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Built 2026-10-18 (18 October 2026)

Hee Mtn Twr Threshold Days by Year

6 fixed thresholds counted per year at Hee Mtn Twr (USC00344017): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hee Mtn Twr Thresholds

  • Hee Mtn Twr: days with 10 mm (0.39 in) or more of precipitation in 32 years, most in 1990 with 56.
  • Hee Mtn Twr: days with 25 mm (0.98 in) or more of precipitation in 32 years, most in 1984 with 31.
  • Hee Mtn Twr: days with 50 mm (1.97 in) or more of precipitation in 31 years, most in 1979 with 9.
  • Hee Mtn Twr: days with 100 mm (3.94 in) or more of precipitation in 16 years, most in 1950 with 2.
  • 6 fixed thresholds have at least one qualifying day at Hee Mtn Twr.
32 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Hee Mtn Twr Days per year at Hee Mtn Twr with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 56 in 1990. 02040601949: 451950: 421951: 351952: 311957: 511959: 361960: 321961: 311962: 391963: 241969: 341971: 391972: 311976: 311977: 331978: 311979: 441980: 241981: 381982: 401983: 371984: 521985: 401986: 361987: 451988: 351989: 411990: 561991: 491992: 431993: 461994: 4119491957196219721979198319871991
Days per year at Hee Mtn Twr with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 56 in 1990.
Days with 10 mm (0.39 in) or more of precipitation per year at Hee Mtn Twr
YearDaysDecade average
19494545
19504239
19513539
19523139
19575139
19593639
19603232
19613132
19623932
19632432
19693432
19713934.8
19723134.8
19763134.8
19773334.8
19783134.8
19794434.8
19802438.8
19813838.8
19824038.8
19833738.8
19845238.8
19854038.8
19863638.8
19874538.8
19883538.8
19894138.8
19905647
19914947
19924347
19934647
19944147
First to last qualifying date each year at Hee Mtn Twr For each year, a bar from the first to the last day at Hee Mtn Twr meeting 10 mm (0.39 in). 1949: 15 January 1949 to 26 December 19491950: 2 January 1950 to 15 November 19501951: 2 January 1951 to 25 December 19511952: 3 January 1952 to 31 December 19521957: 4 January 1957 to 25 December 19571959: 15 January 1959 to 17 December 19591960: 6 January 1960 to 31 December 19601961: 7 February 1961 to 18 December 19611962: 9 January 1962 to 29 December 19621963: 5 January 1963 to 11 December 19631969: 16 January 1969 to 29 December 19691971: 4 January 1971 to 15 December 19711972: 27 January 1972 to 30 December 19721976: 5 February 1976 to 11 December 19761977: 6 January 1977 to 1 December 19771978: 12 January 1978 to 31 December 19781979: 1 January 1979 to 24 December 19791980: 21 January 1980 to 9 December 19801981: 1 February 1981 to 30 November 19811982: 3 January 1982 to 27 December 19821983: 1 February 1983 to 11 December 19831984: 10 January 1984 to 30 December 19841985: 10 January 1985 to 11 December 19851986: 17 January 1986 to 17 December 19861987: 3 January 1987 to 27 December 19871988: 7 January 1988 to 28 December 19881989: 13 January 1989 to 31 December 19891990: 4 January 1990 to 30 December 19901991: 6 January 1991 to 31 December 19911992: 14 January 1992 to 17 December 19921993: 4 January 1993 to 14 December 19931994: 11 January 1994 to 16 December 199419491957196219721979198319871991JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Hee Mtn Twr meeting 10 mm (0.39 in).
First to last qualifying date each year at Hee Mtn Twr
YearFirst dateLast date
19491949-01-151949-12-26
19501950-01-021950-11-15
19511951-01-021951-12-25
19521952-01-031952-12-31
19571957-01-041957-12-25
19591959-01-151959-12-17
19601960-01-061960-12-31
19611961-02-071961-12-18
19621962-01-091962-12-29
19631963-01-051963-12-11
19691969-01-161969-12-29
19711971-01-041971-12-15
19721972-01-271972-12-30
19761976-02-051976-12-11
19771977-01-061977-12-01
19781978-01-121978-12-31
19791979-01-011979-12-24
19801980-01-211980-12-09
19811981-02-011981-11-30
19821982-01-031982-12-27
19831983-02-011983-12-11
19841984-01-101984-12-30
19851985-01-101985-12-11
19861986-01-171986-12-17
19871987-01-031987-12-27
19881988-01-071988-12-28
19891989-01-131989-12-31
19901990-01-041990-12-30
19911991-01-061991-12-31
19921992-01-141992-12-17
19931993-01-041993-12-14
19941994-01-111994-12-16

Every Fixed Threshold

Fixed thresholds at Hee Mtn Twr
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3256199041
25 mm (0.98 in): Days with 25 mm or more rain3231198418
50 mm (1.97 in): Days with 50 mm or more rain31919796
100 mm (3.94 in): Days with 100 mm or more rain16219501
200 mm (7.87 in): Days with 200 mm or more rain2119711
10 cm (3.9 in): Days with 10 cm or more snowfall6219791

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

Download the Data

  • Data for Hee Mtn Twr 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).