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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

Newmarket Threshold Days by Year (CA006155616)

16 fixed thresholds counted per year at Newmarket (CA006155616): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Newmarket Thresholds

  • Newmarket: days with 10 mm (0.39 in) or more of precipitation in 12 years, most in 1967 with 30.
  • Newmarket: days with 25 mm (0.98 in) or more of precipitation in 12 years, most in 1878 with 8.
  • Newmarket: days with a maximum temperature at or above 30 C (86 F) in 11 years, most in 1876 with 33.
  • Newmarket: days with a maximum temperature at or below 0 C (32 F) in 11 years, most in 1963 with 91.
  • 16 fixed thresholds have at least one qualifying day at Newmarket.
11 years with a qualifying day
Days at or above 30 C (86 F) per year at Newmarket Days per year at Newmarket with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 33 in 1876. 0102030401876: 331878: 61957: 51958: 61959: 181962: 141963: 131964: 171965: 51966: 171967: 1187619571959196319651967
Days per year at Newmarket with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 33 in 1876.
Days at or above 30 C (86 F) per year at Newmarket
YearDaysDecade average
18763319.5
1878619.5
195759.7
195869.7
1959189.7
19621411.2
19631311.2
19641711.2
1965511.2
19661711.2
1967111.2
First to last qualifying date each year at Newmarket For each year, a bar from the first to the last day at Newmarket meeting 30 C (86 F). 1876: 10 June 1876 to 31 August 18761878: 1 July 1878 to 20 July 18781957: 17 June 1957 to 3 August 19571958: 15 July 1958 to 12 August 19581959: 8 June 1959 to 9 September 19591962: 15 May 1962 to 13 September 19621963: 26 June 1963 to 28 July 19631964: 23 May 1964 to 10 September 19641965: 28 June 1965 to 15 August 19651966: 24 June 1966 to 18 August 19661967: 16 June 1967 to 16 June 1967187619571959196319651967JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Newmarket meeting 30 C (86 F).
First to last qualifying date each year at Newmarket
YearFirst dateLast date
18761876-06-101876-08-31
18781878-07-011878-07-20
19571957-06-171957-08-03
19581958-07-151958-08-12
19591959-06-081959-09-09
19621962-05-151962-09-13
19631963-06-261963-07-28
19641964-05-231964-09-10
19651965-06-281965-08-15
19661966-06-241966-08-18
19671967-06-161967-06-16

Every Fixed Threshold

Fixed thresholds at Newmarket
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days113318761
35 C (95 F): Days1218762
90 F (32.2 C): Days101418767
0 C (32 F): Ice days (max1191196360
0 C (32 F): Frost days (min111831876138
-10 C (14 F): Days with min1179187646
-20 C (-4 F): Days with min111518768
-30 C (-22 F): Days with min1119671
20 C (68 F): Tropical nights (min111419593
10 mm (0.39 in): Days with 10 mm or more rain1230196730
25 mm (0.98 in): Days with 25 mm or more rain12818788
50 mm (1.97 in): Days with 50 mm or more rain5218781
100 mm (3.94 in): Days with 100 mm or more rain1118781
10 cm (3.9 in): Days with 10 cm or more snowfall10518761
25 cm (9.8 in): Days with 25 cm or more snowfall2318762
50 cm (19.7 in): Days with 50 cm or more snowfall2118761

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1876.

Download the Data

  • Data for Newmarket 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 (2026-10-17).