Built 2026-10-19 (19 October 2026)

Greenville Muni AP Threshold Days by Year (USC00173353)

17 fixed thresholds counted per year at Greenville Muni AP (USC00173353): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Greenville Muni AP Thresholds

  • Greenville Muni AP: nights with a minimum temperature at or below 0 C (32 F) in 64 years, most in 1972 with 215.
  • Greenville Muni AP: nights with a minimum temperature at or below -10 C (14 F) in 64 years, most in 1940 with 105.
  • Greenville Muni AP: days with a maximum temperature at or below 0 C (32 F) in 63 years, most in 1926 with 111.
  • Greenville Muni AP: nights with a minimum temperature at or below -20 C (-4 F) in 63 years, most in 1948 with 49.
  • 17 fixed thresholds have at least one qualifying day at Greenville Muni AP.
60 years with a qualifying day
Days at or above 30 C (86 F) per year at Greenville Muni AP Days per year at Greenville Muni AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 20 in 1949. 051015201920: 11921: 131922: 21923: 31924: 21926: 21928: 61929: 41930: 41931: 71932: 21933: 21935: 51937: 171938: 81939: 71940: 61941: 101942: 101943: 51944: 171945: 141946: 71947: 191948: 111949: 201950: 31951: 41952: 121953: 101954: 41955: 201956: 41957: 61958: 31959: 131960: 51961: 81962: 61963: 141964: 51965: 51966: 51967: 21968: 71969: 61970: 101971: 31972: 31973: 31974: 22018: 32019: 42020: 122021: 82022: 82023: 62024: 52025: 72026: 31920192819351942194819541960196619722021
Days per year at Greenville Muni AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 20 in 1949.
Days at or above 30 C (86 F) per year at Greenville Muni AP
YearDaysDecade average
192014.1
1921134.1
192224.1
192334.1
192424.1
192624.1
192864.1
192944.1
193046.5
193176.5
193226.5
193326.5
193556.5
1937176.5
193886.5
193976.5
1940611.9
19411011.9
19421011.9
1943511.9
19441711.9
19451411.9
1946711.9
19471911.9
19481111.9
19492011.9
195037.9
195147.9
1952127.9
1953107.9
195447.9
1955207.9
195647.9
195767.9
195837.9
1959137.9
196056.3
196186.3
196266.3
1963146.3
196456.3
196556.3
196656.3
196726.3
196876.3
196966.3
1970104.2
197134.2
197234.2
197334.2
197424.2
201833.5
201943.5
2020127
202187
202287
202367
202457
202577
202637
First to last qualifying date each year at Greenville Muni AP For each year, a bar from the first to the last day at Greenville Muni AP meeting 30 C (86 F). 1920: 9 August 1920 to 9 August 19201921: 23 June 1921 to 27 July 19211922: 8 June 1922 to 12 July 19221923: 19 June 1923 to 19 July 19231924: 10 July 1924 to 12 July 19241926: 22 July 1926 to 27 July 19261928: 11 July 1928 to 17 August 19281929: 28 May 1929 to 28 July 19291930: 6 June 1930 to 19 July 19301931: 20 May 1931 to 13 September 19311932: 16 May 1932 to 26 August 19321933: 11 June 1933 to 28 June 19331935: 12 July 1935 to 20 August 19351937: 31 May 1937 to 3 September 19371938: 21 June 1938 to 16 August 19381939: 5 July 1939 to 16 September 19391940: 7 July 1940 to 18 August 19401941: 21 May 1941 to 24 July 19411942: 10 June 1942 to 2 September 19421943: 24 June 1943 to 13 July 19431944: 27 June 1944 to 16 August 19441945: 15 June 1945 to 8 September 19451946: 26 June 1946 to 19 July 19461947: 22 June 1947 to 12 September 19471948: 30 June 1948 to 13 September 19481949: 3 June 1949 to 27 August 19491950: 9 June 1950 to 8 August 19501951: 20 May 1951 to 14 July 19511952: 2 July 1952 to 28 August 19521953: 10 May 1953 to 4 September 19531954: 19 June 1954 to 25 August 19541955: 22 May 1955 to 22 August 19551956: 12 June 1956 to 15 June 19561957: 15 June 1957 to 19 July 19571958: 24 July 1958 to 31 August 19581959: 27 May 1959 to 8 September 19591960: 29 May 1960 to 29 August 19601961: 12 June 1961 to 11 September 19611962: 19 May 1962 to 30 June 19621963: 2 June 1963 to 29 July 19631964: 24 May 1964 to 28 July 19641965: 21 June 1965 to 23 September 19651966: 24 May 1966 to 7 August 19661967: 4 June 1967 to 5 June 19671968: 9 July 1968 to 25 August 19681969: 13 June 1969 to 31 August 19691970: 10 June 1970 to 16 August 19701971: 19 June 1971 to 9 August 19711972: 29 May 1972 to 15 July 19721973: 8 July 1973 to 1 September 19731974: 15 May 1974 to 14 July 19742018: 4 July 2018 to 6 August 20182019: 4 July 2019 to 30 July 20192020: 27 May 2020 to 11 August 20202021: 26 May 2021 to 26 August 20212022: 13 May 2022 to 30 August 20222023: 31 May 2023 to 7 September 20232024: 18 June 2024 to 2 August 20242025: 24 June 2025 to 13 August 20252026: 1 July 2026 to 6 August 202619201930194019481956196419722023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Greenville Muni AP meeting 30 C (86 F).
First to last qualifying date each year at Greenville Muni AP
YearFirst dateLast date
19201920-08-091920-08-09
19211921-06-231921-07-27
19221922-06-081922-07-12
19231923-06-191923-07-19
19241924-07-101924-07-12
19261926-07-221926-07-27
19281928-07-111928-08-17
19291929-05-281929-07-28
19301930-06-061930-07-19
19311931-05-201931-09-13
19321932-05-161932-08-26
19331933-06-111933-06-28
19351935-07-121935-08-20
19371937-05-311937-09-03
19381938-06-211938-08-16
19391939-07-051939-09-16
19401940-07-071940-08-18
19411941-05-211941-07-24
19421942-06-101942-09-02
19431943-06-241943-07-13
19441944-06-271944-08-16
19451945-06-151945-09-08
19461946-06-261946-07-19
19471947-06-221947-09-12
19481948-06-301948-09-13
19491949-06-031949-08-27
19501950-06-091950-08-08
19511951-05-201951-07-14
19521952-07-021952-08-28
19531953-05-101953-09-04
19541954-06-191954-08-25
19551955-05-221955-08-22
19561956-06-121956-06-15
19571957-06-151957-07-19
19581958-07-241958-08-31
19591959-05-271959-09-08
19601960-05-291960-08-29
19611961-06-121961-09-11
19621962-05-191962-06-30
19631963-06-021963-07-29
19641964-05-241964-07-28
19651965-06-211965-09-23
19661966-05-241966-08-07
19671967-06-041967-06-05
19681968-07-091968-08-25
19691969-06-131969-08-31
19701970-06-101970-08-16
19711971-06-191971-08-09
19721972-05-291972-07-15
19731973-07-081973-09-01
19741974-05-151974-07-14
20182018-07-042018-08-06
20192019-07-042019-07-30
20202020-05-272020-08-11
20212021-05-262021-08-26
20222022-05-132022-08-30
20232023-05-312023-09-07
20242024-06-182024-08-02
20252025-06-242025-08-13
20262026-07-012026-08-06

Every Fixed Threshold

Fixed thresholds at Greenville Muni AP
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days602019493
35 C (95 F): Days4219441
90 F (32.2 C): Days371319443
0 C (32 F): Ice days (max63111192662
0 C (32 F): Frost days (min642151972110
-10 C (14 F): Days with min64105194056
-20 C (-4 F): Days with min634919489
-30 C (-22 F): Days with min33919712
-40 C (-40 F): Days with min1119621
20 C (68 F): Tropical nights (min23720212
10 mm (0.39 in): Days with 10 mm or more rain6253195423
25 mm (0.98 in): Days with 25 mm or more rain621719544
50 mm (1.97 in): Days with 50 mm or more rain37520203
100 mm (3.94 in): Days with 100 mm or more rain7119321
10 cm (3.9 in): Days with 10 cm or more snowfall491619696
25 cm (9.8 in): Days with 25 cm or more snowfall37619691
50 cm (19.7 in): Days with 50 cm or more snowfall2119351

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1920.

Download the Data

  • Data for Greenville Muni 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 (2026-10-12).