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Built 2026-10-19 (19 October 2026)

North Nicomen Threshold Days by Year (CA001105630)

14 fixed thresholds counted per year at North Nicomen (CA001105630): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for North Nicomen Thresholds

  • North Nicomen: nights with a minimum temperature at or below 0 C (32 F) in 32 years, most in 1922 with 115.
  • North Nicomen: days with 10 mm (0.39 in) or more of precipitation in 32 years, most in 1899 with 80.
  • North Nicomen: days with 25 mm (0.98 in) or more of precipitation in 32 years, most in 1920 with 26.
  • North Nicomen: days with a maximum temperature at or above 30 C (86 F) in 30 years, most in 1927 with 16.
  • 14 fixed thresholds have at least one qualifying day at North Nicomen.
30 years with a qualifying day
Days at or above 30 C (86 F) per year at North Nicomen Days per year at North Nicomen with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 16 in 1927. 051015201897: 111898: 151899: 51901: 51902: 71903: 21904: 61905: 81906: 91907: 51908: 91910: 71911: 71912: 81913: 131914: 51915: 91916: 61917: 21918: 51919: 51920: 141921: 21922: 91923: 131924: 91925: 131926: 111927: 161928: 111897190119041907191119141917192019231926
Days per year at North Nicomen with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 16 in 1927.
Days at or above 30 C (86 F) per year at North Nicomen
YearDaysDecade average
18971110.3
18981510.3
1899510.3
190156.4
190276.4
190326.4
190466.4
190586.4
190696.4
190756.4
190896.4
191076.7
191176.7
191286.7
1913136.7
191456.7
191596.7
191666.7
191726.7
191856.7
191956.7
19201410.9
1921210.9
1922910.9
19231310.9
1924910.9
19251310.9
19261110.9
19271610.9
19281110.9
First to last qualifying date each year at North Nicomen For each year, a bar from the first to the last day at North Nicomen meeting 30 C (86 F). 1897: 28 May 1897 to 22 August 18971898: 25 May 1898 to 9 September 18981899: 15 July 1899 to 28 July 18991901: 4 August 1901 to 23 August 19011902: 19 July 1902 to 11 August 19021903: 7 June 1903 to 8 June 19031904: 3 July 1904 to 5 August 19041905: 8 July 1905 to 8 August 19051906: 2 July 1906 to 11 August 19061907: 20 July 1907 to 8 September 19071908: 30 June 1908 to 18 August 19081910: 10 June 1910 to 19 September 19101911: 13 July 1911 to 24 July 19111912: 13 May 1912 to 18 July 19121913: 18 July 1913 to 22 August 19131914: 21 May 1914 to 13 August 19141915: 30 June 1915 to 28 August 19151916: 15 June 1916 to 26 August 19161917: 26 July 1917 to 16 August 19171918: 15 July 1918 to 27 September 19181919: 14 July 1919 to 13 September 19191920: 6 July 1920 to 21 August 19201921: 12 August 1921 to 13 August 19211922: 30 May 1922 to 26 August 19221923: 5 June 1923 to 11 September 19231924: 11 May 1924 to 11 August 19241925: 16 May 1925 to 20 August 19251926: 12 May 1926 to 23 August 19261927: 20 June 1927 to 16 August 19271928: 20 May 1928 to 22 September 192818971902190619111915191919231927JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at North Nicomen meeting 30 C (86 F).
First to last qualifying date each year at North Nicomen
YearFirst dateLast date
18971897-05-281897-08-22
18981898-05-251898-09-09
18991899-07-151899-07-28
19011901-08-041901-08-23
19021902-07-191902-08-11
19031903-06-071903-06-08
19041904-07-031904-08-05
19051905-07-081905-08-08
19061906-07-021906-08-11
19071907-07-201907-09-08
19081908-06-301908-08-18
19101910-06-101910-09-19
19111911-07-131911-07-24
19121912-05-131912-07-18
19131913-07-181913-08-22
19141914-05-211914-08-13
19151915-06-301915-08-28
19161916-06-151916-08-26
19171917-07-261917-08-16
19181918-07-151918-09-27
19191919-07-141919-09-13
19201920-07-061920-08-21
19211921-08-121921-08-13
19221922-05-301922-08-26
19231923-06-051923-09-11
19241924-05-111924-08-11
19251925-05-161925-08-20
19261926-05-121926-08-23
19271927-06-201927-08-16
19281928-05-201928-09-22

Every Fixed Threshold

Fixed thresholds at North Nicomen
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3016192711
35 C (95 F): Days7219081
90 F (32.2 C): Days26519085
0 C (32 F): Ice days (max303619163
0 C (32 F): Frost days (min32115192244
-10 C (14 F): Days with min241719168
-20 C (-4 F): Days with min1119111
20 C (68 F): Tropical nights (min2118991
10 mm (0.39 in): Days with 10 mm or more rain3280189949
25 mm (0.98 in): Days with 25 mm or more rain3226192013
50 mm (1.97 in): Days with 50 mm or more rain30819092
100 mm (3.94 in): Days with 100 mm or more rain3119091
10 cm (3.9 in): Days with 10 cm or more snowfall281319175
25 cm (9.8 in): Days with 25 cm or more snowfall13319071

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1897.

Download the Data

  • Data for North Nicomen 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).