Built 2026-10-17 (17 October 2026)

Macedon Lock E30 Weather Records (USC00304952)

Record envelope, standing records and threshold days for Macedon Lock E30 (USC00304952), New York, United States, with 109 years of record.

Key Facts for Macedon Lock E30

  • Macedon Lock E30 (USC00304952) is a weather station in New York, United States at 43.07 latitude and -77.30 longitude, 142 m (466 ft) above sea level.
  • The station reports from 1918 to 2026, 109 years of record.
  • 1,460 records set at Macedon Lock E30 still stand.
  • Records are tracked for prcp, snow, snwd: an element needs 30 years of data to be eligible.
  • Macedon Lock E30 set a daily record precipitation of 38.1 mm (1.5 in) on 24 May 2026.

About the Station

  • Location: New York, United States, 43.07 latitude, -77.30 longitude.
  • Elevation: 142 m (466 ft).
  • Period of record: 1918 to 2026, 109 years.
  • Eligible elements: prcp, snow, snwd.

Daily Record Envelope and 2026

75 days at or beyond a record
Daily record high and record low at Macedon Lock E30, with 2026 drawn through them The band shows the record high and record low for each calendar day at Macedon Lock E30. The lines show the 2026 daily maximum and minimum. 75 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -40-2002040 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Macedon Lock E30. The lines show the 2026 daily maximum and minimum. 75 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Macedon Lock E30, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan17.2 C (63.0 F)-18.3 C (-0.9 F)2.2 C (36.0 F)-18.3 C (-0.9 F)
Feb20.0 C (68.0 F)-23.3 C (-9.9 F)10.6 C (51.1 F)-23.3 C (-9.9 F)
Mar22.8 C (73.0 F)-15.6 C (3.9 F)10.6 C (51.1 F)-12.8 C (9.0 F)
Apr30.0 C (86.0 F)-5.0 C (23.0 F)25.0 C (77.0 F)-3.9 C (25.0 F)
May31.1 C (88.0 F)-1.7 C (28.9 F)30.6 C (87.1 F)0.0 C (32.0 F)
Jun33.3 C (91.9 F)6.1 C (43.0 F)32.8 C (91.0 F)6.1 C (43.0 F)
Jul33.9 C (93.0 F)8.3 C (46.9 F)33.9 C (93.0 F)10.0 C (50.0 F)
Aug33.9 C (93.0 F)7.8 C (46.0 F)30.6 C (87.1 F)8.9 C (48.0 F)
Sep32.2 C (90.0 F)1.7 C (35.1 F)27.8 C (82.0 F)5.6 C (42.1 F)
Oct30.0 C (86.0 F)-3.9 C (25.0 F)n/an/a
Nov27.2 C (81.0 F)-7.2 C (19.0 F)n/an/a
Dec18.9 C (66.0 F)-20.0 C (-4.0 F)n/an/a

Which Years Hold Standing Records

1,460 standing records
Standing records at Macedon Lock E30 by the year they were set 1,460 records at Macedon Lock E30 still stand. 2022 holds the most, with 405. 02004006001972: 212021: 1392022: 4052023: 3332024: 2632025: 1702026: 1291972202120222023202420252026
1,460 records at Macedon Lock E30 still stand. 2022 holds the most, with 405.
Standing records at Macedon Lock E30 by the year they were set
Year setStanding records
197221
2021139
2022405
2023333
2024263
2025170
2026129

Wettest Day of Each Month

Aug: 102.9 mm (4.1 in)
Record daily precipitation for each month at Macedon Lock E30 The wettest day on record for each calendar month at Macedon Lock E30. The most was 102.9 mm (4.1 in) on 11 August 1938. 050100150 Jan: 67.6 mm (2.7 in), 8 January 1998 Jan Feb: 46.7 mm (1.8 in), 20 February 1940 Feb Mar: 50.0 mm (2.0 in), 9 March 2009 Mar Apr: 53.8 mm (2.1 in), 4 April 2005 Apr May: 74.9 mm (2.9 in), 17 May 1974 May Jun: 69.3 mm (2.7 in), 15 June 1960 Jun Jul: 97.8 mm (3.9 in), 13 July 2006 Jul Aug: 102.9 mm (4.1 in), 11 August 1938 Aug Sep: 68.6 mm (2.7 in), 26 September 1975 Sep Oct: 78.7 mm (3.1 in), 21 October 1995 Oct Nov: 56.9 mm (2.2 in), 30 November 1963 Nov Dec: 38.1 mm (1.5 in), 12 December 1944 Dec
The wettest day on record for each calendar month at Macedon Lock E30. The most was 102.9 mm (4.1 in) on 11 August 1938.
Record daily precipitation for each month at Macedon Lock E30
MonthRecord daily precipitation (mm)Date
Jan67.6 mm (2.7 in)8 January 1998
Feb46.7 mm (1.8 in)20 February 1940
Mar50.0 mm (2.0 in)9 March 2009
Apr53.8 mm (2.1 in)4 April 2005
May74.9 mm (2.9 in)17 May 1974
Jun69.3 mm (2.7 in)15 June 1960
Jul97.8 mm (3.9 in)13 July 2006
Aug102.9 mm (4.1 in)11 August 1938
Sep68.6 mm (2.7 in)26 September 1975
Oct78.7 mm (3.1 in)21 October 1995
Nov56.9 mm (2.2 in)30 November 1963
Dec38.1 mm (1.5 in)12 December 1944

Period of Record Coverage

1972 to 2026
Days with data per year at Macedon Lock E30 7 years of record at Macedon Lock E30, 1972 to 2026. 5 years have data for under 90 percent of days and are left out of rankings: 1972, 2021, 2024, 2025, 2026. 1972: 28 of 366 days2021: 139 of 365 days2022: 364 of 365 days2023: 363 of 365 days2024: 297 of 366 days2025: 241 of 365 days2026: 205 of 365 days2025
7 years of record at Macedon Lock E30, 1972 to 2026. 5 years have data for under 90 percent of days and are left out of rankings: 1972, 2021, 2024, 2025, 2026.
Days with data per year at Macedon Lock E30
YearDays with dataShare of yearComplete
1972288%No
202113938%No
2022364100%Yes
202336399%Yes
202429781%No
202524166%No
202620556%No

Latest Records

20
Latest records at Macedon Lock E30
DateStationRecordValueBeat old record byOld record stoodSignificance
24 May 2026Macedon Lock E30, USdaily rain38.1 mm (1.5 in)2.8 mm (0.11 in)21 years19 of 100 (Routine)
6 May 2026Macedon Lock E30, USdaily rain34.3 mm (1.4 in)11.9 mm (0.5 in)16 years29 of 100 (Routine)
19 June 2025Macedon Lock E30, USdaily rain27.4 mm (1.1 in)4.8 mm (0.19 in)91 years41 of 100 (Notable)
7 September 2024Macedon Lock E30, USdaily rain36.1 mm (1.4 in)8.7 mm (0.34 in)68 years39 of 100 (Notable)
16 August 2023Macedon Lock E30, USdaily rain30.0 mm (1.2 in)2.1 mm (0.08 in)22 years18 of 100 (Routine)
2 July 2023Macedon Lock E30, USdaily rain34.8 mm (1.4 in)8.4 mm (0.33 in)90 years45 of 100 (Notable)
13 June 2023Macedon Lock E30, USdaily rain36.8 mm (1.4 in)3.5 mm (0.14 in)8 years15 of 100 (Routine)
23 April 2023Macedon Lock E30, USdaily rain21.6 mm (0.9 in)0.8 mm (0.03 in)29 years19 of 100 (Routine)
15 March 2023Macedon Lock E30, USdaily snow depth7.6 cm (3.0 in)7.6 cm (3.0 in)69 years20 of 100 (Routine)
12 March 2023Macedon Lock E30, USdaily snow depth5.1 cm (2.0 in)2.6 cm (1.0 in)60 years20 of 100 (Routine)
1 March 2023Macedon Lock E30, USdaily snow depth (Tie)5.1 cm (2.0 in)tie0 years1 of 100 (Routine)
28 February 2023Macedon Lock E30, USdaily snow depth (Tie)5.1 cm (2.0 in)tie0 years1 of 100 (Routine)
23 February 2023Macedon Lock E30, USdaily rain24.1 mm (0.9 in)4.3 mm (0.17 in)72 years20 of 100 (Routine)
10 February 2023Macedon Lock E30, USdaily rain (Tie)22.1 mm (0.9 in)tie64 years7 of 100 (Routine)
5 January 2023Macedon Lock E30, USdaily rain17.3 mm (0.7 in)0.3 mm (0.01 in)24 years17 of 100 (Routine)
23 December 2022Macedon Lock E30, USdaily rain17.8 mm (0.7 in)3.1 mm (0.12 in)24 years20 of 100 (Routine)
16 November 2022Macedon Lock E30, USdaily snowfall1.3 cm (0.5 in)1.3 cm (0.5 in)76 years20 of 100 (Routine)
12 November 2022Macedon Lock E30, USdaily rain34.3 mm (1.4 in)22.1 mm (0.9 in)52 years55 of 100 (Notable)
30 March 2022Macedon Lock E30, USdaily snow depth5.1 cm (2.0 in)2.6 cm (1.0 in)56 years20 of 100 (Routine)
29 March 2022Macedon Lock E30, USdaily snowfall2.5 cm (1.0 in)1.2 cm (0.5 in)65 years20 of 100 (Routine)

Extremes by Year

1918 to 2026
Yearly extremes at Macedon Lock E30: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)33.9 C (93.0 F)202233.3 C (91.9 F)7
Coldest night (TNn)-23.3 C (-9.9 F)2026-19.4 C (-2.9 F)7
Wettest day (Rx1day)102.9 mm (4.1 in)193845.7 mm (1.8 in)94
Wettest five days (Rx5day)141.5 mm (5.6 in)200669.7 mm (2.7 in)94
Longest dry spell (CDD)33 days193616 days94

Hottest day (TXx)

Hottest day (TXx) at Macedon Lock E30 by year The hottest day of the year at Macedon Lock E30, 1918 to 2026. The record is 33.9 C (93.0 F) in 2022, marked on the chart; the median year is 33.3 C (91.9 F). 1520253035192019401960198020002020Record: 33.9 C (93.0 F) in 2022
The hottest day of the year at Macedon Lock E30, 1918 to 2026. The record is 33.9 C (93.0 F) in 2022, marked on the chart; the median year is 33.3 C (91.9 F).
Hottest day (TXx) at Macedon Lock E30 by year
YearHottest day (TXx)
1918n/a
1919n/a
1920n/a
1921n/a
1922n/a
1923n/a
1924n/a
1932n/a
1933n/a
1934n/a
1935n/a
1936n/a
1937n/a
1938n/a
1939n/a
1940n/a
1941n/a
1942n/a
1943n/a
1944n/a
1945n/a
1946n/a
1947n/a
1948n/a
1949n/a
1950n/a
1951n/a
1952n/a
1953n/a
1954n/a
1955n/a
1956n/a
1957n/a
1958n/a
1959n/a
1960n/a
1961n/a
1962n/a
1963n/a
1964n/a
1965n/a
1966n/a
1967n/a
1968n/a
1969n/a
1970n/a
1971n/a
197216.7 C (62.1 F)
1973n/a
1974n/a
1975n/a
1976n/a
1977n/a
1978n/a
1987n/a
1988n/a
1989n/a
1990n/a
1991n/a
1992n/a
1993n/a
1994n/a
1995n/a
1996n/a
1997n/a
1998n/a
1999n/a
2000n/a
2001n/a
2002n/a
2003n/a
2004n/a
2005n/a
2006n/a
2007n/a
2008n/a
2009n/a
2010n/a
2011n/a
2012n/a
2013n/a
2014n/a
2015n/a
2016n/a
2017n/a
2018n/a
2019n/a
2020n/a
202132.2 C (90.0 F)
202233.9 C (93.0 F)
202332.2 C (90.0 F)
202433.3 C (91.9 F)
202533.9 C (93.0 F)
202633.9 C (93.0 F)

Coldest night (TNn)

Coldest night (TNn) at Macedon Lock E30 by year The coldest night of the year at Macedon Lock E30, 1918 to 2026. The record is -23.3 C (-9.9 F) in 2026, marked on the chart; the median year is -19.4 C (-2.9 F). -25-20-15-10-5192019401960198020002020Record: -23.3 C (-9.9 F) in 2026
The coldest night of the year at Macedon Lock E30, 1918 to 2026. The record is -23.3 C (-9.9 F) in 2026, marked on the chart; the median year is -19.4 C (-2.9 F).
Coldest night (TNn) at Macedon Lock E30 by year
YearColdest night (TNn)
1918n/a
1919n/a
1920n/a
1921n/a
1922n/a
1923n/a
1924n/a
1932n/a
1933n/a
1934n/a
1935n/a
1936n/a
1937n/a
1938n/a
1939n/a
1940n/a
1941n/a
1942n/a
1943n/a
1944n/a
1945n/a
1946n/a
1947n/a
1948n/a
1949n/a
1950n/a
1951n/a
1952n/a
1953n/a
1954n/a
1955n/a
1956n/a
1957n/a
1958n/a
1959n/a
1960n/a
1961n/a
1962n/a
1963n/a
1964n/a
1965n/a
1966n/a
1967n/a
1968n/a
1969n/a
1970n/a
1971n/a
1972-13.3 C (8.1 F)
1973n/a
1974n/a
1975n/a
1976n/a
1977n/a
1978n/a
1987n/a
1988n/a
1989n/a
1990n/a
1991n/a
1992n/a
1993n/a
1994n/a
1995n/a
1996n/a
1997n/a
1998n/a
1999n/a
2000n/a
2001n/a
2002n/a
2003n/a
2004n/a
2005n/a
2006n/a
2007n/a
2008n/a
2009n/a
2010n/a
2011n/a
2012n/a
2013n/a
2014n/a
2015n/a
2016n/a
2017n/a
2018n/a
2019n/a
2020n/a
2021-7.8 C (18.0 F)
2022-17.8 C (0.0 F)
2023-20.6 C (-5.1 F)
2024-20.0 C (-4.0 F)
2025-19.4 C (-2.9 F)
2026-23.3 C (-9.9 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Macedon Lock E30 by year The wettest day of the year at Macedon Lock E30, 1918 to 2026. The record is 102.9 mm (4.1 in) in 1938, marked on the chart; the median year is 45.7 mm (1.8 in). 0255075100125192019401960198020002020Record: 102.9 mm (4.1 in) in 1938
The wettest day of the year at Macedon Lock E30, 1918 to 2026. The record is 102.9 mm (4.1 in) in 1938, marked on the chart; the median year is 45.7 mm (1.8 in).
Wettest day (Rx1day) at Macedon Lock E30 by year
YearWettest day (Rx1day)
191833.0 mm (1.3 in)
191934.8 mm (1.4 in)
192050.8 mm (2.0 in)
192135.6 mm (1.4 in)
192264.8 mm (2.6 in)
192338.1 mm (1.5 in)
192450.3 mm (2.0 in)
193240.6 mm (1.6 in)
193347.0 mm (1.9 in)
193445.7 mm (1.8 in)
193558.4 mm (2.3 in)
193632.3 mm (1.3 in)
193738.9 mm (1.5 in)
1938102.9 mm (4.1 in)
193941.1 mm (1.6 in)
194046.7 mm (1.8 in)
194130.5 mm (1.2 in)
194242.7 mm (1.7 in)
194350.8 mm (2.0 in)
194438.1 mm (1.5 in)
194565.5 mm (2.6 in)
194655.9 mm (2.2 in)
194741.7 mm (1.6 in)
194827.9 mm (1.1 in)
194948.0 mm (1.9 in)
195060.5 mm (2.4 in)
195140.6 mm (1.6 in)
195252.6 mm (2.1 in)
195343.2 mm (1.7 in)
195434.8 mm (1.4 in)
195576.2 mm (3.0 in)
195630.5 mm (1.2 in)
195735.6 mm (1.4 in)
195834.3 mm (1.4 in)
195948.8 mm (1.9 in)
196069.3 mm (2.7 in)
196136.8 mm (1.4 in)
196236.3 mm (1.4 in)
196356.9 mm (2.2 in)
196421.3 mm (0.8 in)
196539.9 mm (1.6 in)
196640.4 mm (1.6 in)
196741.9 mm (1.6 in)
196850.8 mm (2.0 in)
196933.3 mm (1.3 in)
197050.8 mm (2.0 in)
197144.5 mm (1.8 in)
197246.7 mm (1.8 in)
197340.1 mm (1.6 in)
197474.9 mm (2.9 in)
197568.6 mm (2.7 in)
197645.7 mm (1.8 in)
197736.1 mm (1.4 in)
197838.6 mm (1.5 in)
198712.7 mm (0.5 in)
198836.3 mm (1.4 in)
198930.5 mm (1.2 in)
199033.3 mm (1.3 in)
199146.7 mm (1.8 in)
199273.9 mm (2.9 in)
199335.8 mm (1.4 in)
199445.7 mm (1.8 in)
199578.7 mm (3.1 in)
199656.9 mm (2.2 in)
199746.5 mm (1.8 in)
199867.6 mm (2.7 in)
199939.1 mm (1.5 in)
200048.3 mm (1.9 in)
200161.2 mm (2.4 in)
200252.8 mm (2.1 in)
200347.0 mm (1.9 in)
200461.0 mm (2.4 in)
200553.8 mm (2.1 in)
200697.8 mm (3.9 in)
200755.1 mm (2.2 in)
200829.5 mm (1.2 in)
200950.0 mm (2.0 in)
201048.5 mm (1.9 in)
201146.5 mm (1.8 in)
201253.6 mm (2.1 in)
201363.8 mm (2.5 in)
201441.7 mm (1.6 in)
201553.8 mm (2.1 in)
201648.3 mm (1.9 in)
201745.0 mm (1.8 in)
201855.4 mm (2.2 in)
201945.7 mm (1.8 in)
202049.8 mm (2.0 in)
202153.8 mm (2.1 in)
202234.3 mm (1.4 in)
202336.8 mm (1.4 in)
202436.1 mm (1.4 in)
202527.4 mm (1.1 in)
202638.1 mm (1.5 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Macedon Lock E30 by year The wettest five days of the year at Macedon Lock E30, 1918 to 2026. The record is 141.5 mm (5.6 in) in 2006, marked on the chart; the median year is 69.7 mm (2.7 in). 050100150192019401960198020002020Record: 141.5 mm (5.6 in) in 2006
The wettest five days of the year at Macedon Lock E30, 1918 to 2026. The record is 141.5 mm (5.6 in) in 2006, marked on the chart; the median year is 69.7 mm (2.7 in).
Wettest five days (Rx5day) at Macedon Lock E30 by year
YearWettest five days (Rx5day)
191841.1 mm (1.6 in)
191968.3 mm (2.7 in)
192061.0 mm (2.4 in)
192153.4 mm (2.1 in)
192280.3 mm (3.2 in)
192365.8 mm (2.6 in)
192470.6 mm (2.8 in)
193268.3 mm (2.7 in)
193362.0 mm (2.4 in)
193454.6 mm (2.1 in)
193598.5 mm (3.9 in)
193667.3 mm (2.6 in)
1937109.5 mm (4.3 in)
1938110.5 mm (4.4 in)
193955.3 mm (2.2 in)
194057.7 mm (2.3 in)
194155.4 mm (2.2 in)
1942109.5 mm (4.3 in)
1943109.2 mm (4.3 in)
194479.0 mm (3.1 in)
194590.4 mm (3.6 in)
194696.5 mm (3.8 in)
194764.3 mm (2.5 in)
194851.3 mm (2.0 in)
194970.6 mm (2.8 in)
1950106.9 mm (4.2 in)
195173.6 mm (2.9 in)
195266.1 mm (2.6 in)
195373.1 mm (2.9 in)
195457.9 mm (2.3 in)
1955128.7 mm (5.1 in)
195657.7 mm (2.3 in)
195746.6 mm (1.8 in)
195848.8 mm (1.9 in)
195989.5 mm (3.5 in)
196074.9 mm (2.9 in)
196167.8 mm (2.7 in)
196261.2 mm (2.4 in)
196367.1 mm (2.6 in)
196442.7 mm (1.7 in)
196582.5 mm (3.2 in)
196663.0 mm (2.5 in)
196776.5 mm (3.0 in)
196871.1 mm (2.8 in)
196955.2 mm (2.2 in)
1970102.9 mm (4.1 in)
197164.6 mm (2.5 in)
1972105.9 mm (4.2 in)
197348.9 mm (1.9 in)
197477.9 mm (3.1 in)
197573.9 mm (2.9 in)
1976107.2 mm (4.2 in)
197760.3 mm (2.4 in)
197864.0 mm (2.5 in)
198727.6 mm (1.1 in)
198860.7 mm (2.4 in)
198947.3 mm (1.9 in)
199072.4 mm (2.9 in)
199150.0 mm (2.0 in)
1992117.8 mm (4.6 in)
199337.7 mm (1.5 in)
199474.4 mm (2.9 in)
199587.6 mm (3.4 in)
199697.5 mm (3.8 in)
199766.3 mm (2.6 in)
1998127.6 mm (5.0 in)
199948.6 mm (1.9 in)
2000104.3 mm (4.1 in)
200173.9 mm (2.9 in)
200270.0 mm (2.8 in)
200372.2 mm (2.8 in)
200490.5 mm (3.6 in)
200573.6 mm (2.9 in)
2006141.5 mm (5.6 in)
200755.1 mm (2.2 in)
200869.4 mm (2.7 in)
200980.5 mm (3.2 in)
201066.7 mm (2.6 in)
201170.1 mm (2.8 in)
201262.9 mm (2.5 in)
201386.1 mm (3.4 in)
201476.2 mm (3.0 in)
201599.3 mm (3.9 in)
201697.0 mm (3.8 in)
201772.8 mm (2.9 in)
201882.3 mm (3.2 in)
201967.5 mm (2.7 in)
202055.7 mm (2.2 in)
202187.4 mm (3.4 in)
202234.3 mm (1.4 in)
202359.9 mm (2.4 in)
202450.8 mm (2.0 in)
202535.6 mm (1.4 in)
202650.8 mm (2.0 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Macedon Lock E30 by year The longest dry spell of the year at Macedon Lock E30, 1918 to 2026. The record is 33 days in 1936, marked on the chart; the median year is 16 days. 010203040192019401960198020002020Record: 33 days in 1936
The longest dry spell of the year at Macedon Lock E30, 1918 to 2026. The record is 33 days in 1936, marked on the chart; the median year is 16 days.
Longest dry spell (CDD) at Macedon Lock E30 by year
YearLongest dry spell (CDD)
191817 days
191913 days
192012 days
192115 days
192218 days
192316 days
192415 days
193217 days
193318 days
193413 days
193517 days
193633 days
193717 days
193813 days
193922 days
194012 days
194113 days
194212 days
194319 days
194416 days
194516 days
194621 days
194714 days
194819 days
194918 days
195015 days
195115 days
195216 days
195315 days
195414 days
195523 days
195615 days
195721 days
195811 days
195916 days
196016 days
196115 days
196214 days
196323 days
196412 days
196521 days
196631 days
196722 days
196817 days
196928 days
197016 days
197119 days
197214 days
197317 days
197414 days
197518 days
197614 days
197716 days
197817 days
19877 days
198821 days
198916 days
199019 days
199117 days
199215 days
199327 days
199427 days
199523 days
199613 days
199718 days
199828 days
199922 days
200025 days
200126 days
200217 days
200313 days
200423 days
200517 days
200620 days
200713 days
200813 days
200915 days
201013 days
201119 days
201219 days
201311 days
20149 days
201519 days
201613 days
201720 days
201811 days
201914 days
202014 days
202112 days
202213 days
202322 days
202423 days
202516 days
202628 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.

Rainfall Return Levels

60 years, 1919 to 2023

A day with at least 45.4 mm (1.8 in) of rain is expected about once in 2 years. A day with at least 101.4 mm (4.0 in) of rain is expected about once in 100 years.

Rainfall return levels at Macedon Lock E30: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years45.4 mm (1.8 in)
5 years59.0 mm (2.3 in)
10 years68.6 mm (2.7 in)
25 years81.3 mm (3.2 in)
50 years91.2 mm (3.6 in)
100 years101.4 mm (4.0 in)Longer than the 60 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, 60 years of values from 1919 to 2023.

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: 102.9 mm (4.1 in) in 1938; 97.8 mm (3.9 in) in 2006; 78.7 mm (3.1 in) in 1995.

Download the Data

  • Data for Macedon Lock E30 standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Macedon Lock E30 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.

Data as of . Last revised (2026-10-12).