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Built 2026-10-19 (19 October 2026)

Olney 5 NNW Threshold Days by Year (USC00416641)

7 fixed thresholds counted per year at Olney 5 NNW (USC00416641): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Olney 5 NNW Thresholds

  • Olney 5 NNW: days with 10 mm (0.39 in) or more of precipitation in 56 years, most in 1957 with 40.
  • Olney 5 NNW: days with 25 mm (0.98 in) or more of precipitation in 56 years, most in 1990 with 16.
  • Olney 5 NNW: days with 50 mm (1.97 in) or more of precipitation in 47 years, most in 1986 with 7.
  • Olney 5 NNW: days with 100 mm (3.94 in) or more of precipitation in 10 years, most in 1980 with 2.
  • 7 fixed thresholds have at least one qualifying day at Olney 5 NNW.
56 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Olney 5 NNW Days per year at Olney 5 NNW with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 40 in 1957. 0102030401944: 231945: 191946: 241947: 211949: 221950: 261951: 121952: 131953: 171954: 181955: 231956: 131957: 401958: 161959: 191960: 251961: 211962: 241963: 181964: 191965: 181966: 221967: 211968: 291969: 251970: 141971: 231972: 211973: 231974: 191975: 311976: 241977: 181978: 191979: 271980: 211981: 221982: 261983: 211984: 221985: 161986: 321987: 281988: 141989: 211990: 351991: 251994: 261995: 261996: 221997: 211998: 151999: 212000: 222001: 252002: 271944195119571963196919751981198719952001
Days per year at Olney 5 NNW with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 40 in 1957.
Days with 10 mm (0.39 in) or more of precipitation per year at Olney 5 NNW
YearDaysDecade average
19442321.8
19451921.8
19462421.8
19472121.8
19492221.8
19502619.7
19511219.7
19521319.7
19531719.7
19541819.7
19552319.7
19561319.7
19574019.7
19581619.7
19591919.7
19602522.2
19612122.2
19622422.2
19631822.2
19641922.2
19651822.2
19662222.2
19672122.2
19682922.2
19692522.2
19701421.9
19712321.9
19722121.9
19732321.9
19741921.9
19753121.9
19762421.9
19771821.9
19781921.9
19792721.9
19802122.3
19812222.3
19822622.3
19832122.3
19842222.3
19851622.3
19863222.3
19872822.3
19881422.3
19892122.3
19903523.9
19912523.9
19942623.9
19952623.9
19962223.9
19972123.9
19981523.9
19992123.9
20002224.7
20012524.7
20022724.7
First to last qualifying date each year at Olney 5 NNW For each year, a bar from the first to the last day at Olney 5 NNW meeting 10 mm (0.39 in). 1944: 1 January 1944 to 27 December 19441945: 17 January 1945 to 9 November 19451946: 4 January 1946 to 10 December 19461947: 1 January 1947 to 31 December 19471949: 17 January 1949 to 8 December 19491950: 4 January 1950 to 3 October 19501951: 22 April 1951 to 31 October 19511952: 18 March 1952 to 19 December 19521953: 24 February 1953 to 5 November 19531954: 25 March 1954 to 12 December 19541955: 10 January 1955 to 3 October 19551956: 18 January 1956 to 19 December 19561957: 30 January 1957 to 25 December 19571958: 13 January 1958 to 15 November 19581959: 29 March 1959 to 31 December 19591960: 5 January 1960 to 30 December 19601961: 7 January 1961 to 9 December 19611962: 21 March 1962 to 3 December 19621963: 31 March 1963 to 10 December 19631964: 30 January 1964 to 19 November 19641965: 22 January 1965 to 19 October 19651966: 20 January 1966 to 18 October 19661967: 12 February 1967 to 15 December 19671968: 18 January 1968 to 27 December 19681969: 14 February 1969 to 30 December 19691970: 15 February 1970 to 17 October 19701971: 21 February 1971 to 10 December 19711972: 14 April 1972 to 19 November 19721973: 3 January 1973 to 25 November 19731974: 21 February 1974 to 31 December 19741975: 2 January 1975 to 25 December 19751976: 8 March 1976 to 6 December 19761977: 13 January 1977 to 8 November 19771978: 12 February 1978 to 26 November 19781979: 19 January 1979 to 29 December 19791980: 8 February 1980 to 8 December 19801981: 28 February 1981 to 14 December 19811982: 30 January 1982 to 27 December 19821983: 3 January 1983 to 22 November 19831984: 10 January 1984 to 31 December 19841985: 22 February 1985 to 26 November 19851986: 5 February 1986 to 17 December 19861987: 8 January 1987 to 25 December 19871988: 9 April 1988 to 10 December 19881989: 27 January 1989 to 27 October 19891990: 17 January 1990 to 16 December 19901991: 5 January 1991 to 20 December 19911994: 19 February 1994 to 28 December 19941995: 18 January 1995 to 18 December 19951996: 1 January 1996 to 28 November 19961997: 6 February 1997 to 23 December 19971998: 3 January 1998 to 12 December 19981999: 22 January 1999 to 30 October 19992000: 2 March 2000 to 26 December 20002001: 10 January 2001 to 29 November 20012002: 19 March 2002 to 30 December 200219441952195919661973198019871996JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Olney 5 NNW meeting 10 mm (0.39 in).
First to last qualifying date each year at Olney 5 NNW
YearFirst dateLast date
19441944-01-011944-12-27
19451945-01-171945-11-09
19461946-01-041946-12-10
19471947-01-011947-12-31
19491949-01-171949-12-08
19501950-01-041950-10-03
19511951-04-221951-10-31
19521952-03-181952-12-19
19531953-02-241953-11-05
19541954-03-251954-12-12
19551955-01-101955-10-03
19561956-01-181956-12-19
19571957-01-301957-12-25
19581958-01-131958-11-15
19591959-03-291959-12-31
19601960-01-051960-12-30
19611961-01-071961-12-09
19621962-03-211962-12-03
19631963-03-311963-12-10
19641964-01-301964-11-19
19651965-01-221965-10-19
19661966-01-201966-10-18
19671967-02-121967-12-15
19681968-01-181968-12-27
19691969-02-141969-12-30
19701970-02-151970-10-17
19711971-02-211971-12-10
19721972-04-141972-11-19
19731973-01-031973-11-25
19741974-02-211974-12-31
19751975-01-021975-12-25
19761976-03-081976-12-06
19771977-01-131977-11-08
19781978-02-121978-11-26
19791979-01-191979-12-29
19801980-02-081980-12-08
19811981-02-281981-12-14
19821982-01-301982-12-27
19831983-01-031983-11-22
19841984-01-101984-12-31
19851985-02-221985-11-26
19861986-02-051986-12-17
19871987-01-081987-12-25
19881988-04-091988-12-10
19891989-01-271989-10-27
19901990-01-171990-12-16
19911991-01-051991-12-20
19941994-02-191994-12-28
19951995-01-181995-12-18
19961996-01-011996-11-28
19971997-02-061997-12-23
19981998-01-031998-12-12
19991999-01-221999-10-30
20002000-03-022000-12-26
20012001-01-102001-11-29
20022002-03-192002-12-30

Every Fixed Threshold

Fixed thresholds at Olney 5 NNW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain5640195727
25 mm (0.98 in): Days with 25 mm or more rain5616199013
50 mm (1.97 in): Days with 50 mm or more rain47719862
100 mm (3.94 in): Days with 100 mm or more rain10219802
200 mm (7.87 in): Days with 200 mm or more rain2119551
10 cm (3.9 in): Days with 10 cm or more snowfall6219772
25 cm (9.8 in): Days with 25 cm or more snowfall1120011

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1944.

Download the Data

  • Data for Olney 5 NNW 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).