Built 2026-10-19 (19 October 2026)

Kirwin Dam Threshold Days by Year (USC00144357)

20 fixed thresholds counted per year at Kirwin Dam (USC00144357): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Kirwin Dam Thresholds

  • Kirwin Dam: days with a maximum temperature at or above 30 C (86 F) in 45 years, most in 1956 with 119.
  • Kirwin Dam: days with a maximum temperature at or above 35 C (95 F) in 45 years, most in 1954 with 58.
  • Kirwin Dam: days with a maximum temperature at or above 90 F (32.2 C) in 45 years, most in 1956 with 96.
  • Kirwin Dam: days with a maximum temperature at or below 0 C (32 F) in 45 years, most in 1978 with 56.
  • 20 fixed thresholds have at least one qualifying day at Kirwin Dam.
45 years with a qualifying day
Days at or above 30 C (86 F) per year at Kirwin Dam Days per year at Kirwin Dam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 119 in 1956. 0501001501953: 1091954: 1061955: 981956: 1191957: 701958: 821959: 941960: 831961: 741962: 841963: 1031964: 941965: 741966: 941967: 641968: 851969: 691970: 1011971: 931972: 911973: 781974: 451975: 771976: 801977: 751978: 891979: 911980: 1011981: 721982: 681983: 861984: 931985: 721986: 901987: 821994: 861995: 711996: 582020: 852021: 972022: 1162023: 1002024: 1032025: 942026: 102195319581963196819731978198319942022
Days per year at Kirwin Dam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 119 in 1956.
Days at or above 30 C (86 F) per year at Kirwin Dam
YearDaysDecade average
195310996.9
195410696.9
19559896.9
195611996.9
19577096.9
19588296.9
19599496.9
19608382.4
19617482.4
19628482.4
196310382.4
19649482.4
19657482.4
19669482.4
19676482.4
19688582.4
19696982.4
197010182
19719382
19729182
19737882
19744582
19757782
19768082
19777582
19788982
19799182
198010183
19817283
19826883
19838683
19849383
19857283
19869083
19878283
19948671.7
19957171.7
19965871.7
20208599.6
20219799.6
202211699.6
202310099.6
202410399.6
20259499.6
202610299.6
First to last qualifying date each year at Kirwin Dam For each year, a bar from the first to the last day at Kirwin Dam meeting 30 C (86 F). 1953: 22 April 1953 to 11 October 19531954: 7 April 1954 to 10 October 19541955: 20 April 1955 to 12 October 19551956: 26 March 1956 to 13 October 19561957: 20 April 1957 to 7 October 19571958: 12 May 1958 to 20 October 19581959: 7 April 1959 to 26 October 19591960: 22 April 1960 to 7 October 19601961: 20 April 1961 to 18 October 19611962: 21 April 1962 to 15 October 19621963: 16 April 1963 to 16 October 19631964: 17 April 1964 to 22 October 19641965: 21 April 1965 to 11 October 19651966: 1 April 1966 to 14 October 19661967: 24 March 1967 to 13 October 19671968: 31 March 1968 to 16 October 19681969: 27 May 1969 to 4 October 19691970: 28 April 1970 to 5 October 19701971: 1 April 1971 to 8 October 19711972: 1 March 1972 to 3 October 19721973: 19 May 1973 to 9 October 19731974: 19 May 1974 to 11 October 19741975: 5 May 1975 to 23 October 19751976: 26 March 1976 to 3 October 19761977: 9 April 1977 to 21 October 19771978: 1 April 1978 to 21 October 19781979: 20 April 1979 to 20 October 19791980: 21 April 1980 to 7 November 19801981: 3 April 1981 to 30 September 19811982: 23 February 1982 to 6 October 19821983: 7 May 1983 to 30 September 19831984: 22 May 1984 to 24 September 19841985: 16 April 1985 to 8 October 19851986: 29 March 1986 to 29 September 19861987: 18 April 1987 to 5 October 19871994: 18 March 1994 to 1 October 19941995: 22 March 1995 to 17 October 19951996: 3 April 1996 to 11 September 19962020: 8 April 2020 to 13 October 20202021: 27 April 2021 to 11 October 20212022: 13 April 2022 to 24 October 20222023: 13 April 2023 to 24 October 20232024: 13 April 2024 to 11 October 20242025: 28 March 2025 to 13 October 20252026: 20 March 2026 to 12 October 202619531959196519711977198319952024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Kirwin Dam meeting 30 C (86 F).
First to last qualifying date each year at Kirwin Dam
YearFirst dateLast date
19531953-04-221953-10-11
19541954-04-071954-10-10
19551955-04-201955-10-12
19561956-03-261956-10-13
19571957-04-201957-10-07
19581958-05-121958-10-20
19591959-04-071959-10-26
19601960-04-221960-10-07
19611961-04-201961-10-18
19621962-04-211962-10-15
19631963-04-161963-10-16
19641964-04-171964-10-22
19651965-04-211965-10-11
19661966-04-011966-10-14
19671967-03-241967-10-13
19681968-03-311968-10-16
19691969-05-271969-10-04
19701970-04-281970-10-05
19711971-04-011971-10-08
19721972-03-011972-10-03
19731973-05-191973-10-09
19741974-05-191974-10-11
19751975-05-051975-10-23
19761976-03-261976-10-03
19771977-04-091977-10-21
19781978-04-011978-10-21
19791979-04-201979-10-20
19801980-04-211980-11-07
19811981-04-031981-09-30
19821982-02-231982-10-06
19831983-05-071983-09-30
19841984-05-221984-09-24
19851985-04-161985-10-08
19861986-03-291986-09-29
19871987-04-181987-10-05
19941994-03-181994-10-01
19951995-03-221995-10-17
19961996-04-031996-09-11
20202020-04-082020-10-13
20212021-04-272021-10-11
20222022-04-132022-10-24
20232023-04-132023-10-24
20242024-04-132024-10-11
20252025-03-282025-10-13
20262026-03-202026-10-12

Every Fixed Threshold

Fixed thresholds at Kirwin Dam
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days451191956102
35 C (95 F): Days4558195436
40 C (104 F): Days362019806
45 C (113 F): Days1119661
90 F (32.2 C): Days4596195679
100 F (37.8 C): Days4434195516
110 F (43.3 C): Days6419541
0 C (32 F): Ice days (max455619789
0 C (32 F): Frost days (min40173196682
-10 C (14 F): Days with min4070202222
-20 C (-4 F): Days with min401819723
-30 C (-22 F): Days with min3219612
20 C (68 F): Tropical nights (min4054195425
25 C (77 F): Days with min14619551
10 mm (0.39 in): Days with 10 mm or more rain4530197313
25 mm (0.98 in): Days with 25 mm or more rain451219735
50 mm (1.97 in): Days with 50 mm or more rain27419871
100 mm (3.94 in): Days with 100 mm or more rain2219852
10 cm (3.9 in): Days with 10 cm or more snowfall28419751
25 cm (9.8 in): Days with 25 cm or more snowfall2119581

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1953.

Download the Data

  • Data for Kirwin 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).