Built 2026-10-19 (19 October 2026)

Denver Lowry AFB Threshold Days by Year (USW00023012)

16 fixed thresholds counted per year at Denver Lowry AFB (USW00023012): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Denver Lowry AFB Thresholds

  • Denver Lowry AFB: days with a maximum temperature at or above 30 C (86 F) in 18 years, most in 2025 with 91.
  • Denver Lowry AFB: days with a maximum temperature at or above 90 F (32.2 C) in 18 years, most in 1954 with 47.
  • Denver Lowry AFB: days with a maximum temperature at or below 0 C (32 F) in 18 years, most in 1955 with 35.
  • Denver Lowry AFB: nights with a minimum temperature at or below 0 C (32 F) in 18 years, most in 1964 with 172.
  • 16 fixed thresholds have at least one qualifying day at Denver Lowry AFB.
18 years with a qualifying day
Days at or above 30 C (86 F) per year at Denver Lowry AFB Days per year at Denver Lowry AFB with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 91 in 2025. 02550751001949: 501950: 261951: 411952: 671953: 481954: 791955: 571956: 581957: 441958: 491959: 571960: 601961: 381962: 471963: 461964: 551965: 242025: 91194919511953195519571959196119631965
Days per year at Denver Lowry AFB with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 91 in 2025.
Days at or above 30 C (86 F) per year at Denver Lowry AFB
YearDaysDecade average
19495050
19502652.6
19514152.6
19526752.6
19534852.6
19547952.6
19555752.6
19565852.6
19574452.6
19584952.6
19595752.6
19606045
19613845
19624745
19634645
19645545
19652445
20259191
First to last qualifying date each year at Denver Lowry AFB For each year, a bar from the first to the last day at Denver Lowry AFB meeting 30 C (86 F). 1949: 16 June 1949 to 25 September 19491950: 6 June 1950 to 2 September 19501951: 28 May 1951 to 20 September 19511952: 6 June 1952 to 19 September 19521953: 21 May 1953 to 27 September 19531954: 20 May 1954 to 2 October 19541955: 20 June 1955 to 16 September 19551956: 1 June 1956 to 20 September 19561957: 5 June 1957 to 29 September 19571958: 28 May 1958 to 22 September 19581959: 6 June 1959 to 11 September 19591960: 21 May 1960 to 6 September 19601961: 11 May 1961 to 8 September 19611962: 12 May 1962 to 18 September 19621963: 6 June 1963 to 18 September 19631964: 16 May 1964 to 9 September 19641965: 4 July 1965 to 6 September 19652025: 14 May 2025 to 17 October 2025194919521955195819611964JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Denver Lowry AFB meeting 30 C (86 F).
First to last qualifying date each year at Denver Lowry AFB
YearFirst dateLast date
19491949-06-161949-09-25
19501950-06-061950-09-02
19511951-05-281951-09-20
19521952-06-061952-09-19
19531953-05-211953-09-27
19541954-05-201954-10-02
19551955-06-201955-09-16
19561956-06-011956-09-20
19571957-06-051957-09-29
19581958-05-281958-09-22
19591959-06-061959-09-11
19601960-05-211960-09-06
19611961-05-111961-09-08
19621962-05-121962-09-18
19631963-06-061963-09-18
19641964-05-161964-09-09
19651965-07-041965-09-06
20252025-05-142025-10-17

Every Fixed Threshold

Fixed thresholds at Denver Lowry AFB
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1891202591
35 C (95 F): Days1518202518
90 F (32.2 C): Days1847195442
100 F (37.8 C): Days1519545
0 C (32 F): Ice days (max1835195522
0 C (32 F): Frost days (min18172196489
-10 C (14 F): Days with min1848195522
-20 C (-4 F): Days with min161319621
-30 C (-22 F): Days with min3219512
20 C (68 F): Tropical nights (min961202561
25 C (77 F): Days with min1720257
10 mm (0.39 in): Days with 10 mm or more rain1720196520
25 mm (0.98 in): Days with 25 mm or more rain15519603
50 mm (1.97 in): Days with 50 mm or more rain9219571
10 cm (3.9 in): Days with 10 cm or more snowfall17919595
25 cm (9.8 in): Days with 25 cm or more snowfall3219591

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 Denver Lowry AFB 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).