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Built 2026-10-19 (19 October 2026)

Smyrna AP Threshold Days by Year (USW00013827)

16 fixed thresholds counted per year at Smyrna AP (USW00013827): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Smyrna AP Thresholds

  • Smyrna AP: days with a maximum temperature at or above 30 C (86 F) in 21 years, most in 1954 with 114.
  • Smyrna AP: days with a maximum temperature at or above 90 F (32.2 C) in 21 years, most in 1954 with 93.
  • Smyrna AP: days with a maximum temperature at or below 0 C (32 F) in 21 years, most in 1963 with 22.
  • Smyrna AP: nights with a minimum temperature at or below 0 C (32 F) in 21 years, most in 1963 with 105.
  • 16 fixed thresholds have at least one qualifying day at Smyrna AP.
21 years with a qualifying day
Days at or above 30 C (86 F) per year at Smyrna AP Days per year at Smyrna AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 114 in 1954. 0501001501950: 511951: 1051952: 1081953: 1101954: 1141955: 1031956: 981957: 871958: 901959: 1011960: 901961: 601962: 921963: 611964: 841965: 661966: 541967: 291968: 771969: 712025: 881950195319561959196219651968
Days per year at Smyrna AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 114 in 1954.
Days at or above 30 C (86 F) per year at Smyrna AP
YearDaysDecade average
19505196.7
195110596.7
195210896.7
195311096.7
195411496.7
195510396.7
19569896.7
19578796.7
19589096.7
195910196.7
19609068.4
19616068.4
19629268.4
19636168.4
19648468.4
19656668.4
19665468.4
19672968.4
19687768.4
19697168.4
20258888
First to last qualifying date each year at Smyrna AP For each year, a bar from the first to the last day at Smyrna AP meeting 30 C (86 F). 1950: 5 May 1950 to 16 October 19501951: 28 April 1951 to 6 October 19511952: 1 May 1952 to 1 October 19521953: 21 May 1953 to 21 October 19531954: 26 April 1954 to 12 October 19541955: 16 April 1955 to 6 October 19551956: 11 May 1956 to 30 September 19561957: 19 April 1957 to 12 September 19571958: 24 April 1958 to 26 September 19581959: 1 May 1959 to 10 October 19591960: 23 April 1960 to 2 October 19601961: 14 May 1961 to 29 September 19611962: 8 May 1962 to 13 September 19621963: 21 April 1963 to 12 October 19631964: 18 May 1964 to 21 September 19641965: 23 April 1965 to 22 September 19651966: 8 June 1966 to 4 September 19661967: 26 May 1967 to 20 September 19671968: 1 May 1968 to 1 October 19681969: 30 May 1969 to 6 September 19692025: 4 April 2025 to 1 October 20251950195319561959196219651968JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Smyrna AP meeting 30 C (86 F).
First to last qualifying date each year at Smyrna AP
YearFirst dateLast date
19501950-05-051950-10-16
19511951-04-281951-10-06
19521952-05-011952-10-01
19531953-05-211953-10-21
19541954-04-261954-10-12
19551955-04-161955-10-06
19561956-05-111956-09-30
19571957-04-191957-09-12
19581958-04-241958-09-26
19591959-05-011959-10-10
19601960-04-231960-10-02
19611961-05-141961-09-29
19621962-05-081962-09-13
19631963-04-211963-10-12
19641964-05-181964-09-21
19651965-04-231965-09-22
19661966-06-081966-09-04
19671967-05-261967-09-20
19681968-05-011968-10-01
19691969-05-301969-09-06
20252025-04-042025-10-01

Every Fixed Threshold

Fixed thresholds at Smyrna AP
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days21114195488
35 C (95 F): Days1847195210
40 C (104 F): Days2519521
90 F (32.2 C): Days2193195450
100 F (37.8 C): Days51819521
0 C (32 F): Ice days (max212219636
0 C (32 F): Frost days (min21105196365
-10 C (14 F): Days with min212919637
-20 C (-4 F): Days with min4419622
20 C (68 F): Tropical nights (min2191195479
25 C (77 F): Days with min5319521
10 mm (0.39 in): Days with 10 mm or more rain2152195039
25 mm (0.98 in): Days with 25 mm or more rain212419505
50 mm (1.97 in): Days with 50 mm or more rain17619502
100 mm (3.94 in): Days with 100 mm or more rain2119601
10 cm (3.9 in): Days with 10 cm or more snowfall7419603

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1950.

Download the Data

  • Data for Smyrna 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).