Daily records
Page built 2026-10-19
Data as of 2026-10-17
Search
Built 2026-10-19 (19 October 2026)

Rosalia 1NW Threshold Days by Year (USC00146979)

7 fixed thresholds counted per year at Rosalia 1NW (USC00146979): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Rosalia 1NW Thresholds

  • Rosalia 1NW: days with 10 mm (0.39 in) or more of precipitation in 64 years, most in 1985 with 43.
  • Rosalia 1NW: days with 25 mm (0.98 in) or more of precipitation in 64 years, most in 1977 with 19.
  • Rosalia 1NW: days with 50 mm (1.97 in) or more of precipitation in 56 years, most in 2019 with 9.
  • Rosalia 1NW: days with 10 cm (3.9 in) or more of snowfall in 34 years, most in 1987 with 6.
  • 7 fixed thresholds have at least one qualifying day at Rosalia 1NW.
64 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Rosalia 1NW Days per year at Rosalia 1NW with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 43 in 1985. 02040601954: 191955: 171957: 351958: 291959: 291963: 181964: 261965: 321966: 161967: 261968: 271969: 351970: 191971: 311972: 261973: 341974: 251975: 291976: 201977: 321978: 271979: 261980: 191981: 301982: 261983: 321984: 281985: 431986: 331987: 331988: 191989: 271990: 231991: 211992: 371993: 281994: 231995: 341996: 261997: 341998: 391999: 382000: 272001: 222002: 282003: 262004: 392005: 272006: 272007: 312008: 362010: 232011: 242012: 232017: 332018: 342019: 412020: 372021: 312022: 262023: 232024: 232025: 352026: 301954196519721979198619932000200720192026
Days per year at Rosalia 1NW with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 43 in 1985.
Days with 10 mm (0.39 in) or more of precipitation per year at Rosalia 1NW
YearDaysDecade average
19541925.8
19551725.8
19573525.8
19582925.8
19592925.8
19631825.7
19642625.7
19653225.7
19661625.7
19672625.7
19682725.7
19693525.7
19701926.9
19713126.9
19722626.9
19733426.9
19742526.9
19752926.9
19762026.9
19773226.9
19782726.9
19792626.9
19801929
19813029
19822629
19833229
19842829
19854329
19863329
19873329
19881929
19892729
19902330.3
19912130.3
19923730.3
19932830.3
19942330.3
19953430.3
19962630.3
19973430.3
19983930.3
19993830.3
20002729.2
20012229.2
20022829.2
20032629.2
20043929.2
20052729.2
20062729.2
20073129.2
20083629.2
20102329.7
20112429.7
20122329.7
20173329.7
20183429.7
20194129.7
20203729.3
20213129.3
20222629.3
20232329.3
20242329.3
20253529.3
20263029.3
First to last qualifying date each year at Rosalia 1NW For each year, a bar from the first to the last day at Rosalia 1NW meeting 10 mm (0.39 in). 1954: 20 February 1954 to 26 October 19541955: 4 February 1955 to 5 October 19551957: 23 February 1957 to 25 December 19571958: 20 January 1958 to 18 November 19581959: 10 February 1959 to 27 December 19591963: 4 March 1963 to 22 November 19631964: 31 January 1964 to 17 November 19641965: 1 March 1965 to 24 December 19651966: 9 February 1966 to 28 December 19661967: 27 January 1967 to 1 November 19671968: 20 April 1968 to 27 December 19681969: 15 February 1969 to 11 December 19691970: 16 March 1970 to 16 December 19701971: 3 January 1971 to 30 December 19711972: 15 April 1972 to 30 December 19721973: 3 January 1973 to 4 December 19731974: 21 February 1974 to 31 December 19741975: 1 February 1975 to 30 November 19751976: 17 April 1976 to 30 October 19761977: 11 March 1977 to 9 November 19771978: 13 February 1978 to 26 November 19781979: 1 January 1979 to 28 December 19791980: 19 January 1980 to 8 December 19801981: 4 March 1981 to 30 November 19811982: 30 January 1982 to 28 December 19821983: 26 January 1983 to 27 November 19831984: 10 February 1984 to 29 December 19841985: 1 January 1985 to 11 December 19851986: 3 February 1986 to 8 December 19861987: 14 February 1987 to 27 December 19871988: 3 March 1988 to 27 December 19881989: 29 January 1989 to 30 October 19891990: 17 January 1990 to 17 December 19901991: 17 March 1991 to 20 December 19911992: 1 January 1992 to 14 December 19921993: 3 February 1993 to 4 December 19931994: 27 March 1994 to 21 November 19941995: 7 March 1995 to 19 December 19951996: 15 March 1996 to 17 November 19961997: 21 February 1997 to 24 December 19971998: 4 January 1998 to 19 December 19981999: 30 January 1999 to 9 December 19992000: 18 February 2000 to 6 November 20002001: 28 January 2001 to 5 October 20012002: 30 January 2002 to 28 October 20022003: 14 February 2003 to 3 December 20032004: 18 January 2004 to 6 December 20042005: 4 January 2005 to 31 October 20052006: 9 March 2006 to 21 December 20062007: 21 January 2007 to 23 December 20072008: 5 February 2008 to 27 December 20082010: 21 February 2010 to 12 November 20102011: 9 February 2011 to 20 December 20112012: 3 February 2012 to 11 November 20122017: 15 January 2017 to 29 November 20172018: 19 March 2018 to 27 December 20182019: 12 January 2019 to 29 December 20192020: 10 January 2020 to 30 December 20202021: 2 January 2021 to 28 October 20212022: 2 February 2022 to 13 December 20222023: 9 February 2023 to 25 December 20232024: 4 February 2024 to 19 November 20242025: 5 March 2025 to 21 November 20252026: 9 January 2026 to 15 October 202619541966197419821990199820062019JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Rosalia 1NW meeting 10 mm (0.39 in).
First to last qualifying date each year at Rosalia 1NW
YearFirst dateLast date
19541954-02-201954-10-26
19551955-02-041955-10-05
19571957-02-231957-12-25
19581958-01-201958-11-18
19591959-02-101959-12-27
19631963-03-041963-11-22
19641964-01-311964-11-17
19651965-03-011965-12-24
19661966-02-091966-12-28
19671967-01-271967-11-01
19681968-04-201968-12-27
19691969-02-151969-12-11
19701970-03-161970-12-16
19711971-01-031971-12-30
19721972-04-151972-12-30
19731973-01-031973-12-04
19741974-02-211974-12-31
19751975-02-011975-11-30
19761976-04-171976-10-30
19771977-03-111977-11-09
19781978-02-131978-11-26
19791979-01-011979-12-28
19801980-01-191980-12-08
19811981-03-041981-11-30
19821982-01-301982-12-28
19831983-01-261983-11-27
19841984-02-101984-12-29
19851985-01-011985-12-11
19861986-02-031986-12-08
19871987-02-141987-12-27
19881988-03-031988-12-27
19891989-01-291989-10-30
19901990-01-171990-12-17
19911991-03-171991-12-20
19921992-01-011992-12-14
19931993-02-031993-12-04
19941994-03-271994-11-21
19951995-03-071995-12-19
19961996-03-151996-11-17
19971997-02-211997-12-24
19981998-01-041998-12-19
19991999-01-301999-12-09
20002000-02-182000-11-06
20012001-01-282001-10-05
20022002-01-302002-10-28
20032003-02-142003-12-03
20042004-01-182004-12-06
20052005-01-042005-10-31
20062006-03-092006-12-21
20072007-01-212007-12-23
20082008-02-052008-12-27
20102010-02-212010-11-12
20112011-02-092011-12-20
20122012-02-032012-11-11
20172017-01-152017-11-29
20182018-03-192018-12-27
20192019-01-122019-12-29
20202020-01-102020-12-30
20212021-01-022021-10-28
20222022-02-022022-12-13
20232023-02-092023-12-25
20242024-02-042024-11-19
20252025-03-052025-11-21
20262026-01-092026-10-15

Every Fixed Threshold

Fixed thresholds at Rosalia 1NW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain6443198530
25 mm (0.98 in): Days with 25 mm or more rain6419197711
50 mm (1.97 in): Days with 50 mm or more rain56920191
100 mm (3.94 in): Days with 100 mm or more rain19119571
200 mm (7.87 in): Days with 200 mm or more rain1120051
10 cm (3.9 in): Days with 10 cm or more snowfall34619872
25 cm (9.8 in): Days with 25 cm or more snowfall3119711

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 Rosalia 1NW 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 (2026-10-17).