Record envelope, standing records and threshold days for Harkness (USC00303662), New York, United States, with 31 years of record.
Key Facts for Harkness
Harkness (USC00303662) is a weather station in New York, United States at 44.53 latitude and -73.57 longitude, 190 m (622 ft) above sea level.
The station reports from 1902 to 1932, 31 years of record.
1,464 records set at Harkness still stand.
Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
Harkness set a daily record precipitation of 19.1 mm (0.8 in) on 31 December 1932.
About the Station
Location: New York, United States, 44.53 latitude, -73.57 longitude.
Elevation: 190 m (622 ft).
Period of record: 1902 to 1932, 31 years.
Eligible elements: tmax, tmin, prcp.
Daily Record Envelope and 2026
0 days at or beyond a record
Record highRecord low2026 daily maximum2026 daily minimum
The band shows the record high and record low for each calendar day at Harkness. 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 Harkness, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
17.8 C (64.0 F)
-35.0 C (-31.0 F)
n/a
n/a
Feb
15.6 C (60.1 F)
-35.6 C (-32.1 F)
n/a
n/a
Mar
23.9 C (75.0 F)
-25.6 C (-14.1 F)
n/a
n/a
Apr
30.6 C (87.1 F)
-16.1 C (3.0 F)
n/a
n/a
May
34.4 C (93.9 F)
-6.1 C (21.0 F)
n/a
n/a
Jun
35.6 C (96.1 F)
-0.6 C (30.9 F)
n/a
n/a
Jul
38.9 C (102.0 F)
4.4 C (39.9 F)
n/a
n/a
Aug
36.7 C (98.1 F)
2.8 C (37.0 F)
n/a
n/a
Sep
35.0 C (95.0 F)
-2.2 C (28.0 F)
n/a
n/a
Oct
29.4 C (84.9 F)
-10.6 C (12.9 F)
n/a
n/a
Nov
23.3 C (73.9 F)
-18.9 C (-2.0 F)
n/a
n/a
Dec
16.7 C (62.1 F)
-34.4 C (-29.9 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Harkness still stand. 1903 holds the most, with 73.
Standing records at Harkness by the year they were set
Year set
Standing records
1902
43
1903
73
1904
53
1905
29
1906
44
1907
52
1908
48
1909
41
1910
33
1911
63
1912
56
1913
60
1914
65
1915
35
1916
65
1917
44
1918
58
1919
50
1920
43
1921
52
1922
44
1923
54
1924
28
1925
44
1926
39
1927
33
1928
35
1929
51
1930
57
1931
44
1932
28
All-Time Record Progression
1 new records
1 all-time records were set at Harkness between 6 October 1932 and 6 October 1932. Each dot is a new record.
When Harkness set new all-time records
Date
Kind
Detail
1932-10-06
Record daily precipitation
Record daily precipitation 133.4 mm (5.3 in)
Wettest Day of Each Month
Oct: 133.4 mm (5.3 in)
The wettest day on record for each calendar month at Harkness. The most was 133.4 mm (5.3 in) on 6 October 1932.
Record daily precipitation for each month at Harkness
Month
Record daily precipitation (mm)
Date
Jan
50.8 mm (2.0 in)
30 January 1925
Feb
47.5 mm (1.9 in)
26 February 1916
Mar
46.2 mm (1.8 in)
28 March 1925
Apr
39.6 mm (1.6 in)
17 April 1929
May
36.8 mm (1.4 in)
11 May 1909
Jun
73.2 mm (2.9 in)
12 June 1903
Jul
70.6 mm (2.8 in)
30 July 1905
Aug
49.5 mm (1.9 in)
31 August 1918
Sep
68.6 mm (2.7 in)
13 September 1920
Oct
133.4 mm (5.3 in)
6 October 1932
Nov
54.6 mm (2.1 in)
23 November 1924
Dec
39.1 mm (1.5 in)
14 December 1915
Period of Record Coverage
1902 to 1932
Complete yearUnder 90 percent of days
31 years of record at Harkness, 1902 to 1932. 2 years have data for under 90 percent of days and are left out of rankings: 1902, 1932.
Cooler than the station meanWarmer than the station mean
One stripe for each of 29 complete years at Harkness, 1903 to 1931. Blue stripes are years cooler than the station's own mean of 6.6 C (43.9 F); red stripes are warmer. The coolest year was 1904, at 4.9 C (40.8 F), and the warmest was 1921, at 8.4 C (47.1 F). The strongest colour marks a difference of 1.8 C (3.2 F).
Annual mean temperature at Harkness as warming stripes, 1903 to 1931
Year
Annual mean temperature
Difference from the station mean
1903
7.0 C
+0.39 C
1904
4.9 C
-1.74 C
1905
6.1 C
-0.56 C
1906
6.5 C
-0.10 C
1907
5.7 C
-0.91 C
1908
7.0 C
+0.42 C
1909
6.4 C
-0.22 C
1910
6.4 C
-0.18 C
1911
7.0 C
+0.39 C
1912
6.1 C
-0.57 C
1913
7.9 C
+1.24 C
1914
5.9 C
-0.68 C
1915
7.3 C
+0.72 C
1916
6.5 C
-0.08 C
1917
5.0 C
-1.63 C
1918
6.3 C
-0.36 C
1919
7.1 C
+0.43 C
1920
6.6 C
-0.03 C
1921
8.4 C
+1.75 C
1922
7.1 C
+0.45 C
1923
6.2 C
-0.45 C
1924
6.2 C
-0.44 C
1925
6.7 C
+0.09 C
1926
5.2 C
-1.40 C
1927
7.2 C
+0.60 C
1928
7.0 C
+0.36 C
1929
6.8 C
+0.21 C
1930
7.5 C
+0.86 C
1931
8.2 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
1902 to 1932
Yearly extremes at Harkness: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
38.9 C (102.0 F)
1911
33.9 C (93.0 F)
31
Coldest night (TNn)
-35.6 C (-32.1 F)
1920
-28.9 C (-20.0 F)
31
Wettest day (Rx1day)
133.4 mm (5.3 in)
1932
43.2 mm (1.7 in)
31
Wettest five days (Rx5day)
148.4 mm (5.8 in)
1932
67.4 mm (2.7 in)
31
Longest dry spell (CDD)
52 days
1903
18 days
31
Hottest day (TXx)
The hottest day of the year at Harkness, 1902 to 1932. The record is 38.9 C (102.0 F) in 1911, marked on the chart; the median year is 33.9 C (93.0 F).
Hottest day (TXx) at Harkness by year
Year
Hottest day (TXx)
1902
31.7 C (89.1 F)
1903
33.3 C (91.9 F)
1904
35.0 C (95.0 F)
1905
31.7 C (89.1 F)
1906
32.2 C (90.0 F)
1907
35.6 C (96.1 F)
1908
35.0 C (95.0 F)
1909
33.3 C (91.9 F)
1910
32.8 C (91.0 F)
1911
38.9 C (102.0 F)
1912
35.0 C (95.0 F)
1913
35.6 C (96.1 F)
1914
36.1 C (97.0 F)
1915
33.3 C (91.9 F)
1916
35.6 C (96.1 F)
1917
36.7 C (98.1 F)
1918
33.3 C (91.9 F)
1919
35.0 C (95.0 F)
1920
31.7 C (89.1 F)
1921
37.2 C (99.0 F)
1922
32.8 C (91.0 F)
1923
33.9 C (93.0 F)
1924
34.4 C (93.9 F)
1925
33.9 C (93.0 F)
1926
32.8 C (91.0 F)
1927
32.8 C (91.0 F)
1928
31.7 C (89.1 F)
1929
35.6 C (96.1 F)
1930
32.8 C (91.0 F)
1931
35.6 C (96.1 F)
1932
33.3 C (91.9 F)
Coldest night (TNn)
The coldest night of the year at Harkness, 1902 to 1932. The record is -35.6 C (-32.1 F) in 1920, marked on the chart; the median year is -28.9 C (-20.0 F).
Coldest night (TNn) at Harkness by year
Year
Coldest night (TNn)
1902
-27.2 C (-17.0 F)
1903
-27.8 C (-18.0 F)
1904
-31.1 C (-24.0 F)
1905
-24.4 C (-11.9 F)
1906
-30.0 C (-22.0 F)
1907
-30.0 C (-22.0 F)
1908
-33.3 C (-27.9 F)
1909
-28.3 C (-18.9 F)
1910
-27.2 C (-17.0 F)
1911
-25.6 C (-14.1 F)
1912
-30.0 C (-22.0 F)
1913
-23.9 C (-11.0 F)
1914
-32.8 C (-27.0 F)
1915
-28.3 C (-18.9 F)
1916
-28.9 C (-20.0 F)
1917
-34.4 C (-29.9 F)
1918
-31.7 C (-25.1 F)
1919
-26.7 C (-16.1 F)
1920
-35.6 C (-32.1 F)
1921
-26.1 C (-15.0 F)
1922
-31.7 C (-25.1 F)
1923
-31.1 C (-24.0 F)
1924
-30.6 C (-23.1 F)
1925
-34.4 C (-29.9 F)
1926
-26.7 C (-16.1 F)
1927
-27.2 C (-17.0 F)
1928
-23.9 C (-11.0 F)
1929
-25.6 C (-14.1 F)
1930
-30.6 C (-23.1 F)
1931
-29.4 C (-20.9 F)
1932
-22.2 C (-8.0 F)
Wettest day (Rx1day)
The wettest day of the year at Harkness, 1902 to 1932. The record is 133.4 mm (5.3 in) in 1932, marked on the chart; the median year is 43.2 mm (1.7 in).
Wettest day (Rx1day) at Harkness by year
Year
Wettest day (Rx1day)
1902
32.3 mm (1.3 in)
1903
73.2 mm (2.9 in)
1904
70.6 mm (2.8 in)
1905
70.6 mm (2.8 in)
1906
29.0 mm (1.1 in)
1907
60.7 mm (2.4 in)
1908
27.4 mm (1.1 in)
1909
38.6 mm (1.5 in)
1910
34.5 mm (1.4 in)
1911
25.7 mm (1.0 in)
1912
35.1 mm (1.4 in)
1913
48.0 mm (1.9 in)
1914
27.4 mm (1.1 in)
1915
39.1 mm (1.5 in)
1916
47.5 mm (1.9 in)
1917
47.0 mm (1.9 in)
1918
49.5 mm (1.9 in)
1919
31.0 mm (1.2 in)
1920
68.6 mm (2.7 in)
1921
26.4 mm (1.0 in)
1922
37.3 mm (1.5 in)
1923
43.9 mm (1.7 in)
1924
58.4 mm (2.3 in)
1925
50.8 mm (2.0 in)
1926
65.5 mm (2.6 in)
1927
43.2 mm (1.7 in)
1928
42.2 mm (1.7 in)
1929
46.5 mm (1.8 in)
1930
27.4 mm (1.1 in)
1931
38.6 mm (1.5 in)
1932
133.4 mm (5.3 in)
Wettest five days (Rx5day)
The wettest five days of the year at Harkness, 1902 to 1932. The record is 148.4 mm (5.8 in) in 1932, marked on the chart; the median year is 67.4 mm (2.7 in).
Wettest five days (Rx5day) at Harkness by year
Year
Wettest five days (Rx5day)
1902
60.2 mm (2.4 in)
1903
98.3 mm (3.9 in)
1904
70.6 mm (2.8 in)
1905
107.2 mm (4.2 in)
1906
47.5 mm (1.9 in)
1907
84.5 mm (3.3 in)
1908
46.4 mm (1.8 in)
1909
67.3 mm (2.6 in)
1910
41.1 mm (1.6 in)
1911
34.1 mm (1.3 in)
1912
50.6 mm (2.0 in)
1913
66.8 mm (2.6 in)
1914
40.4 mm (1.6 in)
1915
60.8 mm (2.4 in)
1916
69.1 mm (2.7 in)
1917
88.4 mm (3.5 in)
1918
73.9 mm (2.9 in)
1919
53.0 mm (2.1 in)
1920
92.5 mm (3.6 in)
1921
41.4 mm (1.6 in)
1922
75.6 mm (3.0 in)
1923
66.0 mm (2.6 in)
1924
94.7 mm (3.7 in)
1925
106.6 mm (4.2 in)
1926
65.8 mm (2.6 in)
1927
75.2 mm (3.0 in)
1928
67.4 mm (2.7 in)
1929
102.1 mm (4.0 in)
1930
48.2 mm (1.9 in)
1931
85.0 mm (3.3 in)
1932
148.4 mm (5.8 in)
Longest dry spell (CDD)
The longest dry spell of the year at Harkness, 1902 to 1932. The record is 52 days in 1903, marked on the chart; the median year is 18 days.
Longest dry spell (CDD) at Harkness by year
Year
Longest dry spell (CDD)
1902
9 days
1903
52 days
1904
14 days
1905
21 days
1906
11 days
1907
13 days
1908
22 days
1909
13 days
1910
23 days
1911
19 days
1912
22 days
1913
18 days
1914
16 days
1915
26 days
1916
25 days
1917
21 days
1918
17 days
1919
35 days
1920
14 days
1921
25 days
1922
15 days
1923
17 days
1924
37 days
1925
18 days
1926
12 days
1927
28 days
1928
13 days
1929
18 days
1930
13 days
1931
15 days
1932
22 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.
Frost Dates and Growing Season
29 years with a frost
Across 29 years with a frost, the median last spring frost at Harkness falls on 11 May and the median first autumn frost on 3 October, which leaves a median of 144 days between them.
Fitted over all years, the growing season changes by +2.8 days per decade at this station.
Frost dates and growing season at Harkness
Measure
Median, all years
Earliest period
Recent period (1903 to 1931)
Recent against earliest
Fitted trend
Last spring frost
11 May
n/a
11 May
n/a
-1.2 days per decade
First autumn frost
3 October
n/a
3 October
n/a
+1.6 days per decade
Growing days
144 days
n/a
144 days
n/a
+2.8 days per decade
A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.
Download the Data
Data for Harkness standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Harkness 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 2026-10-15 (15 October 2026). Records are computed by this site and are not official.