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Built 2026-10-15 (15 October 2026)

Arkonam Weather Records (IN020011500)

Record envelope, standing records and threshold days for Arkonam (IN020011500), India, with 70 years of record.

Key Facts for Arkonam

  • Arkonam (IN020011500) is a weather station in India at 13.08 latitude and 79.67 longitude, 51 m (167 ft) above sea level.
  • The station reports from 1901 to 1970, 70 years of record.
  • 0 records set at Arkonam still stand.
  • Records are tracked for prcp: an element needs 30 years of data to be eligible.
  • Arkonam set a daily record precipitation of 177.5 mm (7.0 in) on 20 November 1970.

About the Station

  • Location: India, 13.08 latitude, 79.67 longitude.
  • Elevation: 51 m (167 ft).
  • Period of record: 1901 to 1970, 70 years.
  • Eligible elements: prcp.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Arkonam, with 2026 drawn through them The band shows the record high and record low for each calendar day at Arkonam. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. 000111 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Arkonam. 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 Arkonam, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
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Novn/an/an/an/a
Decn/an/an/an/a

Which Years Hold Standing Records

0 standing records
Standing records at Arkonam by the year they were set 0 records at Arkonam still stand. 00000000000
0 records at Arkonam still stand.
Standing records at Arkonam by the year they were set
Year setStanding records

All-Time Record Progression

1 new records
When Arkonam set new all-time records 1 all-time records were set at Arkonam between 10 October 1943 and 10 October 1943. Each dot is a new record. Record daily precipitation10 October 1943: Record daily precipitation 245.6 mm (9.7 in)
1 all-time records were set at Arkonam between 10 October 1943 and 10 October 1943. Each dot is a new record.
When Arkonam set new all-time records
DateKindDetail
1943-10-10Record daily precipitationRecord daily precipitation 245.6 mm (9.7 in)

Wettest Day of Each Month

Oct: 245.6 mm (9.7 in)
Record daily precipitation for each month at Arkonam The wettest day on record for each calendar month at Arkonam. The most was 245.6 mm (9.7 in) on 10 October 1943. 0100200300 Jan: 110.5 mm (4.4 in), 17 January 1906 Jan Feb: 87.6 mm (3.4 in), 19 February 1910 Feb Mar: 159.5 mm (6.3 in), 5 March 1944 Mar Apr: 69.1 mm (2.7 in), 12 April 1951 Apr May: 180.3 mm (7.1 in), 17 May 1943 May Jun: 119.4 mm (4.7 in), 2 June 1931 Jun Jul: 125.0 mm (4.9 in), 31 July 1970 Jul Aug: 159.0 mm (6.3 in), 24 August 1969 Aug Sep: 157.5 mm (6.2 in), 16 September 1912 Sep Oct: 245.6 mm (9.7 in), 10 October 1943 Oct Nov: 206.5 mm (8.1 in), 6 November 1924 Nov Dec: 207.0 mm (8.1 in), 10 December 1901 Dec
The wettest day on record for each calendar month at Arkonam. The most was 245.6 mm (9.7 in) on 10 October 1943.
Record daily precipitation for each month at Arkonam
MonthRecord daily precipitation (mm)Date
Jan110.5 mm (4.4 in)17 January 1906
Feb87.6 mm (3.4 in)19 February 1910
Mar159.5 mm (6.3 in)5 March 1944
Apr69.1 mm (2.7 in)12 April 1951
May180.3 mm (7.1 in)17 May 1943
Jun119.4 mm (4.7 in)2 June 1931
Jul125.0 mm (4.9 in)31 July 1970
Aug159.0 mm (6.3 in)24 August 1969
Sep157.5 mm (6.2 in)16 September 1912
Oct245.6 mm (9.7 in)10 October 1943
Nov206.5 mm (8.1 in)6 November 1924
Dec207.0 mm (8.1 in)10 December 1901

Latest Records

20
Latest records at Arkonam
DateStationRecordValueBeat old record byOld record stoodSignificance
20 November 1970Arkonam, INdaily rain177.5 mm (7.0 in)88.1 mm (3.5 in)9 years41 of 100 (Notable)
6 August 1970Arkonam, INdaily rain46.0 mm (1.8 in)7.1 mm (0.28 in)53 years27 of 100 (Routine)
3 August 1970Arkonam, INdaily rain56.9 mm (2.2 in)15.8 mm (0.6 in)60 years34 of 100 (Routine)
1 August 1970Arkonam, INdaily rain67.1 mm (2.6 in)4.1 mm (0.16 in)44 years22 of 100 (Routine)
31 July 1970Arkonam, INmonthly rain125.0 mm (4.9 in)18.3 mm (0.7 in)0 years29 of 100 (Routine)
22 July 1970Arkonam, INmonthly rain106.7 mm (4.2 in)10.7 mm (0.4 in)39 years35 of 100 (Notable)
16 July 1970Arkonam, INdaily rain18.0 mm (0.7 in)0.5 mm (0.02 in)27 years15 of 100 (Routine)
23 June 1970Arkonam, INdaily rain19.1 mm (0.8 in)3.1 mm (0.12 in)28 years17 of 100 (Routine)
1 June 1970Arkonam, INdaily rain109.2 mm (4.3 in)74.4 mm (2.9 in)12 years50 of 100 (Notable)
31 May 1970Arkonam, INdaily rain109.1 mm (4.3 in)83.7 mm (3.3 in)12 years48 of 100 (Notable)
9 May 1970Arkonam, INdaily rain22.9 mm (0.9 in)18.6 mm (0.7 in)52 years20 of 100 (Routine)
6 May 1970Arkonam, INdaily rain35.1 mm (1.4 in)19.6 mm (0.8 in)48 years29 of 100 (Routine)
19 November 1969Arkonam, INdaily rain151.1 mm (5.9 in)117.3 mm (4.6 in)18 years51 of 100 (Notable)
23 October 1969Arkonam, INdaily rain177.5 mm (7.0 in)116.3 mm (4.6 in)60 years64 of 100 (Major)
16 October 1969Arkonam, INdaily rain165.1 mm (6.5 in)52.1 mm (2.1 in)64 years48 of 100 (Notable)
11 October 1969Arkonam, INdaily rain83.0 mm (3.3 in)40.1 mm (1.6 in)35 years34 of 100 (Routine)
24 August 1969Arkonam, INmonthly rain159.0 mm (6.3 in)49.0 mm (1.9 in)4 years47 of 100 (Notable)
11 June 1969Arkonam, INdaily rain71.1 mm (2.8 in)53.3 mm (2.1 in)42 years58 of 100 (Notable)
19 December 1968Arkonam, INdaily rain56.9 mm (2.2 in)6.9 mm (0.27 in)26 years15 of 100 (Routine)
8 June 1968Arkonam, INdaily rain17.8 mm (0.7 in)12.0 mm (0.5 in)7 years16 of 100 (Routine)

Extremes by Year

1901 to 1970
Yearly extremes at Arkonam: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Wettest day (Rx1day)245.6 mm (9.7 in)194396.5 mm (3.8 in)69
Wettest five days (Rx5day)407.6 mm (16.0 in)1943175.6 mm (6.9 in)69
Longest dry spell (CDD)156 days196581 days69

Wettest day (Rx1day)

Wettest day (Rx1day) at Arkonam by year The wettest day of the year at Arkonam, 1901 to 1970. The record is 245.6 mm (9.7 in) in 1943, marked on the chart; the median year is 96.5 mm (3.8 in). 050100150200250192019401960Record: 245.6 mm (9.7 in) in 1943
The wettest day of the year at Arkonam, 1901 to 1970. The record is 245.6 mm (9.7 in) in 1943, marked on the chart; the median year is 96.5 mm (3.8 in).
Wettest day (Rx1day) at Arkonam by year
YearWettest day (Rx1day)
1901207.0 mm (8.1 in)
1902107.7 mm (4.2 in)
1903177.8 mm (7.0 in)
190462.0 mm (2.4 in)
1905113.0 mm (4.4 in)
1906110.5 mm (4.4 in)
190772.4 mm (2.9 in)
190873.2 mm (2.9 in)
190996.5 mm (3.8 in)
1910136.7 mm (5.4 in)
1911109.2 mm (4.3 in)
1912157.5 mm (6.2 in)
1913102.4 mm (4.0 in)
191451.6 mm (2.0 in)
191592.7 mm (3.6 in)
1916105.9 mm (4.2 in)
191746.5 mm (1.8 in)
191892.2 mm (3.6 in)
191975.4 mm (3.0 in)
192055.4 mm (2.2 in)
192176.2 mm (3.0 in)
1922120.4 mm (4.7 in)
192397.8 mm (3.9 in)
1924206.5 mm (8.1 in)
192546.2 mm (1.8 in)
192682.0 mm (3.2 in)
192776.2 mm (3.0 in)
192876.2 mm (3.0 in)
192971.9 mm (2.8 in)
1930142.2 mm (5.6 in)
1931119.4 mm (4.7 in)
193274.9 mm (2.9 in)
1933161.3 mm (6.4 in)
1934108.0 mm (4.3 in)
1935147.3 mm (5.8 in)
193646.7 mm (1.8 in)
1937113.5 mm (4.5 in)
193865.5 mm (2.6 in)
193984.3 mm (3.3 in)
1940111.8 mm (4.4 in)
194177.5 mm (3.1 in)
194280.0 mm (3.1 in)
1943245.6 mm (9.7 in)
1944159.5 mm (6.3 in)
194580.0 mm (3.1 in)
1946123.2 mm (4.9 in)
1947105.4 mm (4.1 in)
194850.3 mm (2.0 in)
194995.0 mm (3.7 in)
1950100.8 mm (4.0 in)
1951100.3 mm (3.9 in)
1952121.9 mm (4.8 in)
195396.3 mm (3.8 in)
195490.2 mm (3.6 in)
195574.7 mm (2.9 in)
195663.0 mm (2.5 in)
195762.2 mm (2.4 in)
1958100.3 mm (3.9 in)
195962.0 mm (2.4 in)
1960108.2 mm (4.3 in)
196163.5 mm (2.5 in)
196268.8 mm (2.7 in)
196481.0 mm (3.2 in)
1965110.0 mm (4.3 in)
1966170.2 mm (6.7 in)
1967162.1 mm (6.4 in)
196861.4 mm (2.4 in)
1969177.5 mm (7.0 in)
1970177.5 mm (7.0 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Arkonam by year The wettest five days of the year at Arkonam, 1901 to 1970. The record is 407.6 mm (16.0 in) in 1943, marked on the chart; the median year is 175.6 mm (6.9 in). 0100200300400500192019401960Record: 407.6 mm (16.0 in) in 1943
The wettest five days of the year at Arkonam, 1901 to 1970. The record is 407.6 mm (16.0 in) in 1943, marked on the chart; the median year is 175.6 mm (6.9 in).
Wettest five days (Rx5day) at Arkonam by year
YearWettest five days (Rx5day)
1901294.4 mm (11.6 in)
1902232.5 mm (9.2 in)
1903349.5 mm (13.8 in)
1904352.5 mm (13.9 in)
1905251.7 mm (9.9 in)
1906253.8 mm (10.0 in)
1907100.6 mm (4.0 in)
1908248.2 mm (9.8 in)
1909143.7 mm (5.7 in)
1910185.1 mm (7.3 in)
1911191.0 mm (7.5 in)
1912306.1 mm (12.1 in)
1913157.0 mm (6.2 in)
1914132.0 mm (5.2 in)
1915183.2 mm (7.2 in)
1916181.6 mm (7.1 in)
1917134.9 mm (5.3 in)
1918140.4 mm (5.5 in)
1919151.1 mm (5.9 in)
1920139.7 mm (5.5 in)
1921115.6 mm (4.6 in)
1922213.1 mm (8.4 in)
1923167.4 mm (6.6 in)
1924257.0 mm (10.1 in)
1925140.7 mm (5.5 in)
1926227.6 mm (9.0 in)
1927191.8 mm (7.6 in)
1928107.7 mm (4.2 in)
1929122.0 mm (4.8 in)
1930299.0 mm (11.8 in)
1931205.9 mm (8.1 in)
1932120.3 mm (4.7 in)
1933300.0 mm (11.8 in)
1934241.4 mm (9.5 in)
1935283.5 mm (11.2 in)
193682.1 mm (3.2 in)
1937295.7 mm (11.6 in)
1938135.8 mm (5.3 in)
1939208.0 mm (8.2 in)
1940132.9 mm (5.2 in)
1941106.5 mm (4.2 in)
1942138.4 mm (5.4 in)
1943407.6 mm (16.0 in)
1944177.5 mm (7.0 in)
1945129.2 mm (5.1 in)
1946310.9 mm (12.2 in)
1947111.5 mm (4.4 in)
1948105.2 mm (4.1 in)
1949103.1 mm (4.1 in)
1950137.6 mm (5.4 in)
1951170.2 mm (6.7 in)
1952217.9 mm (8.6 in)
1953224.0 mm (8.8 in)
1954190.2 mm (7.5 in)
1955143.2 mm (5.6 in)
1956131.3 mm (5.2 in)
1957132.6 mm (5.2 in)
1958137.7 mm (5.4 in)
195997.6 mm (3.8 in)
1960187.5 mm (7.4 in)
1961104.2 mm (4.1 in)
1962158.7 mm (6.2 in)
1964151.6 mm (6.0 in)
1965175.6 mm (6.9 in)
1966308.3 mm (12.1 in)
1967376.0 mm (14.8 in)
196896.6 mm (3.8 in)
1969315.2 mm (12.4 in)
1970284.6 mm (11.2 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Arkonam by year The longest dry spell of the year at Arkonam, 1901 to 1970. The record is 156 days in 1965, marked on the chart; the median year is 81 days. 050100150200192019401960Record: 156 days in 1965
The longest dry spell of the year at Arkonam, 1901 to 1970. The record is 156 days in 1965, marked on the chart; the median year is 81 days.
Longest dry spell (CDD) at Arkonam by year
YearLongest dry spell (CDD)
190111 days
1902121 days
1903130 days
190429 days
190545 days
190658 days
190756 days
190899 days
1909102 days
191053 days
1911107 days
191266 days
1913105 days
191490 days
191547 days
191681 days
191781 days
191841 days
191971 days
192095 days
192182 days
1922114 days
192364 days
192481 days
192572 days
192671 days
192777 days
192851 days
192971 days
193033 days
1931102 days
193255 days
193370 days
193481 days
1935110 days
193638 days
193759 days
193846 days
193965 days
194085 days
1941132 days
194294 days
194388 days
194486 days
194561 days
194652 days
194744 days
194846 days
194993 days
195083 days
195189 days
195279 days
195399 days
195464 days
195593 days
195690 days
1957150 days
1958124 days
1959108 days
196078 days
1961139 days
1962111 days
1964132 days
1965156 days
1966123 days
196766 days
196877 days
1969122 days
197075 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

68 years, 1902 to 1970

A day with at least 93.6 mm (3.7 in) of rain is expected about once in 2 years. A day with at least 245.2 mm (9.7 in) of rain is expected about once in 100 years.

Rainfall return levels at Arkonam: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years93.6 mm (3.7 in)
5 years129.7 mm (5.1 in)
10 years155.3 mm (6.1 in)
25 years189.8 mm (7.5 in)
50 years216.9 mm (8.5 in)
100 years245.2 mm (9.7 in)Longer than the 68 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, 68 years of values from 1902 to 1970.

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: 245.6 mm (9.7 in) in 1943; 206.5 mm (8.1 in) in 1924; 177.8 mm (7.0 in) in 1903.

Download the Data

  • Data for Arkonam standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Arkonam 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 . Last revised (2025-12-31).