Washington 3 SSW Weather Records (USC00448902)
Record envelope, standing records and threshold days for Washington 3 SSW (USC00448902), Virginia, United States, with 52 years of record.
Key Facts for Washington 3 SSW
- Washington 3 SSW (USC00448902) is a weather station in Virginia, United States at 38.67 latitude and -78.18 longitude, 195 m (640 ft) above sea level.
- The station reports from 1944 to 1995, 52 years of record.
- 1,464 records set at Washington 3 SSW still stand.
- Records are tracked for prcp, snow, snwd: an element needs 30 years of data to be eligible.
- Washington 3 SSW tied a daily record precipitation of 19.1 mm (0.8 in) on 15 January 1995.
About the Station
- Location: Virginia, United States, 38.67 latitude, -78.18 longitude.
- Elevation: 195 m (640 ft).
- Period of record: 1944 to 1995, 52 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 | 25.6 C (78.1 F) | -27.2 C (-17.0 F) | n/a | n/a |
| Feb | 24.4 C (75.9 F) | -21.1 C (-6.0 F) | n/a | n/a |
| Mar | 31.1 C (88.0 F) | -16.1 C (3.0 F) | n/a | n/a |
| Apr | 34.4 C (93.9 F) | -9.4 C (15.1 F) | n/a | n/a |
| May | 35.6 C (96.1 F) | -3.3 C (26.1 F) | n/a | n/a |
| Jun | 36.7 C (98.1 F) | 1.7 C (35.1 F) | n/a | n/a |
| Jul | 38.9 C (102.0 F) | 7.2 C (45.0 F) | n/a | n/a |
| Aug | 37.2 C (99.0 F) | 5.0 C (41.0 F) | n/a | n/a |
| Sep | 36.7 C (98.1 F) | -2.8 C (27.0 F) | n/a | n/a |
| Oct | 32.2 C (90.0 F) | -10.0 C (14.0 F) | n/a | n/a |
| Nov | 29.4 C (84.9 F) | -13.3 C (8.1 F) | n/a | n/a |
| Dec | 26.1 C (79.0 F) | -22.2 C (-8.0 F) | n/a | n/a |
Which Years Hold Standing Records
1,464 standing records| Year set | Standing records |
|---|---|
| 1955 | 60 |
| 1956 | 78 |
| 1957 | 64 |
| 1958 | 47 |
| 1959 | 76 |
| 1960 | 76 |
| 1961 | 72 |
| 1962 | 72 |
| 1963 | 78 |
| 1964 | 54 |
| 1965 | 47 |
| 1966 | 66 |
| 1967 | 65 |
| 1968 | 53 |
| 1969 | 55 |
| 1970 | 37 |
| 1971 | 53 |
| 1972 | 50 |
| 1973 | 35 |
| 1974 | 57 |
| 1975 | 35 |
| 1976 | 47 |
| 1977 | 51 |
| 1978 | 32 |
| 1979 | 21 |
| 1980 | 36 |
| 1981 | 1 |
| 1994 | 41 |
| 1995 | 5 |
Wettest Day of Each Month
Aug: 126.5 mm (5.0 in)| Month | Record daily precipitation (mm) | Date |
|---|---|---|
| Jan | 52.8 mm (2.1 in) | 14 January 1968 |
| Feb | 52.1 mm (2.1 in) | 4 February 1952 |
| Mar | 61.0 mm (2.4 in) | 7 March 1967 |
| Apr | 71.9 mm (2.8 in) | 29 April 1964 |
| May | 83.3 mm (3.3 in) | 3 May 1949 |
| Jun | 94.2 mm (3.7 in) | 22 June 1972 |
| Jul | 111.8 mm (4.4 in) | 13 July 1964 |
| Aug | 126.5 mm (5.0 in) | 6 August 1952 |
| Sep | 83.8 mm (3.3 in) | 11 September 1968 |
| Oct | 108.0 mm (4.3 in) | 9 October 1976 |
| Nov | 86.4 mm (3.4 in) | 13 November 1970 |
| Dec | 89.2 mm (3.5 in) | 2 December 1974 |
Period of Record Coverage
1955 to 1995| Year | Days with data | Share of year | Complete |
|---|---|---|---|
| 1955 | 300 | 82% | No |
| 1956 | 365 | 100% | Yes |
| 1957 | 365 | 100% | Yes |
| 1958 | 362 | 99% | Yes |
| 1959 | 361 | 99% | Yes |
| 1960 | 364 | 99% | Yes |
| 1961 | 365 | 100% | Yes |
| 1962 | 365 | 100% | Yes |
| 1963 | 363 | 99% | Yes |
| 1964 | 263 | 72% | No |
| 1965 | 274 | 75% | No |
| 1966 | 361 | 99% | Yes |
| 1967 | 365 | 100% | Yes |
| 1968 | 330 | 90% | Yes |
| 1969 | 362 | 99% | Yes |
| 1970 | 334 | 92% | Yes |
| 1971 | 362 | 99% | Yes |
| 1972 | 336 | 92% | Yes |
| 1973 | 325 | 89% | No |
| 1974 | 356 | 98% | Yes |
| 1975 | 348 | 95% | Yes |
| 1976 | 363 | 99% | Yes |
| 1977 | 355 | 97% | Yes |
| 1978 | 302 | 83% | No |
| 1979 | 188 | 52% | No |
| 1980 | 299 | 82% | No |
| 1981 | 13 | 4% | No |
| 1994 | 282 | 77% | No |
| 1995 | 14 | 4% | No |
Latest Records
20| Date | Station | Record | Value | Beat old record by | Old record stood | Significance |
|---|---|---|---|---|---|---|
| 15 January 1995 | Washington 3 SSW, US | daily rain (Tie) | 19.1 mm (0.8 in) | tie | 36 years | 4 of 100 (Routine) |
| 7 January 1995 | Washington 3 SSW, US | daily rain | 24.1 mm (0.9 in) | 15.2 mm (0.6 in) | 32 years | 20 of 100 (Routine) |
| 7 January 1995 | Washington 3 SSW, US | daily snowfall | 2.5 cm (1.0 in) | 2.5 cm (1.0 in) | 49 years | 20 of 100 (Routine) |
| 28 July 1994 | Washington 3 SSW, US | daily rain | 45.7 mm (1.8 in) | 11.9 mm (0.5 in) | 36 years | 24 of 100 (Routine) |
| 26 July 1994 | Washington 3 SSW, US | daily rain | 50.8 mm (2.0 in) | 11.4 mm (0.4 in) | 15 years | 17 of 100 (Routine) |
| 18 July 1994 | Washington 3 SSW, US | daily rain | 53.3 mm (2.1 in) | 10.6 mm (0.4 in) | 37 years | 24 of 100 (Routine) |
| 28 June 1994 | Washington 3 SSW, US | daily rain | 25.4 mm (1.0 in) | 10.2 mm (0.4 in) | 16 years | 16 of 100 (Routine) |
| 17 June 1994 | Washington 3 SSW, US | daily rain | 38.1 mm (1.5 in) | 12.7 mm (0.5 in) | 17 years | 19 of 100 (Routine) |
| 16 April 1994 | Washington 3 SSW, US | daily rain | 45.5 mm (1.8 in) | 25.9 mm (1.0 in) | 32 years | 36 of 100 (Notable) |
| 29 March 1994 | Washington 3 SSW, US | daily rain | 30.5 mm (1.2 in) | 10.4 mm (0.4 in) | 13 years | 18 of 100 (Routine) |
| 28 March 1994 | Washington 3 SSW, US | daily rain | 20.3 mm (0.8 in) | 13.9 mm (0.5 in) | 35 years | 20 of 100 (Routine) |
| 27 March 1994 | Washington 3 SSW, US | daily rain | 21.6 mm (0.9 in) | 1.5 mm (0.06 in) | 36 years | 16 of 100 (Routine) |
| 10 March 1994 | Washington 3 SSW, US | daily rain | 30.2 mm (1.2 in) | 16.2 mm (0.6 in) | 36 years | 29 of 100 (Routine) |
| 7 March 1994 | Washington 3 SSW, US | daily snow depth | 5.1 cm (2.0 in) | 2.6 cm (1.0 in) | 45 years | 20 of 100 (Routine) |
| 6 March 1994 | Washington 3 SSW, US | daily snow depth | 10.2 cm (4.0 in) | 10.2 cm (4.0 in) | 44 years | 28 of 100 (Routine) |
| 5 March 1994 | Washington 3 SSW, US | daily snow depth | 15.2 cm (6.0 in) | 15.2 cm (6.0 in) | 44 years | 33 of 100 (Routine) |
| 4 March 1994 | Washington 3 SSW, US | daily snow depth | 22.9 cm (9.0 in) | 12.7 cm (5.0 in) | 13 years | 21 of 100 (Routine) |
| 3 March 1994 | Washington 3 SSW, US | monthly snow depth | 30.5 cm (12.0 in) | 12.7 cm (5.0 in) | 14 years | 31 of 100 (Routine) |
| 3 March 1994 | Washington 3 SSW, US | daily rain | 30.5 mm (1.2 in) | 5.9 mm (0.23 in) | 33 years | 20 of 100 (Routine) |
| 3 March 1994 | Washington 3 SSW, US | daily snowfall (Tie) | 12.7 cm (5.0 in) | tie | 47 years | 4 of 100 (Routine) |
Climate Trend
15 complete years, 1956 to 1977| Year | Annual mean temperature | Difference from the station mean |
|---|---|---|
| 1956 | 12.1 C | +0.69 C |
| 1957 | 12.3 C | +0.87 C |
| 1958 | 11.0 C | -0.43 C |
| 1959 | 12.3 C | +0.85 C |
| 1960 | 11.0 C | -0.42 C |
| 1961 | 11.8 C | +0.33 C |
| 1962 | 11.1 C | -0.39 C |
| 1963 | 11.1 C | -0.38 C |
| 1966 | 11.3 C | -0.17 C |
| 1967 | 10.9 C | -0.53 C |
| 1969 | 11.0 C | -0.43 C |
| 1971 | 11.7 C | +0.25 C |
| 1974 | 11.8 C | +0.32 C |
| 1976 | 10.9 C | -0.58 C |
| 1977 | 11.5 C | +0.06 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
1944 to 1995| Measure | Record | Year of the record | Median year | Years with a value |
|---|---|---|---|---|
| Hottest day (TXx) | 38.9 C (102.0 F) | 1966 | 35.6 C (96.1 F) | 29 |
| Coldest night (TNn) | -27.2 C (-17.0 F) | 1994 | -18.3 C (-0.9 F) | 29 |
| Wettest day (Rx1day) | 126.5 mm (5.0 in) | 1952 | 66.8 mm (2.6 in) | 40 |
| Wettest five days (Rx5day) | 176.8 mm (7.0 in) | 1976 | 100.8 mm (4.0 in) | 40 |
| Longest dry spell (CDD) | 38 days | 1953 | 21 days | 40 |
Hottest day (TXx)
| Year | Hottest day (TXx) |
|---|---|
| 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 | 37.2 C (99.0 F) |
| 1956 | 37.2 C (99.0 F) |
| 1957 | 37.2 C (99.0 F) |
| 1958 | 33.3 C (91.9 F) |
| 1959 | 37.8 C (100.0 F) |
| 1960 | 35.0 C (95.0 F) |
| 1961 | 35.0 C (95.0 F) |
| 1962 | 35.6 C (96.1 F) |
| 1963 | 36.1 C (97.0 F) |
| 1964 | 36.7 C (98.1 F) |
| 1965 | 36.7 C (98.1 F) |
| 1966 | 38.9 C (102.0 F) |
| 1967 | 34.4 C (93.9 F) |
| 1968 | 36.7 C (98.1 F) |
| 1969 | 36.7 C (98.1 F) |
| 1970 | 36.1 C (97.0 F) |
| 1971 | 33.9 C (93.0 F) |
| 1972 | 35.0 C (95.0 F) |
| 1973 | 34.4 C (93.9 F) |
| 1974 | 33.9 C (93.0 F) |
| 1975 | 33.9 C (93.0 F) |
| 1976 | 34.4 C (93.9 F) |
| 1977 | 38.3 C (100.9 F) |
| 1978 | 34.4 C (93.9 F) |
| 1979 | 32.2 C (90.0 F) |
| 1980 | 37.8 C (100.0 F) |
| 1981 | 14.4 C (57.9 F) |
| 1994 | 35.6 C (96.1 F) |
| 1995 | 20.6 C (69.1 F) |
Coldest night (TNn)
| Year | Coldest night (TNn) |
|---|---|
| 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 | -13.3 C (8.1 F) |
| 1956 | -12.8 C (9.0 F) |
| 1957 | -22.8 C (-9.0 F) |
| 1958 | -16.7 C (1.9 F) |
| 1959 | -18.9 C (-2.0 F) |
| 1960 | -22.2 C (-8.0 F) |
| 1961 | -23.3 C (-9.9 F) |
| 1962 | -17.8 C (0.0 F) |
| 1963 | -20.6 C (-5.1 F) |
| 1964 | -18.9 C (-2.0 F) |
| 1965 | -13.3 C (8.1 F) |
| 1966 | -20.6 C (-5.1 F) |
| 1967 | -21.1 C (-6.0 F) |
| 1968 | -18.9 C (-2.0 F) |
| 1969 | -18.9 C (-2.0 F) |
| 1970 | -20.6 C (-5.1 F) |
| 1971 | -17.2 C (1.0 F) |
| 1972 | -19.4 C (-2.9 F) |
| 1973 | -15.6 C (3.9 F) |
| 1974 | -14.4 C (6.1 F) |
| 1975 | -17.8 C (0.0 F) |
| 1976 | -17.8 C (0.0 F) |
| 1977 | -20.0 C (-4.0 F) |
| 1978 | -14.4 C (6.1 F) |
| 1979 | -4.4 C (24.1 F) |
| 1980 | -17.8 C (0.0 F) |
| 1981 | -18.3 C (-0.9 F) |
| 1994 | -27.2 C (-17.0 F) |
| 1995 | -13.9 C (7.0 F) |
Wettest day (Rx1day)
| Year | Wettest day (Rx1day) |
|---|---|
| 1944 | 28.2 mm (1.1 in) |
| 1945 | 81.8 mm (3.2 in) |
| 1946 | 75.7 mm (3.0 in) |
| 1947 | 49.0 mm (1.9 in) |
| 1948 | 53.3 mm (2.1 in) |
| 1949 | 83.3 mm (3.3 in) |
| 1950 | 82.6 mm (3.3 in) |
| 1951 | 57.2 mm (2.3 in) |
| 1952 | 126.5 mm (5.0 in) |
| 1953 | 43.9 mm (1.7 in) |
| 1954 | 93.7 mm (3.7 in) |
| 1955 | 109.2 mm (4.3 in) |
| 1956 | 70.4 mm (2.8 in) |
| 1957 | 47.5 mm (1.9 in) |
| 1958 | 43.2 mm (1.7 in) |
| 1959 | 66.8 mm (2.6 in) |
| 1960 | 57.4 mm (2.3 in) |
| 1961 | 49.0 mm (1.9 in) |
| 1962 | 73.2 mm (2.9 in) |
| 1963 | 55.9 mm (2.2 in) |
| 1964 | 111.8 mm (4.4 in) |
| 1965 | 47.0 mm (1.9 in) |
| 1966 | 74.7 mm (2.9 in) |
| 1967 | 72.1 mm (2.8 in) |
| 1968 | 83.8 mm (3.3 in) |
| 1969 | 50.3 mm (2.0 in) |
| 1970 | 86.4 mm (3.4 in) |
| 1971 | 48.0 mm (1.9 in) |
| 1972 | 94.2 mm (3.7 in) |
| 1973 | 66.8 mm (2.6 in) |
| 1974 | 89.2 mm (3.5 in) |
| 1975 | 68.3 mm (2.7 in) |
| 1976 | 108.0 mm (4.3 in) |
| 1977 | 58.7 mm (2.3 in) |
| 1978 | 44.5 mm (1.8 in) |
| 1979 | 88.9 mm (3.5 in) |
| 1980 | 58.4 mm (2.3 in) |
| 1981 | 3.8 mm (0.15 in) |
| 1994 | 63.5 mm (2.5 in) |
| 1995 | 24.1 mm (0.9 in) |
Wettest five days (Rx5day)
| Year | Wettest five days (Rx5day) |
|---|---|
| 1944 | 18.9 mm (0.7 in) |
| 1945 | 137.2 mm (5.4 in) |
| 1946 | 110.8 mm (4.4 in) |
| 1947 | 67.0 mm (2.6 in) |
| 1948 | 169.3 mm (6.7 in) |
| 1949 | 89.9 mm (3.5 in) |
| 1950 | 115.1 mm (4.5 in) |
| 1951 | 78.7 mm (3.1 in) |
| 1952 | 158.0 mm (6.2 in) |
| 1953 | 57.6 mm (2.3 in) |
| 1954 | 116.6 mm (4.6 in) |
| 1955 | 172.5 mm (6.8 in) |
| 1956 | 170.7 mm (6.7 in) |
| 1957 | 63.0 mm (2.5 in) |
| 1958 | 71.6 mm (2.8 in) |
| 1959 | 112.8 mm (4.4 in) |
| 1960 | 85.6 mm (3.4 in) |
| 1961 | 69.3 mm (2.7 in) |
| 1962 | 80.3 mm (3.2 in) |
| 1963 | 74.8 mm (2.9 in) |
| 1964 | 116.9 mm (4.6 in) |
| 1965 | 50.3 mm (2.0 in) |
| 1966 | 113.1 mm (4.5 in) |
| 1967 | 160.2 mm (6.3 in) |
| 1968 | 97.8 mm (3.9 in) |
| 1969 | 82.1 mm (3.2 in) |
| 1970 | 145.6 mm (5.7 in) |
| 1971 | 92.3 mm (3.6 in) |
| 1972 | 112.5 mm (4.4 in) |
| 1973 | 110.5 mm (4.4 in) |
| 1974 | 93.0 mm (3.7 in) |
| 1975 | 125.4 mm (4.9 in) |
| 1976 | 176.8 mm (7.0 in) |
| 1977 | 103.7 mm (4.1 in) |
| 1978 | 80.1 mm (3.2 in) |
| 1979 | 171.2 mm (6.7 in) |
| 1980 | 87.6 mm (3.4 in) |
| 1981 | 3.8 mm (0.15 in) |
| 1994 | 144.7 mm (5.7 in) |
| 1995 | 27.1 mm (1.1 in) |
Longest dry spell (CDD)
| Year | Longest dry spell (CDD) |
|---|---|
| 1944 | 9 days |
| 1945 | 27 days |
| 1946 | 26 days |
| 1947 | 21 days |
| 1948 | 25 days |
| 1949 | 23 days |
| 1950 | 26 days |
| 1951 | 23 days |
| 1952 | 30 days |
| 1953 | 38 days |
| 1954 | 24 days |
| 1955 | 28 days |
| 1956 | 19 days |
| 1957 | 15 days |
| 1958 | 19 days |
| 1959 | 22 days |
| 1960 | 20 days |
| 1961 | 15 days |
| 1962 | 21 days |
| 1963 | 33 days |
| 1964 | 15 days |
| 1965 | 23 days |
| 1966 | 20 days |
| 1967 | 14 days |
| 1968 | 29 days |
| 1969 | 19 days |
| 1970 | 17 days |
| 1971 | 21 days |
| 1972 | 15 days |
| 1973 | 18 days |
| 1974 | 18 days |
| 1975 | 24 days |
| 1976 | 28 days |
| 1977 | 25 days |
| 1978 | 25 days |
| 1979 | 12 days |
| 1980 | 21 days |
| 1981 | 20 days |
| 1994 | 21 days |
| 1995 | 5 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
32 years, 1945 to 1994A day with at least 68.4 mm (2.7 in) of rain is expected about once in 2 years. A day with at least 136.0 mm (5.4 in) of rain is expected about once in 100 years.
| Expected about once in | A day with at least | Note |
|---|---|---|
| 2 years | 68.4 mm (2.7 in) | |
| 5 years | 87.4 mm (3.4 in) | |
| 10 years | 99.6 mm (3.9 in) | |
| 25 years | 114.6 mm (4.5 in) | |
| 50 years | 125.5 mm (4.9 in) | Longer than the 32 years of record |
| 100 years | 136.0 mm (5.4 in) | Longer than the 32 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, 32 years of values from 1945 to 1994.
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: 126.5 mm (5.0 in) in 1952; 109.2 mm (4.3 in) in 1955; 108.0 mm (4.3 in) in 1976.
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 (2025-12-31).