 mm (1.97 in) or more of precipitation in 33 years, most in 1983 with 10.
  • Vermilion Lock: days with a maximum temperature at or above 30 C (86 F) in 30 years, most in 1962 with 138.
  • 15 fixed thresholds have at least one qualifying day at Vermilion Lock.
30 years with a qualifying day
Days at or above 30 C (86 F) per year at Vermilion Lock Days per year at Vermilion Lock with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 138 in 1962. 0501001501952: 1131953: 1211954: 1281955: 1191956: 1091957: 1001958: 1221959: 1321960: 1231961: 1041962: 1381963: 1301964: 1121968: 1111969: 1171970: 981971: 1101972: 1331973: 1151974: 631975: 1021976: 1001977: 1261978: 1371979: 1041980: 1211981: 1301982: 1271983: 1051984: 1091952195519581961196419701973197619791982
Days per year at Vermilion Lock with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 138 in 1962.
Days at or above 30 C (86 F) per year at Vermilion Lock
YearDaysDecade average
1952113118
1953121118
1954128118
1955119118
1956109118
1957100118
1958122118
1959132118
1960123119.3
1961104119.3
1962138119.3
1963130119.3
1964112119.3
1968111119.3
1969117119.3
197098108.8
1971110108.8
1972133108.8
1973115108.8
197463108.8
1975102108.8
1976100108.8
1977126108.8
1978137108.8
1979104108.8
1980121118.4
1981130118.4
1982127118.4
1983105118.4
1984109118.4
First to last qualifying date each year at Vermilion Lock For each year, a bar from the first to the last day at Vermilion Lock meeting 30 C (86 F). 1952: 30 April 1952 to 3 October 19521953: 22 May 1953 to 13 October 19531954: 29 May 1954 to 15 October 19541955: 25 April 1955 to 13 October 19551956: 8 May 1956 to 9 October 19561957: 18 May 1957 to 23 September 19571958: 25 April 1958 to 26 October 19581959: 8 May 1959 to 14 October 19591960: 21 May 1960 to 26 October 19601961: 28 April 1961 to 14 October 19611962: 14 May 1962 to 16 October 19621963: 8 May 1963 to 14 October 19631964: 20 May 1964 to 28 September 19641968: 17 May 1968 to 13 October 19681969: 21 May 1969 to 20 October 19691970: 30 April 1970 to 5 October 19701971: 21 May 1971 to 3 November 19711972: 19 May 1972 to 19 October 19721973: 10 May 1973 to 11 October 19731974: 23 May 1974 to 13 October 19741975: 9 May 1975 to 31 October 19751976: 24 May 1976 to 3 October 19761977: 10 April 1977 to 3 October 19771978: 10 May 1978 to 23 October 19781979: 14 April 1979 to 12 October 19791980: 26 May 1980 to 10 November 19801981: 1 May 1981 to 18 October 19811982: 16 May 1982 to 11 October 19821983: 26 May 1983 to 19 October 19831984: 14 May 1984 to 30 October 198419521956196019641971197519791983JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Vermilion Lock meeting 30 C (86 F).
First to last qualifying date each year at Vermilion Lock
YearFirst dateLast date
19521952-04-301952-10-03
19531953-05-221953-10-13
19541954-05-291954-10-15
19551955-04-251955-10-13
19561956-05-081956-10-09
19571957-05-181957-09-23
19581958-04-251958-10-26
19591959-05-081959-10-14
19601960-05-211960-10-26
19611961-04-281961-10-14
19621962-05-141962-10-16
19631963-05-081963-10-14
19641964-05-201964-09-28
19681968-05-171968-10-13
19691969-05-211969-10-20
19701970-04-301970-10-05
19711971-05-211971-11-03
19721972-05-191972-10-19
19731973-05-101973-10-11
19741974-05-231974-10-13
19751975-05-091975-10-31
19761976-05-241976-10-03
19771977-04-101977-10-03
19781978-05-101978-10-23
19791979-04-141979-10-12
19801980-05-261980-11-10
19811981-05-011981-10-18
19821982-05-161982-10-11
19831983-05-261983-10-19
19841984-05-141984-10-30

Every Fixed Threshold

Fixed thresholds at Vermilion Lock
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days301381962109
35 C (95 F): Days262219806
90 F (32.2 C): Days3091198054
100 F (37.8 C): Days1219712
0 C (32 F): Ice days (max5219622
0 C (32 F): Frost days (min2939197817
-10 C (14 F): Days with min3419622
20 C (68 F): Tropical nights (min291471973133
25 C (77 F): Days with min253019576
10 mm (0.39 in): Days with 10 mm or more rain3354196944
25 mm (0.98 in): Days with 25 mm or more rain3325197315
50 mm (1.97 in): Days with 50 mm or more rain331019836
100 mm (3.94 in): Days with 100 mm or more rain22319552
200 mm (7.87 in): Days with 200 mm or more rain1119751
10 cm (3.9 in): Days with 10 cm or more snowfall1119601

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1952.

Download the Data

  • Data for Vermilion Lock 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).