Built 2026-10-19 (19 October 2026)

Onward Threshold Days by Year (USC00226562)

14 fixed thresholds counted per year at Onward (USC00226562): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Onward Thresholds

  • Onward: days with a maximum temperature at or above 30 C (86 F) in 35 years, most in 1955 with 142.
  • Onward: days with a maximum temperature at or above 90 F (32.2 C) in 35 years, most in 1980 with 105.
  • Onward: days with a maximum temperature at or above 35 C (95 F) in 34 years, most in 1980 with 56.
  • Onward: days with 10 mm (0.39 in) or more of precipitation in 34 years, most in 1979 with 60.
  • 14 fixed thresholds have at least one qualifying day at Onward.
35 years with a qualifying day
Days at or above 30 C (86 F) per year at Onward Days per year at Onward with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 142 in 1955. 0501001501955: 1421956: 1211957: 1041958: 1051959: 1251960: 1211961: 1021962: 1351963: 1361964: 1091965: 1291966: 1051967: 921968: 1041969: 1161970: 1181971: 1091972: 1351973: 1201974: 991975: 1001976: 1001977: 1321978: 1151979: 991980: 1261981: 1181982: 1311983: 961984: 1081985: 951986: 1081987: 741988: 941989: 79195519591963196719711975197919831987
Days per year at Onward with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 142 in 1955.
Days at or above 30 C (86 F) per year at Onward
YearDaysDecade average
1955142119.4
1956121119.4
1957104119.4
1958105119.4
1959125119.4
1960121114.9
1961102114.9
1962135114.9
1963136114.9
1964109114.9
1965129114.9
1966105114.9
196792114.9
1968104114.9
1969116114.9
1970118112.7
1971109112.7
1972135112.7
1973120112.7
197499112.7
1975100112.7
1976100112.7
1977132112.7
1978115112.7
197999112.7
1980126102.9
1981118102.9
1982131102.9
198396102.9
1984108102.9
198595102.9
1986108102.9
198774102.9
198894102.9
198979102.9
First to last qualifying date each year at Onward For each year, a bar from the first to the last day at Onward meeting 30 C (86 F). 1955: 12 March 1955 to 14 November 19551956: 8 May 1956 to 19 October 19561957: 3 April 1957 to 23 September 19571958: 24 April 1958 to 27 September 19581959: 2 May 1959 to 13 October 19591960: 7 April 1960 to 4 October 19601961: 6 May 1961 to 12 October 19611962: 30 April 1962 to 20 October 19621963: 18 March 1963 to 24 October 19631964: 11 May 1964 to 28 September 19641965: 10 April 1965 to 17 October 19651966: 1 April 1966 to 15 October 19661967: 15 March 1967 to 15 October 19671968: 20 April 1968 to 15 October 19681969: 6 May 1969 to 20 October 19691970: 23 April 1970 to 9 October 19701971: 25 April 1971 to 29 October 19711972: 8 April 1972 to 19 October 19721973: 11 May 1973 to 13 October 19731974: 30 March 1974 to 29 September 19741975: 28 April 1975 to 15 October 19751976: 24 April 1976 to 6 October 19761977: 17 April 1977 to 2 October 19771978: 20 May 1978 to 22 October 19781979: 11 May 1979 to 22 October 19791980: 23 April 1980 to 11 October 19801981: 15 April 1981 to 18 October 19811982: 19 March 1982 to 10 October 19821983: 27 May 1983 to 20 October 19831984: 6 May 1984 to 17 October 19841985: 19 April 1985 to 14 October 19851986: 5 April 1986 to 5 October 19861987: 21 April 1987 to 3 October 19871988: 11 May 1988 to 26 September 19881989: 27 April 1989 to 12 October 19891955196019651970197519801985JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Onward meeting 30 C (86 F).
First to last qualifying date each year at Onward
YearFirst dateLast date
19551955-03-121955-11-14
19561956-05-081956-10-19
19571957-04-031957-09-23
19581958-04-241958-09-27
19591959-05-021959-10-13
19601960-04-071960-10-04
19611961-05-061961-10-12
19621962-04-301962-10-20
19631963-03-181963-10-24
19641964-05-111964-09-28
19651965-04-101965-10-17
19661966-04-011966-10-15
19671967-03-151967-10-15
19681968-04-201968-10-15
19691969-05-061969-10-20
19701970-04-231970-10-09
19711971-04-251971-10-29
19721972-04-081972-10-19
19731973-05-111973-10-13
19741974-03-301974-09-29
19751975-04-281975-10-15
19761976-04-241976-10-06
19771977-04-171977-10-02
19781978-05-201978-10-22
19791979-05-111979-10-22
19801980-04-231980-10-11
19811981-04-151981-10-18
19821982-03-191982-10-10
19831983-05-271983-10-20
19841984-05-061984-10-17
19851985-04-191985-10-14
19861986-04-051986-10-05
19871987-04-211987-10-03
19881988-05-111988-09-26
19891989-04-271989-10-12

Every Fixed Threshold

Fixed thresholds at Onward
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days35142195579
35 C (95 F): Days345619801
90 F (32.2 C): Days35105198030
100 F (37.8 C): Days101219801
0 C (32 F): Ice days (max3112198912
0 C (32 F): Frost days (min3377196355
-10 C (14 F): Days with min211219635
20 C (68 F): Tropical nights (min33115197381
25 C (77 F): Days with min16519804
10 mm (0.39 in): Days with 10 mm or more rain3460197956
25 mm (0.98 in): Days with 25 mm or more rain3429197417
50 mm (1.97 in): Days with 50 mm or more rain33919745
100 mm (3.94 in): Days with 100 mm or more rain17719821
10 cm (3.9 in): Days with 10 cm or more snowfall3119601

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1955.

Download the Data

  • Data for Onward 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).