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Built 2026-10-19 (19 October 2026)

Topaz 4 NE Threshold Days by Year (USC00238412)

6 fixed thresholds counted per year at Topaz 4 NE (USC00238412): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Topaz 4 NE Thresholds

  • Topaz 4 NE: days with 10 mm (0.39 in) or more of precipitation in 28 years, most in 1951 with 47.
  • Topaz 4 NE: days with 25 mm (0.98 in) or more of precipitation in 28 years, most in 1951 with 19.
  • Topaz 4 NE: days with 50 mm (1.97 in) or more of precipitation in 25 years, most in 1946 with 5.
  • Topaz 4 NE: days with 10 cm (3.9 in) or more of snowfall in 14 years, most in 1948 with 3.
  • 6 fixed thresholds have at least one qualifying day at Topaz 4 NE.
28 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Topaz 4 NE Days per year at Topaz 4 NE with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 47 in 1951. 02040601940: 301941: 371942: 371944: 301945: 451946: 431947: 301948: 381949: 421950: 361951: 471952: 271953: 201954: 311955: 301956: 281957: 431958: 461959: 361960: 281961: 331962: 311963: 281964: 281965: 411966: 341967: 381968: 431940194419471950195319561959196219651968
Days per year at Topaz 4 NE with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 47 in 1951.
Days with 10 mm (0.39 in) or more of precipitation per year at Topaz 4 NE
YearDaysDecade average
19403036.9
19413736.9
19423736.9
19443036.9
19454536.9
19464336.9
19473036.9
19483836.9
19494236.9
19503634.4
19514734.4
19522734.4
19532034.4
19543134.4
19553034.4
19562834.4
19574334.4
19584634.4
19593634.4
19602833.8
19613333.8
19623133.8
19632833.8
19642833.8
19654133.8
19663433.8
19673833.8
19684333.8
First to last qualifying date each year at Topaz 4 NE For each year, a bar from the first to the last day at Topaz 4 NE meeting 10 mm (0.39 in). 1940: 14 January 1940 to 31 December 19401941: 1 January 1941 to 23 December 19411942: 27 January 1942 to 28 December 19421944: 27 January 1944 to 6 December 19441945: 19 January 1945 to 25 December 19451946: 5 January 1946 to 29 December 19461947: 2 January 1947 to 22 November 19471948: 1 January 1948 to 29 December 19481949: 16 January 1949 to 26 December 19491950: 2 January 1950 to 4 December 19501951: 3 January 1951 to 9 December 19511952: 1 February 1952 to 20 December 19521953: 17 January 1953 to 3 December 19531954: 10 January 1954 to 29 December 19541955: 2 February 1955 to 16 November 19551956: 2 February 1956 to 20 December 19561957: 22 January 1957 to 17 December 19571958: 20 January 1958 to 28 November 19581959: 10 February 1959 to 27 December 19591960: 14 January 1960 to 11 December 19601961: 8 February 1961 to 17 December 19611962: 5 January 1962 to 29 December 19621963: 1 March 1963 to 11 December 19631964: 6 February 1964 to 4 December 19641965: 1 January 1965 to 25 December 19651966: 1 January 1966 to 28 December 19661967: 26 January 1967 to 21 December 19671968: 28 January 1968 to 28 December 19681940194519491953195719611965JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Topaz 4 NE meeting 10 mm (0.39 in).
First to last qualifying date each year at Topaz 4 NE
YearFirst dateLast date
19401940-01-141940-12-31
19411941-01-011941-12-23
19421942-01-271942-12-28
19441944-01-271944-12-06
19451945-01-191945-12-25
19461946-01-051946-12-29
19471947-01-021947-11-22
19481948-01-011948-12-29
19491949-01-161949-12-26
19501950-01-021950-12-04
19511951-01-031951-12-09
19521952-02-011952-12-20
19531953-01-171953-12-03
19541954-01-101954-12-29
19551955-02-021955-11-16
19561956-02-021956-12-20
19571957-01-221957-12-17
19581958-01-201958-11-28
19591959-02-101959-12-27
19601960-01-141960-12-11
19611961-02-081961-12-17
19621962-01-051962-12-29
19631963-03-011963-12-11
19641964-02-061964-12-04
19651965-01-011965-12-25
19661966-01-011966-12-28
19671967-01-261967-12-21
19681968-01-281968-12-28

Every Fixed Threshold

Fixed thresholds at Topaz 4 NE
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2847195143
25 mm (0.98 in): Days with 25 mm or more rain2819195116
50 mm (1.97 in): Days with 50 mm or more rain25519463
100 mm (3.94 in): Days with 100 mm or more rain7119411
10 cm (3.9 in): Days with 10 cm or more snowfall14319481
25 cm (9.8 in): Days with 25 cm or more snowfall2119511

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1940.

Download the Data

  • Data for Topaz 4 NE 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).