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Data as of 2025-12-31
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Built 2026-10-17 (17 October 2026)

Lake Dunn Threshold Days by Year

4 fixed thresholds counted per year at Lake Dunn (ASN00036099): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Lake Dunn Thresholds

  • Lake Dunn: days with 10 mm (0.39 in) or more of precipitation in 21 years, most in 1974 with 28.
  • Lake Dunn: days with 25 mm (0.98 in) or more of precipitation in 21 years, most in 1974 with 15.
  • Lake Dunn: days with 50 mm (1.97 in) or more of precipitation in 18 years, most in 1975 with 6.
  • Lake Dunn: days with 100 mm (3.94 in) or more of precipitation in 4 years, most in 1968 with 2.
  • 4 fixed thresholds have at least one qualifying day at Lake Dunn.
21 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Lake Dunn Days per year at Lake Dunn with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 28 in 1974. 01020301959: 91960: 161961: 81962: 131963: 201964: 131965: 61966: 141967: 81968: 121969: 61970: 121973: 191974: 281975: 211976: 111977: 191978: 201979: 121980: 101981: 211959196219651968197319761979
Days per year at Lake Dunn with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 28 in 1974.
Days with 10 mm (0.39 in) or more of precipitation per year at Lake Dunn
YearDaysDecade average
195999
19601611.6
1961811.6
19621311.6
19632011.6
19641311.6
1965611.6
19661411.6
1967811.6
19681211.6
1969611.6
19701217.8
19731917.8
19742817.8
19752117.8
19761117.8
19771917.8
19782017.8
19791217.8
19801015.5
19812115.5
First to last qualifying date each year at Lake Dunn For each year, a bar from the first to the last day at Lake Dunn meeting 10 mm (0.39 in). 1959: 10 January 1959 to 17 December 19591960: 20 January 1960 to 27 December 19601961: 3 January 1961 to 14 December 19611962: 6 January 1962 to 31 December 19621963: 10 January 1963 to 11 August 19631964: 2 January 1964 to 26 December 19641965: 10 March 1965 to 14 December 19651966: 5 January 1966 to 7 November 19661967: 1 January 1967 to 7 December 19671968: 14 January 1968 to 24 December 19681969: 15 March 1969 to 23 December 19691970: 2 February 1970 to 29 December 19701973: 9 January 1973 to 17 December 19731974: 5 January 1974 to 27 December 19741975: 1 January 1975 to 27 December 19751976: 12 January 1976 to 21 December 19761977: 2 January 1977 to 20 December 19771978: 8 January 1978 to 23 December 19781979: 5 February 1979 to 23 November 19791980: 4 January 1980 to 21 December 19801981: 15 January 1981 to 23 December 19811959196219651968197319761979JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Lake Dunn meeting 10 mm (0.39 in).
First to last qualifying date each year at Lake Dunn
YearFirst dateLast date
19591959-01-101959-12-17
19601960-01-201960-12-27
19611961-01-031961-12-14
19621962-01-061962-12-31
19631963-01-101963-08-11
19641964-01-021964-12-26
19651965-03-101965-12-14
19661966-01-051966-11-07
19671967-01-011967-12-07
19681968-01-141968-12-24
19691969-03-151969-12-23
19701970-02-021970-12-29
19731973-01-091973-12-17
19741974-01-051974-12-27
19751975-01-011975-12-27
19761976-01-121976-12-21
19771977-01-021977-12-20
19781978-01-081978-12-23
19791979-02-051979-11-23
19801980-01-041980-12-21
19811981-01-151981-12-23

Every Fixed Threshold

Fixed thresholds at Lake Dunn
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2128197421
25 mm (0.98 in): Days with 25 mm or more rain211519745
50 mm (1.97 in): Days with 50 mm or more rain18619753
100 mm (3.94 in): Days with 100 mm or more rain4219681

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1959.

Download the Data

  • Data for Lake Dunn 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).