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Built 2026-10-19 (19 October 2026)

Port Inland Threshold Days by Year (USC00206686)

5 fixed thresholds counted per year at Port Inland (USC00206686): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Port Inland Thresholds

  • Port Inland: days with 10 mm (0.39 in) or more of precipitation in 34 years, most in 1977 with 37.
  • Port Inland: days with 25 mm (0.98 in) or more of precipitation in 34 years, most in 1974 with 10.
  • Port Inland: days with 10 cm (3.9 in) or more of snowfall in 25 years, most in 1976 with 8.
  • Port Inland: days with 50 mm (1.97 in) or more of precipitation in 8 years, most in 1958 with 1.
  • 5 fixed thresholds have at least one qualifying day at Port Inland.
34 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Port Inland Days per year at Port Inland with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 37 in 1977. 0102030401954: 271955: 211956: 201957: 231958: 171959: 271960: 321961: 211962: 161963: 231964: 231965: 271966: 261967: 221968: 321969: 261970: 211971: 281972: 241973: 191974: 301975: 281976: 191977: 371978: 271979: 281980: 251981: 261982: 311983: 261984: 341985: 371987: 261988: 29195419581962196619701974197819821987
Days per year at Port Inland with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 37 in 1977.
Days with 10 mm (0.39 in) or more of precipitation per year at Port Inland
YearDaysDecade average
19542722.5
19552122.5
19562022.5
19572322.5
19581722.5
19592722.5
19603224.8
19612124.8
19621624.8
19632324.8
19642324.8
19652724.8
19662624.8
19672224.8
19683224.8
19692624.8
19702126.1
19712826.1
19722426.1
19731926.1
19743026.1
19752826.1
19761926.1
19773726.1
19782726.1
19792826.1
19802529.3
19812629.3
19823129.3
19832629.3
19843429.3
19853729.3
19872629.3
19882929.3
First to last qualifying date each year at Port Inland For each year, a bar from the first to the last day at Port Inland meeting 10 mm (0.39 in). 1954: 21 February 1954 to 16 October 19541955: 20 February 1955 to 22 December 19551956: 28 January 1956 to 21 November 19561957: 12 March 1957 to 28 December 19571958: 6 April 1958 to 23 November 19581959: 6 March 1959 to 27 December 19591960: 22 March 1960 to 28 November 19601961: 4 January 1961 to 12 December 19611962: 7 January 1962 to 23 October 19621963: 17 March 1963 to 9 December 19631964: 25 January 1964 to 24 December 19641965: 2 January 1965 to 13 December 19651966: 10 February 1966 to 28 November 19661967: 25 January 1967 to 2 November 19671968: 1 February 1968 to 31 December 19681969: 16 January 1969 to 21 December 19691970: 28 January 1970 to 4 December 19701971: 4 January 1971 to 15 December 19711972: 25 January 1972 to 7 November 19721973: 19 January 1973 to 21 November 19731974: 27 January 1974 to 16 December 19741975: 11 January 1975 to 14 December 19751976: 15 February 1976 to 6 November 19761977: 23 February 1977 to 25 December 19771978: 26 January 1978 to 29 November 19781979: 4 March 1979 to 9 December 19791980: 7 January 1980 to 18 December 19801981: 1 January 1981 to 31 December 19811982: 1 January 1982 to 27 December 19821983: 6 January 1983 to 14 December 19831984: 19 February 1984 to 28 December 19841985: 11 February 1985 to 26 December 19851987: 1 March 1987 to 15 December 19871988: 15 January 1988 to 29 November 19881954195919641969197419791984JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Port Inland meeting 10 mm (0.39 in).
First to last qualifying date each year at Port Inland
YearFirst dateLast date
19541954-02-211954-10-16
19551955-02-201955-12-22
19561956-01-281956-11-21
19571957-03-121957-12-28
19581958-04-061958-11-23
19591959-03-061959-12-27
19601960-03-221960-11-28
19611961-01-041961-12-12
19621962-01-071962-10-23
19631963-03-171963-12-09
19641964-01-251964-12-24
19651965-01-021965-12-13
19661966-02-101966-11-28
19671967-01-251967-11-02
19681968-02-011968-12-31
19691969-01-161969-12-21
19701970-01-281970-12-04
19711971-01-041971-12-15
19721972-01-251972-11-07
19731973-01-191973-11-21
19741974-01-271974-12-16
19751975-01-111975-12-14
19761976-02-151976-11-06
19771977-02-231977-12-25
19781978-01-261978-11-29
19791979-03-041979-12-09
19801980-01-071980-12-18
19811981-01-011981-12-31
19821982-01-011982-12-27
19831983-01-061983-12-14
19841984-02-191984-12-28
19851985-02-111985-12-26
19871987-03-011987-12-15
19881988-01-151988-11-29

Every Fixed Threshold

Fixed thresholds at Port Inland
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3437197729
25 mm (0.98 in): Days with 25 mm or more rain341019744
50 mm (1.97 in): Days with 50 mm or more rain8119581
10 cm (3.9 in): Days with 10 cm or more snowfall25819764
25 cm (9.8 in): Days with 25 cm or more snowfall3219771

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1954.

Download the Data

  • Data for Port Inland 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).