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Built 2026-10-19 (19 October 2026)

North Head Threshold Days by Year (ASN00030112)

5 fixed thresholds counted per year at North Head (ASN00030112): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for North Head Thresholds

  • North Head: days with 10 mm (0.39 in) or more of precipitation in 32 years, most in 1974 with 48.
  • North Head: days with 25 mm (0.98 in) or more of precipitation in 32 years, most in 1974 with 25.
  • North Head: days with 50 mm (1.97 in) or more of precipitation in 29 years, most in 1975 with 10.
  • North Head: days with 100 mm (3.94 in) or more of precipitation in 9 years, most in 1991 with 2.
  • 5 fixed thresholds have at least one qualifying day at North Head.
32 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at North Head Days per year at North Head with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 48 in 1974. 02040601970: 201971: 291973: 361974: 481975: 311976: 311977: 201978: 151981: 271982: 151983: 191984: 221985: 151986: 151988: 191989: 221991: 301992: 211993: 291994: 181995: 261996: 141997: 271998: 351999: 352000: 422001: 122002: 282003: 202004: 232018: 182020: 1719701975198119851991199519992003
Days per year at North Head with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 48 in 1974.
Days with 10 mm (0.39 in) or more of precipitation per year at North Head
YearDaysDecade average
19702028.8
19712928.8
19733628.8
19744828.8
19753128.8
19763128.8
19772028.8
19781528.8
19812719.3
19821519.3
19831919.3
19842219.3
19851519.3
19861519.3
19881919.3
19892219.3
19913026.1
19922126.1
19932926.1
19941826.1
19952626.1
19961426.1
19972726.1
19983526.1
19993526.1
20004225
20011225
20022825
20032025
20042325
20181818
20201717
First to last qualifying date each year at North Head For each year, a bar from the first to the last day at North Head meeting 10 mm (0.39 in). 1970: 19 January 1970 to 8 December 19701971: 8 January 1971 to 27 December 19711973: 8 January 1973 to 31 December 19731974: 2 January 1974 to 31 December 19741975: 1 January 1975 to 30 December 19751976: 2 January 1976 to 30 December 19761977: 6 January 1977 to 30 December 19771978: 6 January 1978 to 19 November 19781981: 4 January 1981 to 14 December 19811982: 3 January 1982 to 31 December 19821983: 1 January 1983 to 1 December 19831984: 1 January 1984 to 21 October 19841985: 22 January 1985 to 30 December 19851986: 9 January 1986 to 18 December 19861988: 15 January 1988 to 28 December 19881989: 13 January 1989 to 17 December 19891991: 1 January 1991 to 11 December 19911992: 2 January 1992 to 17 December 19921993: 6 January 1993 to 24 December 19931994: 9 January 1994 to 24 December 19941995: 1 January 1995 to 24 December 19951996: 2 January 1996 to 19 December 19961997: 3 January 1997 to 30 December 19971998: 4 January 1998 to 31 December 19981999: 5 January 1999 to 27 December 19992000: 7 January 2000 to 31 December 20002001: 22 January 2001 to 31 December 20012002: 3 January 2002 to 29 December 20022003: 5 January 2003 to 30 December 20032004: 4 January 2004 to 30 December 20042018: 6 January 2018 to 7 December 20182020: 25 January 2020 to 21 December 202019701975198119851991199519992003JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at North Head meeting 10 mm (0.39 in).
First to last qualifying date each year at North Head
YearFirst dateLast date
19701970-01-191970-12-08
19711971-01-081971-12-27
19731973-01-081973-12-31
19741974-01-021974-12-31
19751975-01-011975-12-30
19761976-01-021976-12-30
19771977-01-061977-12-30
19781978-01-061978-11-19
19811981-01-041981-12-14
19821982-01-031982-12-31
19831983-01-011983-12-01
19841984-01-011984-10-21
19851985-01-221985-12-30
19861986-01-091986-12-18
19881988-01-151988-12-28
19891989-01-131989-12-17
19911991-01-011991-12-11
19921992-01-021992-12-17
19931993-01-061993-12-24
19941994-01-091994-12-24
19951995-01-011995-12-24
19961996-01-021996-12-19
19971997-01-031997-12-30
19981998-01-041998-12-31
19991999-01-051999-12-27
20002000-01-072000-12-31
20012001-01-222001-12-31
20022002-01-032002-12-29
20032003-01-052003-12-30
20042004-01-042004-12-30
20182018-01-062018-12-07
20202020-01-252020-12-21

Every Fixed Threshold

Fixed thresholds at North Head
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3248197417
25 mm (0.98 in): Days with 25 mm or more rain3225197410
50 mm (1.97 in): Days with 50 mm or more rain291019752
100 mm (3.94 in): Days with 100 mm or more rain9219911
200 mm (7.87 in): Days with 200 mm or more rain1120021

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1970.

Download the Data

  • Data for North Head 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).