Built 2026-10-19 (19 October 2026)

Claremont Junction Threshold Days by Year (USC00271552)

15 fixed thresholds counted per year at Claremont Junction (USC00271552): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Claremont Junction Thresholds

  • Claremont Junction: days with 10 mm (0.39 in) or more of precipitation in 25 years, most in 1951 with 43.
  • Claremont Junction: days with 25 mm (0.98 in) or more of precipitation in 25 years, most in 1900 with 11.
  • Claremont Junction: days with 10 cm (3.9 in) or more of snowfall in 22 years, most in 1956 with 15.
  • Claremont Junction: days with 50 mm (1.97 in) or more of precipitation in 18 years, most in 1900 with 2.
  • 15 fixed thresholds have at least one qualifying day at Claremont Junction.
25 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Claremont Junction Days per year at Claremont Junction with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 43 in 1951. 02040601898: 341899: 231900: 301948: 341949: 301950: 301951: 431952: 281953: 411954: 401955: 291956: 311957: 331958: 291959: 391960: 351961: 301962: 301963: 191966: 271967: 311968: 361969: 351970: 321971: 24189819481951195419571960196319681971
Days per year at Claremont Junction with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 43 in 1951.
Days with 10 mm (0.39 in) or more of precipitation per year at Claremont Junction
YearDaysDecade average
18983428.5
18992328.5
19003030
19483432
19493032
19503034.3
19514334.3
19522834.3
19534134.3
19544034.3
19552934.3
19563134.3
19573334.3
19582934.3
19593934.3
19603530.4
19613030.4
19623030.4
19631930.4
19662730.4
19673130.4
19683630.4
19693530.4
19703228
19712428
First to last qualifying date each year at Claremont Junction For each year, a bar from the first to the last day at Claremont Junction meeting 10 mm (0.39 in). 1898: 1 January 1898 to 27 November 18981899: 8 February 1899 to 12 December 18991900: 1 January 1900 to 5 December 19001948: 3 January 1948 to 31 December 19481949: 1 January 1949 to 28 December 19491950: 7 January 1950 to 30 December 19501951: 8 January 1951 to 26 December 19511952: 6 January 1952 to 13 December 19521953: 4 January 1953 to 15 December 19531954: 27 January 1954 to 30 December 19541955: 7 February 1955 to 5 December 19551956: 9 January 1956 to 23 December 19561957: 23 January 1957 to 27 December 19571958: 8 January 1958 to 6 December 19581959: 2 January 1959 to 29 December 19591960: 3 January 1960 to 22 December 19601961: 2 January 1961 to 29 December 19611962: 7 January 1962 to 23 December 19621963: 13 January 1963 to 9 December 19631966: 8 January 1966 to 29 December 19661967: 28 January 1967 to 29 December 19671968: 3 February 1968 to 29 December 19681969: 7 January 1969 to 27 December 19691970: 3 February 1970 to 24 December 19701971: 30 January 1971 to 30 November 19711898194919531957196119671971JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Claremont Junction meeting 10 mm (0.39 in).
First to last qualifying date each year at Claremont Junction
YearFirst dateLast date
18981898-01-011898-11-27
18991899-02-081899-12-12
19001900-01-011900-12-05
19481948-01-031948-12-31
19491949-01-011949-12-28
19501950-01-071950-12-30
19511951-01-081951-12-26
19521952-01-061952-12-13
19531953-01-041953-12-15
19541954-01-271954-12-30
19551955-02-071955-12-05
19561956-01-091956-12-23
19571957-01-231957-12-27
19581958-01-081958-12-06
19591959-01-021959-12-29
19601960-01-031960-12-22
19611961-01-021961-12-29
19621962-01-071962-12-23
19631963-01-131963-12-09
19661966-01-081966-12-29
19671967-01-281967-12-29
19681968-02-031968-12-29
19691969-01-071969-12-27
19701970-02-031970-12-24
19711971-01-301971-11-30

Every Fixed Threshold

Fixed thresholds at Claremont Junction
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days140190040
35 C (95 F): Days1819008
90 F (32.2 C): Days120190020
0 C (32 F): Ice days (max149190049
0 C (32 F): Frost days (min21711900171
-10 C (14 F): Days with min267190067
-20 C (-4 F): Days with min212190012
20 C (68 F): Tropical nights (min2319003
10 mm (0.39 in): Days with 10 mm or more rain2543195124
25 mm (0.98 in): Days with 25 mm or more rain251119003
50 mm (1.97 in): Days with 50 mm or more rain18219001
100 mm (3.94 in): Days with 100 mm or more rain2119501
10 cm (3.9 in): Days with 10 cm or more snowfall2215195613
25 cm (9.8 in): Days with 25 cm or more snowfall14519693
50 cm (19.7 in): Days with 50 cm or more snowfall1119581

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1900.

Download the Data

  • Data for Claremont Junction 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).