Herold (Pol) Weather Records (SF000287710)

Record envelope, standing records and threshold days for Herold (Pol) (SF000287710), South Africa, with 74 years of record.

Key Facts for Herold (Pol)

Herold (Pol) (SF000287710) is a weather station in South Africa at -33.85 latitude and 22.45 longitude, 610 m (2,001 ft) above sea level.
The station reports from 1924 to 1997, 74 years of record.
0 records set at Herold (Pol) still stand.
Records are tracked for prcp: an element needs 30 years of data to be eligible.
Herold (Pol) set a daily record precipitation of 10.0 mm (0.4 in) on 26 October 1997.

About the Station

Location: South Africa, -33.85 latitude, 22.45 longitude.
Elevation: 610 m (2,001 ft).
Period of record: 1924 to 1997, 74 years.
Eligible elements: prcp.

Daily Record Envelope and 2026

0 days at or beyond a record

The band shows the record high and record low for each calendar day at Herold (Pol). The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Herold (Pol), with 2026 drawn through them
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

0 records at Herold (Pol) still stand.

All-Time Record Progression

3 new records

3 all-time records were set at Herold (Pol) between 21 August 1962 and 21 November 1996. Each dot is a new record.

When Herold (Pol) set new all-time records
Date	Kind	Detail
1962-08-21	Record daily precipitation	Record daily precipitation 185.5 mm (7.3 in)
1963-03-29	Record daily precipitation	Record daily precipitation 191.0 mm (7.5 in)
1996-11-21	Record daily precipitation	Record daily precipitation 209.0 mm (8.2 in)

Wettest Day of Each Month

Nov: 209.0 mm (8.2 in)

The wettest day on record for each calendar month at Herold (Pol). The most was 209.0 mm (8.2 in) on 21 November 1996.

Record daily precipitation for each month at Herold (Pol)
Month	Record daily precipitation (mm)	Date
Jan	104.1 mm (4.1 in)	1 January 1932
Feb	52.0 mm (2.0 in)	4 February 1972
Mar	191.0 mm (7.5 in)	29 March 1963
Apr	91.0 mm (3.6 in)	12 April 1993
May	170.0 mm (6.7 in)	29 May 1981
Jun	97.5 mm (3.8 in)	8 June 1975
Jul	92.0 mm (3.6 in)	26 July 1983
Aug	185.5 mm (7.3 in)	21 August 1962
Sep	164.6 mm (6.5 in)	21 September 1925
Oct	107.0 mm (4.2 in)	2 October 1965
Nov	209.0 mm (8.2 in)	21 November 1996
Dec	44.0 mm (1.7 in)	6 December 1970

Latest Records

Latest records at Herold (Pol)
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
26 October 1997	Herold (Pol), ZA	daily rain	10.0 mm (0.4 in)	5.5 mm (0.22 in)	43 years	20 of 100 (Routine)
19 March 1997	Herold (Pol), ZA	daily rain	21.0 mm (0.8 in)	9.0 mm (0.35 in)	2 years	13 of 100 (Routine)
28 December 1996	Herold (Pol), ZA	daily rain	23.0 mm (0.9 in)	6.2 mm (0.24 in)	67 years	20 of 100 (Routine)
21 November 1996	Herold (Pol), ZA	all-time rain	209.0 mm (8.2 in)	18.0 mm (0.7 in)	33 years	50 of 100 (Notable)
20 November 1996	Herold (Pol), ZA	daily rain	27.0 mm (1.1 in)	11.5 mm (0.5 in)	60 years	33 of 100 (Routine)
22 October 1996	Herold (Pol), ZA	daily rain	96.0 mm (3.8 in)	62.0 mm (2.4 in)	43 years	59 of 100 (Notable)
19 October 1996	Herold (Pol), ZA	daily rain	59.0 mm (2.3 in)	50.9 mm (2.0 in)	32 years	53 of 100 (Notable)
12 February 1996	Herold (Pol), ZA	daily rain	21.5 mm (0.8 in)	0.9 mm (0.04 in)	36 years	19 of 100 (Routine)
23 December 1995	Herold (Pol), ZA	daily rain	15.0 mm (0.6 in)	2.3 mm (0.09 in)	53 years	20 of 100 (Routine)
29 November 1995	Herold (Pol), ZA	daily rain	57.5 mm (2.3 in)	39.0 mm (1.5 in)	40 years	49 of 100 (Notable)
19 March 1995	Herold (Pol), ZA	daily rain	12.0 mm (0.5 in)	1.6 mm (0.06 in)	64 years	20 of 100 (Routine)
24 December 1994	Herold (Pol), ZA	daily rain	16.0 mm (0.6 in)	11.0 mm (0.4 in)	9 years	20 of 100 (Routine)
13 August 1994	Herold (Pol), ZA	daily rain	16.0 mm (0.6 in)	11.0 mm (0.4 in)	12 years	16 of 100 (Routine)
24 July 1994	Herold (Pol), ZA	daily rain	44.0 mm (1.7 in)	10.5 mm (0.4 in)	11 years	19 of 100 (Routine)
21 April 1994	Herold (Pol), ZA	daily rain	19.0 mm (0.7 in)	5.8 mm (0.23 in)	59 years	20 of 100 (Routine)
14 December 1993	Herold (Pol), ZA	daily rain	14.5 mm (0.6 in)	1.0 mm (0.04 in)	18 years	13 of 100 (Routine)
23 September 1993	Herold (Pol), ZA	daily rain	138.5 mm (5.5 in)	116.7 mm (4.6 in)	54 years	63 of 100 (Major)
3 May 1993	Herold (Pol), ZA	daily rain	14.5 mm (0.6 in)	6.5 mm (0.26 in)	20 years	17 of 100 (Routine)
2 May 1993	Herold (Pol), ZA	daily rain	59.5 mm (2.3 in)	40.0 mm (1.6 in)	20 years	37 of 100 (Notable)
12 April 1993	Herold (Pol), ZA	monthly rain	91.0 mm (3.6 in)	2.1 mm (0.08 in)	52 years	33 of 100 (Routine)

Extremes by Year

1924 to 1997

Yearly extremes at Herold (Pol): the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Wettest day (Rx1day)	209.0 mm (8.2 in)	1996	54.2 mm (2.1 in)	74
Wettest five days (Rx5day)	304.6 mm (12.0 in)	1925	82.8 mm (3.3 in)	74
Longest dry spell (CDD)	73 days	1951	34 days	74

Wettest day (Rx1day)

The wettest day of the year at Herold (Pol), 1924 to 1997. The record is 209.0 mm (8.2 in) in 1996, marked on the chart; the median year is 54.2 mm (2.1 in).

Wettest day (Rx1day) at Herold (Pol) by year
Year	Wettest day (Rx1day)
1924	33.0 mm (1.3 in)
1925	164.6 mm (6.5 in)
1926	79.0 mm (3.1 in)
1927	39.1 mm (1.5 in)
1928	73.4 mm (2.9 in)
1929	47.0 mm (1.9 in)
1930	82.6 mm (3.3 in)
1931	34.8 mm (1.4 in)
1932	104.1 mm (4.1 in)
1933	53.3 mm (2.1 in)
1934	87.9 mm (3.5 in)
1935	122.7 mm (4.8 in)
1936	71.4 mm (2.8 in)
1937	56.6 mm (2.2 in)
1938	63.0 mm (2.5 in)
1939	123.2 mm (4.9 in)
1940	34.5 mm (1.4 in)
1941	88.9 mm (3.5 in)
1942	26.7 mm (1.1 in)
1943	27.7 mm (1.1 in)
1944	33.0 mm (1.3 in)
1945	67.3 mm (2.6 in)
1946	28.2 mm (1.1 in)
1947	92.7 mm (3.6 in)
1948	48.8 mm (1.9 in)
1949	39.4 mm (1.6 in)
1950	61.7 mm (2.4 in)
1951	69.9 mm (2.8 in)
1952	24.9 mm (1.0 in)
1953	104.0 mm (4.1 in)
1954	105.0 mm (4.1 in)
1955	31.0 mm (1.2 in)
1956	44.5 mm (1.8 in)
1957	48.5 mm (1.9 in)
1958	60.0 mm (2.4 in)
1959	48.6 mm (1.9 in)
1960	39.0 mm (1.5 in)
1961	36.0 mm (1.4 in)
1962	185.5 mm (7.3 in)
1963	191.0 mm (7.5 in)
1964	55.0 mm (2.2 in)
1965	107.0 mm (4.2 in)
1966	36.0 mm (1.4 in)
1967	95.0 mm (3.7 in)
1968	49.5 mm (1.9 in)
1969	65.0 mm (2.6 in)
1970	111.0 mm (4.4 in)
1971	71.5 mm (2.8 in)
1972	52.0 mm (2.0 in)
1973	37.5 mm (1.5 in)
1974	60.0 mm (2.4 in)
1975	97.5 mm (3.8 in)
1976	29.5 mm (1.2 in)
1977	97.0 mm (3.8 in)
1978	50.0 mm (2.0 in)
1979	31.5 mm (1.2 in)
1980	31.5 mm (1.2 in)
1981	170.0 mm (6.7 in)
1982	41.6 mm (1.6 in)
1983	92.0 mm (3.6 in)
1984	32.5 mm (1.3 in)
1985	44.0 mm (1.7 in)
1986	41.0 mm (1.6 in)
1987	47.0 mm (1.9 in)
1988	42.0 mm (1.7 in)
1989	80.0 mm (3.1 in)
1990	45.5 mm (1.8 in)
1991	34.0 mm (1.3 in)
1992	72.0 mm (2.8 in)
1993	138.5 mm (5.5 in)
1994	44.0 mm (1.7 in)
1995	57.5 mm (2.3 in)
1996	209.0 mm (8.2 in)
1997	34.0 mm (1.3 in)

Wettest five days (Rx5day)

The wettest five days of the year at Herold (Pol), 1924 to 1997. The record is 304.6 mm (12.0 in) in 1925, marked on the chart; the median year is 82.8 mm (3.3 in).

Wettest five days (Rx5day) at Herold (Pol) by year
Year	Wettest five days (Rx5day)
1924	53.4 mm (2.1 in)
1925	304.6 mm (12.0 in)
1926	80.3 mm (3.2 in)
1927	99.9 mm (3.9 in)
1928	129.8 mm (5.1 in)
1929	68.9 mm (2.7 in)
1930	86.4 mm (3.4 in)
1931	48.3 mm (1.9 in)
1932	127.5 mm (5.0 in)
1933	117.0 mm (4.6 in)
1934	147.4 mm (5.8 in)
1935	253.5 mm (10.0 in)
1936	143.0 mm (5.6 in)
1937	64.2 mm (2.5 in)
1938	78.7 mm (3.1 in)
1939	123.2 mm (4.9 in)
1940	57.6 mm (2.3 in)
1941	107.7 mm (4.2 in)
1942	41.2 mm (1.6 in)
1943	34.3 mm (1.4 in)
1944	44.7 mm (1.8 in)
1945	114.4 mm (4.5 in)
1946	69.7 mm (2.7 in)
1947	94.7 mm (3.7 in)
1948	74.5 mm (2.9 in)
1949	100.4 mm (4.0 in)
1950	98.3 mm (3.9 in)
1951	73.7 mm (2.9 in)
1952	43.2 mm (1.7 in)
1953	233.6 mm (9.2 in)
1954	170.9 mm (6.7 in)
1955	50.5 mm (2.0 in)
1956	65.9 mm (2.6 in)
1957	75.8 mm (3.0 in)
1958	68.2 mm (2.7 in)
1959	63.0 mm (2.5 in)
1960	52.2 mm (2.1 in)
1961	62.0 mm (2.4 in)
1962	303.5 mm (11.9 in)
1963	238.1 mm (9.4 in)
1964	138.1 mm (5.4 in)
1965	115.5 mm (4.5 in)
1966	41.5 mm (1.6 in)
1967	121.5 mm (4.8 in)
1968	120.1 mm (4.7 in)
1969	95.5 mm (3.8 in)
1970	134.0 mm (5.3 in)
1971	153.0 mm (6.0 in)
1972	83.0 mm (3.3 in)
1973	48.0 mm (1.9 in)
1974	61.4 mm (2.4 in)
1975	109.5 mm (4.3 in)
1976	63.2 mm (2.5 in)
1977	201.0 mm (7.9 in)
1978	95.0 mm (3.7 in)
1979	83.5 mm (3.3 in)
1980	75.5 mm (3.0 in)
1981	220.0 mm (8.7 in)
1982	81.4 mm (3.2 in)
1983	176.0 mm (6.9 in)
1984	53.0 mm (2.1 in)
1985	82.0 mm (3.2 in)
1986	58.0 mm (2.3 in)
1987	70.0 mm (2.8 in)
1988	43.0 mm (1.7 in)
1989	101.0 mm (4.0 in)
1990	48.5 mm (1.9 in)
1991	82.5 mm (3.2 in)
1992	97.3 mm (3.8 in)
1993	179.5 mm (7.1 in)
1994	70.5 mm (2.8 in)
1995	74.0 mm (2.9 in)
1996	236.0 mm (9.3 in)
1997	65.0 mm (2.6 in)

Longest dry spell (CDD)

The longest dry spell of the year at Herold (Pol), 1924 to 1997. The record is 73 days in 1951, marked on the chart; the median year is 34 days.

Longest dry spell (CDD) at Herold (Pol) by year
Year	Longest dry spell (CDD)
1924	26 days
1925	27 days
1926	51 days
1927	45 days
1928	53 days
1929	24 days
1930	50 days
1931	51 days
1932	57 days
1933	33 days
1934	32 days
1935	23 days
1936	41 days
1937	37 days
1938	27 days
1939	30 days
1940	32 days
1941	49 days
1942	35 days
1943	29 days
1944	41 days
1945	54 days
1946	39 days
1947	40 days
1948	30 days
1949	47 days
1950	59 days
1951	73 days
1952	48 days
1953	37 days
1954	28 days
1955	21 days
1956	31 days
1957	53 days
1958	49 days
1959	20 days
1960	27 days
1961	30 days
1962	34 days
1963	46 days
1964	50 days
1965	26 days
1966	31 days
1967	31 days
1968	37 days
1969	30 days
1970	25 days
1971	31 days
1972	42 days
1973	27 days
1974	34 days
1975	24 days
1976	18 days
1977	27 days
1978	45 days
1979	57 days
1980	37 days
1981	27 days
1982	32 days
1983	38 days
1984	41 days
1985	36 days
1986	28 days
1987	31 days
1988	36 days
1989	34 days
1990	30 days
1991	30 days
1992	37 days
1993	25 days
1994	36 days
1995	35 days
1996	31 days
1997	67 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

72 years, 1926 to 1997

A day with at least 56.4 mm (2.2 in) of rain is expected about once in 2 years. A day with at least 237.7 mm (9.4 in) of rain is expected about once in 100 years.

Rainfall return levels at Herold (Pol): the daily rain expected about once in a given number of years
Expected about once in	A day with at least	Note
2 years	56.4 mm (2.2 in)
5 years	88.7 mm (3.5 in)
10 years	115.3 mm (4.5 in)
25 years	156.7 mm (6.2 in)
50 years	193.9 mm (7.6 in)
100 years	237.7 mm (9.4 in)	Longer than the 72 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, 72 years of values from 1926 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: 209.0 mm (8.2 in) in 1996; 191.0 mm (7.5 in) in 1963; 185.5 mm (7.3 in) in 1962.

Download the Data

Data for Herold (Pol) standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Herold (Pol) threshold days by year: CSV or JSON. Field meanings are on the data page.

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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

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

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