Daily records
Page built 2026-10-19
Data as of 2025-12-31
Search
Built 2026-10-19 (19 October 2026)

Columbia WSO AP Threshold Days by Year (USW00013983)

17 fixed thresholds counted per year at Columbia WSO AP (USW00013983): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Columbia WSO AP Thresholds

  • Columbia WSO AP: days with a maximum temperature at or above 30 C (86 F) in 22 years, most in 1953 with 97.
  • Columbia WSO AP: days with a maximum temperature at or above 90 F (32.2 C) in 22 years, most in 1954 with 78.
  • Columbia WSO AP: days with a maximum temperature at or below 0 C (32 F) in 22 years, most in 1963 with 47.
  • Columbia WSO AP: nights with a minimum temperature at or below 0 C (32 F) in 22 years, most in 1950 with 126.
  • 17 fixed thresholds have at least one qualifying day at Columbia WSO AP.
22 years with a qualifying day
Days at or above 30 C (86 F) per year at Columbia WSO AP Days per year at Columbia WSO AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 97 in 1953. 02550751001948: 591949: 581950: 281951: 471952: 931953: 971954: 971955: 751956: 951957: 601958: 541959: 891960: 711961: 521962: 831963: 881964: 801965: 601966: 561967: 451968: 612025: 5819481951195419571960196319662025
Days per year at Columbia WSO AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 97 in 1953.
Days at or above 30 C (86 F) per year at Columbia WSO AP
YearDaysDecade average
19485958.5
19495858.5
19502873.5
19514773.5
19529373.5
19539773.5
19549773.5
19557573.5
19569573.5
19576073.5
19585473.5
19598973.5
19607166.2
19615266.2
19628366.2
19638866.2
19648066.2
19656066.2
19665666.2
19674566.2
19686166.2
20255858
First to last qualifying date each year at Columbia WSO AP For each year, a bar from the first to the last day at Columbia WSO AP meeting 30 C (86 F). 1948: 18 April 1948 to 21 September 19481949: 25 April 1949 to 8 October 19491950: 4 May 1950 to 31 October 19501951: 28 April 1951 to 4 October 19511952: 29 April 1952 to 1 October 19521953: 28 April 1953 to 18 October 19531954: 6 April 1954 to 10 October 19541955: 3 May 1955 to 29 September 19551956: 27 April 1956 to 12 October 19561957: 12 May 1957 to 19 September 19571958: 23 April 1958 to 24 September 19581959: 30 April 1959 to 27 September 19591960: 22 April 1960 to 12 October 19601961: 13 May 1961 to 22 September 19611962: 29 April 1962 to 11 October 19621963: 22 April 1963 to 21 October 19631964: 16 April 1964 to 17 October 19641965: 21 April 1965 to 19 September 19651966: 7 May 1966 to 5 September 19661967: 18 May 1967 to 4 October 19671968: 1 May 1968 to 15 October 19682025: 2 June 2025 to 5 October 202519481951195419571960196319662025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Columbia WSO AP meeting 30 C (86 F).
First to last qualifying date each year at Columbia WSO AP
YearFirst dateLast date
19481948-04-181948-09-21
19491949-04-251949-10-08
19501950-05-041950-10-31
19511951-04-281951-10-04
19521952-04-291952-10-01
19531953-04-281953-10-18
19541954-04-061954-10-10
19551955-05-031955-09-29
19561956-04-271956-10-12
19571957-05-121957-09-19
19581958-04-231958-09-24
19591959-04-301959-09-27
19601960-04-221960-10-12
19611961-05-131961-09-22
19621962-04-291962-10-11
19631963-04-221963-10-21
19641964-04-161964-10-17
19651965-04-211965-09-19
19661966-05-071966-09-05
19671967-05-181967-10-04
19681968-05-011968-10-15
20252025-06-022025-10-05

Every Fixed Threshold

Fixed thresholds at Columbia WSO AP
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2297195358
35 C (95 F): Days204619547
40 C (104 F): Days2719547
45 C (113 F): Days1219542
90 F (32.2 C): Days2278195431
100 F (37.8 C): Days102319545
110 F (43.3 C): Days1319543
0 C (32 F): Ice days (max2247196325
0 C (32 F): Frost days (min22126195084
-10 C (14 F): Days with min2246196327
-20 C (-4 F): Days with min141119632
20 C (68 F): Tropical nights (min2267195455
25 C (77 F): Days with min7719542
10 mm (0.39 in): Days with 10 mm or more rain2142195127
25 mm (0.98 in): Days with 25 mm or more rain2115194913
50 mm (1.97 in): Days with 50 mm or more rain16319482
10 cm (3.9 in): Days with 10 cm or more snowfall14319601

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1948.

Download the Data

  • Data for Columbia WSO AP 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).