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Built 2026-10-19 (19 October 2026)

Halliday Threshold Days by Year (USC00323846)

6 fixed thresholds counted per year at Halliday (USC00323846): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Halliday Thresholds

  • Halliday: days with 10 mm (0.39 in) or more of precipitation in 36 years, most in 1971 with 20.
  • Halliday: days with 25 mm (0.98 in) or more of precipitation in 35 years, most in 1964 with 6.
  • Halliday: days with 50 mm (1.97 in) or more of precipitation in 17 years, most in 1971 with 3.
  • Halliday: days with 10 cm (3.9 in) or more of snowfall in 13 years, most in 2005 with 8.
  • 6 fixed thresholds have at least one qualifying day at Halliday.
36 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Halliday Days per year at Halliday with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 20 in 1971. 051015201942: 171945: 91946: 101947: 111948: 121949: 81950: 131951: 111952: 81953: 151954: 121955: 91956: 91957: 161959: 101960: 91961: 91962: 161963: 141964: 161965: 131966: 101967: 121968: 141969: 141970: 151971: 201972: 161973: 132003: 112004: 92005: 172006: 132007: 112008: 182009: 17194219481952195619611965196919732006
Days per year at Halliday with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 20 in 1971.
Days with 10 mm (0.39 in) or more of precipitation per year at Halliday
YearDaysDecade average
19421711.2
1945911.2
19461011.2
19471111.2
19481211.2
1949811.2
19501311.4
19511111.4
1952811.4
19531511.4
19541211.4
1955911.4
1956911.4
19571611.4
19591011.4
1960912.7
1961912.7
19621612.7
19631412.7
19641612.7
19651312.7
19661012.7
19671212.7
19681412.7
19691412.7
19701516
19712016
19721616
19731316
20031113.7
2004913.7
20051713.7
20061313.7
20071113.7
20081813.7
20091713.7
First to last qualifying date each year at Halliday For each year, a bar from the first to the last day at Halliday meeting 10 mm (0.39 in). 1942: 27 March 1942 to 21 September 19421945: 1 April 1945 to 5 November 19451946: 1 May 1946 to 29 October 19461947: 5 April 1947 to 11 August 19471948: 7 April 1948 to 9 August 19481949: 8 January 1949 to 10 August 19491950: 26 March 1950 to 15 November 19501951: 28 February 1951 to 13 October 19511952: 19 February 1952 to 13 September 19521953: 21 March 1953 to 22 October 19531954: 28 April 1954 to 16 September 19541955: 19 April 1955 to 21 September 19551956: 28 March 1956 to 30 August 19561957: 5 March 1957 to 6 October 19571959: 30 May 1959 to 25 November 19591960: 25 April 1960 to 25 August 19601961: 22 February 1961 to 19 September 19611962: 28 March 1962 to 23 August 19621963: 3 April 1963 to 27 August 19631964: 27 April 1964 to 26 September 19641965: 8 April 1965 to 4 September 19651966: 11 May 1966 to 21 October 19661967: 14 April 1967 to 17 December 19671968: 7 April 1968 to 14 October 19681969: 20 February 1969 to 22 December 19691970: 12 April 1970 to 24 September 19701971: 14 March 1971 to 2 October 19711972: 17 March 1972 to 29 December 19721973: 12 February 1973 to 19 November 19732003: 16 April 2003 to 30 October 20032004: 25 January 2004 to 29 October 20042005: 18 March 2005 to 13 November 20052006: 19 March 2006 to 17 October 20062007: 28 February 2007 to 8 September 20072008: 10 May 2008 to 30 December 20082009: 9 February 2009 to 26 December 200919421949195419601965197020042009JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Halliday meeting 10 mm (0.39 in).
First to last qualifying date each year at Halliday
YearFirst dateLast date
19421942-03-271942-09-21
19451945-04-011945-11-05
19461946-05-011946-10-29
19471947-04-051947-08-11
19481948-04-071948-08-09
19491949-01-081949-08-10
19501950-03-261950-11-15
19511951-02-281951-10-13
19521952-02-191952-09-13
19531953-03-211953-10-22
19541954-04-281954-09-16
19551955-04-191955-09-21
19561956-03-281956-08-30
19571957-03-051957-10-06
19591959-05-301959-11-25
19601960-04-251960-08-25
19611961-02-221961-09-19
19621962-03-281962-08-23
19631963-04-031963-08-27
19641964-04-271964-09-26
19651965-04-081965-09-04
19661966-05-111966-10-21
19671967-04-141967-12-17
19681968-04-071968-10-14
19691969-02-201969-12-22
19701970-04-121970-09-24
19711971-03-141971-10-02
19721972-03-171972-12-29
19731973-02-121973-11-19
20032003-04-162003-10-30
20042004-01-252004-10-29
20052005-03-182005-11-13
20062006-03-192006-10-17
20072007-02-282007-09-08
20082008-05-102008-12-30
20092009-02-092009-12-26

Every Fixed Threshold

Fixed thresholds at Halliday
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3620197117
25 mm (0.98 in): Days with 25 mm or more rain35619643
50 mm (1.97 in): Days with 50 mm or more rain17319712
10 cm (3.9 in): Days with 10 cm or more snowfall13820055
25 cm (9.8 in): Days with 25 cm or more snowfall5220052
50 cm (19.7 in): Days with 50 cm or more snowfall1120091

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1942.

Download the Data

  • Data for Halliday 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).