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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Tracy 1 NE Threshold Days by Year (USC00138307)

6 fixed thresholds counted per year at Tracy 1 NE (USC00138307): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tracy 1 NE Thresholds

  • Tracy 1 NE: days with 10 mm (0.39 in) or more of precipitation in 17 years, most in 1965 with 34.
  • Tracy 1 NE: days with 25 mm (0.98 in) or more of precipitation in 17 years, most in 1960 with 13.
  • Tracy 1 NE: days with 50 mm (1.97 in) or more of precipitation in 11 years, most in 1961 with 3.
  • Tracy 1 NE: days with 10 cm (3.9 in) or more of snowfall in 10 years, most in 1951 with 5.
  • 6 fixed thresholds have at least one qualifying day at Tracy 1 NE.
17 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Tracy 1 NE Days per year at Tracy 1 NE with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 34 in 1965. 0102030401949: 251950: 191951: 311952: 261953: 181954: 251955: 231956: 131957: 311958: 241959: 301960: 291961: 291962: 241963: 251964: 211965: 34194919511953195519571959196119631965
Days per year at Tracy 1 NE with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 34 in 1965.
Days with 10 mm (0.39 in) or more of precipitation per year at Tracy 1 NE
YearDaysDecade average
19492525
19501924
19513124
19522624
19531824
19542524
19552324
19561324
19573124
19582424
19593024
19602927
19612927
19622427
19632527
19642127
19653427
First to last qualifying date each year at Tracy 1 NE For each year, a bar from the first to the last day at Tracy 1 NE meeting 10 mm (0.39 in). 1949: 27 January 1949 to 12 December 19491950: 13 January 1950 to 9 November 19501951: 16 February 1951 to 12 November 19511952: 10 March 1952 to 20 December 19521953: 6 February 1953 to 10 December 19531954: 26 February 1954 to 14 October 19541955: 5 January 1955 to 29 September 19551956: 25 February 1956 to 15 November 19561957: 11 March 1957 to 25 December 19571958: 6 March 1958 to 18 November 19581959: 21 January 1959 to 23 December 19591960: 12 January 1960 to 5 December 19601961: 23 February 1961 to 23 December 19611962: 26 January 1962 to 4 December 19621963: 4 March 1963 to 22 November 19631964: 13 April 1964 to 15 November 19641965: 2 January 1965 to 24 December 1965194919521955195819611964JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Tracy 1 NE meeting 10 mm (0.39 in).
First to last qualifying date each year at Tracy 1 NE
YearFirst dateLast date
19491949-01-271949-12-12
19501950-01-131950-11-09
19511951-02-161951-11-12
19521952-03-101952-12-20
19531953-02-061953-12-10
19541954-02-261954-10-14
19551955-01-051955-09-29
19561956-02-251956-11-15
19571957-03-111957-12-25
19581958-03-061958-11-18
19591959-01-211959-12-23
19601960-01-121960-12-05
19611961-02-231961-12-23
19621962-01-261962-12-04
19631963-03-041963-11-22
19641964-04-131964-11-15
19651965-01-021965-12-24

Every Fixed Threshold

Fixed thresholds at Tracy 1 NE
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain1734196534
25 mm (0.98 in): Days with 25 mm or more rain171319607
50 mm (1.97 in): Days with 50 mm or more rain11319612
100 mm (3.94 in): Days with 100 mm or more rain2119521
10 cm (3.9 in): Days with 10 cm or more snowfall10519511
25 cm (9.8 in): Days with 25 cm or more snowfall2119521

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 Tracy 1 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).