Randolph 5 NNE Weather Records (USC00447025)
Record envelope, standing records and threshold days for Randolph 5 NNE (USC00447025), Virginia, United States, with 79 years of record.
Key Facts for Randolph 5 NNE
- Randolph 5 NNE (USC00447025) is a weather station in Virginia, United States at 36.98 latitude and -78.70 longitude, 107 m (351 ft) above sea level.
- The station reports from 1905 to 1983, 79 years of record.
- 1,434 records set at Randolph 5 NNE still stand.
- Records are tracked for prcp, snow, snwd: an element needs 30 years of data to be eligible.
- Randolph 5 NNE set a daily record precipitation of 63.5 mm (2.5 in) on 25 November 1983.
About the Station
- Location: Virginia, United States, 36.98 latitude, -78.70 longitude.
- Elevation: 107 m (351 ft).
- Period of record: 1905 to 1983, 79 years.
- Eligible elements: prcp, snow, snwd.
Daily Record Envelope and 2026
0 days at or beyond a record| Month | Highest record high | Lowest record low | 2026 highest maximum | 2026 lowest minimum |
|---|---|---|---|---|
| Jan | 21.7 C (71.1 F) | -11.1 C (12.0 F) | n/a | n/a |
| Feb | 22.2 C (72.0 F) | -7.2 C (19.0 F) | n/a | n/a |
| Mar | 31.7 C (89.1 F) | -5.6 C (21.9 F) | n/a | n/a |
| Apr | 32.8 C (91.0 F) | -3.9 C (25.0 F) | n/a | n/a |
| May | 33.3 C (91.9 F) | 2.2 C (36.0 F) | n/a | n/a |
| Jun | 38.3 C (100.9 F) | 7.2 C (45.0 F) | n/a | n/a |
| Jul | 37.2 C (99.0 F) | 16.7 C (62.1 F) | n/a | n/a |
| Aug | 38.3 C (100.9 F) | 10.6 C (51.1 F) | n/a | n/a |
| Sep | 40.0 C (104.0 F) | 7.2 C (45.0 F) | n/a | n/a |
| Oct | 31.1 C (88.0 F) | -5.6 C (21.9 F) | n/a | n/a |
| Nov | 26.7 C (80.1 F) | -7.8 C (18.0 F) | n/a | n/a |
| Dec | 18.3 C (64.9 F) | -11.7 C (10.9 F) | n/a | n/a |
Which Years Hold Standing Records
1,434 standing records| Year set | Standing records |
|---|---|
| 1920 | 428 |
| 1921 | 1,005 |
| 1941 | 1 |
All-Time Record Progression
3 new records| Date | Kind | Detail |
|---|---|---|
| 1940-08-15 | Record daily precipitation | Record daily precipitation 175.3 mm (6.9 in) |
| 1944-09-19 | Record daily precipitation | Record daily precipitation 225.6 mm (8.9 in) |
| 1947-09-25 | Record daily precipitation | Record daily precipitation 241.6 mm (9.5 in) |
Wettest Day of Each Month
Sep: 241.6 mm (9.5 in)| Month | Record daily precipitation (mm) | Date |
|---|---|---|
| Jan | 77.5 mm (3.1 in) | 12 January 1918 |
| Feb | 81.3 mm (3.2 in) | 4 February 1920 |
| Mar | 89.2 mm (3.5 in) | 30 March 1975 |
| Apr | 96.5 mm (3.8 in) | 27 April 1978 |
| May | 62.7 mm (2.5 in) | 26 May 1948 |
| Jun | 134.6 mm (5.3 in) | 16 June 1916 |
| Jul | 160.3 mm (6.3 in) | 14 July 1975 |
| Aug | 175.3 mm (6.9 in) | 15 August 1940 |
| Sep | 241.6 mm (9.5 in) | 25 September 1947 |
| Oct | 95.0 mm (3.7 in) | 24 October 1971 |
| Nov | 93.5 mm (3.7 in) | 28 November 1944 |
| Dec | 88.9 mm (3.5 in) | 29 December 1958 |
Period of Record Coverage
1920 to 1921| Year | Days with data | Share of year | Complete |
|---|---|---|---|
| 1920 | 128 | 35% | No |
| 1921 | 269 | 74% | No |
Latest Records
20| Date | Station | Record | Value | Beat old record by | Old record stood | Significance |
|---|---|---|---|---|---|---|
| 25 November 1983 | Randolph 5 NNE, US | daily rain | 63.5 mm (2.5 in) | 12.4 mm (0.5 in) | 12 years | 19 of 100 (Routine) |
| 23 May 1983 | Randolph 5 NNE, US | daily rain | 56.9 mm (2.2 in) | 23.9 mm (0.9 in) | 28 years | 35 of 100 (Notable) |
| 16 April 1983 | Randolph 5 NNE, US | daily rain | 69.9 mm (2.8 in) | 19.1 mm (0.8 in) | 53 years | 38 of 100 (Notable) |
| 28 March 1983 | Randolph 5 NNE, US | daily rain | 39.9 mm (1.6 in) | 6.9 mm (0.27 in) | 50 years | 28 of 100 (Routine) |
| 19 March 1983 | Randolph 5 NNE, US | daily rain | 28.7 mm (1.1 in) | 2.5 mm (0.10 in) | 8 years | 11 of 100 (Routine) |
| 8 March 1983 | Randolph 5 NNE, US | daily rain | 22.4 mm (0.9 in) | 2.1 mm (0.08 in) | 41 years | 20 of 100 (Routine) |
| 16 December 1982 | Randolph 5 NNE, US | daily rain | 38.1 mm (1.5 in) | 10.7 mm (0.4 in) | 35 years | 26 of 100 (Routine) |
| 5 July 1982 | Randolph 5 NNE, US | daily rain | 51.1 mm (2.0 in) | 5.9 mm (0.23 in) | 9 years | 12 of 100 (Routine) |
| 14 June 1982 | Randolph 5 NNE, US | daily rain | 40.6 mm (1.6 in) | 17.7 mm (0.7 in) | 75 years | 41 of 100 (Notable) |
| 3 February 1982 | Randolph 5 NNE, US | daily rain | 26.9 mm (1.1 in) | 3.8 mm (0.15 in) | 12 years | 13 of 100 (Routine) |
| 15 December 1981 | Randolph 5 NNE, US | daily rain | 28.2 mm (1.1 in) | 10.9 mm (0.4 in) | 63 years | 34 of 100 (Routine) |
| 27 October 1981 | Randolph 5 NNE, US | daily rain | 46.7 mm (1.8 in) | 23.8 mm (0.9 in) | 72 years | 44 of 100 (Notable) |
| 4 July 1981 | Randolph 5 NNE, US | daily rain | 58.4 mm (2.3 in) | 1.2 mm (0.05 in) | 59 years | 24 of 100 (Routine) |
| 7 June 1981 | Randolph 5 NNE, US | daily rain | 55.4 mm (2.2 in) | 17.8 mm (0.7 in) | 64 years | 38 of 100 (Notable) |
| 19 October 1980 | Randolph 5 NNE, US | daily rain | 50.8 mm (2.0 in) | 6.9 mm (0.27 in) | 14 years | 15 of 100 (Routine) |
| 23 July 1980 | Randolph 5 NNE, US | daily rain | 77.2 mm (3.0 in) | 55.6 mm (2.2 in) | 57 years | 60 of 100 (Major) |
| 21 May 1980 | Randolph 5 NNE, US | daily rain | 58.4 mm (2.3 in) | 6.3 mm (0.25 in) | 40 years | 24 of 100 (Routine) |
| 3 October 1979 | Randolph 5 NNE, US | daily rain | 74.7 mm (2.9 in) | 24.7 mm (1.0 in) | 2 years | 24 of 100 (Routine) |
| 22 September 1979 | Randolph 5 NNE, US | daily rain | 128.3 mm (5.1 in) | 97.8 mm (3.9 in) | 65 years | 66 of 100 (Major) |
| 6 September 1979 | Randolph 5 NNE, US | daily rain | 57.7 mm (2.3 in) | 5.6 mm (0.22 in) | 50 years | 24 of 100 (Routine) |
Extremes by Year
1905 to 1983| Measure | Record | Year of the record | Median year | Years with a value |
|---|---|---|---|---|
| Hottest day (TXx) | 40.0 C (104.0 F) | 1921 | 37.0 C (98.5 F) | 2 |
| Coldest night (TNn) | -11.7 C (10.9 F) | 1920 | -11.1 C (12.0 F) | 3 |
| Wettest day (Rx1day) | 241.6 mm (9.5 in) | 1947 | 58.7 mm (2.3 in) | 79 |
| Wettest five days (Rx5day) | 283.4 mm (11.2 in) | 1908 | 101.6 mm (4.0 in) | 79 |
| Longest dry spell (CDD) | 40 days | 1919 | 23 days | 79 |
Hottest day (TXx)
| Year | Hottest day (TXx) |
|---|---|
| 1905 | n/a |
| 1906 | n/a |
| 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 | 33.9 C (93.0 F) |
| 1921 | 40.0 C (104.0 F) |
| 1922 | n/a |
| 1923 | n/a |
| 1924 | n/a |
| 1925 | n/a |
| 1926 | n/a |
| 1927 | n/a |
| 1928 | n/a |
| 1929 | n/a |
| 1930 | n/a |
| 1931 | n/a |
| 1932 | n/a |
| 1933 | n/a |
| 1934 | n/a |
| 1935 | n/a |
| 1936 | n/a |
| 1937 | n/a |
| 1938 | n/a |
| 1939 | n/a |
| 1940 | n/a |
| 1941 | n/a |
| 1942 | n/a |
| 1943 | n/a |
| 1944 | n/a |
| 1945 | n/a |
| 1946 | n/a |
| 1947 | n/a |
| 1948 | n/a |
| 1949 | n/a |
| 1950 | n/a |
| 1951 | n/a |
| 1952 | n/a |
| 1953 | n/a |
| 1954 | n/a |
| 1955 | n/a |
| 1956 | n/a |
| 1957 | n/a |
| 1958 | n/a |
| 1959 | n/a |
| 1960 | n/a |
| 1961 | n/a |
| 1962 | n/a |
| 1963 | n/a |
| 1964 | n/a |
| 1965 | n/a |
| 1966 | n/a |
| 1967 | n/a |
| 1968 | n/a |
| 1969 | n/a |
| 1970 | n/a |
| 1971 | n/a |
| 1972 | n/a |
| 1973 | n/a |
| 1974 | n/a |
| 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 |
Coldest night (TNn)
| Year | Coldest night (TNn) |
|---|---|
| 1905 | n/a |
| 1906 | n/a |
| 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 | -11.7 C (10.9 F) |
| 1921 | -11.1 C (12.0 F) |
| 1922 | n/a |
| 1923 | n/a |
| 1924 | n/a |
| 1925 | n/a |
| 1926 | n/a |
| 1927 | n/a |
| 1928 | n/a |
| 1929 | n/a |
| 1930 | n/a |
| 1931 | n/a |
| 1932 | n/a |
| 1933 | n/a |
| 1934 | n/a |
| 1935 | n/a |
| 1936 | n/a |
| 1937 | n/a |
| 1938 | n/a |
| 1939 | n/a |
| 1940 | n/a |
| 1941 | -5.6 C (21.9 F) |
| 1942 | n/a |
| 1943 | n/a |
| 1944 | n/a |
| 1945 | n/a |
| 1946 | n/a |
| 1947 | n/a |
| 1948 | n/a |
| 1949 | n/a |
| 1950 | n/a |
| 1951 | n/a |
| 1952 | n/a |
| 1953 | n/a |
| 1954 | n/a |
| 1955 | n/a |
| 1956 | n/a |
| 1957 | n/a |
| 1958 | n/a |
| 1959 | n/a |
| 1960 | n/a |
| 1961 | n/a |
| 1962 | n/a |
| 1963 | n/a |
| 1964 | n/a |
| 1965 | n/a |
| 1966 | n/a |
| 1967 | n/a |
| 1968 | n/a |
| 1969 | n/a |
| 1970 | n/a |
| 1971 | n/a |
| 1972 | n/a |
| 1973 | n/a |
| 1974 | n/a |
| 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 |
Wettest day (Rx1day)
| Year | Wettest day (Rx1day) |
|---|---|
| 1905 | 43.2 mm (1.7 in) |
| 1906 | 50.8 mm (2.0 in) |
| 1907 | 50.8 mm (2.0 in) |
| 1908 | 126.5 mm (5.0 in) |
| 1909 | 38.1 mm (1.5 in) |
| 1910 | 37.6 mm (1.5 in) |
| 1911 | 76.2 mm (3.0 in) |
| 1912 | 66.0 mm (2.6 in) |
| 1913 | 61.2 mm (2.4 in) |
| 1914 | 47.0 mm (1.9 in) |
| 1915 | 74.9 mm (2.9 in) |
| 1916 | 134.6 mm (5.3 in) |
| 1917 | 50.8 mm (2.0 in) |
| 1918 | 77.5 mm (3.1 in) |
| 1919 | 48.0 mm (1.9 in) |
| 1920 | 81.3 mm (3.2 in) |
| 1921 | 50.8 mm (2.0 in) |
| 1922 | 63.5 mm (2.5 in) |
| 1923 | 38.1 mm (1.5 in) |
| 1924 | 54.6 mm (2.1 in) |
| 1925 | 35.6 mm (1.4 in) |
| 1926 | 42.7 mm (1.7 in) |
| 1927 | 58.4 mm (2.3 in) |
| 1928 | 55.4 mm (2.2 in) |
| 1929 | 55.9 mm (2.2 in) |
| 1930 | 43.2 mm (1.7 in) |
| 1931 | 52.1 mm (2.1 in) |
| 1932 | 50.8 mm (2.0 in) |
| 1933 | 52.1 mm (2.1 in) |
| 1934 | 54.6 mm (2.1 in) |
| 1935 | 50.8 mm (2.0 in) |
| 1936 | 53.3 mm (2.1 in) |
| 1937 | 77.0 mm (3.0 in) |
| 1938 | 85.1 mm (3.4 in) |
| 1939 | 42.2 mm (1.7 in) |
| 1940 | 175.3 mm (6.9 in) |
| 1941 | 45.2 mm (1.8 in) |
| 1942 | 57.2 mm (2.3 in) |
| 1943 | 45.5 mm (1.8 in) |
| 1944 | 225.6 mm (8.9 in) |
| 1945 | 130.6 mm (5.1 in) |
| 1946 | 80.3 mm (3.2 in) |
| 1947 | 241.6 mm (9.5 in) |
| 1948 | 62.7 mm (2.5 in) |
| 1949 | 73.7 mm (2.9 in) |
| 1950 | 59.2 mm (2.3 in) |
| 1951 | 61.5 mm (2.4 in) |
| 1952 | 70.1 mm (2.8 in) |
| 1953 | 47.8 mm (1.9 in) |
| 1954 | 52.8 mm (2.1 in) |
| 1955 | 119.4 mm (4.7 in) |
| 1956 | 51.8 mm (2.0 in) |
| 1957 | 96.5 mm (3.8 in) |
| 1958 | 88.9 mm (3.5 in) |
| 1959 | 59.7 mm (2.4 in) |
| 1960 | 76.2 mm (3.0 in) |
| 1961 | 91.4 mm (3.6 in) |
| 1962 | 66.0 mm (2.6 in) |
| 1963 | 47.0 mm (1.9 in) |
| 1964 | 85.1 mm (3.4 in) |
| 1965 | 90.2 mm (3.6 in) |
| 1966 | 71.1 mm (2.8 in) |
| 1967 | 41.1 mm (1.6 in) |
| 1968 | 55.6 mm (2.2 in) |
| 1969 | 44.2 mm (1.7 in) |
| 1970 | 56.4 mm (2.2 in) |
| 1971 | 101.6 mm (4.0 in) |
| 1972 | 128.0 mm (5.0 in) |
| 1973 | 45.7 mm (1.8 in) |
| 1974 | 122.7 mm (4.8 in) |
| 1975 | 160.3 mm (6.3 in) |
| 1976 | 58.7 mm (2.3 in) |
| 1977 | 48.3 mm (1.9 in) |
| 1978 | 96.5 mm (3.8 in) |
| 1979 | 128.3 mm (5.1 in) |
| 1980 | 77.2 mm (3.0 in) |
| 1981 | 58.4 mm (2.3 in) |
| 1982 | 51.1 mm (2.0 in) |
| 1983 | 69.9 mm (2.8 in) |
Wettest five days (Rx5day)
| Year | Wettest five days (Rx5day) |
|---|---|
| 1905 | 76.1 mm (3.0 in) |
| 1906 | 57.2 mm (2.3 in) |
| 1907 | 79.2 mm (3.1 in) |
| 1908 | 283.4 mm (11.2 in) |
| 1909 | 91.0 mm (3.6 in) |
| 1910 | 68.6 mm (2.7 in) |
| 1911 | 127.0 mm (5.0 in) |
| 1912 | 124.5 mm (4.9 in) |
| 1913 | 75.3 mm (3.0 in) |
| 1914 | 77.2 mm (3.0 in) |
| 1915 | 142.7 mm (5.6 in) |
| 1916 | 145.0 mm (5.7 in) |
| 1917 | 116.6 mm (4.6 in) |
| 1918 | 96.3 mm (3.8 in) |
| 1919 | 125.7 mm (4.9 in) |
| 1920 | 101.6 mm (4.0 in) |
| 1921 | 77.5 mm (3.1 in) |
| 1922 | 106.7 mm (4.2 in) |
| 1923 | 74.9 mm (2.9 in) |
| 1924 | 107.9 mm (4.2 in) |
| 1925 | 82.1 mm (3.2 in) |
| 1926 | 61.0 mm (2.4 in) |
| 1927 | 117.6 mm (4.6 in) |
| 1928 | 101.2 mm (4.0 in) |
| 1929 | 118.9 mm (4.7 in) |
| 1930 | 44.0 mm (1.7 in) |
| 1931 | 103.0 mm (4.1 in) |
| 1932 | 95.3 mm (3.8 in) |
| 1933 | 98.9 mm (3.9 in) |
| 1934 | 124.0 mm (4.9 in) |
| 1935 | 90.0 mm (3.5 in) |
| 1936 | 88.9 mm (3.5 in) |
| 1937 | 135.4 mm (5.3 in) |
| 1938 | 95.3 mm (3.8 in) |
| 1939 | 59.2 mm (2.3 in) |
| 1940 | 206.3 mm (8.1 in) |
| 1941 | 55.6 mm (2.2 in) |
| 1942 | 164.4 mm (6.5 in) |
| 1943 | 66.8 mm (2.6 in) |
| 1944 | 248.0 mm (9.8 in) |
| 1945 | 268.2 mm (10.6 in) |
| 1946 | 97.1 mm (3.8 in) |
| 1947 | 246.9 mm (9.7 in) |
| 1948 | 117.4 mm (4.6 in) |
| 1949 | 142.3 mm (5.6 in) |
| 1950 | 96.7 mm (3.8 in) |
| 1951 | 80.0 mm (3.1 in) |
| 1952 | 105.4 mm (4.1 in) |
| 1953 | 76.8 mm (3.0 in) |
| 1954 | 89.2 mm (3.5 in) |
| 1955 | 210.1 mm (8.3 in) |
| 1956 | 74.1 mm (2.9 in) |
| 1957 | 162.1 mm (6.4 in) |
| 1958 | 101.6 mm (4.0 in) |
| 1959 | 109.2 mm (4.3 in) |
| 1960 | 111.8 mm (4.4 in) |
| 1961 | 130.3 mm (5.1 in) |
| 1962 | 71.2 mm (2.8 in) |
| 1963 | 68.6 mm (2.7 in) |
| 1964 | 114.8 mm (4.5 in) |
| 1965 | 102.6 mm (4.0 in) |
| 1966 | 114.3 mm (4.5 in) |
| 1967 | 51.7 mm (2.0 in) |
| 1968 | 86.8 mm (3.4 in) |
| 1969 | 54.7 mm (2.2 in) |
| 1970 | 81.8 mm (3.2 in) |
| 1971 | 204.0 mm (8.0 in) |
| 1972 | 172.0 mm (6.8 in) |
| 1973 | 71.5 mm (2.8 in) |
| 1974 | 142.3 mm (5.6 in) |
| 1975 | 236.2 mm (9.3 in) |
| 1976 | 82.3 mm (3.2 in) |
| 1977 | 111.8 mm (4.4 in) |
| 1978 | 169.1 mm (6.7 in) |
| 1979 | 149.1 mm (5.9 in) |
| 1980 | 87.4 mm (3.4 in) |
| 1981 | 114.3 mm (4.5 in) |
| 1982 | 86.6 mm (3.4 in) |
| 1983 | 82.9 mm (3.3 in) |
Longest dry spell (CDD)
| Year | Longest dry spell (CDD) |
|---|---|
| 1905 | 20 days |
| 1906 | 23 days |
| 1907 | 20 days |
| 1908 | 22 days |
| 1909 | 23 days |
| 1910 | 14 days |
| 1911 | 32 days |
| 1912 | 19 days |
| 1913 | 15 days |
| 1914 | 28 days |
| 1915 | 22 days |
| 1916 | 23 days |
| 1917 | 29 days |
| 1918 | 23 days |
| 1919 | 40 days |
| 1920 | 27 days |
| 1921 | 28 days |
| 1922 | 36 days |
| 1923 | 23 days |
| 1924 | 25 days |
| 1925 | 11 days |
| 1926 | 20 days |
| 1927 | 13 days |
| 1928 | 16 days |
| 1929 | 18 days |
| 1930 | 33 days |
| 1931 | 21 days |
| 1932 | 33 days |
| 1933 | 23 days |
| 1934 | 14 days |
| 1935 | 16 days |
| 1936 | 24 days |
| 1937 | 11 days |
| 1938 | 26 days |
| 1939 | 16 days |
| 1940 | 13 days |
| 1941 | 23 days |
| 1942 | 22 days |
| 1943 | 33 days |
| 1944 | 29 days |
| 1945 | 23 days |
| 1946 | 25 days |
| 1947 | 16 days |
| 1948 | 19 days |
| 1949 | 20 days |
| 1950 | 22 days |
| 1951 | 22 days |
| 1952 | 23 days |
| 1953 | 31 days |
| 1954 | 24 days |
| 1955 | 20 days |
| 1956 | 20 days |
| 1957 | 17 days |
| 1958 | 21 days |
| 1959 | 35 days |
| 1960 | 17 days |
| 1961 | 15 days |
| 1962 | 26 days |
| 1963 | 33 days |
| 1964 | 31 days |
| 1965 | 33 days |
| 1966 | 24 days |
| 1967 | 28 days |
| 1968 | 25 days |
| 1969 | 17 days |
| 1970 | 26 days |
| 1971 | 16 days |
| 1972 | 14 days |
| 1973 | 27 days |
| 1974 | 25 days |
| 1975 | 24 days |
| 1976 | 20 days |
| 1977 | 19 days |
| 1978 | 23 days |
| 1979 | 12 days |
| 1980 | 28 days |
| 1981 | 18 days |
| 1982 | 28 days |
| 1983 | 19 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
70 years, 1905 to 1982A day with at least 59.6 mm (2.3 in) of rain is expected about once in 2 years. A day with at least 252.9 mm (10.0 in) of rain is expected about once in 100 years.
| Expected about once in | A day with at least | Note |
|---|---|---|
| 2 years | 59.6 mm (2.3 in) | |
| 5 years | 85.1 mm (3.4 in) | |
| 10 years | 109.3 mm (4.3 in) | |
| 25 years | 152.1 mm (6.0 in) | |
| 50 years | 195.8 mm (7.7 in) | |
| 100 years | 252.9 mm (10.0 in) | Longer than the 70 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, 70 years of values from 1905 to 1982.
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: 241.6 mm (9.5 in) in 1947; 225.6 mm (8.9 in) in 1944; 175.3 mm (6.9 in) in 1940.
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 2026-10-15 (15 October 2026). Records are computed by this site and are not official.
Data as of . Last revised (2025-12-31).