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

Millbury Threshold Days by Year (USC00194771)

17 fixed thresholds counted per year at Millbury (USC00194771): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Millbury Thresholds

  • Millbury: days with 10 mm (0.39 in) or more of precipitation in 28 years, most in 1933 with 44.
  • Millbury: days with 25 mm (0.98 in) or more of precipitation in 28 years, most in 1951 with 19.
  • Millbury: days with 50 mm (1.97 in) or more of precipitation in 22 years, most in 1938 with 5.
  • Millbury: days with 10 cm (3.9 in) or more of snowfall in 13 years, most in 1933 with 8.
  • 17 fixed thresholds have at least one qualifying day at Millbury.
28 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Millbury Days per year at Millbury with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 44 in 1933. 02040601932: 341933: 441934: 371935: 261936: 391937: 391938: 431939: 351940: 301941: 261942: 441943: 341944: 321945: 381946: 361947: 291948: 371949: 271950: 351951: 421952: 371953: 431954: 421955: 321956: 371957: 291958: 401959: 401932193519381941194419471950195319561959
Days per year at Millbury with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 44 in 1933.
Days with 10 mm (0.39 in) or more of precipitation per year at Millbury
YearDaysDecade average
19323437.1
19334437.1
19343737.1
19352637.1
19363937.1
19373937.1
19384337.1
19393537.1
19403033.3
19412633.3
19424433.3
19433433.3
19443233.3
19453833.3
19463633.3
19472933.3
19483733.3
19492733.3
19503537.7
19514237.7
19523737.7
19534337.7
19544237.7
19553237.7
19563737.7
19572937.7
19584037.7
19594037.7
First to last qualifying date each year at Millbury For each year, a bar from the first to the last day at Millbury meeting 10 mm (0.39 in). 1932: 2 January 1932 to 28 December 19321933: 10 January 1933 to 27 December 19331934: 6 January 1934 to 27 December 19341935: 2 January 1935 to 16 December 19351936: 3 January 1936 to 20 December 19361937: 3 January 1937 to 25 December 19371938: 2 January 1938 to 27 December 19381939: 6 January 1939 to 21 December 19391940: 15 January 1940 to 29 December 19401941: 4 January 1941 to 25 December 19411942: 2 January 1942 to 31 December 19421943: 19 January 1943 to 27 December 19431944: 7 January 1944 to 28 December 19441945: 2 January 1945 to 30 December 19451946: 10 January 1946 to 28 December 19461947: 2 January 1947 to 27 December 19471948: 3 January 1948 to 30 December 19481949: 1 January 1949 to 27 December 19491950: 7 January 1950 to 30 December 19501951: 8 January 1951 to 26 December 19511952: 3 January 1952 to 23 December 19521953: 3 January 1953 to 15 December 19531954: 10 January 1954 to 30 December 19541955: 7 February 1955 to 11 November 19551956: 9 January 1956 to 23 December 19561957: 23 January 1957 to 27 December 19571958: 1 January 1958 to 6 December 19581959: 2 January 1959 to 29 December 19591932193619401944194819521956JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Millbury meeting 10 mm (0.39 in).
First to last qualifying date each year at Millbury
YearFirst dateLast date
19321932-01-021932-12-28
19331933-01-101933-12-27
19341934-01-061934-12-27
19351935-01-021935-12-16
19361936-01-031936-12-20
19371937-01-031937-12-25
19381938-01-021938-12-27
19391939-01-061939-12-21
19401940-01-151940-12-29
19411941-01-041941-12-25
19421942-01-021942-12-31
19431943-01-191943-12-27
19441944-01-071944-12-28
19451945-01-021945-12-30
19461946-01-101946-12-28
19471947-01-021947-12-27
19481948-01-031948-12-30
19491949-01-011949-12-27
19501950-01-071950-12-30
19511951-01-081951-12-26
19521952-01-031952-12-23
19531953-01-031953-12-15
19541954-01-101954-12-30
19551955-02-071955-11-11
19561956-01-091956-12-23
19571957-01-231957-12-27
19581958-01-011958-12-06
19591959-01-021959-12-29

Every Fixed Threshold

Fixed thresholds at Millbury
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days156193356
35 C (95 F): Days115193315
90 F (32.2 C): Days131193331
100 F (37.8 C): Days1319333
0 C (32 F): Ice days (max114193314
0 C (32 F): Frost days (min2135193394
-10 C (14 F): Days with min22419339
-20 C (-4 F): Days with min1319333
20 C (68 F): Tropical nights (min240193740
25 C (77 F): Days with min1719377
10 mm (0.39 in): Days with 10 mm or more rain2844193340
25 mm (0.98 in): Days with 25 mm or more rain2819195116
50 mm (1.97 in): Days with 50 mm or more rain22519383
100 mm (3.94 in): Days with 100 mm or more rain3119361
200 mm (7.87 in): Days with 200 mm or more rain1119551
10 cm (3.9 in): Days with 10 cm or more snowfall13819333
25 cm (9.8 in): Days with 25 cm or more snowfall6219332

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1933.

Download the Data

  • Data for Millbury 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).