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Built 2026-10-19 (19 October 2026)

Harb Threshold Days by Year (USC00243910)

5 fixed thresholds counted per year at Harb (USC00243910): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Harb Thresholds

  • Harb: days with 10 mm (0.39 in) or more of precipitation in 41 years, most in 2007 with 15.
  • Harb: days with 25 mm (0.98 in) or more of precipitation in 29 years, most in 1965 with 5.
  • Harb: days with 10 cm (3.9 in) or more of snowfall in 20 years, most in 1958 with 5.
  • Harb: days with 50 mm (1.97 in) or more of precipitation in 8 years, most in 1962 with 1.
  • 5 fixed thresholds have at least one qualifying day at Harb.
41 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Harb Days per year at Harb with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 15 in 2007. 0510151952: 51953: 91954: 121955: 61956: 71957: 91958: 51959: 71960: 31961: 31962: 131963: 111964: 91965: 101966: 91967: 71968: 61969: 71970: 101971: 31972: 101973: 71974: 91975: 101976: 71977: 61978: 121979: 61981: 51982: 91983: 51984: 42001: 102002: 112003: 92004: 82006: 72007: 152008: 102009: 102010: 10195219571962196719721977198320042010
Days per year at Harb with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 15 in 2007.
Days with 10 mm (0.39 in) or more of precipitation per year at Harb
YearDaysDecade average
195257.5
195397.5
1954127.5
195567.5
195677.5
195797.5
195857.5
195977.5
196037.8
196137.8
1962137.8
1963117.8
196497.8
1965107.8
196697.8
196777.8
196867.8
196977.8
1970108
197138
1972108
197378
197498
1975108
197678
197768
1978128
197968
198155.8
198295.8
198355.8
198445.8
20011010
20021110
2003910
2004810
2006710
20071510
20081010
20091010
20101010
First to last qualifying date each year at Harb For each year, a bar from the first to the last day at Harb meeting 10 mm (0.39 in). 1952: 11 June 1952 to 19 September 19521953: 30 April 1953 to 2 September 19531954: 11 March 1954 to 24 October 19541955: 4 April 1955 to 26 July 19551956: 5 May 1956 to 30 August 19561957: 23 April 1957 to 18 September 19571958: 7 June 1958 to 2 November 19581959: 17 June 1959 to 7 October 19591960: 22 June 1960 to 20 December 19601961: 13 June 1961 to 2 September 19611962: 11 May 1962 to 15 October 19621963: 1 May 1963 to 19 October 19631964: 3 May 1964 to 21 August 19641965: 6 May 1965 to 4 September 19651966: 15 May 1966 to 21 October 19661967: 20 April 1967 to 5 October 19671968: 5 June 1968 to 20 September 19681969: 26 April 1969 to 3 October 19691970: 15 April 1970 to 14 July 19701971: 4 June 1971 to 20 September 19711972: 12 April 1972 to 19 August 19721973: 20 April 1973 to 1 September 19731974: 31 March 1974 to 14 August 19741975: 8 April 1975 to 14 October 19751976: 8 June 1976 to 3 August 19761977: 19 May 1977 to 30 September 19771978: 6 May 1978 to 19 September 19781979: 18 April 1979 to 26 July 19791981: 8 May 1981 to 12 October 19811982: 15 March 1982 to 4 October 19821983: 9 May 1983 to 19 July 19831984: 7 June 1984 to 31 August 19842001: 29 May 2001 to 31 July 20012002: 23 May 2002 to 18 September 20022003: 15 April 2003 to 28 December 20032004: 19 May 2004 to 20 September 20042006: 17 April 2006 to 7 October 20062007: 9 April 2007 to 6 October 20072008: 1 May 2008 to 13 October 20082009: 29 March 2009 to 1 October 20092010: 30 April 2010 to 22 September 20101952195819641970197619832006JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Harb meeting 10 mm (0.39 in).
First to last qualifying date each year at Harb
YearFirst dateLast date
19521952-06-111952-09-19
19531953-04-301953-09-02
19541954-03-111954-10-24
19551955-04-041955-07-26
19561956-05-051956-08-30
19571957-04-231957-09-18
19581958-06-071958-11-02
19591959-06-171959-10-07
19601960-06-221960-12-20
19611961-06-131961-09-02
19621962-05-111962-10-15
19631963-05-011963-10-19
19641964-05-031964-08-21
19651965-05-061965-09-04
19661966-05-151966-10-21
19671967-04-201967-10-05
19681968-06-051968-09-20
19691969-04-261969-10-03
19701970-04-151970-07-14
19711971-06-041971-09-20
19721972-04-121972-08-19
19731973-04-201973-09-01
19741974-03-311974-08-14
19751975-04-081975-10-14
19761976-06-081976-08-03
19771977-05-191977-09-30
19781978-05-061978-09-19
19791979-04-181979-07-26
19811981-05-081981-10-12
19821982-03-151982-10-04
19831983-05-091983-07-19
19841984-06-071984-08-31
20012001-05-292001-07-31
20022002-05-232002-09-18
20032003-04-152003-12-28
20042004-05-192004-09-20
20062006-04-172006-10-07
20072007-04-092007-10-06
20082008-05-012008-10-13
20092009-03-292009-10-01
20102010-04-302010-09-22

Every Fixed Threshold

Fixed thresholds at Harb
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4115200710
25 mm (0.98 in): Days with 25 mm or more rain29519653
50 mm (1.97 in): Days with 50 mm or more rain8119621
10 cm (3.9 in): Days with 10 cm or more snowfall20519581
25 cm (9.8 in): Days with 25 cm or more snowfall1119831

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1952.

Download the Data

  • Data for Harb 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).