Record envelope, standing records and threshold days for Allegany Sp (USC00300093), New York, United States, with 103 years of record.
Key Facts for Allegany Sp
Allegany Sp (USC00300093) is a weather station in New York, United States at 42.10 latitude and -78.75 longitude, 457 m (1,500 ft) above sea level.
The station reports from 1924 to 2026, 103 years of record.
1,464 records set at Allegany Sp still stand.
Records are tracked for tmax, tmin, prcp, snow, snwd: an element needs 30 years of data to be eligible.
Allegany Sp tied a daily record high minimum temperature of 19.4 C (66.9 F) on 16 July 2026.
About the Station
Location: New York, United States, 42.10 latitude, -78.75 longitude.
Elevation: 457 m (1,500 ft).
Period of record: 1924 to 2026, 103 years.
Eligible elements: tmax, tmin, prcp, snow, snwd.
Daily Record Envelope and 2026
3 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 Allegany Sp. The lines show the 2026 daily maximum and minimum. 3 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Allegany Sp, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
22.2 C (72.0 F)
-32.8 C (-27.0 F)
8.9 C (48.0 F)
-23.3 C (-9.9 F)
Feb
22.2 C (72.0 F)
-37.2 C (-35.0 F)
10.0 C (50.0 F)
-27.8 C (-18.0 F)
Mar
27.8 C (82.0 F)
-27.8 C (-18.0 F)
23.3 C (73.9 F)
-13.3 C (8.1 F)
Apr
31.7 C (89.1 F)
-13.9 C (7.0 F)
26.1 C (79.0 F)
-9.4 C (15.1 F)
May
32.2 C (90.0 F)
-7.8 C (18.0 F)
31.1 C (88.0 F)
-2.2 C (28.0 F)
Jun
34.4 C (93.9 F)
-4.4 C (24.1 F)
30.6 C (87.1 F)
4.4 C (39.9 F)
Jul
38.3 C (100.9 F)
-3.9 C (25.0 F)
32.8 C (91.0 F)
6.1 C (43.0 F)
Aug
36.1 C (97.0 F)
-2.2 C (28.0 F)
28.9 C (84.0 F)
6.7 C (44.1 F)
Sep
36.1 C (97.0 F)
-6.7 C (19.9 F)
28.9 C (84.0 F)
1.7 C (35.1 F)
Oct
32.2 C (90.0 F)
-11.1 C (12.0 F)
21.1 C (70.0 F)
-0.6 C (30.9 F)
Nov
27.2 C (81.0 F)
-20.0 C (-4.0 F)
n/a
n/a
Dec
21.1 C (70.0 F)
-30.0 C (-22.0 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Allegany Sp still stand. 1926 holds the most, with 41.
Standing records at Allegany Sp by the year they were set
Year set
Standing records
1924
12
1925
32
1926
41
1927
35
1928
23
1929
36
1930
32
1931
24
1932
17
1933
22
1934
34
1935
17
1936
35
1937
15
1938
18
1939
12
1940
21
1941
17
1942
14
1943
14
1944
13
1945
27
1946
15
1947
20
1948
15
1949
29
1950
22
1951
20
1952
14
1953
11
1954
14
1955
10
1956
10
1957
14
1958
9
1959
13
1960
9
1961
9
1962
9
1963
17
1964
9
1965
9
1966
11
1967
14
1968
20
1969
6
1970
12
1971
9
1972
10
1973
10
1974
11
1975
7
1976
30
1977
14
1978
7
1979
21
1980
14
1981
7
1982
14
1983
8
1984
17
1985
12
1986
9
1987
5
1988
22
1989
8
1990
16
1991
20
1992
8
1993
14
1994
4
1995
13
1996
17
1997
11
1998
11
1999
11
2000
10
2001
10
2002
3
2003
3
2004
10
2005
1
2006
8
2007
6
2008
7
2009
9
2010
7
2011
3
2012
12
2013
10
2014
13
2015
23
2016
13
2017
14
2018
19
2019
9
2020
10
2021
13
2022
9
2023
5
2024
8
2025
7
2026
10
All-Time Record Progression
8 new records
8 all-time records were set at Allegany Sp between 31 December 1962 and 9 December 2010. Each dot is a new record.
When Allegany Sp set new all-time records
Date
Kind
Detail
1962-12-31
Record low maximum temperature
Record low maximum temperature -16.1 C (3.0 F)
1971-02-02
Record low maximum temperature
Record low maximum temperature -17.2 C (1.0 F)
1977-01-18
Record low maximum temperature
Record low maximum temperature -19.4 C (-2.9 F)
1984-06-18
Record daily precipitation
Record daily precipitation 101.6 mm (4.0 in)
2010-12-06
Record snow depth
Record snow depth 78.7 cm (31.0 in)
2010-12-07
Record snow depth
Record snow depth 83.8 cm (33.0 in)
2010-12-08
Record snow depth
Record snow depth 94.0 cm (37.0 in)
2010-12-09
Record snow depth
Record snow depth 96.5 cm (38.0 in)
Wettest Day of Each Month
Jun: 101.6 mm (4.0 in)
The wettest day on record for each calendar month at Allegany Sp. The most was 101.6 mm (4.0 in) on 18 June 1984.
Record daily precipitation for each month at Allegany Sp
Month
Record daily precipitation (mm)
Date
Jan
52.8 mm (2.1 in)
28 January 2009
Feb
41.7 mm (1.6 in)
6 February 2008
Mar
77.5 mm (3.1 in)
17 March 1936
Apr
54.6 mm (2.1 in)
17 April 1999
May
66.0 mm (2.6 in)
11 May 1979
Jun
101.6 mm (4.0 in)
18 June 1984
Jul
99.6 mm (3.9 in)
18 July 1942
Aug
85.9 mm (3.4 in)
31 August 2005
Sep
95.3 mm (3.8 in)
9 September 2004
Oct
64.8 mm (2.6 in)
26 October 1980
Nov
86.9 mm (3.4 in)
17 November 1927
Dec
76.2 mm (3.0 in)
1 December 2010
Period of Record Coverage
1924 to 2026
Complete yearUnder 90 percent of days
103 years of record at Allegany Sp, 1924 to 2026. 11 years have data for under 90 percent of days and are left out of rankings: 1924, 1958, 1977, 1988, 2001, 2002, 2005, 2007 and others.
Cooler than the station meanWarmer than the station mean
One stripe for each of 87 complete years at Allegany Sp, 1925 to 2025. Blue stripes are years cooler than the station's own mean of 7.5 C (45.5 F); red stripes are warmer. The coolest year was 2014, at 5.9 C (42.7 F), and the warmest was 1949, at 9.2 C (48.5 F). The strongest colour marks a difference of 1.7 C (3.1 F).
Annual mean temperature at Allegany Sp as warming stripes, 1925 to 2025
Year
Annual mean temperature
Difference from the station mean
1925
6.9 C
-0.58 C
1926
6.1 C
-1.40 C
1927
7.4 C
-0.11 C
1928
7.2 C
-0.30 C
1929
7.1 C
-0.44 C
1930
7.4 C
-0.15 C
1931
9.1 C
+1.57 C
1932
8.2 C
+0.70 C
1933
8.3 C
+0.81 C
1934
7.6 C
+0.08 C
1935
7.3 C
-0.22 C
1936
7.6 C
+0.06 C
1937
7.7 C
+0.22 C
1938
8.4 C
+0.88 C
1939
8.2 C
+0.63 C
1940
6.7 C
-0.86 C
1941
8.3 C
+0.73 C
1942
7.9 C
+0.41 C
1943
7.4 C
-0.13 C
1944
8.2 C
+0.68 C
1945
7.8 C
+0.24 C
1946
8.4 C
+0.90 C
1947
7.7 C
+0.15 C
1948
8.0 C
+0.48 C
1949
9.2 C
+1.64 C
1950
7.5 C
-0.03 C
1951
7.7 C
+0.16 C
1952
8.4 C
+0.84 C
1953
8.9 C
+1.38 C
1954
8.0 C
+0.51 C
1955
8.5 C
+0.98 C
1956
7.8 C
+0.23 C
1959
8.0 C
+0.51 C
1960
7.4 C
-0.09 C
1961
8.2 C
+0.70 C
1962
7.4 C
-0.08 C
1963
7.3 C
-0.26 C
1964
8.2 C
+0.64 C
1965
7.8 C
+0.32 C
1966
7.4 C
-0.14 C
1967
6.6 C
-0.88 C
1968
6.8 C
-0.69 C
1969
6.7 C
-0.81 C
1970
6.8 C
-0.77 C
1971
7.1 C
-0.39 C
1972
6.5 C
-1.02 C
1973
8.0 C
+0.47 C
1974
6.6 C
-0.93 C
1975
7.4 C
-0.16 C
1976
6.0 C
-1.50 C
1978
6.4 C
-1.17 C
1979
7.1 C
-0.43 C
1980
6.6 C
-0.92 C
1981
6.9 C
-0.59 C
1983
7.3 C
-0.23 C
1984
6.8 C
-0.77 C
1985
6.4 C
-1.17 C
1986
6.5 C
-1.04 C
1987
6.0 C
-1.52 C
1989
6.0 C
-1.57 C
1991
8.3 C
+0.73 C
1992
6.5 C
-0.98 C
1993
6.7 C
-0.80 C
1995
7.1 C
-0.45 C
1996
6.5 C
-0.99 C
1997
6.5 C
-1.04 C
1998
8.7 C
+1.19 C
1999
7.7 C
+0.13 C
2000
7.1 C
-0.41 C
2003
6.9 C
-0.62 C
2006
8.1 C
+0.61 C
2010
7.6 C
+0.12 C
2011
7.9 C
+0.33 C
2012
8.4 C
+0.91 C
2013
6.7 C
-0.84 C
2014
5.9 C
-1.58 C
2015
7.5 C
+0.01 C
2016
8.7 C
+1.17 C
2017
8.2 C
+0.70 C
2018
7.9 C
+0.42 C
2019
7.6 C
+0.05 C
2020
8.6 C
+1.11 C
2021
8.9 C
+1.36 C
2022
8.1 C
+0.55 C
2023
8.7 C
+1.15 C
2024
9.0 C
+1.46 C
2025
7.7 C
+0.15 C
The fitted trend in annual mean temperature here over 1925 to 2025 is -0.01 C (-0.07 to 0.05) per decade. The interval includes zero, so the trend is not clearly different from zero. In Fahrenheit: -0.01 F (-0.12 to 0.09) per decade. The slope is a straight line fitted to 87 complete years; the brackets give its 95 percent interval.
Fitted temperature trends per decade at Allegany Sp
Measure
Per decade (C)
Per decade (F)
Period
Complete years
Reading
Annual mean temperature
-0.01 C (-0.07 to 0.05) per decade
-0.01 F (-0.12 to 0.09) per decade
1925 to 2025
87
Not clearly different from zero
Mean daily maximum
-0.1 C (-0.2 to -0.1) per decade
-0.3 F (-0.4 to -0.1) per decade
1925 to 2025
87
Fall
Mean daily minimum
0.1 C (0.1 to 0.2) per decade
0.2 F (0.1 to 0.3) per decade
1925 to 2025
87
Rise
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
1924 to 2026
Yearly extremes at Allegany Sp: 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)
1936
32.2 C (90.0 F)
103
Coldest night (TNn)
-37.2 C (-35.0 F)
1934
-26.1 C (-15.0 F)
103
Wettest day (Rx1day)
101.6 mm (4.0 in)
1984
50.8 mm (2.0 in)
103
Wettest five days (Rx5day)
148.1 mm (5.8 in)
1958
82.4 mm (3.2 in)
103
Longest dry spell (CDD)
35 days
1963
13 days
103
Hottest day (TXx)
The hottest day of the year at Allegany Sp, 1924 to 2026. The record is 38.3 C (100.9 F) in 1936, marked on the chart; the median year is 32.2 C (90.0 F).
Hottest day (TXx) at Allegany Sp by year
Year
Hottest day (TXx)
1924
26.1 C (79.0 F)
1925
33.9 C (93.0 F)
1926
33.9 C (93.0 F)
1927
32.2 C (90.0 F)
1928
32.8 C (91.0 F)
1929
32.2 C (90.0 F)
1930
35.0 C (95.0 F)
1931
36.1 C (97.0 F)
1932
33.9 C (93.0 F)
1933
36.1 C (97.0 F)
1934
35.6 C (96.1 F)
1935
36.1 C (97.0 F)
1936
38.3 C (100.9 F)
1937
33.3 C (91.9 F)
1938
33.3 C (91.9 F)
1939
33.3 C (91.9 F)
1940
33.9 C (93.0 F)
1941
36.7 C (98.1 F)
1942
32.2 C (90.0 F)
1943
33.9 C (93.0 F)
1944
35.0 C (95.0 F)
1945
31.7 C (89.1 F)
1946
32.2 C (90.0 F)
1947
32.2 C (90.0 F)
1948
33.9 C (93.0 F)
1949
33.9 C (93.0 F)
1950
31.7 C (89.1 F)
1951
32.8 C (91.0 F)
1952
34.4 C (93.9 F)
1953
36.1 C (97.0 F)
1954
33.3 C (91.9 F)
1955
33.3 C (91.9 F)
1956
32.2 C (90.0 F)
1957
33.3 C (91.9 F)
1958
31.1 C (88.0 F)
1959
33.9 C (93.0 F)
1960
31.7 C (89.1 F)
1961
32.2 C (90.0 F)
1962
32.2 C (90.0 F)
1963
32.8 C (91.0 F)
1964
32.8 C (91.0 F)
1965
35.0 C (95.0 F)
1966
35.0 C (95.0 F)
1967
32.2 C (90.0 F)
1968
32.2 C (90.0 F)
1969
32.2 C (90.0 F)
1970
29.4 C (84.9 F)
1971
32.8 C (91.0 F)
1972
32.2 C (90.0 F)
1973
32.8 C (91.0 F)
1974
32.2 C (90.0 F)
1975
33.9 C (93.0 F)
1976
30.0 C (86.0 F)
1977
31.7 C (89.1 F)
1978
32.2 C (90.0 F)
1979
31.1 C (88.0 F)
1980
33.3 C (91.9 F)
1981
31.7 C (89.1 F)
1982
31.7 C (89.1 F)
1983
32.2 C (90.0 F)
1984
31.1 C (88.0 F)
1985
29.4 C (84.9 F)
1986
32.2 C (90.0 F)
1987
31.7 C (89.1 F)
1988
36.1 C (97.0 F)
1989
31.1 C (88.0 F)
1990
34.4 C (93.9 F)
1991
33.3 C (91.9 F)
1992
31.7 C (89.1 F)
1993
32.2 C (90.0 F)
1994
32.2 C (90.0 F)
1995
33.3 C (91.9 F)
1996
32.2 C (90.0 F)
1997
30.6 C (87.1 F)
1998
31.7 C (89.1 F)
1999
33.3 C (91.9 F)
2000
30.0 C (86.0 F)
2001
35.0 C (95.0 F)
2002
27.8 C (82.0 F)
2003
30.6 C (87.1 F)
2004
28.3 C (82.9 F)
2005
31.7 C (89.1 F)
2006
32.2 C (90.0 F)
2007
27.8 C (82.0 F)
2008
32.8 C (91.0 F)
2009
30.0 C (86.0 F)
2010
31.1 C (88.0 F)
2011
35.6 C (96.1 F)
2012
32.8 C (91.0 F)
2013
31.7 C (89.1 F)
2014
29.4 C (84.9 F)
2015
31.1 C (88.0 F)
2016
31.1 C (88.0 F)
2017
30.0 C (86.0 F)
2018
32.2 C (90.0 F)
2019
30.6 C (87.1 F)
2020
31.7 C (89.1 F)
2021
32.8 C (91.0 F)
2022
32.2 C (90.0 F)
2023
30.6 C (87.1 F)
2024
32.2 C (90.0 F)
2025
32.8 C (91.0 F)
2026
32.8 C (91.0 F)
Coldest night (TNn)
The coldest night of the year at Allegany Sp, 1924 to 2026. The record is -37.2 C (-35.0 F) in 1934, marked on the chart; the median year is -26.1 C (-15.0 F).
Coldest night (TNn) at Allegany Sp by year
Year
Coldest night (TNn)
1924
-20.0 C (-4.0 F)
1925
-31.7 C (-25.1 F)
1926
-28.3 C (-18.9 F)
1927
-31.1 C (-24.0 F)
1928
-30.0 C (-22.0 F)
1929
-28.3 C (-18.9 F)
1930
-27.8 C (-18.0 F)
1931
-21.1 C (-6.0 F)
1932
-20.0 C (-4.0 F)
1933
-30.0 C (-22.0 F)
1934
-37.2 C (-35.0 F)
1935
-28.3 C (-18.9 F)
1936
-28.3 C (-18.9 F)
1937
-22.2 C (-8.0 F)
1938
-23.9 C (-11.0 F)
1939
-24.4 C (-11.9 F)
1940
-26.7 C (-16.1 F)
1941
-25.0 C (-13.0 F)
1942
-28.3 C (-18.9 F)
1943
-33.9 C (-29.0 F)
1944
-28.9 C (-20.0 F)
1945
-30.6 C (-23.1 F)
1946
-24.4 C (-11.9 F)
1947
-21.1 C (-6.0 F)
1948
-32.8 C (-27.0 F)
1949
-22.2 C (-8.0 F)
1950
-27.8 C (-18.0 F)
1951
-28.3 C (-18.9 F)
1952
-23.9 C (-11.0 F)
1953
-20.6 C (-5.1 F)
1954
-25.0 C (-13.0 F)
1955
-27.8 C (-18.0 F)
1956
-21.7 C (-7.1 F)
1957
-31.7 C (-25.1 F)
1958
-30.0 C (-22.0 F)
1959
-26.1 C (-15.0 F)
1960
-27.2 C (-17.0 F)
1961
-31.7 C (-25.1 F)
1962
-26.1 C (-15.0 F)
1963
-31.1 C (-24.0 F)
1964
-23.9 C (-11.0 F)
1965
-31.1 C (-24.0 F)
1966
-26.1 C (-15.0 F)
1967
-26.7 C (-16.1 F)
1968
-27.8 C (-18.0 F)
1969
-21.1 C (-6.0 F)
1970
-26.1 C (-15.0 F)
1971
-26.1 C (-15.0 F)
1972
-23.3 C (-9.9 F)
1973
-28.9 C (-20.0 F)
1974
-23.3 C (-9.9 F)
1975
-22.2 C (-8.0 F)
1976
-30.0 C (-22.0 F)
1977
-23.3 C (-9.9 F)
1978
-25.6 C (-14.1 F)
1979
-31.7 C (-25.1 F)
1980
-27.2 C (-17.0 F)
1981
-27.2 C (-17.0 F)
1982
-26.1 C (-15.0 F)
1983
-23.3 C (-9.9 F)
1984
-28.9 C (-20.0 F)
1985
-30.0 C (-22.0 F)
1986
-23.9 C (-11.0 F)
1987
-27.8 C (-18.0 F)
1988
-26.7 C (-16.1 F)
1989
-26.1 C (-15.0 F)
1990
-26.1 C (-15.0 F)
1991
-22.8 C (-9.0 F)
1992
-22.8 C (-9.0 F)
1993
-25.6 C (-14.1 F)
1994
-23.9 C (-11.0 F)
1995
-22.2 C (-8.0 F)
1996
-29.4 C (-20.9 F)
1997
-26.1 C (-15.0 F)
1998
-17.2 C (1.0 F)
1999
-24.4 C (-11.9 F)
2000
-22.8 C (-9.0 F)
2001
-15.0 C (5.0 F)
2002
-19.4 C (-2.9 F)
2003
-23.3 C (-9.9 F)
2004
-26.1 C (-15.0 F)
2005
-25.0 C (-13.0 F)
2006
-16.7 C (1.9 F)
2007
-23.3 C (-9.9 F)
2008
-17.2 C (1.0 F)
2009
-29.4 C (-20.9 F)
2010
-24.4 C (-11.9 F)
2011
-27.8 C (-18.0 F)
2012
-21.7 C (-7.1 F)
2013
-22.8 C (-9.0 F)
2014
-27.8 C (-18.0 F)
2015
-30.0 C (-22.0 F)
2016
-20.6 C (-5.1 F)
2017
-22.2 C (-8.0 F)
2018
-22.8 C (-9.0 F)
2019
-23.9 C (-11.0 F)
2020
-22.2 C (-8.0 F)
2021
-16.7 C (1.9 F)
2022
-26.7 C (-16.1 F)
2023
-18.9 C (-2.0 F)
2024
-17.8 C (0.0 F)
2025
-25.6 C (-14.1 F)
2026
-27.8 C (-18.0 F)
Wettest day (Rx1day)
The wettest day of the year at Allegany Sp, 1924 to 2026. The record is 101.6 mm (4.0 in) in 1984, marked on the chart; the median year is 50.8 mm (2.0 in).
Wettest day (Rx1day) at Allegany Sp by year
Year
Wettest day (Rx1day)
1924
54.4 mm (2.1 in)
1925
29.5 mm (1.2 in)
1926
69.9 mm (2.8 in)
1927
86.9 mm (3.4 in)
1928
70.9 mm (2.8 in)
1929
52.1 mm (2.1 in)
1930
34.8 mm (1.4 in)
1931
46.7 mm (1.8 in)
1932
44.2 mm (1.7 in)
1933
69.9 mm (2.8 in)
1934
37.3 mm (1.5 in)
1935
47.0 mm (1.9 in)
1936
77.5 mm (3.1 in)
1937
67.3 mm (2.6 in)
1938
37.8 mm (1.5 in)
1939
30.5 mm (1.2 in)
1940
48.0 mm (1.9 in)
1941
43.7 mm (1.7 in)
1942
99.6 mm (3.9 in)
1943
53.8 mm (2.1 in)
1944
75.4 mm (3.0 in)
1945
54.9 mm (2.2 in)
1946
44.5 mm (1.8 in)
1947
54.1 mm (2.1 in)
1948
76.2 mm (3.0 in)
1949
38.9 mm (1.5 in)
1950
66.8 mm (2.6 in)
1951
53.3 mm (2.1 in)
1952
44.5 mm (1.8 in)
1953
46.5 mm (1.8 in)
1954
39.1 mm (1.5 in)
1955
47.0 mm (1.9 in)
1956
59.2 mm (2.3 in)
1957
38.4 mm (1.5 in)
1958
76.5 mm (3.0 in)
1959
63.5 mm (2.5 in)
1960
33.0 mm (1.3 in)
1961
92.7 mm (3.6 in)
1962
73.9 mm (2.9 in)
1963
29.5 mm (1.2 in)
1964
48.5 mm (1.9 in)
1965
48.0 mm (1.9 in)
1966
93.7 mm (3.7 in)
1967
77.2 mm (3.0 in)
1968
47.0 mm (1.9 in)
1969
52.3 mm (2.1 in)
1970
37.3 mm (1.5 in)
1971
88.9 mm (3.5 in)
1972
82.6 mm (3.3 in)
1973
41.4 mm (1.6 in)
1974
43.2 mm (1.7 in)
1975
34.3 mm (1.4 in)
1976
46.5 mm (1.8 in)
1977
84.8 mm (3.3 in)
1978
33.0 mm (1.3 in)
1979
66.0 mm (2.6 in)
1980
64.8 mm (2.6 in)
1981
49.3 mm (1.9 in)
1982
50.8 mm (2.0 in)
1983
44.2 mm (1.7 in)
1984
101.6 mm (4.0 in)
1985
31.2 mm (1.2 in)
1986
55.9 mm (2.2 in)
1987
43.2 mm (1.7 in)
1988
47.8 mm (1.9 in)
1989
45.7 mm (1.8 in)
1990
58.4 mm (2.3 in)
1991
46.7 mm (1.8 in)
1992
53.8 mm (2.1 in)
1993
39.6 mm (1.6 in)
1994
92.2 mm (3.6 in)
1995
43.4 mm (1.7 in)
1996
40.9 mm (1.6 in)
1997
63.5 mm (2.5 in)
1998
50.3 mm (2.0 in)
1999
54.6 mm (2.1 in)
2000
66.5 mm (2.6 in)
2001
52.1 mm (2.1 in)
2002
52.1 mm (2.1 in)
2003
43.7 mm (1.7 in)
2004
95.3 mm (3.8 in)
2005
85.9 mm (3.4 in)
2006
43.7 mm (1.7 in)
2007
50.8 mm (2.0 in)
2008
41.7 mm (1.6 in)
2009
52.8 mm (2.1 in)
2010
76.2 mm (3.0 in)
2011
45.5 mm (1.8 in)
2012
44.5 mm (1.8 in)
2013
50.8 mm (2.0 in)
2014
53.3 mm (2.1 in)
2015
63.5 mm (2.5 in)
2016
88.4 mm (3.5 in)
2017
50.8 mm (2.0 in)
2018
43.9 mm (1.7 in)
2019
51.1 mm (2.0 in)
2020
45.7 mm (1.8 in)
2021
53.3 mm (2.1 in)
2022
50.8 mm (2.0 in)
2023
30.5 mm (1.2 in)
2024
63.5 mm (2.5 in)
2025
61.7 mm (2.4 in)
2026
47.0 mm (1.9 in)
Wettest five days (Rx5day)
The wettest five days of the year at Allegany Sp, 1924 to 2026. The record is 148.1 mm (5.8 in) in 1958, marked on the chart; the median year is 82.4 mm (3.2 in).
Wettest five days (Rx5day) at Allegany Sp by year
Year
Wettest five days (Rx5day)
1924
76.5 mm (3.0 in)
1925
53.3 mm (2.1 in)
1926
80.3 mm (3.2 in)
1927
130.8 mm (5.1 in)
1928
112.1 mm (4.4 in)
1929
78.2 mm (3.1 in)
1930
73.7 mm (2.9 in)
1931
90.5 mm (3.6 in)
1932
82.8 mm (3.3 in)
1933
73.7 mm (2.9 in)
1934
68.8 mm (2.7 in)
1935
78.5 mm (3.1 in)
1936
116.9 mm (4.6 in)
1937
131.4 mm (5.2 in)
1938
79.2 mm (3.1 in)
1939
62.8 mm (2.5 in)
1940
63.0 mm (2.5 in)
1941
70.4 mm (2.8 in)
1942
124.2 mm (4.9 in)
1943
95.7 mm (3.8 in)
1944
90.3 mm (3.6 in)
1945
95.8 mm (3.8 in)
1946
74.7 mm (2.9 in)
1947
90.9 mm (3.6 in)
1948
101.9 mm (4.0 in)
1949
65.5 mm (2.6 in)
1950
111.2 mm (4.4 in)
1951
82.3 mm (3.2 in)
1952
73.2 mm (2.9 in)
1953
86.9 mm (3.4 in)
1954
92.9 mm (3.7 in)
1955
81.3 mm (3.2 in)
1956
108.0 mm (4.3 in)
1957
84.5 mm (3.3 in)
1958
148.1 mm (5.8 in)
1959
100.8 mm (4.0 in)
1960
68.6 mm (2.7 in)
1961
92.7 mm (3.6 in)
1962
99.1 mm (3.9 in)
1963
76.5 mm (3.0 in)
1964
69.8 mm (2.7 in)
1965
56.1 mm (2.2 in)
1966
109.2 mm (4.3 in)
1967
96.0 mm (3.8 in)
1968
59.4 mm (2.3 in)
1969
64.5 mm (2.5 in)
1970
80.5 mm (3.2 in)
1971
111.5 mm (4.4 in)
1972
137.3 mm (5.4 in)
1973
66.9 mm (2.6 in)
1974
74.4 mm (2.9 in)
1975
76.3 mm (3.0 in)
1976
81.7 mm (3.2 in)
1977
110.2 mm (4.3 in)
1978
59.1 mm (2.3 in)
1979
104.6 mm (4.1 in)
1980
79.7 mm (3.1 in)
1981
67.3 mm (2.6 in)
1982
91.9 mm (3.6 in)
1983
57.2 mm (2.3 in)
1984
141.0 mm (5.6 in)
1985
67.8 mm (2.7 in)
1986
89.2 mm (3.5 in)
1987
87.9 mm (3.5 in)
1988
55.6 mm (2.2 in)
1989
86.0 mm (3.4 in)
1990
82.4 mm (3.2 in)
1991
66.2 mm (2.6 in)
1992
91.6 mm (3.6 in)
1993
61.8 mm (2.4 in)
1994
112.0 mm (4.4 in)
1995
64.8 mm (2.6 in)
1996
92.2 mm (3.6 in)
1997
82.8 mm (3.3 in)
1998
81.3 mm (3.2 in)
1999
72.6 mm (2.9 in)
2000
123.6 mm (4.9 in)
2001
62.0 mm (2.4 in)
2002
111.1 mm (4.4 in)
2003
103.7 mm (4.1 in)
2004
120.0 mm (4.7 in)
2005
112.1 mm (4.4 in)
2006
76.9 mm (3.0 in)
2007
68.6 mm (2.7 in)
2008
56.4 mm (2.2 in)
2009
100.8 mm (4.0 in)
2010
96.5 mm (3.8 in)
2011
72.1 mm (2.8 in)
2012
82.3 mm (3.2 in)
2013
73.4 mm (2.9 in)
2014
97.1 mm (3.8 in)
2015
95.9 mm (3.8 in)
2016
114.9 mm (4.5 in)
2017
90.8 mm (3.6 in)
2018
97.5 mm (3.8 in)
2019
86.7 mm (3.4 in)
2020
76.5 mm (3.0 in)
2021
81.5 mm (3.2 in)
2022
73.7 mm (2.9 in)
2023
43.5 mm (1.7 in)
2024
87.4 mm (3.4 in)
2025
77.5 mm (3.1 in)
2026
86.9 mm (3.4 in)
Longest dry spell (CDD)
The longest dry spell of the year at Allegany Sp, 1924 to 2026. The record is 35 days in 1963, marked on the chart; the median year is 13 days.
Longest dry spell (CDD) at Allegany Sp by year
Year
Longest dry spell (CDD)
1924
13 days
1925
13 days
1926
11 days
1927
13 days
1928
11 days
1929
13 days
1930
23 days
1931
14 days
1932
14 days
1933
11 days
1934
15 days
1935
14 days
1936
22 days
1937
10 days
1938
15 days
1939
17 days
1940
9 days
1941
14 days
1942
17 days
1943
11 days
1944
15 days
1945
11 days
1946
11 days
1947
12 days
1948
10 days
1949
20 days
1950
18 days
1951
14 days
1952
12 days
1953
15 days
1954
14 days
1955
11 days
1956
15 days
1957
14 days
1958
12 days
1959
10 days
1960
21 days
1961
10 days
1962
12 days
1963
35 days
1964
23 days
1965
11 days
1966
20 days
1967
17 days
1968
18 days
1969
12 days
1970
16 days
1971
13 days
1972
9 days
1973
10 days
1974
10 days
1975
12 days
1976
11 days
1977
16 days
1978
16 days
1979
10 days
1980
16 days
1981
14 days
1982
11 days
1983
15 days
1984
11 days
1985
12 days
1986
10 days
1987
21 days
1988
17 days
1989
13 days
1990
9 days
1991
11 days
1992
12 days
1993
10 days
1994
14 days
1995
15 days
1996
11 days
1997
16 days
1998
16 days
1999
15 days
2000
16 days
2001
10 days
2002
11 days
2003
15 days
2004
14 days
2005
12 days
2006
17 days
2007
16 days
2008
14 days
2009
11 days
2010
13 days
2011
14 days
2012
19 days
2013
12 days
2014
11 days
2015
10 days
2016
11 days
2017
14 days
2018
11 days
2019
12 days
2020
14 days
2021
16 days
2022
9 days
2023
21 days
2024
14 days
2025
16 days
2026
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.
Frost Dates and Growing Season
87 years with a frost
Across 87 years with a frost, the median last spring frost at Allegany Sp falls on 26 May and the median first autumn frost on 24 September, which leaves a median of 120 days between them.
In 1986 to 2025 the median growing season was 142 days. That is 38 days more than in 1925 to 1954.
Fitted over all years, the growing season changes by +7.4 days per decade at this station.
Frost dates and growing season at Allegany Sp
Measure
Median, all years
Earliest period (1925 to 1954)
Recent period (1986 to 2025)
Recent against earliest
Fitted trend
Last spring frost
26 May
5 June
17 May
19 days earlier
-2.8 days per decade
First autumn frost
24 September
13 September
3 October
20 days later
+4.6 days per decade
Growing days
120 days
104 days
142 days
38 days more
+7.4 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.
Rainfall Return Levels
97 years, 1925 to 2025
A day with at least 51.4 mm (2.0 in) of rain is expected about once in 2 years. A day with at least 117.5 mm (4.6 in) of rain is expected about once in 100 years.
Rainfall return levels at Allegany Sp: the daily rain expected about once in a given number of years
Expected about once in
A day with at least
Note
2 years
51.4 mm (2.0 in)
5 years
66.9 mm (2.6 in)
10 years
78.0 mm (3.1 in)
25 years
93.1 mm (3.7 in)
50 years
105.0 mm (4.1 in)
100 years
117.5 mm (4.6 in)
Longer than the 97 years of record
The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 97 years of values from 1925 to 2025.
A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.
The largest wettest-day totals in the fit: 101.6 mm (4.0 in) in 1984; 99.6 mm (3.9 in) in 1942; 95.3 mm (3.8 in) in 2004.
Climate Twins
2011 to 2025 against 1961 to 1990
Over 2011 to 2025, Allegany Sp had a mean temperature of 8.0 C (46.4 F) and 1,214.1 mm (47.8 in) of rain a year. The 3 stations whose 1961 to 1990 climate was closest to that are Coventry (United States, 530 km away), Meadville 1 S (United States, 128 km away) and Worcester (United States, 567 km away).
Climate twins of Allegany Sp: stations whose 1961 to 1990 climate is closest to its 2011 to 2025 climate
Twins are stations, not cities. A twin is one of the three stations at least 100 km away whose earlier climate is closest to this station's recent one, so a close match does not mean the two places look alike in other ways. A station move or a gap in a record can change that station's averages. The list describes past climate; it is not a forecast and does not say what caused any change. How twins are found, and a search for any station.
Download the Data
Data for Allegany Sp standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Allegany Sp 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.