Amsterdam Lock 1O Threshold Days by Year (USC00300159)

15 fixed thresholds counted per year at Amsterdam Lock 1O (USC00300159): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Amsterdam Lock 1O Thresholds

Amsterdam Lock 1O: days with 10 mm (0.39 in) or more of precipitation in 27 years, most in 1920 with 43.
Amsterdam Lock 1O: days with 25 mm (0.98 in) or more of precipitation in 26 years, most in 1920 with 12.
Amsterdam Lock 1O: days with a maximum temperature at or above 30 C (86 F) in 18 years, most in 1911 with 34.
Amsterdam Lock 1O: days with a maximum temperature at or above 90 F (32.2 C) in 18 years, most in 1911 with 16.
15 fixed thresholds have at least one qualifying day at Amsterdam Lock 1O.

Days at or above 30 C (86 F)

18 years with a qualifying day

Days per year at Amsterdam Lock 1O with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 34 in 1911.

Days at or above 30 C (86 F) per year at Amsterdam Lock 1O
Year	Days	Decade average
1904	13	17
1907	16	17
1908	26	17
1909	13	17
1910	17	20.6
1911	34	20.6
1912	18	20.6
1913	28	20.6
1914	19	20.6
1915	16	20.6
1916	20	20.6
1917	12	20.6
1918	23	20.6
1919	19	20.6
1920	16	20.3
1921	34	20.3
1922	12	20.3
1923	19	20.3

For each year, a bar from the first to the last day at Amsterdam Lock 1O meeting 30 C (86 F).

First to last qualifying date each year at Amsterdam Lock 1O
Year	First date	Last date
1904	1904-06-05	1904-08-25
1907	1907-05-14	1907-09-16
1908	1908-05-28	1908-09-24
1909	1909-06-22	1909-08-25
1910	1910-06-15	1910-09-06
1911	1911-05-11	1911-09-02
1912	1912-05-28	1912-08-13
1913	1913-04-25	1913-09-03
1914	1914-05-26	1914-09-23
1915	1915-04-25	1915-09-16
1916	1916-07-11	1916-08-22
1917	1917-07-20	1917-08-20
1918	1918-06-01	1918-08-25
1919	1919-06-02	1919-09-08
1920	1920-06-01	1920-09-26
1921	1921-05-21	1921-09-29
1922	1922-06-08	1922-10-01
1923	1923-06-05	1923-09-01

Every Fixed Threshold

Fixed thresholds at Amsterdam Lock 1O
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	18	34	1911	19
35 C (95 F): Days	10	7	1911	1
90 F (32.2 C): Days	18	16	1911	2
100 F (37.8 C): Days	1	1	1911	1
0 C (32 F): Ice days (max	18	85	1904	59
0 C (32 F): Frost days (min	18	178	1917	148
-10 C (14 F): Days with min	18	81	1904	60
-20 C (-4 F): Days with min	18	23	1904	14
-30 C (-22 F): Days with min	4	3	1914	2
20 C (68 F): Tropical nights (min	17	7	1911	2
25 C (77 F): Days with min	1	1	1918	1
10 mm (0.39 in): Days with 10 mm or more rain	27	43	1920	24
25 mm (0.98 in): Days with 25 mm or more rain	26	12	1920	2
50 mm (1.97 in): Days with 50 mm or more rain	16	2	1915	2
10 cm (3.9 in): Days with 10 cm or more snowfall	3	8	1904	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1904.

Download the Data

Data for Amsterdam Lock 1O 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Amsterdam Lock 1O Threshold Days by Year (USC00300159)

Key Facts for Amsterdam Lock 1O Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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