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Built 2026-10-19 (19 October 2026)

Converse Threshold Days by Year (USC00162023)

16 fixed thresholds counted per year at Converse (USC00162023): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Converse Thresholds

  • Converse: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1961 with 54.
  • Converse: days with 25 mm (0.98 in) or more of precipitation in 30 years, most in 1968 with 27.
  • Converse: days with 50 mm (1.97 in) or more of precipitation in 30 years, most in 1979 with 11.
  • Converse: days with a maximum temperature at or above 30 C (86 F) in 26 years, most in 1980 with 139.
  • 16 fixed thresholds have at least one qualifying day at Converse.
26 years with a qualifying day
Days at or above 30 C (86 F) per year at Converse Days per year at Converse with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 139 in 1980. 0501001501956: 1341959: 1291960: 1331961: 1061964: 1241965: 1291966: 1161967: 1201968: 1091969: 1341970: 1211971: 1271972: 1371973: 1271974: 1121975: 1261976: 1041977: 1321978: 1241979: 1171980: 1391981: 1251982: 1311983: 1181984: 1331985: 129195619611966196919721975197819811984
Days per year at Converse with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 139 in 1980.
Days at or above 30 C (86 F) per year at Converse
YearDaysDecade average
1956134131.5
1959129131.5
1960133121.4
1961106121.4
1964124121.4
1965129121.4
1966116121.4
1967120121.4
1968109121.4
1969134121.4
1970121122.7
1971127122.7
1972137122.7
1973127122.7
1974112122.7
1975126122.7
1976104122.7
1977132122.7
1978124122.7
1979117122.7
1980139129.2
1981125129.2
1982131129.2
1983118129.2
1984133129.2
1985129129.2
First to last qualifying date each year at Converse For each year, a bar from the first to the last day at Converse meeting 30 C (86 F). 1956: 6 May 1956 to 29 October 19561959: 2 May 1959 to 14 October 19591960: 7 April 1960 to 11 October 19601961: 7 May 1961 to 12 October 19611964: 24 April 1964 to 19 October 19641965: 4 April 1965 to 17 October 19651966: 1 April 1966 to 14 October 19661967: 12 March 1967 to 15 October 19671968: 14 May 1968 to 1 November 19681969: 21 May 1969 to 20 October 19691970: 21 April 1970 to 6 October 19701971: 23 April 1971 to 3 November 19711972: 15 April 1972 to 19 October 19721973: 13 March 1973 to 10 October 19731974: 8 March 1974 to 29 September 19741975: 25 April 1975 to 15 October 19751976: 23 May 1976 to 5 October 19761977: 7 May 1977 to 30 October 19771978: 2 May 1978 to 4 October 19781979: 17 April 1979 to 22 October 19791980: 12 May 1980 to 16 October 19801981: 17 April 1981 to 17 October 19811982: 19 March 1982 to 9 October 19821983: 20 May 1983 to 19 October 19831984: 29 April 1984 to 2 November 19841985: 18 April 1985 to 20 October 19851956196419681972197619801984JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Converse meeting 30 C (86 F).
First to last qualifying date each year at Converse
YearFirst dateLast date
19561956-05-061956-10-29
19591959-05-021959-10-14
19601960-04-071960-10-11
19611961-05-071961-10-12
19641964-04-241964-10-19
19651965-04-041965-10-17
19661966-04-011966-10-14
19671967-03-121967-10-15
19681968-05-141968-11-01
19691969-05-211969-10-20
19701970-04-211970-10-06
19711971-04-231971-11-03
19721972-04-151972-10-19
19731973-03-131973-10-10
19741974-03-081974-09-29
19751975-04-251975-10-15
19761976-05-231976-10-05
19771977-05-071977-10-30
19781978-05-021978-10-04
19791979-04-171979-10-22
19801980-05-121980-10-16
19811981-04-171981-10-17
19821982-03-191982-10-09
19831983-05-201983-10-19
19841984-04-291984-11-02
19851985-04-181985-10-20

Every Fixed Threshold

Fixed thresholds at Converse
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days261391980129
35 C (95 F): Days2691198055
40 C (104 F): Days4519801
90 F (32.2 C): Days261181980104
100 F (37.8 C): Days134319807
0 C (32 F): Ice days (max14519833
0 C (32 F): Frost days (min2679197856
-10 C (14 F): Days with min14819794
20 C (68 F): Tropical nights (min2695198282
25 C (77 F): Days with min8619691
10 mm (0.39 in): Days with 10 mm or more rain3054196141
25 mm (0.98 in): Days with 25 mm or more rain3027196817
50 mm (1.97 in): Days with 50 mm or more rain301119798
100 mm (3.94 in): Days with 100 mm or more rain11219532
200 mm (7.87 in): Days with 200 mm or more rain1119531
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 1956.

Download the Data

  • Data for Converse 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).