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Built 2026-10-19 (19 October 2026)

Franklin Falls Dam Threshold Days by Year (USC00273182)

17 fixed thresholds counted per year at Franklin Falls Dam (USC00273182): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Franklin Falls Dam Thresholds

  • Franklin Falls Dam: days with 10 mm (0.39 in) or more of precipitation in 47 years, most in 1983 with 45.
  • Franklin Falls Dam: days with 25 mm (0.98 in) or more of precipitation in 47 years, most in 1983 with 17.
  • Franklin Falls Dam: days with 10 cm (3.9 in) or more of snowfall in 45 years, most in 1956 with 14.
  • Franklin Falls Dam: days with a maximum temperature at or above 30 C (86 F) in 39 years, most in 1955 with 53.
  • 17 fixed thresholds have at least one qualifying day at Franklin Falls Dam.
39 years with a qualifying day
Days at or above 30 C (86 F) per year at Franklin Falls Dam Days per year at Franklin Falls Dam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 53 in 1955. 02040601949: 371950: 291951: 311952: 431953: 491954: 221955: 531956: 211957: 291958: 231972: 161973: 291974: 231975: 311976: 231977: 211978: 251979: 261980: 261981: 141982: 121983: 461984: 221985: 271986: 141987: 271988: 421989: 221990: 292013: 152017: 142018: 222019: 132021: 222022: 292023: 142024: 212025: 262026: 131949195319571974197819821986199020192024
Days per year at Franklin Falls Dam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 53 in 1955.
Days at or above 30 C (86 F) per year at Franklin Falls Dam
YearDaysDecade average
19493737
19502933.3
19513133.3
19524333.3
19534933.3
19542233.3
19555333.3
19562133.3
19572933.3
19582333.3
19721624.3
19732924.3
19742324.3
19753124.3
19762324.3
19772124.3
19782524.3
19792624.3
19802625.2
19811425.2
19821225.2
19834625.2
19842225.2
19852725.2
19861425.2
19872725.2
19884225.2
19892225.2
19902929
20131516
20171416
20182216
20191316
20212220.8
20222920.8
20231420.8
20242120.8
20252620.8
20261320.8
First to last qualifying date each year at Franklin Falls Dam For each year, a bar from the first to the last day at Franklin Falls Dam meeting 30 C (86 F). 1949: 5 May 1949 to 29 August 19491950: 7 June 1950 to 28 August 19501951: 15 May 1951 to 12 September 19511952: 14 June 1952 to 13 September 19521953: 10 May 1953 to 6 September 19531954: 20 April 1954 to 26 August 19541955: 4 May 1955 to 19 September 19551956: 1 June 1956 to 5 September 19561957: 10 May 1957 to 23 September 19571958: 26 June 1958 to 16 September 19581972: 22 May 1972 to 27 August 19721973: 9 June 1973 to 5 September 19731974: 16 May 1974 to 14 September 19741975: 21 May 1975 to 14 August 19751976: 18 April 1976 to 15 September 19761977: 18 May 1977 to 3 September 19771978: 21 May 1978 to 22 September 19781979: 10 May 1979 to 6 August 19791980: 23 May 1980 to 3 September 19801981: 26 May 1981 to 12 August 19811982: 8 July 1982 to 13 September 19821983: 13 June 1983 to 21 September 19831984: 24 May 1984 to 17 August 19841985: 14 May 1985 to 21 September 19851986: 19 May 1986 to 27 July 19861987: 23 May 1987 to 20 August 19871988: 29 May 1988 to 16 August 19881989: 19 May 1989 to 11 September 19891990: 28 April 1990 to 3 September 19902013: 1 June 2013 to 12 September 20132017: 18 May 2017 to 28 September 20172018: 3 May 2018 to 7 September 20182019: 29 June 2019 to 20 August 20192021: 21 May 2021 to 27 August 20212022: 14 May 2022 to 5 September 20222023: 14 April 2023 to 9 September 20232024: 23 May 2024 to 3 August 20242025: 20 June 2025 to 24 August 20252026: 6 May 2026 to 7 August 202619491954197219771982198720172023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Franklin Falls Dam meeting 30 C (86 F).
First to last qualifying date each year at Franklin Falls Dam
YearFirst dateLast date
19491949-05-051949-08-29
19501950-06-071950-08-28
19511951-05-151951-09-12
19521952-06-141952-09-13
19531953-05-101953-09-06
19541954-04-201954-08-26
19551955-05-041955-09-19
19561956-06-011956-09-05
19571957-05-101957-09-23
19581958-06-261958-09-16
19721972-05-221972-08-27
19731973-06-091973-09-05
19741974-05-161974-09-14
19751975-05-211975-08-14
19761976-04-181976-09-15
19771977-05-181977-09-03
19781978-05-211978-09-22
19791979-05-101979-08-06
19801980-05-231980-09-03
19811981-05-261981-08-12
19821982-07-081982-09-13
19831983-06-131983-09-21
19841984-05-241984-08-17
19851985-05-141985-09-21
19861986-05-191986-07-27
19871987-05-231987-08-20
19881988-05-291988-08-16
19891989-05-191989-09-11
19901990-04-281990-09-03
20132013-06-012013-09-12
20172017-05-182017-09-28
20182018-05-032018-09-07
20192019-06-292019-08-20
20212021-05-212021-08-27
20222022-05-142022-09-05
20232023-04-142023-09-09
20242024-05-232024-08-03
20252025-06-202025-08-24
20262026-05-062026-08-07

Every Fixed Threshold

Fixed thresholds at Franklin Falls Dam
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3953195513
35 C (95 F): Days151119881
90 F (32.2 C): Days393319554
100 F (37.8 C): Days4219491
0 C (32 F): Ice days (max3973195544
0 C (32 F): Frost days (min392021974109
-10 C (14 F): Days with min3990198050
-20 C (-4 F): Days with min3930198213
-30 C (-22 F): Days with min11519762
20 C (68 F): Tropical nights (min291120183
10 mm (0.39 in): Days with 10 mm or more rain4745198316
25 mm (0.98 in): Days with 25 mm or more rain471719837
50 mm (1.97 in): Days with 50 mm or more rain38419902
100 mm (3.94 in): Days with 100 mm or more rain1119901
10 cm (3.9 in): Days with 10 cm or more snowfall451419563
25 cm (9.8 in): Days with 25 cm or more snowfall26319771
50 cm (19.7 in): Days with 50 cm or more snowfall10n/a1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

Download the Data

  • Data for Franklin Falls 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).