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Built 2026-10-19 (19 October 2026)

Osborne Threshold Days by Year (USC00146088)

6 fixed thresholds counted per year at Osborne (USC00146088): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Osborne Thresholds

  • Osborne: days with 10 mm (0.39 in) or more of precipitation in 37 years, most in 1973 with 39.
  • Osborne: days with 25 mm (0.98 in) or more of precipitation in 37 years, most in 1973 with 13.
  • Osborne: days with 50 mm (1.97 in) or more of precipitation in 24 years, most in 1986 with 5.
  • Osborne: days with 10 cm (3.9 in) or more of snowfall in 20 years, most in 1960 with 5.
  • 6 fixed thresholds have at least one qualifying day at Osborne.
37 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Osborne Days per year at Osborne with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 39 in 1973. 0102030401957: 251958: 231959: 231960: 231961: 261962: 241963: 201964: 141965: 201966: 81967: 171968: 231969: 341970: 231971: 271972: 281973: 391974: 161975: 251976: 161977: 291978: 201979: 271980: 221981: 331982: 341983: 221984: 211985: 231986: 251987: 191988: 141989: 201990: 221991: 161992: 281993: 351957196119651969197319771981198519891993
Days per year at Osborne with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 39 in 1973.
Days with 10 mm (0.39 in) or more of precipitation per year at Osborne
YearDaysDecade average
19572523.7
19582323.7
19592323.7
19602320.9
19612620.9
19622420.9
19632020.9
19641420.9
19652020.9
1966820.9
19671720.9
19682320.9
19693420.9
19702325
19712725
19722825
19733925
19741625
19752525
19761625
19772925
19782025
19792725
19802223.3
19813323.3
19823423.3
19832223.3
19842123.3
19852323.3
19862523.3
19871923.3
19881423.3
19892023.3
19902225.3
19911625.3
19922825.3
19933525.3
First to last qualifying date each year at Osborne For each year, a bar from the first to the last day at Osborne meeting 10 mm (0.39 in). 1957: 5 March 1957 to 18 November 19571958: 27 February 1958 to 6 September 19581959: 21 March 1959 to 31 October 19591960: 14 March 1960 to 11 December 19601961: 6 March 1961 to 16 November 19611962: 26 January 1962 to 20 October 19621963: 11 March 1963 to 23 September 19631964: 15 February 1964 to 22 September 19641965: 23 January 1965 to 19 October 19651966: 9 February 1966 to 27 December 19661967: 12 April 1967 to 15 December 19671968: 13 April 1968 to 19 December 19681969: 20 February 1969 to 5 December 19691970: 2 March 1970 to 27 October 19701971: 3 January 1971 to 30 December 19711972: 24 March 1972 to 18 November 19721973: 27 January 1973 to 4 December 19731974: 4 April 1974 to 3 November 19741975: 4 February 1975 to 26 November 19751976: 4 March 1976 to 7 October 19761977: 11 March 1977 to 31 October 19771978: 10 April 1978 to 26 November 19781979: 28 February 1979 to 21 November 19791980: 16 January 1980 to 27 October 19801981: 4 March 1981 to 1 December 19811982: 15 March 1982 to 27 December 19821983: 2 February 1983 to 19 November 19831984: 11 March 1984 to 15 December 19841985: 10 January 1985 to 30 September 19851986: 12 March 1986 to 7 November 19861987: 17 March 1987 to 26 October 19871988: 20 January 1988 to 16 November 19881989: 13 May 1989 to 27 October 19891990: 20 January 1990 to 3 November 19901991: 17 March 1991 to 23 December 19911992: 1 January 1992 to 13 December 19921993: 9 January 1993 to 17 October 199319571962196719721977198219871992JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Osborne meeting 10 mm (0.39 in).
First to last qualifying date each year at Osborne
YearFirst dateLast date
19571957-03-051957-11-18
19581958-02-271958-09-06
19591959-03-211959-10-31
19601960-03-141960-12-11
19611961-03-061961-11-16
19621962-01-261962-10-20
19631963-03-111963-09-23
19641964-02-151964-09-22
19651965-01-231965-10-19
19661966-02-091966-12-27
19671967-04-121967-12-15
19681968-04-131968-12-19
19691969-02-201969-12-05
19701970-03-021970-10-27
19711971-01-031971-12-30
19721972-03-241972-11-18
19731973-01-271973-12-04
19741974-04-041974-11-03
19751975-02-041975-11-26
19761976-03-041976-10-07
19771977-03-111977-10-31
19781978-04-101978-11-26
19791979-02-281979-11-21
19801980-01-161980-10-27
19811981-03-041981-12-01
19821982-03-151982-12-27
19831983-02-021983-11-19
19841984-03-111984-12-15
19851985-01-101985-09-30
19861986-03-121986-11-07
19871987-03-171987-10-26
19881988-01-201988-11-16
19891989-05-131989-10-27
19901990-01-201990-11-03
19911991-03-171991-12-23
19921992-01-011992-12-13
19931993-01-091993-10-17

Every Fixed Threshold

Fixed thresholds at Osborne
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3739197335
25 mm (0.98 in): Days with 25 mm or more rain3713197311
50 mm (1.97 in): Days with 50 mm or more rain24519864
100 mm (3.94 in): Days with 100 mm or more rain3119851
10 cm (3.9 in): Days with 10 cm or more snowfall20519605
25 cm (9.8 in): Days with 25 cm or more snowfall3119681

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1957.

Download the Data

  • Data for Osborne 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).