Hamilton Weather Records (USC00303602)

Record envelope, standing records and threshold days for Hamilton (USC00303602), New York, United States, with 70 years of record.

Key Facts for Hamilton

Hamilton (USC00303602) is a weather station in New York, United States at 42.82 latitude and -75.53 longitude, 369 m (1,211 ft) above sea level.
The station reports from 1894 to 1963, 70 years of record.
1,464 records set at Hamilton still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: New York, United States, 42.82 latitude, -75.53 longitude.
Elevation: 369 m (1,211 ft).
Period of record: 1894 to 1963, 70 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record

The band shows the record high and record low for each calendar day at Hamilton. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Hamilton, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	17.2 C (63.0 F)	-37.2 C (-35.0 F)	n/a	n/a
Feb	16.1 C (61.0 F)	-33.9 C (-29.0 F)	n/a	n/a
Mar	27.8 C (82.0 F)	-27.8 C (-18.0 F)	n/a	n/a
Apr	31.1 C (88.0 F)	-13.9 C (7.0 F)	n/a	n/a
May	31.7 C (89.1 F)	-6.1 C (21.0 F)	n/a	n/a
Jun	38.3 C (100.9 F)	-2.8 C (27.0 F)	n/a	n/a
Jul	36.1 C (97.0 F)	2.8 C (37.0 F)	n/a	n/a
Aug	36.1 C (97.0 F)	-2.8 C (27.0 F)	n/a	n/a
Sep	35.6 C (96.1 F)	-5.6 C (21.9 F)	n/a	n/a
Oct	30.6 C (87.1 F)	-11.1 C (12.0 F)	n/a	n/a
Nov	25.6 C (78.1 F)	-23.3 C (-9.9 F)	n/a	n/a
Dec	19.4 C (66.9 F)	-31.7 C (-25.1 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Hamilton still stand. 1895 holds the most, with 108.

Standing records at Hamilton by the year they were set
Year set	Standing records
1894	38
1895	108
1896	36
1936	2
1937	64
1938	59
1939	49
1940	72
1941	57
1942	43
1943	52
1944	44
1945	49
1946	48
1947	8
1948	59
1949	61
1950	61
1951	50
1952	47
1953	61
1954	57
1955	51
1956	70
1957	45
1958	45
1959	43
1960	26
1961	7
1962	19
1963	33

Wettest Day of Each Month

Aug: 99.1 mm (3.9 in)

The wettest day on record for each calendar month at Hamilton. The most was 99.1 mm (3.9 in) on 29 August 1949.

Record daily precipitation for each month at Hamilton
Month	Record daily precipitation (mm)	Date
Jan	32.3 mm (1.3 in)	30 January 1939
Feb	50.8 mm (2.0 in)	8 February 1895
Mar	37.3 mm (1.5 in)	15 March 1940
Apr	40.1 mm (1.6 in)	20 April 1950
May	41.7 mm (1.6 in)	7 May 1961
Jun	44.7 mm (1.8 in)	8 June 1948
Jul	71.1 mm (2.8 in)	10 July 1952
Aug	99.1 mm (3.9 in)	29 August 1949
Sep	83.8 mm (3.3 in)	1 September 1950
Oct	59.2 mm (2.3 in)	23 October 1937
Nov	43.4 mm (1.7 in)	8 November 1947
Dec	49.5 mm (1.9 in)	11 December 1952

Period of Record Coverage

1894 to 1963

31 years of record at Hamilton, 1894 to 1963. 11 years have data for under 90 percent of days and are left out of rankings: 1894, 1896, 1936, 1943, 1945, 1946, 1947, 1960 and others.

Days with data per year at Hamilton
Year	Days with data	Share of year	Complete
1894	179	49%	No
1895	364	100%	Yes
1896	160	44%	No
1936	24	7%	No
1937	337	92%	Yes
1938	341	93%	Yes
1939	355	97%	Yes
1940	361	99%	Yes
1941	364	100%	Yes
1942	334	92%	Yes
1943	288	79%	No
1944	331	90%	Yes
1945	263	72%	No
1946	208	57%	No
1947	92	25%	No
1948	346	95%	Yes
1949	365	100%	Yes
1950	364	100%	Yes
1951	365	100%	Yes
1952	366	100%	Yes
1953	362	99%	Yes
1954	365	100%	Yes
1955	365	100%	Yes
1956	362	99%	Yes
1957	360	99%	Yes
1958	358	98%	Yes
1959	358	98%	Yes
1960	328	90%	No
1961	31	8%	No
1962	183	50%	No
1963	269	74%	No

Latest Records

No records were set at this station in the latest data.

Climate Trend

15 complete years, 1895 to 1958

One stripe for each of 15 complete years at Hamilton, 1895 to 1958. Blue stripes are years cooler than the station's own mean of 7.6 C (45.6 F); red stripes are warmer. The coolest year was 1940, at 6.0 C (42.9 F), and the warmest was 1949, at 9.2 C (48.6 F). The strongest colour marks a difference of 1.7 C (3.1 F).

Annual mean temperature at Hamilton as warming stripes, 1895 to 1958
Year	Annual mean temperature	Difference from the station mean
1895	6.5 C	-1.06 C
1937	8.6 C	+1.02 C
1938	8.5 C	+0.91 C
1939	7.3 C	-0.30 C
1940	6.0 C	-1.53 C
1941	7.3 C	-0.22 C
1949	9.2 C	+1.65 C
1950	7.3 C	-0.28 C
1951	7.4 C	-0.19 C
1952	8.2 C	+0.65 C
1953	8.5 C	+0.90 C
1954	8.1 C	+0.52 C
1955	8.0 C	+0.48 C
1956	6.5 C	-1.09 C
1958	6.0 C	-1.53 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1894 to 1963

Yearly extremes at Hamilton: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	38.3 C (100.9 F)	1952	33.3 C (91.9 F)	31
Coldest night (TNn)	-37.2 C (-35.0 F)	1957	-27.8 C (-18.0 F)	31
Wettest day (Rx1day)	99.1 mm (3.9 in)	1949	43.4 mm (1.7 in)	31
Wettest five days (Rx5day)	147.1 mm (5.8 in)	1950	66.4 mm (2.6 in)	30
Longest dry spell (CDD)	25 days	1953	14 days	31

Hottest day (TXx)

The hottest day of the year at Hamilton, 1894 to 1963. The record is 38.3 C (100.9 F) in 1952, marked on the chart; the median year is 33.3 C (91.9 F).

Hottest day (TXx) at Hamilton by year
Year	Hottest day (TXx)
1894	36.1 C (97.0 F)
1895	33.3 C (91.9 F)
1896	30.6 C (87.1 F)
1936	14.4 C (57.9 F)
1937	33.3 C (91.9 F)
1938	33.3 C (91.9 F)
1939	34.4 C (93.9 F)
1940	34.4 C (93.9 F)
1941	34.4 C (93.9 F)
1942	32.8 C (91.0 F)
1943	33.3 C (91.9 F)
1944	36.1 C (97.0 F)
1945	32.2 C (90.0 F)
1946	33.3 C (91.9 F)
1947	18.3 C (64.9 F)
1948	33.3 C (91.9 F)
1949	33.3 C (91.9 F)
1950	30.6 C (87.1 F)
1951	31.7 C (89.1 F)
1952	38.3 C (100.9 F)
1953	36.1 C (97.0 F)
1954	35.0 C (95.0 F)
1955	36.1 C (97.0 F)
1956	31.7 C (89.1 F)
1957	35.0 C (95.0 F)
1958	31.7 C (89.1 F)
1959	33.3 C (91.9 F)
1960	32.8 C (91.0 F)
1961	10.0 C (50.0 F)
1962	33.9 C (93.0 F)
1963	33.3 C (91.9 F)

Coldest night (TNn)

The coldest night of the year at Hamilton, 1894 to 1963. The record is -37.2 C (-35.0 F) in 1957, marked on the chart; the median year is -27.8 C (-18.0 F).

Coldest night (TNn) at Hamilton by year
Year	Coldest night (TNn)
1894	-28.3 C (-18.9 F)
1895	-31.1 C (-24.0 F)
1896	-35.6 C (-32.1 F)
1936	-21.7 C (-7.1 F)
1937	-20.0 C (-4.0 F)
1938	-32.2 C (-26.0 F)
1939	-30.0 C (-22.0 F)
1940	-29.4 C (-20.9 F)
1941	-30.0 C (-22.0 F)
1942	-27.8 C (-18.0 F)
1943	-25.6 C (-14.1 F)
1944	-26.7 C (-16.1 F)
1945	-28.9 C (-20.0 F)
1946	-27.2 C (-17.0 F)
1947	-20.6 C (-5.1 F)
1948	-30.0 C (-22.0 F)
1949	-20.6 C (-5.1 F)
1950	-28.9 C (-20.0 F)
1951	-27.8 C (-18.0 F)
1952	-23.3 C (-9.9 F)
1953	-21.1 C (-6.0 F)
1954	-24.4 C (-11.9 F)
1955	-31.7 C (-25.1 F)
1956	-27.2 C (-17.0 F)
1957	-37.2 C (-35.0 F)
1958	-26.1 C (-15.0 F)
1959	-27.8 C (-18.0 F)
1960	-22.8 C (-9.0 F)
1961	-26.7 C (-16.1 F)
1962	-26.7 C (-16.1 F)
1963	-30.6 C (-23.1 F)

Wettest day (Rx1day)

The wettest day of the year at Hamilton, 1894 to 1963. The record is 99.1 mm (3.9 in) in 1949, marked on the chart; the median year is 43.4 mm (1.7 in).

Wettest day (Rx1day) at Hamilton by year
Year	Wettest day (Rx1day)
1894	48.3 mm (1.9 in)
1895	50.8 mm (2.0 in)
1896	24.9 mm (1.0 in)
1936	27.9 mm (1.1 in)
1937	59.2 mm (2.3 in)
1938	34.3 mm (1.4 in)
1939	39.9 mm (1.6 in)
1940	51.1 mm (2.0 in)
1941	30.7 mm (1.2 in)
1942	82.0 mm (3.2 in)
1943	45.7 mm (1.8 in)
1944	51.6 mm (2.0 in)
1945	32.0 mm (1.3 in)
1946	43.2 mm (1.7 in)
1947	43.4 mm (1.7 in)
1948	58.2 mm (2.3 in)
1949	99.1 mm (3.9 in)
1950	83.8 mm (3.3 in)
1951	38.6 mm (1.5 in)
1952	71.1 mm (2.8 in)
1953	40.6 mm (1.6 in)
1954	45.7 mm (1.8 in)
1955	53.6 mm (2.1 in)
1956	33.0 mm (1.3 in)
1957	50.8 mm (2.0 in)
1958	33.8 mm (1.3 in)
1959	34.3 mm (1.4 in)
1960	28.2 mm (1.1 in)
1961	41.7 mm (1.6 in)
1962	72.9 mm (2.9 in)
1963	27.7 mm (1.1 in)

Wettest five days (Rx5day)

The wettest five days of the year at Hamilton, 1894 to 1963. The record is 147.1 mm (5.8 in) in 1950, marked on the chart; the median year is 66.4 mm (2.6 in).

Wettest five days (Rx5day) at Hamilton by year
Year	Wettest five days (Rx5day)
1894	65.8 mm (2.6 in)
1895	68.3 mm (2.7 in)
1896	50.8 mm (2.0 in)
1936	n/a
1937	90.9 mm (3.6 in)
1938	64.5 mm (2.5 in)
1939	45.0 mm (1.8 in)
1940	78.2 mm (3.1 in)
1941	78.2 mm (3.1 in)
1942	84.5 mm (3.3 in)
1943	73.6 mm (2.9 in)
1944	82.6 mm (3.3 in)
1945	56.4 mm (2.2 in)
1946	53.6 mm (2.1 in)
1947	56.2 mm (2.2 in)
1948	74.0 mm (2.9 in)
1949	101.7 mm (4.0 in)
1950	147.1 mm (5.8 in)
1951	49.0 mm (1.9 in)
1952	100.1 mm (3.9 in)
1953	62.5 mm (2.5 in)
1954	64.5 mm (2.5 in)
1955	67.1 mm (2.6 in)
1956	57.7 mm (2.3 in)
1957	62.0 mm (2.4 in)
1958	67.4 mm (2.7 in)
1959	53.4 mm (2.1 in)
1960	71.3 mm (2.8 in)
1961	62.9 mm (2.5 in)
1962	96.2 mm (3.8 in)
1963	49.2 mm (1.9 in)

Longest dry spell (CDD)

The longest dry spell of the year at Hamilton, 1894 to 1963. The record is 25 days in 1953, marked on the chart; the median year is 14 days.

Longest dry spell (CDD) at Hamilton by year
Year	Longest dry spell (CDD)
1894	11 days
1895	15 days
1896	16 days
1936	1 day
1937	9 days
1938	12 days
1939	18 days
1940	11 days
1941	18 days
1942	11 days
1943	14 days
1944	18 days
1945	13 days
1946	16 days
1947	10 days
1948	13 days
1949	24 days
1950	20 days
1951	14 days
1952	12 days
1953	25 days
1954	16 days
1955	18 days
1956	15 days
1957	15 days
1958	10 days
1959	15 days
1960	13 days
1961	12 days
1962	10 days
1963	12 days

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Download the Data

Data for Hamilton standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Hamilton 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).