Shannon Weather Records (EIM00003962)
Record envelope, standing records and threshold days for Shannon (EIM00003962), Ireland, with 53 years of record.
Key Facts for Shannon
- Shannon (EIM00003962) is a weather station in Ireland at 52.70 latitude and -8.93 longitude, 14 m (46 ft) above sea level.
- The station reports from 1973 to 2025, 53 years of record.
- 1,464 records set at Shannon still stand.
- Records are tracked for tmax, prcp: an element needs 30 years of data to be eligible.
- Shannon set a daily record precipitation of 39.9 mm (1.6 in) on 15 July 2025.
About the Station
- Location: Ireland, 52.70 latitude, -8.93 longitude.
- Elevation: 14 m (46 ft).
- Period of record: 1973 to 2025, 53 years.
- Eligible elements: tmax, prcp.
Daily Record Envelope and 2026
5 days at or beyond a record| Month | Highest record high | Lowest record low | 2026 highest maximum | 2026 lowest minimum |
|---|---|---|---|---|
| Jan | 20.0 C (68.0 F) | -8.2 C (17.2 F) | 12.1 C (53.8 F) | -6.6 C (20.1 F) |
| Feb | 15.5 C (59.9 F) | -5.5 C (22.1 F) | 14.4 C (57.9 F) | 4.8 C (40.6 F) |
| Mar | 19.6 C (67.3 F) | -5.0 C (23.0 F) | 10.3 C (50.5 F) | 0.4 C (32.7 F) |
| Apr | 23.5 C (74.3 F) | -2.5 C (27.5 F) | 20.4 C (68.7 F) | 2.5 C (36.5 F) |
| May | 27.2 C (81.0 F) | -0.6 C (30.9 F) | 24.7 C (76.5 F) | 3.5 C (38.3 F) |
| Jun | 30.2 C (86.4 F) | 1.0 C (33.8 F) | 19.2 C (66.6 F) | 8.4 C (47.1 F) |
| Jul | 30.6 C (87.1 F) | 6.9 C (44.4 F) | 20.1 C (68.2 F) | 10.7 C (51.3 F) |
| Aug | 29.8 C (85.6 F) | 4.4 C (39.9 F) | 18.1 C (64.6 F) | 11.7 C (53.1 F) |
| Sep | 26.1 C (79.0 F) | -1.2 C (29.8 F) | n/a | n/a |
| Oct | 22.3 C (72.1 F) | -1.7 C (28.9 F) | n/a | n/a |
| Nov | 18.0 C (64.4 F) | -6.4 C (20.5 F) | n/a | n/a |
| Dec | 15.4 C (59.7 F) | -7.6 C (18.3 F) | n/a | n/a |
Which Years Hold Standing Records
1,464 standing records| Year set | Standing records |
|---|---|
| 1974 | 1 |
| 1977 | 15 |
| 1978 | 36 |
| 1979 | 37 |
| 1980 | 41 |
| 1981 | 42 |
| 1982 | 16 |
| 1983 | 45 |
| 1984 | 32 |
| 1985 | 43 |
| 1986 | 57 |
| 1987 | 36 |
| 1988 | 23 |
| 1989 | 41 |
| 1990 | 30 |
| 1991 | 32 |
| 1992 | 22 |
| 1993 | 21 |
| 1994 | 24 |
| 1995 | 75 |
| 1996 | 37 |
| 1997 | 48 |
| 1998 | 33 |
| 1999 | 24 |
| 2000 | 30 |
| 2001 | 37 |
| 2002 | 13 |
| 2003 | 36 |
| 2004 | 20 |
| 2005 | 22 |
| 2006 | 28 |
| 2007 | 31 |
| 2008 | 24 |
| 2009 | 22 |
| 2010 | 39 |
| 2011 | 39 |
| 2012 | 34 |
| 2013 | 47 |
| 2014 | 16 |
| 2015 | 28 |
| 2016 | 26 |
| 2017 | 28 |
| 2018 | 27 |
| 2019 | 15 |
| 2020 | 19 |
| 2021 | 11 |
| 2022 | 12 |
| 2023 | 15 |
| 2024 | 19 |
| 2025 | 15 |
All-Time Record Progression
3 new records| Date | Kind | Detail |
|---|---|---|
| 2010-01-09 | Record low maximum temperature | Record low maximum temperature -2.0 C (28.4 F) |
| 2010-12-21 | Record low maximum temperature | Record low maximum temperature -4.1 C (24.6 F) |
| 2020-02-09 | Record daily precipitation | Record daily precipitation 116.1 mm (4.6 in) |
Wettest Day of Each Month
Feb: 116.1 mm (4.6 in)| Month | Record daily precipitation (mm) | Date |
|---|---|---|
| Jan | 82.0 mm (3.2 in) | 24 January 1992 |
| Feb | 116.1 mm (4.6 in) | 9 February 2020 |
| Mar | 97.0 mm (3.8 in) | 12 March 1996 |
| Apr | 41.1 mm (1.6 in) | 6 April 2010 |
| May | 26.9 mm (1.1 in) | 5 May 2023 |
| Jun | 40.1 mm (1.6 in) | 3 June 2012 |
| Jul | 48.0 mm (1.9 in) | 21 July 2017 |
| Aug | 90.4 mm (3.6 in) | 29 August 1990 |
| Sep | 53.1 mm (2.1 in) | 4 September 1985 |
| Oct | 34.0 mm (1.3 in) | 9 October 1997 |
| Nov | 31.0 mm (1.2 in) | 8 November 2010 |
| Dec | 33.0 mm (1.3 in) | 12 December 2015 |
Period of Record Coverage
1974 to 2025| Year | Days with data | Share of year | Complete |
|---|---|---|---|
| 1974 | 1 | 0% | No |
| 1976 | 1 | 0% | No |
| 1977 | 159 | 44% | No |
| 1978 | 313 | 86% | No |
| 1979 | 330 | 90% | Yes |
| 1980 | 331 | 90% | Yes |
| 1981 | 320 | 88% | No |
| 1982 | 221 | 61% | No |
| 1983 | 225 | 62% | No |
| 1984 | 262 | 72% | No |
| 1985 | 284 | 78% | No |
| 1986 | 274 | 75% | No |
| 1987 | 287 | 79% | No |
| 1988 | 281 | 77% | No |
| 1989 | 264 | 72% | No |
| 1990 | 269 | 74% | No |
| 1991 | 261 | 72% | No |
| 1992 | 276 | 75% | No |
| 1993 | 220 | 60% | No |
| 1994 | 310 | 85% | No |
| 1995 | 322 | 88% | No |
| 1996 | 315 | 86% | No |
| 1997 | 324 | 89% | No |
| 1998 | 317 | 87% | No |
| 1999 | 299 | 82% | No |
| 2000 | 338 | 92% | Yes |
| 2001 | 328 | 90% | No |
| 2002 | 308 | 84% | No |
| 2003 | 312 | 85% | No |
| 2004 | 264 | 72% | No |
| 2005 | 260 | 71% | No |
| 2006 | 258 | 71% | No |
| 2007 | 247 | 68% | No |
| 2008 | 250 | 68% | No |
| 2009 | 257 | 70% | No |
| 2010 | 282 | 77% | No |
| 2011 | 251 | 69% | No |
| 2012 | 261 | 71% | No |
| 2013 | 244 | 67% | No |
| 2014 | 248 | 68% | No |
| 2015 | 227 | 62% | No |
| 2016 | 224 | 61% | No |
| 2017 | 230 | 63% | No |
| 2018 | 78 | 21% | No |
| 2019 | 16 | 4% | No |
| 2020 | 15 | 4% | No |
| 2021 | 16 | 4% | No |
| 2022 | 80 | 22% | No |
| 2023 | 12 | 3% | No |
| 2024 | 18 | 5% | No |
| 2025 | 25 | 7% | No |
Latest Records
20| Date | Station | Record | Value | Beat old record by | Old record stood | Significance |
|---|---|---|---|---|---|---|
| 15 July 2025 | Shannon, IE | daily rain | 39.9 mm (1.6 in) | 28.7 mm (1.1 in) | 48 years | 59 of 100 (Notable) |
| 4 July 2025 | Shannon, IE | daily rain | 42.9 mm (1.7 in) | 30.7 mm (1.2 in) | 35 years | 55 of 100 (Notable) |
| 17 May 2025 | Shannon, IE | daily high max | 24.7 C (76.5 F) | 1.7 C (3.1 F) | 27 years | 18 of 100 (Routine) |
| 18 April 2025 | Shannon, IE | daily rain | 26.9 mm (1.1 in) | 10.9 mm (0.4 in) | 40 years | 43 of 100 (Notable) |
| 13 April 2025 | Shannon, IE | daily rain | 13.7 mm (0.5 in) | 2.5 mm (0.10 in) | 14 years | 15 of 100 (Routine) |
| 9 April 2025 | Shannon, IE | daily high max | 20.4 C (68.7 F) | 2.1 C (3.8 F) | 10 years | 15 of 100 (Routine) |
| 23 February 2025 | Shannon, IE | daily high max | 14.4 C (57.9 F) | 0.8 C (1.4 F) | 14 years | 12 of 100 (Routine) |
| 31 December 2024 | Shannon, IE | daily rain | 18.3 mm (0.7 in) | 2.3 mm (0.09 in) | 49 years | 20 of 100 (Routine) |
| 5 December 2024 | Shannon, IE | daily high max | 12.2 C (54.0 F) | 0.2 C (0.4 F) | 20 years | 11 of 100 (Routine) |
| 23 November 2024 | Shannon, IE | daily rain | 21.1 mm (0.8 in) | 2.0 mm (0.08 in) | 42 years | 20 of 100 (Routine) |
| 23 November 2024 | Shannon, IE | daily high max | 15.2 C (59.4 F) | 0.9 C (1.6 F) | 29 years | 16 of 100 (Routine) |
| 25 September 2024 | Shannon, IE | daily rain | 24.1 mm (0.9 in) | 5.0 mm (0.20 in) | 26 years | 20 of 100 (Routine) |
| 29 June 2024 | Shannon, IE | daily rain (Tie) | 10.9 mm (0.4 in) | tie | 34 years | 3 of 100 (Routine) |
| 19 May 2024 | Shannon, IE | daily high max | 22.0 C (71.6 F) | 2.3 C (4.1 F) | 14 years | 16 of 100 (Routine) |
| 14 May 2024 | Shannon, IE | daily rain | 18.0 mm (0.7 in) | 9.9 mm (0.39 in) | 39 years | 20 of 100 (Routine) |
| 25 March 2024 | Shannon, IE | daily rain | 20.1 mm (0.8 in) | 5.9 mm (0.23 in) | 30 years | 20 of 100 (Routine) |
| 25 February 2024 | Shannon, IE | daily rain | 11.9 mm (0.5 in) | 1.0 mm (0.04 in) | 9 years | 8 of 100 (Routine) |
| 23 January 2024 | Shannon, IE | daily high max | 14.4 C (57.9 F) | 0.7 C (1.3 F) | 16 years | 11 of 100 (Routine) |
| 21 January 2024 | Shannon, IE | daily high max | 14.1 C (57.4 F) | 0.9 C (1.6 F) | 33 years | 18 of 100 (Routine) |
| 23 October 2023 | Shannon, IE | daily rain | 22.1 mm (0.9 in) | 10.2 mm (0.4 in) | 48 years | 20 of 100 (Routine) |
Extremes by Year
1973 to 2025| Measure | Record | Year of the record | Median year | Years with a value |
|---|---|---|---|---|
| Hottest day (TXx) | 30.6 C (87.1 F) | 1983 | 25.2 C (77.4 F) | 51 |
| Coldest night (TNn) | -8.2 C (17.2 F) | 1982 | -3.3 C (26.1 F) | 49 |
| Wettest day (Rx1day) | 116.1 mm (4.6 in) | 2020 | 31.0 mm (1.2 in) | 53 |
| Wettest five days (Rx5day) | 162.3 mm (6.4 in) | 2020 | 60.2 mm (2.4 in) | 53 |
| Longest dry spell (CDD) | 24 days | 2018 | 11 days | 53 |
Hottest day (TXx)
| Year | Hottest day (TXx) |
|---|---|
| 1973 | n/a |
| 1974 | 20.0 C (68.0 F) |
| 1975 | n/a |
| 1976 | 11.0 C (51.8 F) |
| 1977 | 27.0 C (80.6 F) |
| 1978 | 24.0 C (75.2 F) |
| 1979 | 24.0 C (75.2 F) |
| 1980 | 22.0 C (71.6 F) |
| 1981 | 25.0 C (77.0 F) |
| 1982 | 26.5 C (79.7 F) |
| 1983 | 30.6 C (87.1 F) |
| 1984 | 26.5 C (79.7 F) |
| 1985 | 23.4 C (74.1 F) |
| 1986 | 24.7 C (76.5 F) |
| 1987 | 25.5 C (77.9 F) |
| 1988 | 24.6 C (76.3 F) |
| 1989 | 30.0 C (86.0 F) |
| 1990 | 27.4 C (81.3 F) |
| 1991 | 26.8 C (80.2 F) |
| 1992 | 25.3 C (77.5 F) |
| 1993 | 23.0 C (73.4 F) |
| 1994 | 23.0 C (73.4 F) |
| 1995 | 30.2 C (86.4 F) |
| 1996 | 27.0 C (80.6 F) |
| 1997 | 27.2 C (81.0 F) |
| 1998 | 24.5 C (76.1 F) |
| 1999 | 26.0 C (78.8 F) |
| 2000 | 27.6 C (81.7 F) |
| 2001 | 26.0 C (78.8 F) |
| 2002 | 24.0 C (75.2 F) |
| 2003 | 29.0 C (84.2 F) |
| 2004 | 24.0 C (75.2 F) |
| 2005 | 28.0 C (82.4 F) |
| 2006 | 30.2 C (86.4 F) |
| 2007 | 25.0 C (77.0 F) |
| 2008 | 25.2 C (77.4 F) |
| 2009 | 25.3 C (77.5 F) |
| 2010 | 25.2 C (77.4 F) |
| 2011 | 23.9 C (75.0 F) |
| 2012 | 26.5 C (79.7 F) |
| 2013 | 29.5 C (85.1 F) |
| 2014 | 27.4 C (81.3 F) |
| 2015 | 22.8 C (73.0 F) |
| 2016 | 28.5 C (83.3 F) |
| 2017 | 26.0 C (78.8 F) |
| 2018 | 19.2 C (66.6 F) |
| 2019 | 20.5 C (68.9 F) |
| 2020 | 20.7 C (69.3 F) |
| 2021 | 24.1 C (75.4 F) |
| 2022 | 23.4 C (74.1 F) |
| 2023 | 24.1 C (75.4 F) |
| 2024 | 23.1 C (73.6 F) |
| 2025 | 24.7 C (76.5 F) |
Coldest night (TNn)
| Year | Coldest night (TNn) |
|---|---|
| 1973 | n/a |
| 1974 | n/a |
| 1975 | n/a |
| 1976 | n/a |
| 1977 | -3.0 C (26.6 F) |
| 1978 | -3.0 C (26.6 F) |
| 1979 | -6.0 C (21.2 F) |
| 1980 | -3.0 C (26.6 F) |
| 1981 | -5.0 C (23.0 F) |
| 1982 | -8.2 C (17.2 F) |
| 1983 | -2.3 C (27.9 F) |
| 1984 | -3.9 C (25.0 F) |
| 1985 | -6.5 C (20.3 F) |
| 1986 | -5.5 C (22.1 F) |
| 1987 | -6.4 C (20.5 F) |
| 1988 | -4.0 C (24.8 F) |
| 1989 | -4.2 C (24.4 F) |
| 1990 | -2.4 C (27.7 F) |
| 1991 | -3.9 C (25.0 F) |
| 1992 | -2.0 C (28.4 F) |
| 1993 | -1.6 C (29.1 F) |
| 1994 | -0.1 C (31.8 F) |
| 1995 | -4.0 C (24.8 F) |
| 1996 | -3.6 C (25.5 F) |
| 1997 | -3.3 C (26.1 F) |
| 1998 | -1.5 C (29.3 F) |
| 1999 | -3.4 C (25.9 F) |
| 2000 | -3.1 C (26.4 F) |
| 2001 | -4.1 C (24.6 F) |
| 2002 | -1.0 C (30.2 F) |
| 2003 | -1.7 C (28.9 F) |
| 2004 | -3.0 C (26.6 F) |
| 2005 | -2.7 C (27.1 F) |
| 2006 | -4.2 C (24.4 F) |
| 2007 | -3.6 C (25.5 F) |
| 2008 | -3.6 C (25.5 F) |
| 2009 | -4.3 C (24.3 F) |
| 2010 | -7.6 C (18.3 F) |
| 2011 | -5.3 C (22.5 F) |
| 2012 | -1.5 C (29.3 F) |
| 2013 | -3.2 C (26.2 F) |
| 2014 | -1.8 C (28.8 F) |
| 2015 | -3.3 C (26.1 F) |
| 2016 | -3.2 C (26.2 F) |
| 2017 | -3.3 C (26.1 F) |
| 2018 | -5.0 C (23.0 F) |
| 2019 | -2.0 C (28.4 F) |
| 2020 | -2.3 C (27.9 F) |
| 2021 | -2.7 C (27.1 F) |
| 2022 | -3.4 C (25.9 F) |
| 2023 | -3.3 C (26.1 F) |
| 2024 | -3.4 C (25.9 F) |
| 2025 | -6.6 C (20.1 F) |
Wettest day (Rx1day)
| Year | Wettest day (Rx1day) |
|---|---|
| 1973 | 29.0 mm (1.1 in) |
| 1974 | 47.0 mm (1.9 in) |
| 1975 | 36.1 mm (1.4 in) |
| 1976 | 29.0 mm (1.1 in) |
| 1977 | 30.0 mm (1.2 in) |
| 1978 | 41.1 mm (1.6 in) |
| 1979 | 29.0 mm (1.1 in) |
| 1980 | 29.0 mm (1.1 in) |
| 1981 | 24.9 mm (1.0 in) |
| 1982 | 38.1 mm (1.5 in) |
| 1983 | 29.0 mm (1.1 in) |
| 1984 | 31.0 mm (1.2 in) |
| 1985 | 53.1 mm (2.1 in) |
| 1986 | 27.9 mm (1.1 in) |
| 1987 | 87.9 mm (3.5 in) |
| 1988 | 26.9 mm (1.1 in) |
| 1989 | 23.1 mm (0.9 in) |
| 1990 | 90.4 mm (3.6 in) |
| 1991 | 22.1 mm (0.9 in) |
| 1992 | 82.0 mm (3.2 in) |
| 1993 | 32.0 mm (1.3 in) |
| 1994 | 31.0 mm (1.2 in) |
| 1995 | 33.0 mm (1.3 in) |
| 1996 | 97.0 mm (3.8 in) |
| 1997 | 40.9 mm (1.6 in) |
| 1998 | 23.9 mm (0.9 in) |
| 1999 | 25.9 mm (1.0 in) |
| 2000 | 38.9 mm (1.5 in) |
| 2001 | 20.8 mm (0.8 in) |
| 2002 | 27.9 mm (1.1 in) |
| 2003 | 35.1 mm (1.4 in) |
| 2004 | 22.1 mm (0.9 in) |
| 2005 | 31.0 mm (1.2 in) |
| 2006 | 38.9 mm (1.5 in) |
| 2007 | 32.0 mm (1.3 in) |
| 2008 | 49.0 mm (1.9 in) |
| 2009 | 27.9 mm (1.1 in) |
| 2010 | 43.2 mm (1.7 in) |
| 2011 | 32.0 mm (1.3 in) |
| 2012 | 40.1 mm (1.6 in) |
| 2013 | 26.9 mm (1.1 in) |
| 2014 | 36.1 mm (1.4 in) |
| 2015 | 33.0 mm (1.3 in) |
| 2016 | 25.9 mm (1.0 in) |
| 2017 | 48.0 mm (1.9 in) |
| 2018 | 23.9 mm (0.9 in) |
| 2019 | 33.0 mm (1.3 in) |
| 2020 | 116.1 mm (4.6 in) |
| 2021 | 25.9 mm (1.0 in) |
| 2022 | 23.1 mm (0.9 in) |
| 2023 | 26.9 mm (1.1 in) |
| 2024 | 24.1 mm (0.9 in) |
| 2025 | 42.9 mm (1.7 in) |
Wettest five days (Rx5day)
| Year | Wettest five days (Rx5day) |
|---|---|
| 1973 | 50.9 mm (2.0 in) |
| 1974 | 98.3 mm (3.9 in) |
| 1975 | 57.7 mm (2.3 in) |
| 1976 | 64.3 mm (2.5 in) |
| 1977 | 46.3 mm (1.8 in) |
| 1978 | 59.9 mm (2.4 in) |
| 1979 | 55.9 mm (2.2 in) |
| 1980 | 48.0 mm (1.9 in) |
| 1981 | 64.3 mm (2.5 in) |
| 1982 | 63.8 mm (2.5 in) |
| 1983 | 55.1 mm (2.2 in) |
| 1984 | 65.3 mm (2.6 in) |
| 1985 | 73.2 mm (2.9 in) |
| 1986 | 51.6 mm (2.0 in) |
| 1987 | 95.3 mm (3.8 in) |
| 1988 | 62.7 mm (2.5 in) |
| 1989 | 50.5 mm (2.0 in) |
| 1990 | 70.1 mm (2.8 in) |
| 1991 | 48.3 mm (1.9 in) |
| 1992 | 52.6 mm (2.1 in) |
| 1993 | 57.2 mm (2.3 in) |
| 1994 | 76.6 mm (3.0 in) |
| 1995 | 80.0 mm (3.1 in) |
| 1996 | 126.0 mm (5.0 in) |
| 1997 | 101.3 mm (4.0 in) |
| 1998 | 43.5 mm (1.7 in) |
| 1999 | 51.0 mm (2.0 in) |
| 2000 | 63.5 mm (2.5 in) |
| 2001 | 42.2 mm (1.7 in) |
| 2002 | 60.2 mm (2.4 in) |
| 2003 | 45.5 mm (1.8 in) |
| 2004 | 45.8 mm (1.8 in) |
| 2005 | 51.3 mm (2.0 in) |
| 2006 | 61.8 mm (2.4 in) |
| 2007 | 55.9 mm (2.2 in) |
| 2008 | 61.5 mm (2.4 in) |
| 2009 | 60.9 mm (2.4 in) |
| 2010 | 70.1 mm (2.8 in) |
| 2011 | 89.0 mm (3.5 in) |
| 2012 | 45.2 mm (1.8 in) |
| 2013 | 57.2 mm (2.3 in) |
| 2014 | 71.1 mm (2.8 in) |
| 2015 | 56.1 mm (2.2 in) |
| 2016 | 60.4 mm (2.4 in) |
| 2017 | 66.1 mm (2.6 in) |
| 2018 | 54.9 mm (2.2 in) |
| 2019 | 65.5 mm (2.6 in) |
| 2020 | 162.3 mm (6.4 in) |
| 2021 | 53.8 mm (2.1 in) |
| 2022 | 53.8 mm (2.1 in) |
| 2023 | 64.9 mm (2.6 in) |
| 2024 | 48.3 mm (1.9 in) |
| 2025 | 69.8 mm (2.7 in) |
Longest dry spell (CDD)
| Year | Longest dry spell (CDD) |
|---|---|
| 1973 | 18 days |
| 1974 | 17 days |
| 1975 | 19 days |
| 1976 | 15 days |
| 1977 | 14 days |
| 1978 | 14 days |
| 1979 | 9 days |
| 1980 | 11 days |
| 1981 | 16 days |
| 1982 | 15 days |
| 1983 | 9 days |
| 1984 | 8 days |
| 1985 | 9 days |
| 1986 | 13 days |
| 1987 | 9 days |
| 1988 | 12 days |
| 1989 | 8 days |
| 1990 | 6 days |
| 1991 | 9 days |
| 1992 | 7 days |
| 1993 | 8 days |
| 1994 | 8 days |
| 1995 | 12 days |
| 1996 | 6 days |
| 1997 | 13 days |
| 1998 | 6 days |
| 1999 | 5 days |
| 2000 | 2 days |
| 2001 | 3 days |
| 2002 | 5 days |
| 2003 | 11 days |
| 2004 | 10 days |
| 2005 | 12 days |
| 2006 | 7 days |
| 2007 | 8 days |
| 2008 | 6 days |
| 2009 | 8 days |
| 2010 | 12 days |
| 2011 | 9 days |
| 2012 | 9 days |
| 2013 | 6 days |
| 2014 | 11 days |
| 2015 | 5 days |
| 2016 | 16 days |
| 2017 | 12 days |
| 2018 | 24 days |
| 2019 | 16 days |
| 2020 | 14 days |
| 2021 | 18 days |
| 2022 | 21 days |
| 2023 | 19 days |
| 2024 | 15 days |
| 2025 | 15 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
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 2026-10-17 (17 October 2026). Records are computed by this site and are not official.
Data as of . Last revised (2025-12-31).