Georgetown 5 SW Weather Records (USC00073570)
Record envelope, standing records and threshold days for Georgetown 5 SW (USC00073570), Delaware, United States, with 52 years of record.
Key Facts for Georgetown 5 SW
- Georgetown 5 SW (USC00073570) is a weather station in Delaware, United States at 38.63 latitude and -75.45 longitude, 14 m (45 ft) above sea level.
- The station reports from 1946 to 1997, 52 years of record.
- 1,464 records set at Georgetown 5 SW still stand.
- Records are tracked for tmax, tmin, prcp, snow, snwd: an element needs 30 years of data to be eligible.
- Georgetown 5 SW set a daily record low minimum temperature of 3.9 C (39.0 F) on 29 May 1997.
About the Station
- Location: Delaware, United States, 38.63 latitude, -75.45 longitude.
- Elevation: 14 m (45 ft).
- Period of record: 1946 to 1997, 52 years.
- Eligible elements: tmax, tmin, 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 | 23.9 C (75.0 F) | -25.0 C (-13.0 F) | n/a | n/a |
| Feb | 24.4 C (75.9 F) | -22.2 C (-8.0 F) | n/a | n/a |
| Mar | 30.6 C (87.1 F) | -16.1 C (3.0 F) | n/a | n/a |
| Apr | 33.9 C (93.0 F) | -6.7 C (19.9 F) | n/a | n/a |
| May | 36.7 C (98.1 F) | -3.3 C (26.1 F) | n/a | n/a |
| Jun | 38.3 C (100.9 F) | 1.7 C (35.1 F) | n/a | n/a |
| Jul | 38.9 C (102.0 F) | 6.1 C (43.0 F) | n/a | n/a |
| Aug | 37.8 C (100.0 F) | 5.6 C (42.1 F) | n/a | n/a |
| Sep | 36.7 C (98.1 F) | 0.0 C (32.0 F) | n/a | n/a |
| Oct | 32.8 C (91.0 F) | -6.1 C (21.0 F) | n/a | n/a |
| Nov | 30.0 C (86.0 F) | -10.0 C (14.0 F) | n/a | n/a |
| Dec | 25.0 C (77.0 F) | -21.7 C (-7.1 F) | n/a | n/a |
Which Years Hold Standing Records
1,464 standing records| Year set | Standing records |
|---|---|
| 1946 | 12 |
| 1947 | 38 |
| 1948 | 38 |
| 1949 | 35 |
| 1950 | 47 |
| 1951 | 29 |
| 1952 | 32 |
| 1953 | 39 |
| 1954 | 44 |
| 1955 | 24 |
| 1956 | 36 |
| 1957 | 42 |
| 1958 | 29 |
| 1959 | 42 |
| 1960 | 33 |
| 1961 | 25 |
| 1962 | 26 |
| 1963 | 36 |
| 1964 | 40 |
| 1965 | 32 |
| 1966 | 30 |
| 1967 | 32 |
| 1968 | 16 |
| 1969 | 19 |
| 1970 | 26 |
| 1971 | 25 |
| 1972 | 31 |
| 1973 | 26 |
| 1974 | 34 |
| 1975 | 16 |
| 1976 | 42 |
| 1977 | 33 |
| 1978 | 22 |
| 1979 | 43 |
| 1980 | 20 |
| 1981 | 13 |
| 1982 | 20 |
| 1983 | 19 |
| 1984 | 25 |
| 1985 | 28 |
| 1986 | 20 |
| 1987 | 21 |
| 1988 | 29 |
| 1989 | 44 |
| 1990 | 22 |
| 1991 | 25 |
| 1992 | 19 |
| 1993 | 17 |
| 1994 | 15 |
| 1995 | 16 |
| 1996 | 31 |
| 1997 | 6 |
All-Time Record Progression
4 new records| Date | Kind | Detail |
|---|---|---|
| 1982-01-18 | Record low maximum temperature | Record low maximum temperature -12.2 C (10.0 F) |
| 1985-08-19 | Record daily precipitation | Record daily precipitation 151.1 mm (5.9 in) |
| 1987-01-28 | Record low minimum temperature | Record low minimum temperature -25.0 C (-13.0 F) |
| 1994-01-20 | Record low maximum temperature | Record low maximum temperature -12.8 C (9.0 F) |
Wettest Day of Each Month
Aug: 151.1 mm (5.9 in)| Month | Record daily precipitation (mm) | Date |
|---|---|---|
| Jan | 68.8 mm (2.7 in) | 13 January 1948 |
| Feb | 59.7 mm (2.4 in) | 12 February 1988 |
| Mar | 64.5 mm (2.5 in) | 12 March 1963 |
| Apr | 58.2 mm (2.3 in) | 5 April 1984 |
| May | 73.4 mm (2.9 in) | 26 May 1948 |
| Jun | 65.8 mm (2.6 in) | 16 June 1948 |
| Jul | 88.9 mm (3.5 in) | 15 July 1967 |
| Aug | 151.1 mm (5.9 in) | 19 August 1985 |
| Sep | 134.6 mm (5.3 in) | 12 September 1960 |
| Oct | 77.7 mm (3.1 in) | 6 October 1948 |
| Nov | 70.4 mm (2.8 in) | 13 November 1975 |
| Dec | 92.7 mm (3.6 in) | 19 December 1977 |
Period of Record Coverage
1946 to 1997| Year | Days with data | Share of year | Complete |
|---|---|---|---|
| 1946 | 109 | 30% | No |
| 1947 | 365 | 100% | Yes |
| 1948 | 366 | 100% | Yes |
| 1949 | 364 | 100% | Yes |
| 1950 | 365 | 100% | Yes |
| 1951 | 365 | 100% | Yes |
| 1952 | 365 | 100% | Yes |
| 1953 | 362 | 99% | Yes |
| 1954 | 364 | 100% | Yes |
| 1955 | 364 | 100% | Yes |
| 1956 | 366 | 100% | Yes |
| 1957 | 362 | 99% | Yes |
| 1958 | 364 | 100% | Yes |
| 1959 | 362 | 99% | Yes |
| 1960 | 364 | 99% | Yes |
| 1961 | 364 | 100% | Yes |
| 1962 | 358 | 98% | Yes |
| 1963 | 362 | 99% | Yes |
| 1964 | 363 | 99% | Yes |
| 1965 | 363 | 99% | Yes |
| 1966 | 359 | 98% | Yes |
| 1967 | 356 | 98% | Yes |
| 1968 | 357 | 98% | Yes |
| 1969 | 356 | 98% | Yes |
| 1970 | 365 | 100% | Yes |
| 1971 | 365 | 100% | Yes |
| 1972 | 366 | 100% | Yes |
| 1973 | 364 | 100% | Yes |
| 1974 | 365 | 100% | Yes |
| 1975 | 363 | 99% | Yes |
| 1976 | 365 | 100% | Yes |
| 1977 | 365 | 100% | Yes |
| 1978 | 365 | 100% | Yes |
| 1979 | 364 | 100% | Yes |
| 1980 | 366 | 100% | Yes |
| 1981 | 365 | 100% | Yes |
| 1982 | 365 | 100% | Yes |
| 1983 | 365 | 100% | Yes |
| 1984 | 366 | 100% | Yes |
| 1985 | 365 | 100% | Yes |
| 1986 | 365 | 100% | Yes |
| 1987 | 365 | 100% | Yes |
| 1988 | 366 | 100% | Yes |
| 1989 | 365 | 100% | Yes |
| 1990 | 365 | 100% | Yes |
| 1991 | 365 | 100% | Yes |
| 1992 | 366 | 100% | Yes |
| 1993 | 365 | 100% | Yes |
| 1994 | 365 | 100% | Yes |
| 1995 | 365 | 100% | Yes |
| 1996 | 366 | 100% | Yes |
| 1997 | 120 | 33% | No |
Latest Records
20| Date | Station | Record | Value | Beat old record by | Old record stood | Significance |
|---|---|---|---|---|---|---|
| 29 May 1997 | Georgetown 5 SW, US | daily low min | 3.9 C (39.0 F) | 0.5 C (0.9 F) | 44 years | 19 of 100 (Routine) |
| 20 May 1997 | Georgetown 5 SW, US | daily high min | 20.0 C (68.0 F) | 0.6 C (1.1 F) | 50 years | 21 of 100 (Routine) |
| 19 April 1997 | Georgetown 5 SW, US | daily low max | 9.4 C (48.9 F) | 0.6 C (1.1 F) | 14 years | 10 of 100 (Routine) |
| 13 April 1997 | Georgetown 5 SW, US | daily high min | 12.8 C (55.0 F) | 1.7 C (3.1 F) | 23 years | 14 of 100 (Routine) |
| 8 April 1997 | Georgetown 5 SW, US | daily high min (Tie) | 15.0 C (59.0 F) | tie | 43 years | 4 of 100 (Routine) |
| 28 February 1997 | Georgetown 5 SW, US | daily high min | 11.7 C (53.1 F) | 2.8 C (5.0 F) | 1 year | 9 of 100 (Routine) |
| 22 February 1997 | Georgetown 5 SW, US | daily high max | 22.2 C (72.0 F) | 1.1 C (2.0 F) | 8 years | 8 of 100 (Routine) |
| 9 February 1997 | Georgetown 5 SW, US | daily snowfall | 6.4 cm (2.5 in) | 6.4 cm (2.5 in) | 50 years | 30 of 100 (Routine) |
| 16 January 1997 | Georgetown 5 SW, US | daily rain | 14.0 mm (0.6 in) | 1.3 mm (0.05 in) | 6 years | 7 of 100 (Routine) |
| 18 December 1996 | Georgetown 5 SW, US | daily high min (Tie) | 7.2 C (45.0 F) | tie | 12 years | 2 of 100 (Routine) |
| 14 December 1996 | Georgetown 5 SW, US | daily rain | 54.1 mm (2.1 in) | 18.0 mm (0.7 in) | 43 years | 33 of 100 (Routine) |
| 29 November 1996 | Georgetown 5 SW, US | daily low max | -0.6 C (30.9 F) | 5.0 C (9.0 F) | 46 years | 27 of 100 (Routine) |
| 28 November 1996 | Georgetown 5 SW, US | daily low max | 3.3 C (37.9 F) | 1.1 C (2.0 F) | 46 years | 20 of 100 (Routine) |
| 18 November 1996 | Georgetown 5 SW, US | daily low min | -6.1 C (21.0 F) | 0.5 C (0.9 F) | 37 years | 16 of 100 (Routine) |
| 15 November 1996 | Georgetown 5 SW, US | daily low max | 2.2 C (36.0 F) | 2.8 C (5.0 F) | 10 years | 13 of 100 (Routine) |
| 14 November 1996 | Georgetown 5 SW, US | daily low max (Tie) | 5.0 C (41.0 F) | tie | 19 years | 2 of 100 (Routine) |
| 13 November 1996 | Georgetown 5 SW, US | daily low min | -6.1 C (21.0 F) | 0.5 C (0.9 F) | 44 years | 18 of 100 (Routine) |
| 8 November 1996 | Georgetown 5 SW, US | daily high min | 17.8 C (64.0 F) | 2.8 C (5.0 F) | 19 years | 14 of 100 (Routine) |
| 8 November 1996 | Georgetown 5 SW, US | daily high max | 24.4 C (75.9 F) | 0.5 C (0.9 F) | 18 years | 10 of 100 (Routine) |
| 4 November 1996 | Georgetown 5 SW, US | daily low max (Tie) | 8.9 C (48.0 F) | tie | 34 years | 3 of 100 (Routine) |
Climate Trend
50 complete years, 1947 to 1996| Year | Annual mean temperature | Difference from the station mean |
|---|---|---|
| 1947 | 12.9 C | -0.07 C |
| 1948 | 12.9 C | -0.07 C |
| 1949 | 14.1 C | +1.17 C |
| 1950 | 13.1 C | +0.14 C |
| 1951 | 13.5 C | +0.53 C |
| 1952 | 13.3 C | +0.40 C |
| 1953 | 14.2 C | +1.26 C |
| 1954 | 13.7 C | +0.80 C |
| 1955 | 13.4 C | +0.50 C |
| 1956 | 13.5 C | +0.54 C |
| 1957 | 13.8 C | +0.91 C |
| 1958 | 12.3 C | -0.62 C |
| 1959 | 14.2 C | +1.23 C |
| 1960 | 12.7 C | -0.20 C |
| 1961 | 13.2 C | +0.28 C |
| 1962 | 12.5 C | -0.45 C |
| 1963 | 12.6 C | -0.34 C |
| 1964 | 13.3 C | +0.37 C |
| 1965 | 12.9 C | -0.01 C |
| 1966 | 12.4 C | -0.49 C |
| 1967 | 12.1 C | -0.78 C |
| 1968 | 12.7 C | -0.21 C |
| 1969 | 12.0 C | -0.94 C |
| 1970 | 12.4 C | -0.50 C |
| 1971 | 12.7 C | -0.22 C |
| 1972 | 12.3 C | -0.65 C |
| 1973 | 13.4 C | +0.44 C |
| 1974 | 12.8 C | -0.08 C |
| 1975 | 13.2 C | +0.27 C |
| 1976 | 12.3 C | -0.64 C |
| 1977 | 12.8 C | -0.08 C |
| 1978 | 11.9 C | -1.02 C |
| 1979 | 12.4 C | -0.48 C |
| 1980 | 12.5 C | -0.39 C |
| 1981 | 12.3 C | -0.67 C |
| 1982 | 12.4 C | -0.49 C |
| 1983 | 12.9 C | +0.01 C |
| 1984 | 12.9 C | -0.01 C |
| 1985 | 13.2 C | +0.26 C |
| 1986 | 13.1 C | +0.19 C |
| 1987 | 12.9 C | 0.00 C |
| 1988 | 12.5 C | -0.43 C |
| 1989 | 12.6 C | -0.36 C |
| 1990 | 14.0 C | +1.12 C |
| 1991 | 14.0 C | +1.05 C |
| 1992 | 12.4 C | -0.55 C |
| 1993 | 13.1 C | +0.13 C |
| 1994 | 12.9 C | -0.04 C |
| 1995 | 12.7 C | -0.19 C |
| 1996 | 12.3 C | -0.59 C |
The annual mean temperature here has fallen by 0.12 C (0.01 to 0.23) per decade over 1947 to 1996. In Fahrenheit: 0.22 F (0.02 to 0.42) per decade. The slope is a straight line fitted to 50 complete years; the brackets give its 95 percent interval.
| Measure | Per decade (C) | Per decade (F) | Period | Complete years | Reading |
|---|---|---|---|---|---|
| Annual mean temperature | -0.12 C (-0.23 to -0.01) per decade | -0.22 F (-0.42 to -0.02) per decade | 1947 to 1996 | 50 | Fall |
| Mean daily maximum | -0.2 C (-0.4 to -0.1) per decade | -0.4 F (-0.6 to -0.1) per decade | 1947 to 1996 | 50 | Fall |
| Mean daily minimum | -0.03 C (-0.13 to 0.08) per decade | -0.1 F (-0.2 to 0.1) per decade | 1947 to 1996 | 50 | Not clearly different from zero |
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
1946 to 1997| Measure | Record | Year of the record | Median year | Years with a value |
|---|---|---|---|---|
| Hottest day (TXx) | 38.9 C (102.0 F) | 1954 | 36.1 C (97.0 F) | 52 |
| Coldest night (TNn) | -25.0 C (-13.0 F) | 1987 | -16.1 C (3.0 F) | 52 |
| Wettest day (Rx1day) | 151.1 mm (5.9 in) | 1985 | 65.5 mm (2.6 in) | 52 |
| Wettest five days (Rx5day) | 228.3 mm (9.0 in) | 1958 | 106.6 mm (4.2 in) | 52 |
| Longest dry spell (CDD) | 30 days | 1995 | 18 days | 52 |
Hottest day (TXx)
| Year | Hottest day (TXx) |
|---|---|
| 1946 | 30.0 C (86.0 F) |
| 1947 | 35.0 C (95.0 F) |
| 1948 | 37.2 C (99.0 F) |
| 1949 | 37.2 C (99.0 F) |
| 1950 | 35.0 C (95.0 F) |
| 1951 | 35.6 C (96.1 F) |
| 1952 | 38.3 C (100.9 F) |
| 1953 | 38.3 C (100.9 F) |
| 1954 | 38.9 C (102.0 F) |
| 1955 | 37.2 C (99.0 F) |
| 1956 | 36.1 C (97.0 F) |
| 1957 | 38.3 C (100.9 F) |
| 1958 | 35.6 C (96.1 F) |
| 1959 | 38.3 C (100.9 F) |
| 1960 | 34.4 C (93.9 F) |
| 1961 | 35.6 C (96.1 F) |
| 1962 | 35.6 C (96.1 F) |
| 1963 | 36.1 C (97.0 F) |
| 1964 | 36.7 C (98.1 F) |
| 1965 | 35.0 C (95.0 F) |
| 1966 | 37.8 C (100.0 F) |
| 1967 | 33.3 C (91.9 F) |
| 1968 | 36.7 C (98.1 F) |
| 1969 | 37.2 C (99.0 F) |
| 1970 | 35.0 C (95.0 F) |
| 1971 | 35.0 C (95.0 F) |
| 1972 | 35.0 C (95.0 F) |
| 1973 | 35.0 C (95.0 F) |
| 1974 | 35.6 C (96.1 F) |
| 1975 | 35.6 C (96.1 F) |
| 1976 | 34.4 C (93.9 F) |
| 1977 | 38.3 C (100.9 F) |
| 1978 | 36.1 C (97.0 F) |
| 1979 | 34.4 C (93.9 F) |
| 1980 | 36.7 C (98.1 F) |
| 1981 | 35.0 C (95.0 F) |
| 1982 | 36.7 C (98.1 F) |
| 1983 | 36.1 C (97.0 F) |
| 1984 | 34.4 C (93.9 F) |
| 1985 | 35.0 C (95.0 F) |
| 1986 | 36.1 C (97.0 F) |
| 1987 | 37.8 C (100.0 F) |
| 1988 | 37.8 C (100.0 F) |
| 1989 | 35.0 C (95.0 F) |
| 1990 | 37.2 C (99.0 F) |
| 1991 | 37.2 C (99.0 F) |
| 1992 | 36.1 C (97.0 F) |
| 1993 | 38.3 C (100.9 F) |
| 1994 | 37.2 C (99.0 F) |
| 1995 | 38.3 C (100.9 F) |
| 1996 | 34.4 C (93.9 F) |
| 1997 | 32.2 C (90.0 F) |
Coldest night (TNn)
| Year | Coldest night (TNn) |
|---|---|
| 1946 | -12.8 C (9.0 F) |
| 1947 | -13.9 C (7.0 F) |
| 1948 | -18.3 C (-0.9 F) |
| 1949 | -11.1 C (12.0 F) |
| 1950 | -13.3 C (8.1 F) |
| 1951 | -15.0 C (5.0 F) |
| 1952 | -12.8 C (9.0 F) |
| 1953 | -12.2 C (10.0 F) |
| 1954 | -13.9 C (7.0 F) |
| 1955 | -14.4 C (6.1 F) |
| 1956 | -11.1 C (12.0 F) |
| 1957 | -24.4 C (-11.9 F) |
| 1958 | -21.7 C (-7.1 F) |
| 1959 | -13.9 C (7.0 F) |
| 1960 | -16.1 C (3.0 F) |
| 1961 | -17.2 C (1.0 F) |
| 1962 | -16.1 C (3.0 F) |
| 1963 | -17.2 C (1.0 F) |
| 1964 | -15.6 C (3.9 F) |
| 1965 | -23.3 C (-9.9 F) |
| 1966 | -21.1 C (-6.0 F) |
| 1967 | -18.3 C (-0.9 F) |
| 1968 | -16.1 C (3.0 F) |
| 1969 | -14.4 C (6.1 F) |
| 1970 | -18.9 C (-2.0 F) |
| 1971 | -17.8 C (0.0 F) |
| 1972 | -15.0 C (5.0 F) |
| 1973 | -12.8 C (9.0 F) |
| 1974 | -16.1 C (3.0 F) |
| 1975 | -10.6 C (12.9 F) |
| 1976 | -14.4 C (6.1 F) |
| 1977 | -20.0 C (-4.0 F) |
| 1978 | -16.1 C (3.0 F) |
| 1979 | -22.2 C (-8.0 F) |
| 1980 | -16.7 C (1.9 F) |
| 1981 | -17.8 C (0.0 F) |
| 1982 | -20.6 C (-5.1 F) |
| 1983 | -16.1 C (3.0 F) |
| 1984 | -18.3 C (-0.9 F) |
| 1985 | -20.6 C (-5.1 F) |
| 1986 | -16.7 C (1.9 F) |
| 1987 | -25.0 C (-13.0 F) |
| 1988 | -18.9 C (-2.0 F) |
| 1989 | -16.7 C (1.9 F) |
| 1990 | -11.1 C (12.0 F) |
| 1991 | -12.8 C (9.0 F) |
| 1992 | -14.4 C (6.1 F) |
| 1993 | -11.7 C (10.9 F) |
| 1994 | -19.4 C (-2.9 F) |
| 1995 | -15.6 C (3.9 F) |
| 1996 | -22.2 C (-8.0 F) |
| 1997 | -16.1 C (3.0 F) |
Wettest day (Rx1day)
| Year | Wettest day (Rx1day) |
|---|---|
| 1946 | 35.3 mm (1.4 in) |
| 1947 | 58.9 mm (2.3 in) |
| 1948 | 77.7 mm (3.1 in) |
| 1949 | 54.1 mm (2.1 in) |
| 1950 | 60.5 mm (2.4 in) |
| 1951 | 56.4 mm (2.2 in) |
| 1952 | 52.3 mm (2.1 in) |
| 1953 | 148.8 mm (5.9 in) |
| 1954 | 82.6 mm (3.3 in) |
| 1955 | 102.6 mm (4.0 in) |
| 1956 | 77.0 mm (3.0 in) |
| 1957 | 66.5 mm (2.6 in) |
| 1958 | 108.0 mm (4.3 in) |
| 1959 | 79.0 mm (3.1 in) |
| 1960 | 134.6 mm (5.3 in) |
| 1961 | 55.4 mm (2.2 in) |
| 1962 | 55.1 mm (2.2 in) |
| 1963 | 64.5 mm (2.5 in) |
| 1964 | 80.0 mm (3.1 in) |
| 1965 | 86.4 mm (3.4 in) |
| 1966 | 76.2 mm (3.0 in) |
| 1967 | 90.9 mm (3.6 in) |
| 1968 | 40.6 mm (1.6 in) |
| 1969 | 61.0 mm (2.4 in) |
| 1970 | 50.8 mm (2.0 in) |
| 1971 | 60.5 mm (2.4 in) |
| 1972 | 62.7 mm (2.5 in) |
| 1973 | 127.8 mm (5.0 in) |
| 1974 | 69.9 mm (2.8 in) |
| 1975 | 70.4 mm (2.8 in) |
| 1976 | 70.4 mm (2.8 in) |
| 1977 | 102.6 mm (4.0 in) |
| 1978 | 118.9 mm (4.7 in) |
| 1979 | 59.4 mm (2.3 in) |
| 1980 | 71.4 mm (2.8 in) |
| 1981 | 57.4 mm (2.3 in) |
| 1982 | 73.7 mm (2.9 in) |
| 1983 | 94.0 mm (3.7 in) |
| 1984 | 58.2 mm (2.3 in) |
| 1985 | 151.1 mm (5.9 in) |
| 1986 | 52.1 mm (2.1 in) |
| 1987 | 50.8 mm (2.0 in) |
| 1988 | 61.2 mm (2.4 in) |
| 1989 | 85.1 mm (3.4 in) |
| 1990 | 62.2 mm (2.4 in) |
| 1991 | 42.2 mm (1.7 in) |
| 1992 | 67.3 mm (2.6 in) |
| 1993 | 59.2 mm (2.3 in) |
| 1994 | 59.2 mm (2.3 in) |
| 1995 | 47.2 mm (1.9 in) |
| 1996 | 87.9 mm (3.5 in) |
| 1997 | 31.5 mm (1.2 in) |
Wettest five days (Rx5day)
| Year | Wettest five days (Rx5day) |
|---|---|
| 1946 | 62.5 mm (2.5 in) |
| 1947 | 72.0 mm (2.8 in) |
| 1948 | 179.5 mm (7.1 in) |
| 1949 | 136.5 mm (5.4 in) |
| 1950 | 81.3 mm (3.2 in) |
| 1951 | 109.2 mm (4.3 in) |
| 1952 | 117.3 mm (4.6 in) |
| 1953 | 201.4 mm (7.9 in) |
| 1954 | 119.4 mm (4.7 in) |
| 1955 | 173.6 mm (6.8 in) |
| 1956 | 112.1 mm (4.4 in) |
| 1957 | 83.2 mm (3.3 in) |
| 1958 | 228.3 mm (9.0 in) |
| 1959 | 149.9 mm (5.9 in) |
| 1960 | 163.3 mm (6.4 in) |
| 1961 | 85.1 mm (3.4 in) |
| 1962 | 96.3 mm (3.8 in) |
| 1963 | 87.7 mm (3.5 in) |
| 1964 | 114.8 mm (4.5 in) |
| 1965 | 96.3 mm (3.8 in) |
| 1966 | 87.6 mm (3.4 in) |
| 1967 | 161.2 mm (6.3 in) |
| 1968 | 62.6 mm (2.5 in) |
| 1969 | 120.6 mm (4.7 in) |
| 1970 | 95.0 mm (3.7 in) |
| 1971 | 89.4 mm (3.5 in) |
| 1972 | 107.1 mm (4.2 in) |
| 1973 | 140.8 mm (5.5 in) |
| 1974 | 105.9 mm (4.2 in) |
| 1975 | 126.3 mm (5.0 in) |
| 1976 | 96.7 mm (3.8 in) |
| 1977 | 132.8 mm (5.2 in) |
| 1978 | 132.4 mm (5.2 in) |
| 1979 | 107.1 mm (4.2 in) |
| 1980 | 90.0 mm (3.5 in) |
| 1981 | 86.6 mm (3.4 in) |
| 1982 | 80.0 mm (3.1 in) |
| 1983 | 123.2 mm (4.9 in) |
| 1984 | 112.7 mm (4.4 in) |
| 1985 | 170.7 mm (6.7 in) |
| 1986 | 79.8 mm (3.1 in) |
| 1987 | 78.5 mm (3.1 in) |
| 1988 | 77.0 mm (3.0 in) |
| 1989 | 191.1 mm (7.5 in) |
| 1990 | 107.4 mm (4.2 in) |
| 1991 | 106.1 mm (4.2 in) |
| 1992 | 129.6 mm (5.1 in) |
| 1993 | 79.5 mm (3.1 in) |
| 1994 | 106.1 mm (4.2 in) |
| 1995 | 81.5 mm (3.2 in) |
| 1996 | 105.4 mm (4.1 in) |
| 1997 | 45.0 mm (1.8 in) |
Longest dry spell (CDD)
| Year | Longest dry spell (CDD) |
|---|---|
| 1946 | 14 days |
| 1947 | 13 days |
| 1948 | 18 days |
| 1949 | 22 days |
| 1950 | 15 days |
| 1951 | 13 days |
| 1952 | 23 days |
| 1953 | 19 days |
| 1954 | 25 days |
| 1955 | 16 days |
| 1956 | 16 days |
| 1957 | 25 days |
| 1958 | 18 days |
| 1959 | 15 days |
| 1960 | 18 days |
| 1961 | 15 days |
| 1962 | 18 days |
| 1963 | 25 days |
| 1964 | 25 days |
| 1965 | 29 days |
| 1966 | 20 days |
| 1967 | 20 days |
| 1968 | 29 days |
| 1969 | 24 days |
| 1970 | 17 days |
| 1971 | 20 days |
| 1972 | 13 days |
| 1973 | 25 days |
| 1974 | 21 days |
| 1975 | 13 days |
| 1976 | 20 days |
| 1977 | 17 days |
| 1978 | 21 days |
| 1979 | 11 days |
| 1980 | 15 days |
| 1981 | 20 days |
| 1982 | 17 days |
| 1983 | 14 days |
| 1984 | 22 days |
| 1985 | 23 days |
| 1986 | 20 days |
| 1987 | 15 days |
| 1988 | 19 days |
| 1989 | 23 days |
| 1990 | 17 days |
| 1991 | 16 days |
| 1992 | 20 days |
| 1993 | 17 days |
| 1994 | 18 days |
| 1995 | 30 days |
| 1996 | 13 days |
| 1997 | 10 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
50 years with a frostAcross 50 years with a frost, the median last spring frost at Georgetown 5 SW falls on 21 April and the median first autumn frost on 18 October, which leaves a median of 180 days between them.
Fitted over all years, the growing season changes by +3.8 days per decade at this station.
| Measure | Median, all years | Earliest period | Recent period (1967 to 1996) | Recent against earliest | Fitted trend |
|---|---|---|---|---|---|
| Last spring frost | 21 April | n/a | 18 April | n/a | -2.3 days per decade |
| First autumn frost | 18 October | n/a | 19 October | n/a | +1.5 days per decade |
| Growing days | 180 days | n/a | 184 days | n/a | +3.8 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
50 years, 1947 to 1996A day with at least 67.8 mm (2.7 in) of rain is expected about once in 2 years. A day with at least 182.2 mm (7.2 in) of rain is expected about once in 100 years.
| Expected about once in | A day with at least | Note |
|---|---|---|
| 2 years | 67.8 mm (2.7 in) | |
| 5 years | 89.3 mm (3.5 in) | |
| 10 years | 106.6 mm (4.2 in) | |
| 25 years | 132.7 mm (5.2 in) | |
| 50 years | 155.7 mm (6.1 in) | |
| 100 years | 182.2 mm (7.2 in) | Longer than the 50 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, 50 years of values from 1947 to 1996.
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: 151.1 mm (5.9 in) in 1985; 148.8 mm (5.9 in) in 1953; 134.6 mm (5.3 in) in 1960.
Station Changes
1 suspectedOne change was suspected in the annual mean temperature of Georgetown 5 SW, at 1954. Each is measured against neighbouring stations.
- Relative to 5 neighbouring stations, the station's annual mean temperature from 1954 ran 0.2 C (0.3 F) higher than in the years before (possible change).
| Year | Shift (C) | Shift (F) | Strength | Neighbours |
|---|---|---|---|---|
| 1954 | +0.2 | +0.3 | possible | 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.
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).