Insizwa (Bos) Weather Records (SF001804390)
Record envelope, standing records and threshold days for Insizwa (Bos) (SF001804390), South Africa, with 84 years of record.
Key Facts for Insizwa (Bos)
- Insizwa (Bos) (SF001804390) is a weather station in South Africa at -30.82 latitude and 29.27 longitude, 1,118 m (3,668 ft) above sea level.
- The station reports from 1914 to 1997, 84 years of record.
- 0 records set at Insizwa (Bos) still stand.
- Records are tracked for prcp: an element needs 30 years of data to be eligible.
- Insizwa (Bos) set a daily record precipitation of 38.9 mm (1.5 in) on 13 November 1997.
About the Station
- Location: South Africa, -30.82 latitude, 29.27 longitude.
- Elevation: 1,118 m (3,668 ft).
- Period of record: 1914 to 1997, 84 years.
- Eligible elements: prcp.
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 | n/a | n/a | n/a | n/a |
| Feb | n/a | n/a | n/a | n/a |
| Mar | n/a | n/a | n/a | n/a |
| Apr | n/a | n/a | n/a | n/a |
| May | n/a | n/a | n/a | n/a |
| Jun | n/a | n/a | n/a | n/a |
| Jul | n/a | n/a | n/a | n/a |
| Aug | n/a | n/a | n/a | n/a |
| Sep | n/a | n/a | n/a | n/a |
| Oct | n/a | n/a | n/a | n/a |
| Nov | n/a | n/a | n/a | n/a |
| Dec | n/a | n/a | n/a | n/a |
Which Years Hold Standing Records
0 standing records| Year set | Standing records |
|---|
All-Time Record Progression
4 new records| Date | Kind | Detail |
|---|---|---|
| 1955-01-26 | Record daily precipitation | Record daily precipitation 120.0 mm (4.7 in) |
| 1964-06-19 | Record daily precipitation | Record daily precipitation 124.0 mm (4.9 in) |
| 1980-01-22 | Record daily precipitation | Record daily precipitation 125.0 mm (4.9 in) |
| 1980-02-18 | Record daily precipitation | Record daily precipitation 180.0 mm (7.1 in) |
Wettest Day of Each Month
Feb: 180.0 mm (7.1 in)| Month | Record daily precipitation (mm) | Date |
|---|---|---|
| Jan | 125.0 mm (4.9 in) | 22 January 1980 |
| Feb | 180.0 mm (7.1 in) | 18 February 1980 |
| Mar | 90.7 mm (3.6 in) | 9 March 1934 |
| Apr | 73.0 mm (2.9 in) | 21 April 1978 |
| May | 119.4 mm (4.7 in) | 15 May 1922 |
| Jun | 124.0 mm (4.9 in) | 19 June 1964 |
| Jul | 89.5 mm (3.5 in) | 10 July 1963 |
| Aug | 60.0 mm (2.4 in) | 18 August 1979 |
| Sep | 132.9 mm (5.2 in) | 28 September 1987 |
| Oct | 76.2 mm (3.0 in) | 22 October 1947 |
| Nov | 103.0 mm (4.1 in) | 23 November 1972 |
| Dec | 91.8 mm (3.6 in) | 4 December 1995 |
Latest Records
20| Date | Station | Record | Value | Beat old record by | Old record stood | Significance |
|---|---|---|---|---|---|---|
| 13 November 1997 | Insizwa (Bos), ZA | daily rain | 38.9 mm (1.5 in) | 15.9 mm (0.6 in) | 32 years | 30 of 100 (Routine) |
| 11 August 1997 | Insizwa (Bos), ZA | daily rain | 23.4 mm (0.9 in) | 5.9 mm (0.23 in) | 72 years | 20 of 100 (Routine) |
| 28 July 1997 | Insizwa (Bos), ZA | daily rain | 17.0 mm (0.7 in) | 13.7 mm (0.5 in) | 76 years | 20 of 100 (Routine) |
| 13 June 1997 | Insizwa (Bos), ZA | daily rain | 59.7 mm (2.4 in) | 34.8 mm (1.4 in) | 75 years | 53 of 100 (Notable) |
| 12 June 1997 | Insizwa (Bos), ZA | daily rain | 56.8 mm (2.2 in) | 25.6 mm (1.0 in) | 62 years | 43 of 100 (Notable) |
| 11 June 1997 | Insizwa (Bos), ZA | daily rain | 29.9 mm (1.2 in) | 9.3 mm (0.37 in) | 62 years | 32 of 100 (Routine) |
| 29 May 1997 | Insizwa (Bos), ZA | daily rain | 5.0 mm (0.20 in) | 0.4 mm (0.02 in) | 63 years | 20 of 100 (Routine) |
| 28 May 1997 | Insizwa (Bos), ZA | daily rain | 14.0 mm (0.6 in) | 3.8 mm (0.15 in) | 52 years | 20 of 100 (Routine) |
| 8 May 1997 | Insizwa (Bos), ZA | daily rain | 7.0 mm (0.28 in) | 6.0 mm (0.24 in) | 40 years | 20 of 100 (Routine) |
| 7 May 1997 | Insizwa (Bos), ZA | daily rain | 4.5 mm (0.18 in) | 0.9 mm (0.04 in) | 59 years | 20 of 100 (Routine) |
| 8 April 1997 | Insizwa (Bos), ZA | daily rain | 45.8 mm (1.8 in) | 12.0 mm (0.5 in) | 44 years | 31 of 100 (Routine) |
| 25 March 1997 | Insizwa (Bos), ZA | daily rain | 57.8 mm (2.3 in) | 30.8 mm (1.2 in) | 30 years | 39 of 100 (Notable) |
| 20 December 1996 | Insizwa (Bos), ZA | daily rain | 56.3 mm (2.2 in) | 3.9 mm (0.15 in) | 8 years | 12 of 100 (Routine) |
| 8 December 1996 | Insizwa (Bos), ZA | daily rain | 62.2 mm (2.4 in) | 21.6 mm (0.9 in) | 79 years | 47 of 100 (Notable) |
| 17 November 1996 | Insizwa (Bos), ZA | daily rain | 60.4 mm (2.4 in) | 24.8 mm (1.0 in) | 48 years | 42 of 100 (Notable) |
| 6 November 1996 | Insizwa (Bos), ZA | daily rain | 30.9 mm (1.2 in) | 1.4 mm (0.06 in) | 13 years | 12 of 100 (Routine) |
| 8 July 1996 | Insizwa (Bos), ZA | daily rain | 46.8 mm (1.8 in) | 18.1 mm (0.7 in) | 64 years | 41 of 100 (Notable) |
| 29 March 1996 | Insizwa (Bos), ZA | daily rain | 90.1 mm (3.5 in) | 53.6 mm (2.1 in) | 35 years | 58 of 100 (Notable) |
| 3 March 1996 | Insizwa (Bos), ZA | daily rain | 65.8 mm (2.6 in) | 48.0 mm (1.9 in) | 9 years | 46 of 100 (Notable) |
| 16 December 1995 | Insizwa (Bos), ZA | daily rain | 53.8 mm (2.1 in) | 19.3 mm (0.8 in) | 62 years | 41 of 100 (Notable) |
Extremes by Year
1914 to 1997| Measure | Record | Year of the record | Median year | Years with a value |
|---|---|---|---|---|
| Wettest day (Rx1day) | 180.0 mm (7.1 in) | 1980 | 62.0 mm (2.4 in) | 84 |
| Wettest five days (Rx5day) | 258.1 mm (10.2 in) | 1987 | 95.7 mm (3.8 in) | 84 |
| Longest dry spell (CDD) | 146 days | 1983 | 43 days | 84 |
Wettest day (Rx1day)
| Year | Wettest day (Rx1day) |
|---|---|
| 1914 | 33.0 mm (1.3 in) |
| 1915 | 62.0 mm (2.4 in) |
| 1916 | 76.2 mm (3.0 in) |
| 1917 | 53.3 mm (2.1 in) |
| 1918 | 49.0 mm (1.9 in) |
| 1919 | 38.1 mm (1.5 in) |
| 1920 | 54.6 mm (2.1 in) |
| 1921 | 43.7 mm (1.7 in) |
| 1922 | 119.4 mm (4.7 in) |
| 1923 | 12.7 mm (0.5 in) |
| 1924 | 61.0 mm (2.4 in) |
| 1925 | 48.8 mm (1.9 in) |
| 1926 | 50.8 mm (2.0 in) |
| 1927 | 50.3 mm (2.0 in) |
| 1928 | 39.6 mm (1.6 in) |
| 1929 | 43.2 mm (1.7 in) |
| 1930 | 65.0 mm (2.6 in) |
| 1931 | 64.8 mm (2.6 in) |
| 1932 | 67.1 mm (2.6 in) |
| 1933 | 30.7 mm (1.2 in) |
| 1934 | 90.7 mm (3.6 in) |
| 1935 | 52.3 mm (2.1 in) |
| 1936 | 57.2 mm (2.3 in) |
| 1937 | 66.0 mm (2.6 in) |
| 1938 | 54.6 mm (2.1 in) |
| 1939 | 106.7 mm (4.2 in) |
| 1940 | 68.6 mm (2.7 in) |
| 1941 | 34.5 mm (1.4 in) |
| 1942 | 41.7 mm (1.6 in) |
| 1943 | 59.7 mm (2.4 in) |
| 1944 | 66.0 mm (2.6 in) |
| 1945 | 69.1 mm (2.7 in) |
| 1946 | 45.7 mm (1.8 in) |
| 1947 | 76.2 mm (3.0 in) |
| 1948 | 51.6 mm (2.0 in) |
| 1949 | 116.3 mm (4.6 in) |
| 1950 | 81.5 mm (3.2 in) |
| 1951 | 52.8 mm (2.1 in) |
| 1952 | 45.0 mm (1.8 in) |
| 1953 | 42.0 mm (1.7 in) |
| 1954 | 64.0 mm (2.5 in) |
| 1955 | 120.0 mm (4.7 in) |
| 1956 | 50.0 mm (2.0 in) |
| 1957 | 32.0 mm (1.3 in) |
| 1958 | 67.5 mm (2.7 in) |
| 1959 | 45.0 mm (1.8 in) |
| 1960 | 54.0 mm (2.1 in) |
| 1961 | 71.0 mm (2.8 in) |
| 1962 | 38.5 mm (1.5 in) |
| 1963 | 98.0 mm (3.9 in) |
| 1964 | 124.0 mm (4.9 in) |
| 1965 | 41.5 mm (1.6 in) |
| 1966 | 112.5 mm (4.4 in) |
| 1967 | 68.0 mm (2.7 in) |
| 1968 | 47.0 mm (1.9 in) |
| 1969 | 39.5 mm (1.6 in) |
| 1970 | 66.5 mm (2.6 in) |
| 1971 | 56.0 mm (2.2 in) |
| 1972 | 111.5 mm (4.4 in) |
| 1973 | 77.0 mm (3.0 in) |
| 1974 | 96.0 mm (3.8 in) |
| 1975 | 50.5 mm (2.0 in) |
| 1976 | 62.0 mm (2.4 in) |
| 1977 | 70.5 mm (2.8 in) |
| 1978 | 73.0 mm (2.9 in) |
| 1979 | 87.0 mm (3.4 in) |
| 1980 | 180.0 mm (7.1 in) |
| 1981 | 57.5 mm (2.3 in) |
| 1982 | 60.0 mm (2.4 in) |
| 1983 | 40.0 mm (1.6 in) |
| 1984 | 85.0 mm (3.3 in) |
| 1985 | 80.5 mm (3.2 in) |
| 1986 | 54.0 mm (2.1 in) |
| 1987 | 132.9 mm (5.2 in) |
| 1988 | 86.8 mm (3.4 in) |
| 1989 | 80.6 mm (3.2 in) |
| 1990 | 50.3 mm (2.0 in) |
| 1991 | 72.7 mm (2.9 in) |
| 1992 | 79.6 mm (3.1 in) |
| 1993 | 39.8 mm (1.6 in) |
| 1994 | 87.5 mm (3.4 in) |
| 1995 | 91.8 mm (3.6 in) |
| 1996 | 90.1 mm (3.5 in) |
| 1997 | 65.7 mm (2.6 in) |
Wettest five days (Rx5day)
| Year | Wettest five days (Rx5day) |
|---|---|
| 1914 | 43.5 mm (1.7 in) |
| 1915 | 136.8 mm (5.4 in) |
| 1916 | 96.0 mm (3.8 in) |
| 1917 | 90.2 mm (3.6 in) |
| 1918 | 81.2 mm (3.2 in) |
| 1919 | 80.3 mm (3.2 in) |
| 1920 | 75.5 mm (3.0 in) |
| 1921 | 86.1 mm (3.4 in) |
| 1922 | 152.4 mm (6.0 in) |
| 1923 | 21.6 mm (0.9 in) |
| 1924 | 87.6 mm (3.4 in) |
| 1925 | 100.6 mm (4.0 in) |
| 1926 | 88.6 mm (3.5 in) |
| 1927 | 111.5 mm (4.4 in) |
| 1928 | 80.3 mm (3.2 in) |
| 1929 | 79.8 mm (3.1 in) |
| 1930 | 70.6 mm (2.8 in) |
| 1931 | 172.0 mm (6.8 in) |
| 1932 | 89.2 mm (3.5 in) |
| 1933 | 72.1 mm (2.8 in) |
| 1934 | 128.6 mm (5.1 in) |
| 1935 | 87.7 mm (3.5 in) |
| 1936 | 154.2 mm (6.1 in) |
| 1937 | 103.9 mm (4.1 in) |
| 1938 | 77.7 mm (3.1 in) |
| 1939 | 153.1 mm (6.0 in) |
| 1940 | 98.4 mm (3.9 in) |
| 1941 | 57.4 mm (2.3 in) |
| 1942 | 65.8 mm (2.6 in) |
| 1943 | 95.4 mm (3.8 in) |
| 1944 | 123.1 mm (4.8 in) |
| 1945 | 97.1 mm (3.8 in) |
| 1946 | 91.5 mm (3.6 in) |
| 1947 | 110.7 mm (4.4 in) |
| 1948 | 76.7 mm (3.0 in) |
| 1949 | 147.5 mm (5.8 in) |
| 1950 | 94.4 mm (3.7 in) |
| 1951 | 85.9 mm (3.4 in) |
| 1952 | 94.9 mm (3.7 in) |
| 1953 | 87.5 mm (3.4 in) |
| 1954 | 81.0 mm (3.2 in) |
| 1955 | 202.0 mm (8.0 in) |
| 1956 | 117.0 mm (4.6 in) |
| 1957 | 83.5 mm (3.3 in) |
| 1958 | 92.2 mm (3.6 in) |
| 1959 | 169.0 mm (6.7 in) |
| 1960 | 81.5 mm (3.2 in) |
| 1961 | 71.0 mm (2.8 in) |
| 1962 | 74.0 mm (2.9 in) |
| 1963 | 132.5 mm (5.2 in) |
| 1964 | 172.5 mm (6.8 in) |
| 1965 | 94.1 mm (3.7 in) |
| 1966 | 112.5 mm (4.4 in) |
| 1967 | 103.0 mm (4.1 in) |
| 1968 | 68.0 mm (2.7 in) |
| 1969 | 113.5 mm (4.5 in) |
| 1970 | 91.3 mm (3.6 in) |
| 1971 | 120.2 mm (4.7 in) |
| 1972 | 145.5 mm (5.7 in) |
| 1973 | 84.0 mm (3.3 in) |
| 1974 | 132.5 mm (5.2 in) |
| 1975 | 158.5 mm (6.2 in) |
| 1976 | 197.5 mm (7.8 in) |
| 1977 | 142.0 mm (5.6 in) |
| 1978 | 179.0 mm (7.0 in) |
| 1979 | 108.5 mm (4.3 in) |
| 1980 | 215.0 mm (8.5 in) |
| 1981 | 62.0 mm (2.4 in) |
| 1982 | 63.0 mm (2.5 in) |
| 1983 | 66.4 mm (2.6 in) |
| 1984 | 117.5 mm (4.6 in) |
| 1985 | 103.5 mm (4.1 in) |
| 1986 | 65.0 mm (2.6 in) |
| 1987 | 258.1 mm (10.2 in) |
| 1988 | 245.1 mm (9.6 in) |
| 1989 | 109.0 mm (4.3 in) |
| 1990 | 67.8 mm (2.7 in) |
| 1991 | 92.6 mm (3.6 in) |
| 1992 | 166.2 mm (6.5 in) |
| 1993 | 78.0 mm (3.1 in) |
| 1994 | 104.2 mm (4.1 in) |
| 1995 | 177.3 mm (7.0 in) |
| 1996 | 112.1 mm (4.4 in) |
| 1997 | 146.4 mm (5.8 in) |
Longest dry spell (CDD)
| Year | Longest dry spell (CDD) |
|---|---|
| 1914 | 20 days |
| 1915 | 32 days |
| 1916 | 112 days |
| 1917 | 29 days |
| 1918 | 30 days |
| 1919 | 51 days |
| 1920 | 34 days |
| 1921 | 37 days |
| 1922 | 20 days |
| 1923 | 21 days |
| 1924 | 38 days |
| 1925 | 43 days |
| 1926 | 32 days |
| 1927 | 25 days |
| 1928 | 33 days |
| 1929 | 25 days |
| 1930 | 43 days |
| 1931 | 54 days |
| 1932 | 29 days |
| 1933 | 33 days |
| 1934 | 32 days |
| 1935 | 31 days |
| 1936 | 47 days |
| 1937 | 40 days |
| 1938 | 29 days |
| 1939 | 25 days |
| 1940 | 50 days |
| 1941 | 32 days |
| 1942 | 74 days |
| 1943 | 45 days |
| 1944 | 39 days |
| 1945 | 65 days |
| 1946 | 41 days |
| 1947 | 35 days |
| 1948 | 71 days |
| 1949 | 64 days |
| 1950 | 33 days |
| 1951 | 35 days |
| 1952 | 26 days |
| 1953 | 41 days |
| 1954 | 64 days |
| 1955 | 66 days |
| 1956 | 60 days |
| 1957 | 19 days |
| 1958 | 67 days |
| 1959 | 66 days |
| 1960 | 37 days |
| 1961 | 28 days |
| 1962 | 103 days |
| 1963 | 91 days |
| 1964 | 52 days |
| 1965 | 30 days |
| 1966 | 71 days |
| 1967 | 40 days |
| 1968 | 37 days |
| 1969 | 58 days |
| 1970 | 37 days |
| 1971 | 24 days |
| 1972 | 42 days |
| 1973 | 70 days |
| 1974 | 48 days |
| 1975 | 69 days |
| 1976 | 36 days |
| 1977 | 66 days |
| 1978 | 80 days |
| 1979 | 88 days |
| 1980 | 69 days |
| 1981 | 51 days |
| 1982 | 38 days |
| 1983 | 146 days |
| 1984 | 56 days |
| 1985 | 58 days |
| 1986 | 31 days |
| 1987 | 49 days |
| 1988 | 45 days |
| 1989 | 54 days |
| 1990 | 46 days |
| 1991 | 101 days |
| 1992 | 118 days |
| 1993 | 104 days |
| 1994 | 54 days |
| 1995 | 89 days |
| 1996 | 71 days |
| 1997 | 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.
Rainfall Return Levels
77 years, 1915 to 1997A day with at least 63.1 mm (2.5 in) of rain is expected about once in 2 years. A day with at least 164.3 mm (6.5 in) of rain is expected about once in 100 years.
| Expected about once in | A day with at least | Note |
|---|---|---|
| 2 years | 63.1 mm (2.5 in) | |
| 5 years | 86.5 mm (3.4 in) | |
| 10 years | 103.4 mm (4.1 in) | |
| 25 years | 126.4 mm (5.0 in) | |
| 50 years | 144.8 mm (5.7 in) | |
| 100 years | 164.3 mm (6.5 in) | Longer than the 77 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, 77 years of values from 1915 to 1997.
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: 180.0 mm (7.1 in) in 1980; 132.9 mm (5.2 in) in 1987; 124.0 mm (4.9 in) in 1964.
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).