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Built 2026-10-15 (15 October 2026)

Terrace A Threshold Days by Year

14 fixed thresholds counted per year at Terrace A (CA001068130): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Terrace A Thresholds

  • Terrace A: days with 10 mm (0.39 in) or more of precipitation in 29 years, most in 1959 with 54.
  • Terrace A: days with 25 mm (0.98 in) or more of precipitation in 29 years, most in 1954 with 14.
  • Terrace A: days with 10 cm (3.9 in) or more of snowfall in 29 years, most in 1972 with 21.
  • Terrace A: days with a maximum temperature at or below 0 C (32 F) in 28 years, most in 1956 with 72.
  • 14 fixed thresholds have at least one qualifying day at Terrace A.
22 years with a qualifying day
Days at or above 30 C (86 F) per year at Terrace A Days per year at Terrace A with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 23 in 1958. 01020301956: 21958: 231960: 71961: 161962: 61963: 41965: 71966: 41967: 31968: 21969: 121971: 101972: 41974: 61975: 21977: 161978: 71979: 31980: 31981: 81982: 71983: 119561961196519681972197719801983
Days per year at Terrace A with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 23 in 1958.
Days at or above 30 C (86 F) per year at Terrace A
YearDaysDecade average
1956212.5
19582312.5
196076.8
1961166.8
196266.8
196346.8
196576.8
196646.8
196736.8
196826.8
1969126.8
1971106.9
197246.9
197466.9
197526.9
1977166.9
197876.9
197936.9
198034.8
198184.8
198274.8
198314.8
First to last qualifying date each year at Terrace A For each year, a bar from the first to the last day at Terrace A meeting 30 C (86 F). 1956: 19 July 1956 to 12 August 19561958: 27 May 1958 to 28 July 19581960: 28 July 1960 to 10 August 19601961: 11 July 1961 to 19 August 19611962: 22 July 1962 to 31 July 19621963: 20 May 1963 to 30 August 19631965: 1 July 1965 to 19 August 19651966: 6 July 1966 to 14 July 19661967: 20 June 1967 to 17 August 19671968: 2 July 1968 to 3 July 19681969: 8 June 1969 to 19 June 19691971: 17 July 1971 to 31 July 19711972: 3 July 1972 to 20 July 19721974: 28 August 1974 to 2 September 19741975: 7 July 1975 to 8 July 19751977: 27 July 1977 to 20 August 19771978: 20 July 1978 to 2 August 19781979: 17 July 1979 to 13 August 19791980: 10 August 1980 to 12 August 19801981: 16 July 1981 to 10 August 19811982: 18 June 1982 to 28 July 19821983: 29 May 1983 to 29 May 198319561961196519681972197719801983JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Terrace A meeting 30 C (86 F).
First to last qualifying date each year at Terrace A
YearFirst dateLast date
19561956-07-191956-08-12
19581958-05-271958-07-28
19601960-07-281960-08-10
19611961-07-111961-08-19
19621962-07-221962-07-31
19631963-05-201963-08-30
19651965-07-011965-08-19
19661966-07-061966-07-14
19671967-06-201967-08-17
19681968-07-021968-07-03
19691969-06-081969-06-19
19711971-07-171971-07-31
19721972-07-031972-07-20
19741974-08-281974-09-02
19751975-07-071975-07-08
19771977-07-271977-08-20
19781978-07-201978-08-02
19791979-07-171979-08-13
19801980-08-101980-08-12
19811981-07-161981-08-10
19821982-06-181982-07-28
19831983-05-291983-05-29

Every Fixed Threshold

Fixed thresholds at Terrace A
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days222319581
35 C (95 F): Days1219712
90 F (32.2 C): Days141119581
0 C (32 F): Ice days (max2872195644
0 C (32 F): Frost days (min281631956121
-10 C (14 F): Days with min2845195618
-20 C (-4 F): Days with min20919691
10 mm (0.39 in): Days with 10 mm or more rain2954195925
25 mm (0.98 in): Days with 25 mm or more rain291419545
50 mm (1.97 in): Days with 50 mm or more rain21419681
100 mm (3.94 in): Days with 100 mm or more rain1119781
10 cm (3.9 in): Days with 10 cm or more snowfall292119725
25 cm (9.8 in): Days with 25 cm or more snowfall26819725
50 cm (19.7 in): Days with 50 cm or more snowfall5319721

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1956.

Download the Data

  • Data for Terrace A 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-14).