Grand Lake 1 NW Weather Records (USC00053496)
Record envelope, standing records and threshold days for Grand Lake 1 NW (USC00053496), Colorado, United States, with 120 years of record.
Key Facts for Grand Lake 1 NW
- Grand Lake 1 NW (USC00053496) is a weather station in Colorado, United States at 40.27 latitude and -105.83 longitude, 2,658 m (8,720 ft) above sea level.
- The station reports from 1907 to 2026, 120 years of record.
- 1,464 records set at Grand Lake 1 NW still stand.
- Records are tracked for tmax, tmin, prcp, snow, snwd: an element needs 30 years of data to be eligible.
- Grand Lake 1 NW set a daily record high minimum temperature of 5.6 C (42.1 F) on 30 September 2026 (provisional).
Provisional Records
Records set in the last 60 days are provisional until they clear the revision window.
About the Station
- Location: Colorado, United States, 40.27 latitude, -105.83 longitude.
- Elevation: 2,658 m (8,720 ft).
- Period of record: 1907 to 2026, 120 years.
- Eligible elements: tmax, tmin, prcp, snow, snwd.
Daily Record Envelope and 2026
23 days at or beyond a record| Month | Highest record high | Lowest record low | 2026 highest maximum | 2026 lowest minimum |
|---|---|---|---|---|
| Jan | 11.7 C (53.1 F) | -41.7 C (-43.1 F) | 7.2 C (45.0 F) | -28.3 C (-18.9 F) |
| Feb | 13.3 C (55.9 F) | -40.6 C (-41.1 F) | 11.1 C (52.0 F) | -20.0 C (-4.0 F) |
| Mar | 21.7 C (71.1 F) | -37.8 C (-36.0 F) | 21.7 C (71.1 F) | -13.3 C (8.1 F) |
| Apr | 22.8 C (73.0 F) | -29.4 C (-20.9 F) | 20.0 C (68.0 F) | -11.1 C (12.0 F) |
| May | 27.8 C (82.0 F) | -17.2 C (1.0 F) | 25.0 C (77.0 F) | -7.8 C (18.0 F) |
| Jun | 31.7 C (89.1 F) | -8.9 C (16.0 F) | 27.8 C (82.0 F) | -0.6 C (30.9 F) |
| Jul | 33.3 C (91.9 F) | -6.1 C (21.0 F) | 31.1 C (88.0 F) | 2.2 C (36.0 F) |
| Aug | 33.3 C (91.9 F) | -7.8 C (18.0 F) | 31.7 C (89.1 F) | 4.4 C (39.9 F) |
| Sep | 31.7 C (89.1 F) | -13.9 C (7.0 F) | 22.2 C (72.0 F) | 0.6 C (33.1 F) |
| Oct | 26.7 C (80.1 F) | -26.1 C (-15.0 F) | n/a | n/a |
| Nov | 20.0 C (68.0 F) | -33.3 C (-27.9 F) | n/a | n/a |
| Dec | 12.8 C (55.0 F) | -37.2 C (-35.0 F) | n/a | n/a |
Which Years Hold Standing Records
1,464 standing records| Year set | Standing records |
|---|---|
| 1939 | 7 |
| 1940 | 17 |
| 1941 | 15 |
| 1942 | 13 |
| 1943 | 27 |
| 1944 | 6 |
| 1945 | 12 |
| 1946 | 6 |
| 1947 | 19 |
| 1948 | 26 |
| 1949 | 16 |
| 1950 | 29 |
| 1951 | 24 |
| 1952 | 18 |
| 1953 | 12 |
| 1954 | 17 |
| 1955 | 18 |
| 1956 | 27 |
| 1957 | 16 |
| 1958 | 9 |
| 1959 | 23 |
| 1960 | 12 |
| 1961 | 16 |
| 1962 | 36 |
| 1963 | 15 |
| 1964 | 24 |
| 1965 | 17 |
| 1966 | 13 |
| 1967 | 14 |
| 1968 | 17 |
| 1969 | 25 |
| 1970 | 17 |
| 1971 | 22 |
| 1972 | 14 |
| 1973 | 19 |
| 1974 | 11 |
| 1975 | 34 |
| 1976 | 12 |
| 1977 | 17 |
| 1978 | 37 |
| 1979 | 15 |
| 1980 | 12 |
| 1981 | 16 |
| 1982 | 14 |
| 1983 | 17 |
| 1984 | 13 |
| 1985 | 11 |
| 1986 | 20 |
| 1987 | 19 |
| 1988 | 18 |
| 1989 | 29 |
| 1990 | 17 |
| 1991 | 13 |
| 1992 | 15 |
| 1993 | 8 |
| 1994 | 14 |
| 1995 | 19 |
| 1996 | 14 |
| 1997 | 12 |
| 1998 | 15 |
| 1999 | 31 |
| 2000 | 24 |
| 2001 | 16 |
| 2002 | 14 |
| 2003 | 20 |
| 2004 | 11 |
| 2005 | 15 |
| 2006 | 12 |
| 2007 | 12 |
| 2008 | 9 |
| 2009 | 7 |
| 2010 | 9 |
| 2011 | 11 |
| 2012 | 16 |
| 2013 | 18 |
| 2014 | 14 |
| 2015 | 7 |
| 2016 | 9 |
| 2017 | 16 |
| 2018 | 6 |
| 2019 | 8 |
| 2020 | 11 |
| 2021 | 17 |
| 2022 | 15 |
| 2023 | 13 |
| 2024 | 19 |
| 2025 | 31 |
| 2026 | 33 |
All-Time Record Progression
3 new records| Date | Kind | Detail |
|---|---|---|
| 1975-07-31 | Record high minimum temperature | Record high minimum temperature 17.8 C (64.0 F) |
| 1978-07-15 | Record high maximum temperature | Record high maximum temperature 33.3 C (91.9 F) |
| 1985-09-28 | Record daily precipitation | Record daily precipitation 81.3 mm (3.2 in) |
Wettest Day of Each Month
Sep: 81.3 mm (3.2 in)| Month | Record daily precipitation (mm) | Date |
|---|---|---|
| Jan | 25.7 mm (1.0 in) | 31 January 1914 |
| Feb | 48.5 mm (1.9 in) | 20 February 1986 |
| Mar | 36.8 mm (1.4 in) | 19 March 2003 |
| Apr | 68.6 mm (2.7 in) | 11 April 1909 |
| May | 50.0 mm (2.0 in) | 7 May 1969 |
| Jun | 38.1 mm (1.5 in) | 9 June 1984 |
| Jul | 48.5 mm (1.9 in) | 19 July 1985 |
| Aug | 48.8 mm (1.9 in) | 20 August 1917 |
| Sep | 81.3 mm (3.2 in) | 28 September 1985 |
| Oct | 40.4 mm (1.6 in) | 3 October 1969 |
| Nov | 25.4 mm (1.0 in) | 26 November 1919 |
| Dec | 38.1 mm (1.5 in) | 5 December 1913 |
Period of Record Coverage
1939 to 2026| Year | Days with data | Share of year | Complete |
|---|---|---|---|
| 1939 | 92 | 25% | No |
| 1940 | 364 | 99% | Yes |
| 1941 | 363 | 99% | Yes |
| 1942 | 365 | 100% | Yes |
| 1943 | 334 | 92% | Yes |
| 1944 | 271 | 74% | No |
| 1945 | 302 | 83% | No |
| 1946 | 181 | 50% | No |
| 1947 | 364 | 100% | Yes |
| 1948 | 365 | 100% | Yes |
| 1949 | 365 | 100% | Yes |
| 1950 | 361 | 99% | Yes |
| 1951 | 365 | 100% | Yes |
| 1952 | 365 | 100% | Yes |
| 1953 | 356 | 98% | Yes |
| 1954 | 363 | 99% | Yes |
| 1955 | 359 | 98% | Yes |
| 1956 | 362 | 99% | Yes |
| 1957 | 365 | 100% | Yes |
| 1958 | 361 | 99% | Yes |
| 1959 | 364 | 100% | Yes |
| 1960 | 365 | 100% | Yes |
| 1961 | 365 | 100% | Yes |
| 1962 | 364 | 100% | Yes |
| 1963 | 364 | 100% | Yes |
| 1964 | 363 | 99% | Yes |
| 1965 | 363 | 99% | Yes |
| 1966 | 363 | 99% | Yes |
| 1967 | 361 | 99% | Yes |
| 1968 | 363 | 99% | Yes |
| 1969 | 352 | 96% | Yes |
| 1970 | 329 | 90% | Yes |
| 1971 | 346 | 95% | Yes |
| 1972 | 340 | 93% | Yes |
| 1973 | 357 | 98% | Yes |
| 1974 | 325 | 89% | No |
| 1975 | 364 | 100% | Yes |
| 1976 | 353 | 96% | Yes |
| 1977 | 365 | 100% | Yes |
| 1978 | 359 | 98% | Yes |
| 1979 | 342 | 94% | Yes |
| 1980 | 364 | 99% | Yes |
| 1981 | 358 | 98% | Yes |
| 1982 | 347 | 95% | Yes |
| 1983 | 345 | 95% | Yes |
| 1984 | 350 | 96% | Yes |
| 1985 | 351 | 96% | Yes |
| 1986 | 355 | 97% | Yes |
| 1987 | 358 | 98% | Yes |
| 1988 | 356 | 97% | Yes |
| 1989 | 363 | 99% | Yes |
| 1990 | 360 | 99% | Yes |
| 1991 | 362 | 99% | Yes |
| 1992 | 363 | 99% | Yes |
| 1993 | 362 | 99% | Yes |
| 1994 | 359 | 98% | Yes |
| 1995 | 360 | 99% | Yes |
| 1996 | 362 | 99% | Yes |
| 1997 | 360 | 99% | Yes |
| 1998 | 359 | 98% | Yes |
| 1999 | 359 | 98% | Yes |
| 2000 | 359 | 98% | Yes |
| 2001 | 363 | 99% | Yes |
| 2002 | 362 | 99% | Yes |
| 2003 | 359 | 98% | Yes |
| 2004 | 362 | 99% | Yes |
| 2005 | 361 | 99% | Yes |
| 2006 | 365 | 100% | Yes |
| 2007 | 365 | 100% | Yes |
| 2008 | 365 | 100% | Yes |
| 2009 | 334 | 92% | Yes |
| 2010 | 365 | 100% | Yes |
| 2011 | 365 | 100% | Yes |
| 2012 | 366 | 100% | Yes |
| 2013 | 364 | 100% | Yes |
| 2014 | 364 | 100% | Yes |
| 2015 | 364 | 100% | Yes |
| 2016 | 364 | 99% | Yes |
| 2017 | 365 | 100% | Yes |
| 2018 | 363 | 99% | Yes |
| 2019 | 362 | 99% | Yes |
| 2020 | 348 | 95% | Yes |
| 2021 | 365 | 100% | Yes |
| 2022 | 364 | 100% | Yes |
| 2023 | 329 | 90% | Yes |
| 2024 | 366 | 100% | Yes |
| 2025 | 348 | 95% | Yes |
| 2026 | 248 | 68% | No |
Latest Records
20| Date | Station | Record | Value | Beat old record by | Old record stood | Significance |
|---|---|---|---|---|---|---|
| 30 September 2026 | Grand Lake 1 NW, US | daily high min (Provisional) | 5.6 C (42.1 F) | 1.7 C (3.1 F) | 32 years | 21 of 100 (Routine) |
| 22 August 2026 | Grand Lake 1 NW, US | daily high max (Provisional) | 28.9 C (84.0 F) | 0.6 C (1.1 F) | 65 years | 28 of 100 (Routine) |
| 22 August 2026 | Grand Lake 1 NW, US | daily high min (Tie, Provisional) | 8.9 C (48.0 F) | tie | 1 year | 2 of 100 (Routine) |
| 21 August 2026 | Grand Lake 1 NW, US | daily high max (Provisional) | 31.1 C (88.0 F) | 0.5 C (0.9 F) | 3 years | 9 of 100 (Routine) |
| 20 August 2026 | Grand Lake 1 NW, US | daily high max (Tie, Provisional) | 30.0 C (86.0 F) | tie | 3 years | 2 of 100 (Routine) |
| 10 August 2026 | Grand Lake 1 NW, US | daily high min | 10.0 C (50.0 F) | 1.1 C (2.0 F) | 20 years | 17 of 100 (Routine) |
| 3 August 2026 | Grand Lake 1 NW, US | daily high max (Tie) | 30.6 C (87.1 F) | tie | 84 years | 8 of 100 (Routine) |
| 2 August 2026 | Grand Lake 1 NW, US | daily high max | 31.7 C (89.1 F) | 0.6 C (1.1 F) | 1 year | 9 of 100 (Routine) |
| 27 July 2026 | Grand Lake 1 NW, US | daily high min (Tie) | 13.3 C (55.9 F) | tie | 39 years | 4 of 100 (Routine) |
| 25 July 2026 | Grand Lake 1 NW, US | daily high min | 10.6 C (51.1 F) | 0.6 C (1.1 F) | 73 years | 32 of 100 (Routine) |
| 24 July 2026 | Grand Lake 1 NW, US | daily high max (Tie) | 30.0 C (86.0 F) | tie | 79 years | 7 of 100 (Routine) |
| 24 July 2026 | Grand Lake 1 NW, US | daily high min (Tie) | 10.0 C (50.0 F) | tie | 51 years | 5 of 100 (Routine) |
| 23 July 2026 | Grand Lake 1 NW, US | daily high min | 12.8 C (55.0 F) | 3.4 C (6.1 F) | 59 years | 36 of 100 (Notable) |
| 22 July 2026 | Grand Lake 1 NW, US | daily high min | 11.1 C (52.0 F) | 2.2 C (4.0 F) | 72 years | 36 of 100 (Notable) |
| 15 July 2026 | Grand Lake 1 NW, US | daily high min (Tie) | 9.4 C (48.9 F) | tie | 27 years | 4 of 100 (Routine) |
| 13 July 2026 | Grand Lake 1 NW, US | daily high min | 10.0 C (50.0 F) | 0.6 C (1.1 F) | 4 years | 11 of 100 (Routine) |
| 13 July 2026 | Grand Lake 1 NW, US | daily high max (Tie) | 31.1 C (88.0 F) | tie | 84 years | 8 of 100 (Routine) |
| 9 July 2026 | Grand Lake 1 NW, US | daily high min (Tie) | 9.4 C (48.9 F) | tie | 29 years | 4 of 100 (Routine) |
| 28 June 2026 | Grand Lake 1 NW, US | daily high min | 11.7 C (53.1 F) | 2.3 C (4.1 F) | 51 years | 31 of 100 (Routine) |
| 17 June 2026 | Grand Lake 1 NW, US | daily high min | 10.6 C (51.1 F) | 1.2 C (2.2 F) | 8 years | 14 of 100 (Routine) |
Climate Trend
78 complete years, 1940 to 2024| Year | Annual mean temperature | Difference from the station mean |
|---|---|---|
| 1940 | 3.7 C | +1.08 C |
| 1941 | 2.9 C | +0.21 C |
| 1942 | 1.8 C | -0.82 C |
| 1947 | 2.5 C | -0.14 C |
| 1948 | 2.1 C | -0.58 C |
| 1949 | 1.9 C | -0.78 C |
| 1950 | 2.0 C | -0.65 C |
| 1951 | 1.2 C | -1.42 C |
| 1952 | 1.1 C | -1.54 C |
| 1953 | 1.9 C | -0.76 C |
| 1954 | 3.2 C | +0.53 C |
| 1955 | 1.5 C | -1.16 C |
| 1956 | 1.2 C | -1.42 C |
| 1957 | 1.2 C | -1.41 C |
| 1958 | 2.1 C | -0.57 C |
| 1959 | 1.5 C | -1.11 C |
| 1960 | 2.0 C | -0.65 C |
| 1961 | 1.1 C | -1.53 C |
| 1962 | 1.8 C | -0.83 C |
| 1963 | 2.9 C | +0.22 C |
| 1964 | 0.8 C | -1.84 C |
| 1965 | 1.6 C | -1.09 C |
| 1966 | 1.8 C | -0.85 C |
| 1967 | 1.8 C | -0.88 C |
| 1968 | 1.1 C | -1.56 C |
| 1969 | 1.7 C | -0.91 C |
| 1970 | 1.3 C | -1.38 C |
| 1971 | 1.3 C | -1.33 C |
| 1972 | 1.6 C | -1.04 C |
| 1973 | 0.7 C | -1.99 C |
| 1975 | 1.3 C | -1.38 C |
| 1976 | 1.8 C | -0.82 C |
| 1977 | 2.6 C | -0.07 C |
| 1978 | 2.7 C | +0.02 C |
| 1979 | 2.0 C | -0.67 C |
| 1980 | 3.1 C | +0.43 C |
| 1981 | 3.6 C | +0.92 C |
| 1982 | 2.2 C | -0.49 C |
| 1983 | 2.9 C | +0.28 C |
| 1984 | 2.2 C | -0.43 C |
| 1985 | 2.6 C | -0.09 C |
| 1986 | 3.6 C | +0.97 C |
| 1987 | 3.3 C | +0.67 C |
| 1988 | 3.0 C | +0.38 C |
| 1989 | 3.3 C | +0.69 C |
| 1990 | 3.4 C | +0.74 C |
| 1991 | 2.6 C | 0.00 C |
| 1992 | 2.9 C | +0.21 C |
| 1993 | 2.5 C | -0.12 C |
| 1994 | 3.8 C | +1.17 C |
| 1995 | 3.5 C | +0.89 C |
| 1996 | 3.6 C | +0.97 C |
| 1997 | 3.2 C | +0.59 C |
| 1998 | 4.1 C | +1.47 C |
| 1999 | 4.1 C | +1.43 C |
| 2000 | 4.2 C | +1.58 C |
| 2001 | 4.5 C | +1.90 C |
| 2002 | 3.6 C | +0.95 C |
| 2003 | 4.3 C | +1.64 C |
| 2004 | 3.7 C | +1.04 C |
| 2005 | 3.8 C | +1.12 C |
| 2006 | 3.3 C | +0.67 C |
| 2007 | 3.9 C | +1.22 C |
| 2008 | 2.3 C | -0.35 C |
| 2010 | 3.0 C | +0.37 C |
| 2011 | 2.3 C | -0.37 C |
| 2012 | 4.0 C | +1.34 C |
| 2013 | 2.0 C | -0.62 C |
| 2014 | 3.0 C | +0.35 C |
| 2015 | 3.7 C | +1.02 C |
| 2016 | 3.3 C | +0.68 C |
| 2017 | 4.0 C | +1.34 C |
| 2018 | 3.3 C | +0.64 C |
| 2019 | 2.2 C | -0.44 C |
| 2020 | 3.5 C | +0.81 C |
| 2021 | 4.1 C | +1.50 C |
| 2022 | 2.8 C | +0.20 C |
| 2024 | 4.6 C | +1.98 C |
The annual mean temperature here has risen by 0.3 C (0.2 to 0.4) per decade over 1940 to 2024. In Fahrenheit: 0.5 F (0.4 to 0.6) per decade. The slope is a straight line fitted to 78 complete years; the brackets give its 95 percent interval.
| Measure | Per decade (C) | Per decade (F) | Period | Complete years | Reading |
|---|---|---|---|---|---|
| Annual mean temperature | 0.3 C (0.2 to 0.4) per decade | 0.5 F (0.4 to 0.6) per decade | 1940 to 2024 | 78 | Rise |
| Mean daily maximum | 0.1 C (0.1 to 0.2) per decade | 0.3 F (0.1 to 0.4) per decade | 1940 to 2024 | 78 | Rise |
| Mean daily minimum | 0.4 C (0.3 to 0.5) per decade | 0.7 F (0.6 to 0.9) per decade | 1940 to 2024 | 78 | 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
1907 to 2026| Measure | Record | Year of the record | Median year | Years with a value |
|---|---|---|---|---|
| Hottest day (TXx) | 33.3 C (91.9 F) | 1978 | 29.4 C (84.9 F) | 88 |
| Coldest night (TNn) | -41.7 C (-43.1 F) | 1963 | -31.7 C (-25.1 F) | 88 |
| Wettest day (Rx1day) | 81.3 mm (3.2 in) | 1985 | 24.1 mm (0.9 in) | 103 |
| Wettest five days (Rx5day) | 109.9 mm (4.3 in) | 1984 | 41.5 mm (1.6 in) | 103 |
| Longest dry spell (CDD) | 89 days | 1920 | 23 days | 103 |
Hottest day (TXx)
| Year | Hottest day (TXx) |
|---|---|
| 1907 | n/a |
| 1908 | n/a |
| 1909 | n/a |
| 1910 | n/a |
| 1911 | n/a |
| 1912 | n/a |
| 1913 | n/a |
| 1914 | n/a |
| 1915 | n/a |
| 1916 | n/a |
| 1917 | n/a |
| 1918 | n/a |
| 1919 | n/a |
| 1920 | n/a |
| 1921 | n/a |
| 1939 | 19.4 C (66.9 F) |
| 1940 | 30.6 C (87.1 F) |
| 1941 | 30.6 C (87.1 F) |
| 1942 | 31.1 C (88.0 F) |
| 1943 | 29.4 C (84.9 F) |
| 1944 | 30.0 C (86.0 F) |
| 1945 | 29.4 C (84.9 F) |
| 1946 | 27.2 C (81.0 F) |
| 1947 | 30.0 C (86.0 F) |
| 1948 | 29.4 C (84.9 F) |
| 1949 | 28.3 C (82.9 F) |
| 1950 | 27.8 C (82.0 F) |
| 1951 | 27.8 C (82.0 F) |
| 1952 | 27.8 C (82.0 F) |
| 1953 | 28.3 C (82.9 F) |
| 1954 | 32.2 C (90.0 F) |
| 1955 | 29.4 C (84.9 F) |
| 1956 | 27.2 C (81.0 F) |
| 1957 | 27.2 C (81.0 F) |
| 1958 | 30.6 C (87.1 F) |
| 1959 | 31.1 C (88.0 F) |
| 1960 | 31.7 C (89.1 F) |
| 1961 | 27.2 C (81.0 F) |
| 1962 | 27.8 C (82.0 F) |
| 1963 | 30.0 C (86.0 F) |
| 1964 | 28.3 C (82.9 F) |
| 1965 | 26.7 C (80.1 F) |
| 1966 | 27.8 C (82.0 F) |
| 1967 | 26.1 C (79.0 F) |
| 1968 | 26.1 C (79.0 F) |
| 1969 | 28.3 C (82.9 F) |
| 1970 | 27.8 C (82.0 F) |
| 1971 | 31.7 C (89.1 F) |
| 1972 | 27.8 C (82.0 F) |
| 1973 | 28.9 C (84.0 F) |
| 1974 | 26.7 C (80.1 F) |
| 1975 | 28.9 C (84.0 F) |
| 1976 | 27.8 C (82.0 F) |
| 1977 | 27.2 C (81.0 F) |
| 1978 | 33.3 C (91.9 F) |
| 1979 | 31.7 C (89.1 F) |
| 1980 | 30.0 C (86.0 F) |
| 1981 | 29.4 C (84.9 F) |
| 1982 | 31.1 C (88.0 F) |
| 1983 | 29.4 C (84.9 F) |
| 1984 | 28.3 C (82.9 F) |
| 1985 | 31.1 C (88.0 F) |
| 1986 | 29.4 C (84.9 F) |
| 1987 | 31.1 C (88.0 F) |
| 1988 | 31.7 C (89.1 F) |
| 1989 | 32.2 C (90.0 F) |
| 1990 | 31.1 C (88.0 F) |
| 1991 | 30.0 C (86.0 F) |
| 1992 | 27.8 C (82.0 F) |
| 1993 | 30.0 C (86.0 F) |
| 1994 | 31.7 C (89.1 F) |
| 1995 | 33.3 C (91.9 F) |
| 1996 | 32.2 C (90.0 F) |
| 1997 | 29.4 C (84.9 F) |
| 1998 | 31.7 C (89.1 F) |
| 1999 | 32.8 C (91.0 F) |
| 2000 | 31.7 C (89.1 F) |
| 2001 | 30.6 C (87.1 F) |
| 2002 | 32.2 C (90.0 F) |
| 2003 | 32.8 C (91.0 F) |
| 2004 | 30.6 C (87.1 F) |
| 2005 | 31.1 C (88.0 F) |
| 2006 | 31.7 C (89.1 F) |
| 2007 | 30.0 C (86.0 F) |
| 2008 | 30.6 C (87.1 F) |
| 2009 | 28.3 C (82.9 F) |
| 2010 | 28.9 C (84.0 F) |
| 2011 | 28.9 C (84.0 F) |
| 2012 | 30.0 C (86.0 F) |
| 2013 | 30.0 C (86.0 F) |
| 2014 | 29.4 C (84.9 F) |
| 2015 | 27.8 C (82.0 F) |
| 2016 | 29.4 C (84.9 F) |
| 2017 | 28.3 C (82.9 F) |
| 2018 | 28.9 C (84.0 F) |
| 2019 | 28.3 C (82.9 F) |
| 2020 | 29.4 C (84.9 F) |
| 2021 | 30.6 C (87.1 F) |
| 2022 | 29.4 C (84.9 F) |
| 2023 | 30.6 C (87.1 F) |
| 2024 | 31.1 C (88.0 F) |
| 2025 | 30.0 C (86.0 F) |
| 2026 | 31.7 C (89.1 F) |
Coldest night (TNn)
| Year | Coldest night (TNn) |
|---|---|
| 1907 | n/a |
| 1908 | n/a |
| 1909 | n/a |
| 1910 | n/a |
| 1911 | n/a |
| 1912 | n/a |
| 1913 | n/a |
| 1914 | n/a |
| 1915 | n/a |
| 1916 | n/a |
| 1917 | n/a |
| 1918 | n/a |
| 1919 | n/a |
| 1920 | n/a |
| 1921 | n/a |
| 1939 | -25.6 C (-14.1 F) |
| 1940 | -38.9 C (-38.0 F) |
| 1941 | -31.1 C (-24.0 F) |
| 1942 | -40.6 C (-41.1 F) |
| 1943 | -37.8 C (-36.0 F) |
| 1944 | -30.6 C (-23.1 F) |
| 1945 | -30.6 C (-23.1 F) |
| 1946 | -32.2 C (-26.0 F) |
| 1947 | -35.0 C (-31.0 F) |
| 1948 | -40.6 C (-41.1 F) |
| 1949 | -36.7 C (-34.1 F) |
| 1950 | -32.8 C (-27.0 F) |
| 1951 | -40.0 C (-40.0 F) |
| 1952 | -34.4 C (-29.9 F) |
| 1953 | -33.3 C (-27.9 F) |
| 1954 | -33.9 C (-29.0 F) |
| 1955 | -34.4 C (-29.9 F) |
| 1956 | -36.7 C (-34.1 F) |
| 1957 | -33.9 C (-29.0 F) |
| 1958 | -31.1 C (-24.0 F) |
| 1959 | -30.0 C (-22.0 F) |
| 1960 | -33.3 C (-27.9 F) |
| 1961 | -31.7 C (-25.1 F) |
| 1962 | -41.1 C (-42.0 F) |
| 1963 | -41.7 C (-43.1 F) |
| 1964 | -36.7 C (-34.1 F) |
| 1965 | -34.4 C (-29.9 F) |
| 1966 | -32.8 C (-27.0 F) |
| 1967 | -34.4 C (-29.9 F) |
| 1968 | -32.2 C (-26.0 F) |
| 1969 | -32.8 C (-27.0 F) |
| 1970 | -33.3 C (-27.9 F) |
| 1971 | -37.8 C (-36.0 F) |
| 1972 | -37.2 C (-35.0 F) |
| 1973 | -33.3 C (-27.9 F) |
| 1974 | -36.1 C (-33.0 F) |
| 1975 | -35.6 C (-32.1 F) |
| 1976 | -33.3 C (-27.9 F) |
| 1977 | -28.9 C (-20.0 F) |
| 1978 | -35.6 C (-32.1 F) |
| 1979 | -38.3 C (-36.9 F) |
| 1980 | -27.8 C (-18.0 F) |
| 1981 | -30.6 C (-23.1 F) |
| 1982 | -36.7 C (-34.1 F) |
| 1983 | -32.2 C (-26.0 F) |
| 1984 | -32.8 C (-27.0 F) |
| 1985 | -37.2 C (-35.0 F) |
| 1986 | -31.7 C (-25.1 F) |
| 1987 | -28.9 C (-20.0 F) |
| 1988 | -31.7 C (-25.1 F) |
| 1989 | -37.2 C (-35.0 F) |
| 1990 | -37.2 C (-35.0 F) |
| 1991 | -29.4 C (-20.9 F) |
| 1992 | -30.0 C (-22.0 F) |
| 1993 | -30.0 C (-22.0 F) |
| 1994 | -30.0 C (-22.0 F) |
| 1995 | -28.9 C (-20.0 F) |
| 1996 | -27.8 C (-18.0 F) |
| 1997 | -26.7 C (-16.1 F) |
| 1998 | -31.7 C (-25.1 F) |
| 1999 | -26.7 C (-16.1 F) |
| 2000 | -25.0 C (-13.0 F) |
| 2001 | -26.7 C (-16.1 F) |
| 2002 | -30.6 C (-23.1 F) |
| 2003 | -31.7 C (-25.1 F) |
| 2004 | -30.0 C (-22.0 F) |
| 2005 | -34.4 C (-29.9 F) |
| 2006 | -30.6 C (-23.1 F) |
| 2007 | -29.4 C (-20.9 F) |
| 2008 | -27.8 C (-18.0 F) |
| 2009 | -28.9 C (-20.0 F) |
| 2010 | -29.4 C (-20.9 F) |
| 2011 | -37.8 C (-36.0 F) |
| 2012 | -28.9 C (-20.0 F) |
| 2013 | -31.1 C (-24.0 F) |
| 2014 | -26.1 C (-15.0 F) |
| 2015 | -28.3 C (-18.9 F) |
| 2016 | -30.0 C (-22.0 F) |
| 2017 | -31.7 C (-25.1 F) |
| 2018 | -26.7 C (-16.1 F) |
| 2019 | -29.4 C (-20.9 F) |
| 2020 | -28.3 C (-18.9 F) |
| 2021 | -25.0 C (-13.0 F) |
| 2022 | -30.6 C (-23.1 F) |
| 2023 | -26.7 C (-16.1 F) |
| 2024 | -30.6 C (-23.1 F) |
| 2025 | -31.7 C (-25.1 F) |
| 2026 | -28.3 C (-18.9 F) |
Wettest day (Rx1day)
| Year | Wettest day (Rx1day) |
|---|---|
| 1907 | 17.0 mm (0.7 in) |
| 1908 | 10.2 mm (0.4 in) |
| 1909 | 68.6 mm (2.7 in) |
| 1910 | 25.4 mm (1.0 in) |
| 1911 | 27.9 mm (1.1 in) |
| 1912 | 35.6 mm (1.4 in) |
| 1913 | 38.1 mm (1.5 in) |
| 1914 | 27.2 mm (1.1 in) |
| 1915 | 25.4 mm (1.0 in) |
| 1916 | 30.7 mm (1.2 in) |
| 1917 | 48.8 mm (1.9 in) |
| 1918 | 25.4 mm (1.0 in) |
| 1919 | 25.4 mm (1.0 in) |
| 1920 | 24.1 mm (0.9 in) |
| 1921 | 16.5 mm (0.6 in) |
| 1939 | 22.9 mm (0.9 in) |
| 1940 | 19.8 mm (0.8 in) |
| 1941 | 41.4 mm (1.6 in) |
| 1942 | 29.2 mm (1.1 in) |
| 1943 | 21.1 mm (0.8 in) |
| 1944 | 19.3 mm (0.8 in) |
| 1945 | 15.2 mm (0.6 in) |
| 1946 | 15.5 mm (0.6 in) |
| 1947 | 25.1 mm (1.0 in) |
| 1948 | 12.2 mm (0.5 in) |
| 1949 | 17.8 mm (0.7 in) |
| 1950 | 18.5 mm (0.7 in) |
| 1951 | 22.1 mm (0.9 in) |
| 1952 | 16.5 mm (0.6 in) |
| 1953 | 35.1 mm (1.4 in) |
| 1954 | 36.8 mm (1.4 in) |
| 1955 | 23.4 mm (0.9 in) |
| 1956 | 18.8 mm (0.7 in) |
| 1957 | 24.9 mm (1.0 in) |
| 1958 | 17.3 mm (0.7 in) |
| 1959 | 25.4 mm (1.0 in) |
| 1960 | 27.2 mm (1.1 in) |
| 1961 | 47.0 mm (1.9 in) |
| 1962 | 21.6 mm (0.9 in) |
| 1963 | 21.6 mm (0.9 in) |
| 1964 | 23.1 mm (0.9 in) |
| 1965 | 21.6 mm (0.9 in) |
| 1966 | 25.4 mm (1.0 in) |
| 1967 | 20.3 mm (0.8 in) |
| 1968 | 20.3 mm (0.8 in) |
| 1969 | 50.0 mm (2.0 in) |
| 1970 | 25.1 mm (1.0 in) |
| 1971 | 32.8 mm (1.3 in) |
| 1972 | 21.6 mm (0.9 in) |
| 1973 | 39.9 mm (1.6 in) |
| 1974 | 29.7 mm (1.2 in) |
| 1975 | 24.6 mm (1.0 in) |
| 1976 | 18.3 mm (0.7 in) |
| 1977 | 27.9 mm (1.1 in) |
| 1978 | 22.4 mm (0.9 in) |
| 1979 | 21.3 mm (0.8 in) |
| 1980 | 24.1 mm (0.9 in) |
| 1981 | 15.5 mm (0.6 in) |
| 1982 | 18.0 mm (0.7 in) |
| 1983 | 24.6 mm (1.0 in) |
| 1984 | 56.4 mm (2.2 in) |
| 1985 | 81.3 mm (3.2 in) |
| 1986 | 48.5 mm (1.9 in) |
| 1987 | 24.1 mm (0.9 in) |
| 1988 | 29.2 mm (1.1 in) |
| 1989 | 16.8 mm (0.7 in) |
| 1990 | 15.7 mm (0.6 in) |
| 1991 | 21.8 mm (0.9 in) |
| 1992 | 24.9 mm (1.0 in) |
| 1993 | 44.7 mm (1.8 in) |
| 1994 | 15.2 mm (0.6 in) |
| 1995 | 28.2 mm (1.1 in) |
| 1996 | 18.8 mm (0.7 in) |
| 1997 | 24.6 mm (1.0 in) |
| 1998 | 26.7 mm (1.1 in) |
| 1999 | 44.5 mm (1.8 in) |
| 2000 | 20.1 mm (0.8 in) |
| 2001 | 18.3 mm (0.7 in) |
| 2002 | 16.5 mm (0.6 in) |
| 2003 | 45.0 mm (1.8 in) |
| 2004 | 27.7 mm (1.1 in) |
| 2005 | 30.5 mm (1.2 in) |
| 2006 | 17.3 mm (0.7 in) |
| 2007 | 19.1 mm (0.8 in) |
| 2008 | 47.2 mm (1.9 in) |
| 2009 | 16.0 mm (0.6 in) |
| 2010 | 19.1 mm (0.8 in) |
| 2011 | 24.6 mm (1.0 in) |
| 2012 | 22.9 mm (0.9 in) |
| 2013 | 23.4 mm (0.9 in) |
| 2014 | 30.5 mm (1.2 in) |
| 2015 | 28.4 mm (1.1 in) |
| 2016 | 20.3 mm (0.8 in) |
| 2017 | 38.1 mm (1.5 in) |
| 2018 | 20.3 mm (0.8 in) |
| 2019 | 38.1 mm (1.5 in) |
| 2020 | 21.1 mm (0.8 in) |
| 2021 | 29.2 mm (1.1 in) |
| 2022 | 16.5 mm (0.6 in) |
| 2023 | 22.9 mm (0.9 in) |
| 2024 | 33.8 mm (1.3 in) |
| 2025 | 16.5 mm (0.6 in) |
| 2026 | 13.2 mm (0.5 in) |
Wettest five days (Rx5day)
| Year | Wettest five days (Rx5day) |
|---|---|
| 1907 | 24.7 mm (1.0 in) |
| 1908 | 18.4 mm (0.7 in) |
| 1909 | 68.6 mm (2.7 in) |
| 1910 | 31.8 mm (1.3 in) |
| 1911 | 40.6 mm (1.6 in) |
| 1912 | 58.6 mm (2.3 in) |
| 1913 | 51.8 mm (2.0 in) |
| 1914 | 32.0 mm (1.3 in) |
| 1915 | 50.8 mm (2.0 in) |
| 1916 | 38.9 mm (1.5 in) |
| 1917 | 55.6 mm (2.2 in) |
| 1918 | 50.0 mm (2.0 in) |
| 1919 | 41.9 mm (1.6 in) |
| 1920 | 30.2 mm (1.2 in) |
| 1921 | 12.9 mm (0.5 in) |
| 1939 | 22.9 mm (0.9 in) |
| 1940 | 39.9 mm (1.6 in) |
| 1941 | 52.8 mm (2.1 in) |
| 1942 | 48.7 mm (1.9 in) |
| 1943 | 44.7 mm (1.8 in) |
| 1944 | 25.7 mm (1.0 in) |
| 1945 | 39.9 mm (1.6 in) |
| 1946 | 25.6 mm (1.0 in) |
| 1947 | 40.6 mm (1.6 in) |
| 1948 | 38.9 mm (1.5 in) |
| 1949 | 29.8 mm (1.2 in) |
| 1950 | 33.0 mm (1.3 in) |
| 1951 | 48.7 mm (1.9 in) |
| 1952 | 49.5 mm (1.9 in) |
| 1953 | 70.7 mm (2.8 in) |
| 1954 | 47.2 mm (1.9 in) |
| 1955 | 42.9 mm (1.7 in) |
| 1956 | 37.9 mm (1.5 in) |
| 1957 | 57.9 mm (2.3 in) |
| 1958 | 45.1 mm (1.8 in) |
| 1959 | 54.9 mm (2.2 in) |
| 1960 | 43.4 mm (1.7 in) |
| 1961 | 99.4 mm (3.9 in) |
| 1962 | 31.8 mm (1.3 in) |
| 1963 | 50.8 mm (2.0 in) |
| 1964 | 41.3 mm (1.6 in) |
| 1965 | 38.6 mm (1.5 in) |
| 1966 | 48.3 mm (1.9 in) |
| 1967 | 43.0 mm (1.7 in) |
| 1968 | 36.3 mm (1.4 in) |
| 1969 | 72.2 mm (2.8 in) |
| 1970 | 40.6 mm (1.6 in) |
| 1971 | 47.5 mm (1.9 in) |
| 1972 | 36.1 mm (1.4 in) |
| 1973 | 59.7 mm (2.4 in) |
| 1974 | 41.0 mm (1.6 in) |
| 1975 | 31.1 mm (1.2 in) |
| 1976 | 41.5 mm (1.6 in) |
| 1977 | 48.2 mm (1.9 in) |
| 1978 | 58.5 mm (2.3 in) |
| 1979 | 41.9 mm (1.6 in) |
| 1980 | 55.2 mm (2.2 in) |
| 1981 | 29.3 mm (1.2 in) |
| 1982 | 36.5 mm (1.4 in) |
| 1983 | 46.8 mm (1.8 in) |
| 1984 | 109.9 mm (4.3 in) |
| 1985 | 88.7 mm (3.5 in) |
| 1986 | 95.0 mm (3.7 in) |
| 1987 | 33.1 mm (1.3 in) |
| 1988 | 33.8 mm (1.3 in) |
| 1989 | 33.8 mm (1.3 in) |
| 1990 | 33.6 mm (1.3 in) |
| 1991 | 34.2 mm (1.3 in) |
| 1992 | 45.7 mm (1.8 in) |
| 1993 | 45.7 mm (1.8 in) |
| 1994 | 28.5 mm (1.1 in) |
| 1995 | 41.5 mm (1.6 in) |
| 1996 | 42.9 mm (1.7 in) |
| 1997 | 51.1 mm (2.0 in) |
| 1998 | 44.7 mm (1.8 in) |
| 1999 | 61.2 mm (2.4 in) |
| 2000 | 36.5 mm (1.4 in) |
| 2001 | 30.5 mm (1.2 in) |
| 2002 | 23.5 mm (0.9 in) |
| 2003 | 79.3 mm (3.1 in) |
| 2004 | 50.6 mm (2.0 in) |
| 2005 | 63.2 mm (2.5 in) |
| 2006 | 27.9 mm (1.1 in) |
| 2007 | 32.1 mm (1.3 in) |
| 2008 | 51.1 mm (2.0 in) |
| 2009 | 31.2 mm (1.2 in) |
| 2010 | 37.4 mm (1.5 in) |
| 2011 | 40.2 mm (1.6 in) |
| 2012 | 35.1 mm (1.4 in) |
| 2013 | 51.9 mm (2.0 in) |
| 2014 | 60.5 mm (2.4 in) |
| 2015 | 56.1 mm (2.2 in) |
| 2016 | 32.2 mm (1.3 in) |
| 2017 | 46.2 mm (1.8 in) |
| 2018 | 29.4 mm (1.2 in) |
| 2019 | 56.9 mm (2.2 in) |
| 2020 | 54.1 mm (2.1 in) |
| 2021 | 42.2 mm (1.7 in) |
| 2022 | 29.2 mm (1.1 in) |
| 2023 | 27.0 mm (1.1 in) |
| 2024 | 34.6 mm (1.4 in) |
| 2025 | 31.2 mm (1.2 in) |
| 2026 | 29.2 mm (1.1 in) |
Longest dry spell (CDD)
| Year | Longest dry spell (CDD) |
|---|---|
| 1907 | 59 days |
| 1908 | 22 days |
| 1909 | 40 days |
| 1910 | 27 days |
| 1911 | 38 days |
| 1912 | 30 days |
| 1913 | 24 days |
| 1914 | 44 days |
| 1915 | 24 days |
| 1916 | 49 days |
| 1917 | 33 days |
| 1918 | 30 days |
| 1919 | 38 days |
| 1920 | 89 days |
| 1921 | 18 days |
| 1939 | 32 days |
| 1940 | 27 days |
| 1941 | 22 days |
| 1942 | 36 days |
| 1943 | 25 days |
| 1944 | 48 days |
| 1945 | 15 days |
| 1946 | 30 days |
| 1947 | 24 days |
| 1948 | 23 days |
| 1949 | 12 days |
| 1950 | 31 days |
| 1951 | 17 days |
| 1952 | 33 days |
| 1953 | 23 days |
| 1954 | 18 days |
| 1955 | 22 days |
| 1956 | 22 days |
| 1957 | 16 days |
| 1958 | 24 days |
| 1959 | 19 days |
| 1960 | 21 days |
| 1961 | 16 days |
| 1962 | 26 days |
| 1963 | 28 days |
| 1964 | 24 days |
| 1965 | 21 days |
| 1966 | 19 days |
| 1967 | 10 days |
| 1968 | 23 days |
| 1969 | 22 days |
| 1970 | 17 days |
| 1971 | 18 days |
| 1972 | 20 days |
| 1973 | 20 days |
| 1974 | 25 days |
| 1975 | 22 days |
| 1976 | 19 days |
| 1977 | 22 days |
| 1978 | 27 days |
| 1979 | 25 days |
| 1980 | 29 days |
| 1981 | 27 days |
| 1982 | 19 days |
| 1983 | 14 days |
| 1984 | 16 days |
| 1985 | 17 days |
| 1986 | 24 days |
| 1987 | 30 days |
| 1988 | 16 days |
| 1989 | 23 days |
| 1990 | 21 days |
| 1991 | 23 days |
| 1992 | 29 days |
| 1993 | 15 days |
| 1994 | 44 days |
| 1995 | 15 days |
| 1996 | 35 days |
| 1997 | 22 days |
| 1998 | 22 days |
| 1999 | 38 days |
| 2000 | 21 days |
| 2001 | 20 days |
| 2002 | 18 days |
| 2003 | 23 days |
| 2004 | 16 days |
| 2005 | 26 days |
| 2006 | 17 days |
| 2007 | 29 days |
| 2008 | 20 days |
| 2009 | 15 days |
| 2010 | 25 days |
| 2011 | 19 days |
| 2012 | 24 days |
| 2013 | 30 days |
| 2014 | 23 days |
| 2015 | 43 days |
| 2016 | 28 days |
| 2017 | 24 days |
| 2018 | 19 days |
| 2019 | 23 days |
| 2020 | 40 days |
| 2021 | 30 days |
| 2022 | 25 days |
| 2023 | 17 days |
| 2024 | 28 days |
| 2025 | 24 days |
| 2026 | 26 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
78 years with a frostAcross 78 years with a frost, the median last spring frost at Grand Lake 1 NW falls on 26 June and the median first autumn frost on 10 July, which leaves a median of 17 days between them.
In 1993 to 2024 the median growing season was 54 days. That is 50 days more than in 1940 to 1973.
Fitted over all years, the growing season changes by +6.9 days per decade at this station.
| Measure | Median, all years | Earliest period (1940 to 1973) | Recent period (1993 to 2024) | Recent against earliest | Fitted trend |
|---|---|---|---|---|---|
| Last spring frost | 26 June | 29 June | 22 June | 7 days earlier | -1.7 days per decade |
| First autumn frost | 10 July | 2 July | 14 August | 43 days later | +5.1 days per decade |
| Growing days | 17 days | 4 days | 54 days | 50 days more | +6.9 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
89 years, 1911 to 2025A day with at least 24.0 mm (0.9 in) of rain is expected about once in 2 years. A day with at least 70.5 mm (2.8 in) of rain is expected about once in 100 years.
| Expected about once in | A day with at least | Note |
|---|---|---|
| 2 years | 24.0 mm (0.9 in) | |
| 5 years | 32.6 mm (1.3 in) | |
| 10 years | 39.6 mm (1.6 in) | |
| 25 years | 50.2 mm (2.0 in) | |
| 50 years | 59.6 mm (2.3 in) | |
| 100 years | 70.5 mm (2.8 in) | Longer than the 89 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, 89 years of values from 1911 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: 81.3 mm (3.2 in) in 1985; 56.4 mm (2.2 in) in 1984; 50.0 mm (2.0 in) in 1969.
Station Changes
3 suspected3 changes were suspected in the annual mean temperature of Grand Lake 1 NW, at 1982, 1996 and 2005. Each is measured against neighbouring stations.
- Relative to 5 neighbouring stations, the station's annual mean temperature from 1982 ran 0.6 C (1.0 F) higher than in the years before (likely change).
- Relative to 5 neighbouring stations, the station's annual mean temperature from 1996 ran 0.2 C (0.4 F) higher than in the years before (possible change).
- Relative to 5 neighbouring stations, the station's annual mean temperature from 2005 ran 0.6 C (1.1 F) lower than in the years before (likely change).
| Year | Shift (C) | Shift (F) | Strength | Neighbours |
|---|---|---|---|---|
| 1982 | +0.6 | +1.0 | likely | 5 |
| 1996 | +0.2 | +0.4 | possible | 5 |
| 2005 | -0.6 | -1.1 | likely | 5 |
Possible change at the station (a move, a new instrument or a new site); the record is kept as measured. A "likely" change has a larger test statistic than a "possible" one. Neither says why the station differs from its neighbours. How changes are found, and the largest ones.
Climate Twins
2008 to 2024 against 1961 to 1990Over 2008 to 2024, Grand Lake 1 NW had a mean temperature of 3.2 C (37.8 F) and 424.0 mm (16.7 in) of rain a year. The 3 stations whose 1961 to 1990 climate was closest to that are Lake City (United States, 280 km away), Jackson (United States, 543 km away) and Lake George 8 SW (United States, 154 km away).
| Twin station | Country | Distance away | Mean temperature, 1961-1990 | Rain a year, 1961-1990 | Climate difference |
|---|---|---|---|---|---|
| Lake City | United States | 280 km (174 mi) | 3.6 C (38.5 F) | 342.4 mm (13.5 in) | 0.91 |
| Jackson | United States | 543 km (337 mi) | 3.3 C (38.0 F) | 413.8 mm (16.3 in) | 0.97 |
| Lake George 8 SW | United States | 154 km (96 mi) | 3.4 C (38.0 F) | 323.9 mm (12.8 in) | 1.00 |
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
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).