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Built 2026-10-17 (17 October 2026)

Biswan Weather Records (IN023500101)

Record envelope, standing records and threshold days for Biswan (IN023500101), India, with 67 years of record.

Key Facts for Biswan

  • Biswan (IN023500101) is a weather station in India at 27.48 latitude and 81.00 longitude, 152 m (499 ft) above sea level.
  • The station reports from 1901 to 1967, 67 years of record.
  • 0 records set at Biswan still stand.
  • Records are tracked for prcp: an element needs 30 years of data to be eligible.
  • Biswan set a daily record precipitation of 7.4 mm (0.29 in) on 30 December 1967.

About the Station

  • Location: India, 27.48 latitude, 81.00 longitude.
  • Elevation: 152 m (499 ft).
  • Period of record: 1901 to 1967, 67 years.
  • Eligible elements: prcp.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Biswan, with 2026 drawn through them The band shows the record high and record low for each calendar day at Biswan. 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 Biswan. 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 Biswan, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jann/an/an/an/a
Febn/an/an/an/a
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Aprn/an/an/an/a
Mayn/an/an/an/a
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Juln/an/an/an/a
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Octn/an/an/an/a
Novn/an/an/an/a
Decn/an/an/an/a

Which Years Hold Standing Records

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

Wettest Day of Each Month

Jun: 309.9 mm (12.2 in)
Record daily precipitation for each month at Biswan The wettest day on record for each calendar month at Biswan. The most was 309.9 mm (12.2 in) on 22 June 1904. 0100200300400 Jan: 57.2 mm (2.3 in), 25 January 1955 Jan Feb: 55.6 mm (2.2 in), 6 February 1915 Feb Mar: 82.8 mm (3.3 in), 11 March 1929 Mar Apr: 66.0 mm (2.6 in), 21 April 1909 Apr May: 58.2 mm (2.3 in), 11 May 1914 May Jun: 309.9 mm (12.2 in), 22 June 1904 Jun Jul: 245.1 mm (9.6 in), 29 July 1936 Jul Aug: 262.6 mm (10.3 in), 6 August 1914 Aug Sep: 286.6 mm (11.3 in), 10 September 1965 Sep Oct: 241.3 mm (9.5 in), 6 October 1960 Oct Nov: 38.1 mm (1.5 in), 4 November 1932 Nov Dec: 41.1 mm (1.6 in), 4 December 1928 Dec
The wettest day on record for each calendar month at Biswan. The most was 309.9 mm (12.2 in) on 22 June 1904.
Record daily precipitation for each month at Biswan
MonthRecord daily precipitation (mm)Date
Jan57.2 mm (2.3 in)25 January 1955
Feb55.6 mm (2.2 in)6 February 1915
Mar82.8 mm (3.3 in)11 March 1929
Apr66.0 mm (2.6 in)21 April 1909
May58.2 mm (2.3 in)11 May 1914
Jun309.9 mm (12.2 in)22 June 1904
Jul245.1 mm (9.6 in)29 July 1936
Aug262.6 mm (10.3 in)6 August 1914
Sep286.6 mm (11.3 in)10 September 1965
Oct241.3 mm (9.5 in)6 October 1960
Nov38.1 mm (1.5 in)4 November 1932
Dec41.1 mm (1.6 in)4 December 1928

Latest Records

20
Latest records at Biswan
DateStationRecordValueBeat old record byOld record stoodSignificance
30 December 1967Biswan, INdaily rain7.4 mm (0.29 in)5.9 mm (0.23 in)10 years15 of 100 (Routine)
2 December 1967Biswan, INdaily rain7.0 mm (0.28 in)7.0 mm (0.28 in)65 years20 of 100 (Routine)
18 October 1967Biswan, INdaily rain (Tie)5.6 mm (0.22 in)tie41 years4 of 100 (Routine)
16 July 1967Biswan, INdaily rain101.0 mm (4.0 in)14.6 mm (0.6 in)20 years17 of 100 (Routine)
15 July 1967Biswan, INdaily rain (Tie)75.4 mm (3.0 in)tie32 years3 of 100 (Routine)
27 April 1967Biswan, INdaily rain10.6 mm (0.4 in)10.6 mm (0.4 in)65 years20 of 100 (Routine)
24 March 1967Biswan, INdaily rain70.0 mm (2.8 in)63.1 mm (2.5 in)22 years52 of 100 (Notable)
18 March 1967Biswan, INdaily rain1.0 mm (0.04 in)1.0 mm (0.04 in)65 years20 of 100 (Routine)
17 March 1967Biswan, INdaily rain6.0 mm (0.24 in)4.0 mm (0.16 in)12 years12 of 100 (Routine)
19 October 1965Biswan, INdaily rain31.0 mm (1.2 in)26.9 mm (1.1 in)19 years18 of 100 (Routine)
11 September 1965Biswan, INdaily rain76.7 mm (3.0 in)12.4 mm (0.5 in)22 years16 of 100 (Routine)
10 September 1965Biswan, INmonthly rain286.6 mm (11.3 in)49.1 mm (1.9 in)24 years39 of 100 (Notable)
2 April 1965Biswan, INdaily rain1.5 mm (0.06 in)1.5 mm (0.06 in)64 years20 of 100 (Routine)
21 August 1963Biswan, INdaily rain184.1 mm (7.2 in)124.7 mm (4.9 in)6 years48 of 100 (Notable)
12 July 1963Biswan, INdaily rain140.2 mm (5.5 in)48.8 mm (1.9 in)26 years31 of 100 (Routine)
6 June 1963Biswan, INdaily rain26.2 mm (1.0 in)3.8 mm (0.15 in)18 years12 of 100 (Routine)
10 March 1963Biswan, INdaily rain6.6 mm (0.26 in)6.6 mm (0.26 in)61 years20 of 100 (Routine)
26 September 1962Biswan, INdaily rain97.0 mm (3.8 in)25.1 mm (1.0 in)23 years20 of 100 (Routine)
21 September 1962Biswan, INdaily rain81.3 mm (3.2 in)10.2 mm (0.4 in)40 years21 of 100 (Routine)
27 August 1962Biswan, INdaily rain72.1 mm (2.8 in)34.0 mm (1.3 in)53 years34 of 100 (Routine)

Extremes by Year

1901 to 1967
Yearly extremes at Biswan: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Wettest day (Rx1day)309.9 mm (12.2 in)1904122.7 mm (4.8 in)65
Wettest five days (Rx5day)430.0 mm (16.9 in)1936217.0 mm (8.5 in)65
Longest dry spell (CDD)151 days194889 days65

Wettest day (Rx1day)

Wettest day (Rx1day) at Biswan by year The wettest day of the year at Biswan, 1901 to 1967. The record is 309.9 mm (12.2 in) in 1904, marked on the chart; the median year is 122.7 mm (4.8 in). 0100200300400192019401960Record: 309.9 mm (12.2 in) in 1904
The wettest day of the year at Biswan, 1901 to 1967. The record is 309.9 mm (12.2 in) in 1904, marked on the chart; the median year is 122.7 mm (4.8 in).
Wettest day (Rx1day) at Biswan by year
YearWettest day (Rx1day)
1901161.3 mm (6.4 in)
1902130.6 mm (5.1 in)
1903104.1 mm (4.1 in)
1904309.9 mm (12.2 in)
1905126.5 mm (5.0 in)
190687.6 mm (3.4 in)
190761.0 mm (2.4 in)
1908104.6 mm (4.1 in)
190989.4 mm (3.5 in)
1910132.6 mm (5.2 in)
1911118.6 mm (4.7 in)
1912152.4 mm (6.0 in)
191380.0 mm (3.1 in)
1914262.6 mm (10.3 in)
1915146.1 mm (5.8 in)
1916111.8 mm (4.4 in)
191771.9 mm (2.8 in)
191857.4 mm (2.3 in)
1919105.2 mm (4.1 in)
1920126.0 mm (5.0 in)
1921122.7 mm (4.8 in)
1922196.6 mm (7.7 in)
1923130.8 mm (5.1 in)
1924126.2 mm (5.0 in)
1925180.3 mm (7.1 in)
1926160.8 mm (6.3 in)
1927124.0 mm (4.9 in)
192898.6 mm (3.9 in)
1929106.9 mm (4.2 in)
1930123.7 mm (4.9 in)
193159.7 mm (2.4 in)
1932183.4 mm (7.2 in)
193355.9 mm (2.2 in)
193489.7 mm (3.5 in)
1935146.8 mm (5.8 in)
1936245.1 mm (9.6 in)
1937105.2 mm (4.1 in)
1938156.2 mm (6.1 in)
1939111.3 mm (4.4 in)
194080.3 mm (3.2 in)
1941237.5 mm (9.4 in)
1942113.5 mm (4.5 in)
194391.2 mm (3.6 in)
1944133.4 mm (5.3 in)
1945150.4 mm (5.9 in)
194673.2 mm (2.9 in)
1947155.4 mm (6.1 in)
194876.5 mm (3.0 in)
194983.6 mm (3.3 in)
1950104.1 mm (4.1 in)
195180.0 mm (3.1 in)
1952260.9 mm (10.3 in)
195375.4 mm (3.0 in)
195478.5 mm (3.1 in)
1955193.5 mm (7.6 in)
1956116.3 mm (4.6 in)
195795.3 mm (3.8 in)
1958166.4 mm (6.6 in)
1959158.7 mm (6.2 in)
1960241.3 mm (9.5 in)
1961206.5 mm (8.1 in)
1962121.7 mm (4.8 in)
1963184.1 mm (7.2 in)
1965286.6 mm (11.3 in)
1967101.0 mm (4.0 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Biswan by year The wettest five days of the year at Biswan, 1901 to 1967. The record is 430.0 mm (16.9 in) in 1936, marked on the chart; the median year is 217.0 mm (8.5 in). 0100200300400500192019401960Record: 430.0 mm (16.9 in) in 1936
The wettest five days of the year at Biswan, 1901 to 1967. The record is 430.0 mm (16.9 in) in 1936, marked on the chart; the median year is 217.0 mm (8.5 in).
Wettest five days (Rx5day) at Biswan by year
YearWettest five days (Rx5day)
1901278.9 mm (11.0 in)
1902236.8 mm (9.3 in)
1903262.6 mm (10.3 in)
1904337.8 mm (13.3 in)
1905169.2 mm (6.7 in)
1906223.2 mm (8.8 in)
1907157.7 mm (6.2 in)
1908110.7 mm (4.4 in)
1909197.4 mm (7.8 in)
1910196.1 mm (7.7 in)
1911179.3 mm (7.1 in)
1912177.6 mm (7.0 in)
1913149.4 mm (5.9 in)
1914375.9 mm (14.8 in)
1915349.8 mm (13.8 in)
1916216.9 mm (8.5 in)
1917171.0 mm (6.7 in)
191865.3 mm (2.6 in)
1919224.3 mm (8.8 in)
1920132.4 mm (5.2 in)
1921225.5 mm (8.9 in)
1922277.4 mm (10.9 in)
1923262.1 mm (10.3 in)
1924233.3 mm (9.2 in)
1925192.7 mm (7.6 in)
1926281.7 mm (11.1 in)
1927217.0 mm (8.5 in)
1928139.8 mm (5.5 in)
1929293.9 mm (11.6 in)
1930187.0 mm (7.4 in)
1931152.4 mm (6.0 in)
1932301.8 mm (11.9 in)
1933101.6 mm (4.0 in)
1934167.0 mm (6.6 in)
1935243.6 mm (9.6 in)
1936430.0 mm (16.9 in)
1937188.5 mm (7.4 in)
1938260.2 mm (10.2 in)
1939157.8 mm (6.2 in)
1940113.7 mm (4.5 in)
1941305.7 mm (12.0 in)
1942185.0 mm (7.3 in)
1943221.5 mm (8.7 in)
1944234.5 mm (9.2 in)
1945212.3 mm (8.4 in)
1946168.6 mm (6.6 in)
1947332.0 mm (13.1 in)
1948189.2 mm (7.4 in)
1949207.3 mm (8.2 in)
1950114.1 mm (4.5 in)
1951122.8 mm (4.8 in)
1952388.7 mm (15.3 in)
1953197.0 mm (7.8 in)
1954161.9 mm (6.4 in)
1955282.7 mm (11.1 in)
1956244.8 mm (9.6 in)
1957203.4 mm (8.0 in)
1958344.5 mm (13.6 in)
1959176.0 mm (6.9 in)
1960423.5 mm (16.7 in)
1961280.4 mm (11.0 in)
1962232.6 mm (9.2 in)
1963292.5 mm (11.5 in)
1965371.7 mm (14.6 in)
1967300.4 mm (11.8 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Biswan by year The longest dry spell of the year at Biswan, 1901 to 1967. The record is 151 days in 1948, marked on the chart; the median year is 89 days. 050100150200192019401960Record: 151 days in 1948
The longest dry spell of the year at Biswan, 1901 to 1967. The record is 151 days in 1948, marked on the chart; the median year is 89 days.
Longest dry spell (CDD) at Biswan by year
YearLongest dry spell (CDD)
190192 days
190271 days
1903118 days
1904133 days
1905102 days
190688 days
1907123 days
1908114 days
1909112 days
1910130 days
191168 days
191255 days
191363 days
191497 days
191597 days
191685 days
191765 days
191856 days
191982 days
1920106 days
192190 days
192295 days
1923120 days
1924141 days
1925113 days
192678 days
192750 days
192844 days
192982 days
193096 days
193175 days
1932127 days
193371 days
193489 days
193579 days
193650 days
193796 days
1938114 days
1939107 days
194075 days
1941100 days
194296 days
194371 days
194486 days
194568 days
194672 days
194786 days
1948151 days
194968 days
195097 days
195189 days
195299 days
195396 days
195493 days
195583 days
195677 days
195783 days
195830 days
195959 days
196085 days
1961119 days
196295 days
196359 days
196591 days
196775 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

65 years, 1901 to 1967

A day with at least 121.2 mm (4.8 in) of rain is expected about once in 2 years. A day with at least 348.5 mm (13.7 in) of rain is expected about once in 100 years.

Rainfall return levels at Biswan: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years121.2 mm (4.8 in)
5 years172.3 mm (6.8 in)
10 years209.8 mm (8.3 in)
25 years261.6 mm (10.3 in)
50 years303.6 mm (12.0 in)
100 years348.5 mm (13.7 in)Longer than the 65 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, 65 years of values from 1901 to 1967.

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: 309.9 mm (12.2 in) in 1904; 286.6 mm (11.3 in) in 1965; 262.6 mm (10.3 in) in 1914.

Download the Data

  • Data for Biswan standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Biswan 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 2026-10-15 (15 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2025-12-31).