Mooringsport 1 N Weather Records (USC00166364)
Record envelope, standing records and threshold days for Mooringsport 1 N (USC00166364), Louisiana, United States, with 52 years of record.
Key Facts for Mooringsport 1 N
- Mooringsport 1 N (USC00166364) is a weather station in Louisiana, United States at 32.71 latitude and -93.96 longitude, 61 m (200 ft) above sea level.
- The station reports from 1975 to 2026, 52 years of record.
- 1,464 records set at Mooringsport 1 N still stand.
- Records are tracked for prcp, snow, snwd: an element needs 30 years of data to be eligible.
- Mooringsport 1 N set a daily record precipitation of 14.5 mm (0.6 in) on 2 October 2026 (provisional).
Provisional Records
Records set in the last 60 days are provisional until they clear the revision window.
About the Station
- Location: Louisiana, United States, 32.71 latitude, -93.96 longitude.
- Elevation: 61 m (200 ft).
- Period of record: 1975 to 2026, 52 years.
- Eligible elements: prcp, snow, snwd.
Daily Record Envelope and 2026
30 days at or beyond a record| Month | Highest record high | Lowest record low | 2026 highest maximum | 2026 lowest minimum |
|---|---|---|---|---|
| Jan | 26.1 C (79.0 F) | -13.3 C (8.1 F) | 23.9 C (75.0 F) | -8.3 C (17.1 F) |
| Feb | 29.4 C (84.9 F) | -16.7 C (1.9 F) | 27.2 C (81.0 F) | -4.4 C (24.1 F) |
| Mar | 31.7 C (89.1 F) | -5.0 C (23.0 F) | 31.7 C (89.1 F) | -1.7 C (28.9 F) |
| Apr | 33.3 C (91.9 F) | -0.6 C (30.9 F) | 29.4 C (84.9 F) | 7.2 C (45.0 F) |
| May | 36.7 C (98.1 F) | 4.4 C (39.9 F) | 32.8 C (91.0 F) | 10.6 C (51.1 F) |
| Jun | 40.6 C (105.1 F) | 14.4 C (57.9 F) | 35.0 C (95.0 F) | 21.1 C (70.0 F) |
| Jul | 42.2 C (108.0 F) | 13.9 C (57.0 F) | 37.2 C (99.0 F) | 21.1 C (70.0 F) |
| Aug | 44.4 C (111.9 F) | 13.9 C (57.0 F) | 40.0 C (104.0 F) | 22.2 C (72.0 F) |
| Sep | 40.0 C (104.0 F) | 8.3 C (46.9 F) | 37.2 C (99.0 F) | 16.1 C (61.0 F) |
| Oct | 35.6 C (96.1 F) | -0.6 C (30.9 F) | 33.3 C (91.9 F) | 15.0 C (59.0 F) |
| Nov | 29.4 C (84.9 F) | -6.1 C (21.0 F) | n/a | n/a |
| Dec | 27.8 C (82.0 F) | -12.8 C (9.0 F) | n/a | n/a |
Which Years Hold Standing Records
1,464 standing records| Year set | Standing records |
|---|---|
| 2003 | 63 |
| 2004 | 58 |
| 2005 | 45 |
| 2006 | 77 |
| 2007 | 43 |
| 2008 | 63 |
| 2009 | 58 |
| 2010 | 87 |
| 2011 | 157 |
| 2012 | 78 |
| 2013 | 64 |
| 2014 | 69 |
| 2015 | 40 |
| 2016 | 39 |
| 2017 | 61 |
| 2018 | 57 |
| 2019 | 55 |
| 2020 | 29 |
| 2021 | 56 |
| 2022 | 68 |
| 2023 | 48 |
| 2024 | 50 |
| 2025 | 48 |
| 2026 | 51 |
All-Time Record Progression
2 new records| Date | Kind | Detail |
|---|---|---|
| 2016-03-09 | Record daily precipitation | Record daily precipitation 206.2 mm (8.1 in) |
| 2021-02-15 | Record daily snowfall | Record daily snowfall 16.5 cm (6.5 in) |
Wettest Day of Each Month
Mar: 206.2 mm (8.1 in)| Month | Record daily precipitation (mm) | Date |
|---|---|---|
| Jan | 105.4 mm (4.1 in) | 24 January 2024 |
| Feb | 99.8 mm (3.9 in) | 7 February 2018 |
| Mar | 206.2 mm (8.1 in) | 9 March 2016 |
| Apr | 177.3 mm (7.0 in) | 30 April 2016 |
| May | 120.7 mm (4.8 in) | 9 May 2019 |
| Jun | 119.4 mm (4.7 in) | 27 June 1986 |
| Jul | 95.8 mm (3.8 in) | 18 July 2014 |
| Aug | 123.7 mm (4.9 in) | 12 August 2003 |
| Sep | 170.7 mm (6.7 in) | 25 September 2004 |
| Oct | 117.6 mm (4.6 in) | 31 October 2013 |
| Nov | 151.6 mm (6.0 in) | 16 November 1987 |
| Dec | 115.8 mm (4.6 in) | 19 December 2002 |
Period of Record Coverage
2003 to 2026| Year | Days with data | Share of year | Complete |
|---|---|---|---|
| 2003 | 360 | 99% | Yes |
| 2004 | 363 | 99% | Yes |
| 2005 | 303 | 83% | No |
| 2006 | 354 | 97% | Yes |
| 2007 | 358 | 98% | Yes |
| 2008 | 362 | 99% | Yes |
| 2009 | 363 | 99% | Yes |
| 2010 | 356 | 98% | Yes |
| 2011 | 359 | 98% | Yes |
| 2012 | 351 | 96% | Yes |
| 2013 | 359 | 98% | Yes |
| 2014 | 350 | 96% | Yes |
| 2015 | 361 | 99% | Yes |
| 2016 | 360 | 98% | Yes |
| 2017 | 362 | 99% | Yes |
| 2018 | 356 | 98% | Yes |
| 2019 | 355 | 97% | Yes |
| 2020 | 364 | 99% | Yes |
| 2021 | 364 | 100% | Yes |
| 2022 | 332 | 91% | Yes |
| 2023 | 353 | 97% | Yes |
| 2024 | 354 | 97% | Yes |
| 2025 | 346 | 95% | Yes |
| 2026 | 269 | 74% | No |
Latest Records
20| Date | Station | Record | Value | Beat old record by | Old record stood | Significance |
|---|---|---|---|---|---|---|
| 2 October 2026 | Mooringsport 1 N, US | daily rain (Provisional) | 14.5 mm (0.6 in) | 5.6 mm (0.22 in) | 4 years | 8 of 100 (Routine) |
| 16 June 2026 | Mooringsport 1 N, US | daily rain (Tie) | 69.3 mm (2.7 in) | tie | 19 years | 2 of 100 (Routine) |
| 29 January 2026 | Mooringsport 1 N, US | daily snow depth | 2.5 cm (1.0 in) | 2.5 cm (1.0 in) | 50 years | 20 of 100 (Routine) |
| 28 January 2026 | Mooringsport 1 N, US | daily snow depth | 2.5 cm (1.0 in) | 2.5 cm (1.0 in) | 50 years | 20 of 100 (Routine) |
| 27 January 2026 | Mooringsport 1 N, US | daily snow depth | 5.1 cm (2.0 in) | 5.1 cm (2.0 in) | 50 years | 20 of 100 (Routine) |
| 27 January 2026 | Mooringsport 1 N, US | daily snowfall | 2.0 cm (0.8 in) | 2.0 cm (0.8 in) | 50 years | 20 of 100 (Routine) |
| 26 January 2026 | Mooringsport 1 N, US | daily snowfall | 2.5 cm (1.0 in) | 2.5 cm (1.0 in) | 50 years | 20 of 100 (Routine) |
| 26 January 2026 | Mooringsport 1 N, US | daily snow depth | 2.5 cm (1.0 in) | 2.5 cm (1.0 in) | 50 years | 20 of 100 (Routine) |
| 25 January 2026 | Mooringsport 1 N, US | daily snowfall | 1.0 cm (0.4 in) | 1.0 cm (0.4 in) | 50 years | 20 of 100 (Routine) |
| 24 January 2026 | Mooringsport 1 N, US | daily snowfall | 0.3 cm (0.1 in) | 0.3 cm (0.1 in) | 50 years | 20 of 100 (Routine) |
| 29 August 2025 | Mooringsport 1 N, US | daily rain | 82.6 mm (3.3 in) | 23.9 mm (0.9 in) | 47 years | 35 of 100 (Notable) |
| 14 July 2025 | Mooringsport 1 N, US | daily rain | 38.1 mm (1.5 in) | 2.3 mm (0.09 in) | 18 years | 11 of 100 (Routine) |
| 12 June 2025 | Mooringsport 1 N, US | daily rain | 29.0 mm (1.1 in) | 0.3 mm (0.01 in) | 43 years | 17 of 100 (Routine) |
| 1 May 2025 | Mooringsport 1 N, US | daily rain | 83.8 mm (3.3 in) | 36.0 mm (1.4 in) | 44 years | 40 of 100 (Notable) |
| 6 April 2025 | Mooringsport 1 N, US | daily rain | 71.1 mm (2.8 in) | 3.8 mm (0.15 in) | 2 years | 6 of 100 (Routine) |
| 29 December 2024 | Mooringsport 1 N, US | daily rain | 55.9 mm (2.2 in) | 13.0 mm (0.5 in) | 49 years | 26 of 100 (Routine) |
| 9 July 2024 | Mooringsport 1 N, US | daily rain | 73.7 mm (2.9 in) | 56.9 mm (2.2 in) | 42 years | 51 of 100 (Notable) |
| 4 June 2024 | Mooringsport 1 N, US | daily rain | 55.9 mm (2.2 in) | 15.3 mm (0.6 in) | 1 year | 13 of 100 (Routine) |
| 3 June 2024 | Mooringsport 1 N, US | daily rain | 43.2 mm (1.7 in) | 2.1 mm (0.08 in) | 45 years | 19 of 100 (Routine) |
| 31 May 2024 | Mooringsport 1 N, US | daily rain | 63.5 mm (2.5 in) | 33.0 mm (1.3 in) | 25 years | 32 of 100 (Routine) |
Climate Trend
21 complete years, 2003 to 2025| Year | Annual mean temperature | Difference from the station mean |
|---|---|---|
| 2003 | 18.3 C | -0.33 C |
| 2004 | 18.7 C | +0.01 C |
| 2006 | 19.1 C | +0.47 C |
| 2007 | 18.5 C | -0.13 C |
| 2008 | 18.2 C | -0.43 C |
| 2009 | 18.1 C | -0.52 C |
| 2010 | 18.6 C | -0.01 C |
| 2011 | 19.5 C | +0.88 C |
| 2012 | 19.4 C | +0.70 C |
| 2013 | 17.8 C | -0.81 C |
| 2014 | 17.1 C | -1.55 C |
| 2015 | 18.3 C | -0.38 C |
| 2016 | 19.0 C | +0.38 C |
| 2017 | 19.1 C | +0.40 C |
| 2018 | 18.3 C | -0.37 C |
| 2019 | 18.4 C | -0.28 C |
| 2020 | 18.6 C | -0.09 C |
| 2021 | 18.4 C | -0.25 C |
| 2023 | 19.4 C | +0.79 C |
| 2024 | 19.6 C | +0.98 C |
| 2025 | 19.2 C | +0.50 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
1975 to 2026| Measure | Record | Year of the record | Median year | Years with a value |
|---|---|---|---|---|
| Hottest day (TXx) | 44.4 C (111.9 F) | 2011 | 39.4 C (102.9 F) | 24 |
| Coldest night (TNn) | -16.7 C (1.9 F) | 2021 | -8.0 C (17.5 F) | 24 |
| Wettest day (Rx1day) | 206.2 mm (8.1 in) | 2016 | 87.6 mm (3.4 in) | 52 |
| Wettest five days (Rx5day) | 293.5 mm (11.6 in) | 2016 | 130.0 mm (5.1 in) | 52 |
| Longest dry spell (CDD) | 48 days | 1975 | 24 days | 52 |
Hottest day (TXx)
| Year | Hottest day (TXx) |
|---|---|
| 1975 | n/a |
| 1976 | n/a |
| 1977 | n/a |
| 1978 | n/a |
| 1979 | n/a |
| 1980 | n/a |
| 1981 | n/a |
| 1982 | n/a |
| 1983 | n/a |
| 1984 | n/a |
| 1985 | n/a |
| 1986 | n/a |
| 1987 | n/a |
| 1988 | n/a |
| 1989 | n/a |
| 1990 | n/a |
| 1991 | n/a |
| 1992 | n/a |
| 1993 | n/a |
| 1994 | n/a |
| 1995 | n/a |
| 1996 | n/a |
| 1997 | n/a |
| 1998 | n/a |
| 1999 | n/a |
| 2000 | n/a |
| 2001 | n/a |
| 2002 | n/a |
| 2003 | 38.3 C (100.9 F) |
| 2004 | 37.8 C (100.0 F) |
| 2005 | 39.4 C (102.9 F) |
| 2006 | 39.4 C (102.9 F) |
| 2007 | 42.8 C (109.0 F) |
| 2008 | 40.6 C (105.1 F) |
| 2009 | 40.0 C (104.0 F) |
| 2010 | 40.6 C (105.1 F) |
| 2011 | 44.4 C (111.9 F) |
| 2012 | 39.4 C (102.9 F) |
| 2013 | 38.9 C (102.0 F) |
| 2014 | 37.2 C (99.0 F) |
| 2015 | 39.4 C (102.9 F) |
| 2016 | 38.3 C (100.9 F) |
| 2017 | 37.8 C (100.0 F) |
| 2018 | 40.6 C (105.1 F) |
| 2019 | 38.3 C (100.9 F) |
| 2020 | 37.2 C (99.0 F) |
| 2021 | 37.2 C (99.0 F) |
| 2022 | 40.6 C (105.1 F) |
| 2023 | 41.1 C (106.0 F) |
| 2024 | 37.8 C (100.0 F) |
| 2025 | 37.2 C (99.0 F) |
| 2026 | 40.0 C (104.0 F) |
Coldest night (TNn)
| Year | Coldest night (TNn) |
|---|---|
| 1975 | n/a |
| 1976 | n/a |
| 1977 | n/a |
| 1978 | n/a |
| 1979 | n/a |
| 1980 | n/a |
| 1981 | n/a |
| 1982 | n/a |
| 1983 | n/a |
| 1984 | n/a |
| 1985 | n/a |
| 1986 | n/a |
| 1987 | n/a |
| 1988 | n/a |
| 1989 | n/a |
| 1990 | n/a |
| 1991 | n/a |
| 1992 | n/a |
| 1993 | n/a |
| 1994 | n/a |
| 1995 | n/a |
| 1996 | n/a |
| 1997 | n/a |
| 1998 | n/a |
| 1999 | n/a |
| 2000 | n/a |
| 2001 | n/a |
| 2002 | n/a |
| 2003 | -7.2 C (19.0 F) |
| 2004 | -6.7 C (19.9 F) |
| 2005 | -8.3 C (17.1 F) |
| 2006 | -7.8 C (18.0 F) |
| 2007 | -7.2 C (19.0 F) |
| 2008 | -6.7 C (19.9 F) |
| 2009 | -6.1 C (21.0 F) |
| 2010 | -10.6 C (12.9 F) |
| 2011 | -9.4 C (15.1 F) |
| 2012 | -5.6 C (21.9 F) |
| 2013 | -3.3 C (26.1 F) |
| 2014 | -9.4 C (15.1 F) |
| 2015 | -8.9 C (16.0 F) |
| 2016 | -6.7 C (19.9 F) |
| 2017 | -10.0 C (14.0 F) |
| 2018 | -13.3 C (8.1 F) |
| 2019 | -6.1 C (21.0 F) |
| 2020 | -2.8 C (27.0 F) |
| 2021 | -16.7 C (1.9 F) |
| 2022 | -12.8 C (9.0 F) |
| 2023 | -1.7 C (28.9 F) |
| 2024 | -10.0 C (14.0 F) |
| 2025 | -8.3 C (17.1 F) |
| 2026 | -8.3 C (17.1 F) |
Wettest day (Rx1day)
| Year | Wettest day (Rx1day) |
|---|---|
| 1975 | 64.0 mm (2.5 in) |
| 1976 | 58.4 mm (2.3 in) |
| 1977 | 50.8 mm (2.0 in) |
| 1978 | 58.7 mm (2.3 in) |
| 1979 | 76.2 mm (3.0 in) |
| 1980 | 85.9 mm (3.4 in) |
| 1981 | 88.1 mm (3.5 in) |
| 1982 | 102.9 mm (4.1 in) |
| 1983 | 91.9 mm (3.6 in) |
| 1984 | 82.0 mm (3.2 in) |
| 1985 | 54.1 mm (2.1 in) |
| 1986 | 119.4 mm (4.7 in) |
| 1987 | 151.6 mm (6.0 in) |
| 1988 | 97.8 mm (3.9 in) |
| 1989 | 92.5 mm (3.6 in) |
| 1990 | 104.4 mm (4.1 in) |
| 1991 | 102.9 mm (4.1 in) |
| 1992 | 101.1 mm (4.0 in) |
| 1993 | 76.7 mm (3.0 in) |
| 1994 | 76.2 mm (3.0 in) |
| 1995 | 68.6 mm (2.7 in) |
| 1996 | 114.3 mm (4.5 in) |
| 1997 | 91.7 mm (3.6 in) |
| 1998 | 62.7 mm (2.5 in) |
| 1999 | 99.1 mm (3.9 in) |
| 2000 | 99.1 mm (3.9 in) |
| 2001 | 88.1 mm (3.5 in) |
| 2002 | 115.8 mm (4.6 in) |
| 2003 | 123.7 mm (4.9 in) |
| 2004 | 170.7 mm (6.7 in) |
| 2005 | 51.3 mm (2.0 in) |
| 2006 | 71.1 mm (2.8 in) |
| 2007 | 83.8 mm (3.3 in) |
| 2008 | 61.2 mm (2.4 in) |
| 2009 | 86.4 mm (3.4 in) |
| 2010 | 67.8 mm (2.7 in) |
| 2011 | 67.3 mm (2.6 in) |
| 2012 | 85.6 mm (3.4 in) |
| 2013 | 135.1 mm (5.3 in) |
| 2014 | 95.8 mm (3.8 in) |
| 2015 | 98.6 mm (3.9 in) |
| 2016 | 206.2 mm (8.1 in) |
| 2017 | 73.9 mm (2.9 in) |
| 2018 | 104.1 mm (4.1 in) |
| 2019 | 120.7 mm (4.8 in) |
| 2020 | 63.5 mm (2.5 in) |
| 2021 | 66.0 mm (2.6 in) |
| 2022 | 87.1 mm (3.4 in) |
| 2023 | 91.9 mm (3.6 in) |
| 2024 | 105.4 mm (4.1 in) |
| 2025 | 83.8 mm (3.3 in) |
| 2026 | 69.3 mm (2.7 in) |
Wettest five days (Rx5day)
| Year | Wettest five days (Rx5day) |
|---|---|
| 1975 | 79.0 mm (3.1 in) |
| 1976 | 118.6 mm (4.7 in) |
| 1977 | 116.9 mm (4.6 in) |
| 1978 | 77.9 mm (3.1 in) |
| 1979 | 128.7 mm (5.1 in) |
| 1980 | 146.1 mm (5.8 in) |
| 1981 | 161.3 mm (6.4 in) |
| 1982 | 121.2 mm (4.8 in) |
| 1983 | 91.9 mm (3.6 in) |
| 1984 | 127.8 mm (5.0 in) |
| 1985 | 121.3 mm (4.8 in) |
| 1986 | 252.0 mm (9.9 in) |
| 1987 | 201.4 mm (7.9 in) |
| 1988 | 97.8 mm (3.9 in) |
| 1989 | 154.2 mm (6.1 in) |
| 1990 | 110.8 mm (4.4 in) |
| 1991 | 151.4 mm (6.0 in) |
| 1992 | 118.6 mm (4.7 in) |
| 1993 | 136.4 mm (5.4 in) |
| 1994 | 95.8 mm (3.8 in) |
| 1995 | 118.2 mm (4.7 in) |
| 1996 | 137.1 mm (5.4 in) |
| 1997 | 107.4 mm (4.2 in) |
| 1998 | 184.6 mm (7.3 in) |
| 1999 | 141.7 mm (5.6 in) |
| 2000 | 132.1 mm (5.2 in) |
| 2001 | 169.1 mm (6.7 in) |
| 2002 | 115.8 mm (4.6 in) |
| 2003 | 131.3 mm (5.2 in) |
| 2004 | 181.6 mm (7.1 in) |
| 2005 | 66.5 mm (2.6 in) |
| 2006 | 142.0 mm (5.6 in) |
| 2007 | 162.1 mm (6.4 in) |
| 2008 | 121.1 mm (4.8 in) |
| 2009 | 154.7 mm (6.1 in) |
| 2010 | 91.2 mm (3.6 in) |
| 2011 | 98.8 mm (3.9 in) |
| 2012 | 164.6 mm (6.5 in) |
| 2013 | 153.6 mm (6.0 in) |
| 2014 | 124.5 mm (4.9 in) |
| 2015 | 150.6 mm (5.9 in) |
| 2016 | 293.5 mm (11.6 in) |
| 2017 | 108.0 mm (4.3 in) |
| 2018 | 173.4 mm (6.8 in) |
| 2019 | 138.7 mm (5.5 in) |
| 2020 | 134.6 mm (5.3 in) |
| 2021 | 121.9 mm (4.8 in) |
| 2022 | 95.5 mm (3.8 in) |
| 2023 | 153.7 mm (6.1 in) |
| 2024 | 187.0 mm (7.4 in) |
| 2025 | 89.7 mm (3.5 in) |
| 2026 | 115.7 mm (4.6 in) |
Longest dry spell (CDD)
| Year | Longest dry spell (CDD) |
|---|---|
| 1975 | 48 days |
| 1976 | 22 days |
| 1977 | 33 days |
| 1978 | 26 days |
| 1979 | 26 days |
| 1980 | 34 days |
| 1981 | 20 days |
| 1982 | 35 days |
| 1983 | 20 days |
| 1984 | 19 days |
| 1985 | 25 days |
| 1986 | 28 days |
| 1987 | 21 days |
| 1988 | 18 days |
| 1989 | 22 days |
| 1990 | 21 days |
| 1991 | 37 days |
| 1992 | 32 days |
| 1993 | 22 days |
| 1994 | 17 days |
| 1995 | 26 days |
| 1996 | 24 days |
| 1997 | 29 days |
| 1998 | 36 days |
| 1999 | 45 days |
| 2000 | 44 days |
| 2001 | 35 days |
| 2002 | 19 days |
| 2003 | 24 days |
| 2004 | 33 days |
| 2005 | 19 days |
| 2006 | 23 days |
| 2007 | 29 days |
| 2008 | 24 days |
| 2009 | 18 days |
| 2010 | 24 days |
| 2011 | 30 days |
| 2012 | 16 days |
| 2013 | 16 days |
| 2014 | 16 days |
| 2015 | 29 days |
| 2016 | 25 days |
| 2017 | 27 days |
| 2018 | 16 days |
| 2019 | 22 days |
| 2020 | 16 days |
| 2021 | 14 days |
| 2022 | 45 days |
| 2023 | 20 days |
| 2024 | 25 days |
| 2025 | 23 days |
| 2026 | 20 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
21 years with a frostAcross 21 years with a frost, the median last spring frost at Mooringsport 1 N falls on 4 March and the median first autumn frost on 19 November, which leaves a median of 267 days between them.
| Measure | Median, all years | Earliest period | Recent period (2003 to 2025) | Recent against earliest | Fitted trend |
|---|---|---|---|---|---|
| Last spring frost | 4 March | n/a | 4 March | n/a | n/a |
| First autumn frost | 19 November | n/a | 19 November | n/a | n/a |
| Growing days | 267 days | n/a | 267 days | n/a | n/a |
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
48 years, 1976 to 2025A day with at least 87.9 mm (3.5 in) of rain is expected about once in 2 years. A day with at least 190.3 mm (7.5 in) of rain is expected about once in 100 years.
| Expected about once in | A day with at least | Note |
|---|---|---|
| 2 years | 87.9 mm (3.5 in) | |
| 5 years | 113.2 mm (4.5 in) | |
| 10 years | 130.7 mm (5.1 in) | |
| 25 years | 153.9 mm (6.1 in) | |
| 50 years | 171.8 mm (6.8 in) | Longer than the 48 years of record |
| 100 years | 190.3 mm (7.5 in) | Longer than the 48 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, 48 years of values from 1976 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: 206.2 mm (8.1 in) in 2016; 170.7 mm (6.7 in) in 2004; 151.6 mm (6.0 in) in 1987.
Download the Data
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 . Last revised (2026-10-14).