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Built 2026-10-19 (19 October 2026)

Alpine 2 NE Threshold Days by Year (USC00120132)

5 fixed thresholds counted per year at Alpine 2 NE (USC00120132): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Alpine 2 NE Thresholds

  • Alpine 2 NE: days with 10 mm (0.39 in) or more of precipitation in 33 years, most in 1950 with 55.
  • Alpine 2 NE: days with 25 mm (0.98 in) or more of precipitation in 33 years, most in 1950 with 19.
  • Alpine 2 NE: days with 50 mm (1.97 in) or more of precipitation in 25 years, most in 1968 with 4.
  • Alpine 2 NE: days with 10 cm (3.9 in) or more of snowfall in 6 years, most in 2018 with 2.
  • 5 fixed thresholds have at least one qualifying day at Alpine 2 NE.
33 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Alpine 2 NE Days per year at Alpine 2 NE with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 55 in 1950. 02040601949: 341950: 551951: 331952: 351953: 261954: 321955: 341956: 301957: 381958: 391959: 311960: 241961: 451962: 321963: 171964: 311965: 361966: 321967: 331968: 391969: 262011: 522012: 312017: 462018: 402019: 442020: 392021: 462022: 362023: 302024: 412025: 492026: 38194919531957196119651969201820222026
Days per year at Alpine 2 NE with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 55 in 1950.
Days with 10 mm (0.39 in) or more of precipitation per year at Alpine 2 NE
YearDaysDecade average
19493434
19505535.3
19513335.3
19523535.3
19532635.3
19543235.3
19553435.3
19563035.3
19573835.3
19583935.3
19593135.3
19602431.5
19614531.5
19623231.5
19631731.5
19643131.5
19653631.5
19663231.5
19673331.5
19683931.5
19692631.5
20115242.6
20123142.6
20174642.6
20184042.6
20194442.6
20203939.9
20214639.9
20223639.9
20233039.9
20244139.9
20254939.9
20263839.9
First to last qualifying date each year at Alpine 2 NE For each year, a bar from the first to the last day at Alpine 2 NE meeting 10 mm (0.39 in). 1949: 14 February 1949 to 26 December 19491950: 2 January 1950 to 7 December 19501951: 2 January 1951 to 25 December 19511952: 2 January 1952 to 20 December 19521953: 7 January 1953 to 14 December 19531954: 15 January 1954 to 28 December 19541955: 4 January 1955 to 23 November 19551956: 19 January 1956 to 9 December 19561957: 9 January 1957 to 25 December 19571958: 21 January 1958 to 31 December 19581959: 1 January 1959 to 12 December 19591960: 14 January 1960 to 20 December 19601961: 15 January 1961 to 19 December 19611962: 15 January 1962 to 29 December 19621963: 11 January 1963 to 19 August 19631964: 1 January 1964 to 25 December 19641965: 1 January 1965 to 31 December 19651966: 1 January 1966 to 28 December 19661967: 2 February 1967 to 21 December 19671968: 29 January 1968 to 27 December 19681969: 17 January 1969 to 7 December 19692011: 1 February 2011 to 21 December 20112012: 12 January 2012 to 27 December 20122017: 17 January 2017 to 23 December 20172018: 12 January 2018 to 21 December 20182019: 1 January 2019 to 30 December 20192020: 10 January 2020 to 31 December 20202021: 2 January 2021 to 29 December 20212022: 2 January 2022 to 15 December 20222023: 3 January 2023 to 17 December 20232024: 9 January 2024 to 31 December 20242025: 6 January 2025 to 29 December 20252026: 9 January 2026 to 2 October 20261949195419591964196920192024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Alpine 2 NE meeting 10 mm (0.39 in).
First to last qualifying date each year at Alpine 2 NE
YearFirst dateLast date
19491949-02-141949-12-26
19501950-01-021950-12-07
19511951-01-021951-12-25
19521952-01-021952-12-20
19531953-01-071953-12-14
19541954-01-151954-12-28
19551955-01-041955-11-23
19561956-01-191956-12-09
19571957-01-091957-12-25
19581958-01-211958-12-31
19591959-01-011959-12-12
19601960-01-141960-12-20
19611961-01-151961-12-19
19621962-01-151962-12-29
19631963-01-111963-08-19
19641964-01-011964-12-25
19651965-01-011965-12-31
19661966-01-011966-12-28
19671967-02-021967-12-21
19681968-01-291968-12-27
19691969-01-171969-12-07
20112011-02-012011-12-21
20122012-01-122012-12-27
20172017-01-172017-12-23
20182018-01-122018-12-21
20192019-01-012019-12-30
20202020-01-102020-12-31
20212021-01-022021-12-29
20222022-01-022022-12-15
20232023-01-032023-12-17
20242024-01-092024-12-31
20252025-01-062025-12-29
20262026-01-092026-10-02

Every Fixed Threshold

Fixed thresholds at Alpine 2 NE
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3355195038
25 mm (0.98 in): Days with 25 mm or more rain3319195015
50 mm (1.97 in): Days with 50 mm or more rain25419684
100 mm (3.94 in): Days with 100 mm or more rain2119681
10 cm (3.9 in): Days with 10 cm or more snowfall6220182

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 Alpine 2 NE 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).