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Data as of 2025-12-31
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Built 2026-10-18 (18 October 2026)

Musoma Weather Records (TZ000063733)

Record envelope, standing records and threshold days for Musoma (TZ000063733), Tanzania, with 40 years of record.

Key Facts for Musoma

  • Musoma (TZ000063733) is a weather station in Tanzania at -1.50 latitude and 33.80 longitude, 1,147 m (3,763 ft) above sea level.
  • The station reports from 1950 to 1989, 40 years of record.
  • 0 records set at Musoma still stand.
  • Records are tracked for prcp: an element needs 30 years of data to be eligible.
  • Musoma set a daily record precipitation of 9.0 mm (0.35 in) on 30 December 1989.

About the Station

  • Location: Tanzania, -1.50 latitude, 33.80 longitude.
  • Elevation: 1,147 m (3,763 ft).
  • Period of record: 1950 to 1989, 40 years.
  • Eligible elements: prcp.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Musoma, with 2026 drawn through them The band shows the record high and record low for each calendar day at Musoma. 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 Musoma. 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 Musoma, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
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Which Years Hold Standing Records

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

Wettest Day of Each Month

Apr: 159.3 mm (6.3 in)
Record daily precipitation for each month at Musoma The wettest day on record for each calendar month at Musoma. The most was 159.3 mm (6.3 in) on 4 April 1954. 050100150200 Jan: 79.3 mm (3.1 in), 21 January 1960 Jan Feb: 127.6 mm (5.0 in), 12 February 1968 Feb Mar: 91.1 mm (3.6 in), 2 March 1964 Mar Apr: 159.3 mm (6.3 in), 4 April 1954 Apr May: 78.0 mm (3.1 in), 29 May 1957 May Jun: 64.6 mm (2.5 in), 25 June 1983 Jun Jul: 142.3 mm (5.6 in), 16 July 1950 Jul Aug: 71.4 mm (2.8 in), 26 August 1966 Aug Sep: 63.8 mm (2.5 in), 27 September 1971 Sep Oct: 68.9 mm (2.7 in), 31 October 1977 Oct Nov: 81.5 mm (3.2 in), 19 November 1977 Nov Dec: 89.9 mm (3.5 in), 22 December 1958 Dec
The wettest day on record for each calendar month at Musoma. The most was 159.3 mm (6.3 in) on 4 April 1954.
Record daily precipitation for each month at Musoma
MonthRecord daily precipitation (mm)Date
Jan79.3 mm (3.1 in)21 January 1960
Feb127.6 mm (5.0 in)12 February 1968
Mar91.1 mm (3.6 in)2 March 1964
Apr159.3 mm (6.3 in)4 April 1954
May78.0 mm (3.1 in)29 May 1957
Jun64.6 mm (2.5 in)25 June 1983
Jul142.3 mm (5.6 in)16 July 1950
Aug71.4 mm (2.8 in)26 August 1966
Sep63.8 mm (2.5 in)27 September 1971
Oct68.9 mm (2.7 in)31 October 1977
Nov81.5 mm (3.2 in)19 November 1977
Dec89.9 mm (3.5 in)22 December 1958

Latest Records

20
Latest records at Musoma
DateStationRecordValueBeat old record byOld record stoodSignificance
30 December 1989Musoma, TZdaily rain9.0 mm (0.35 in)2.6 mm (0.10 in)24 years13 of 100 (Routine)
25 December 1989Musoma, TZdaily rain72.7 mm (2.9 in)20.8 mm (0.8 in)0 years24 of 100 (Routine)
29 October 1989Musoma, TZdaily rain24.7 mm (1.0 in)5.6 mm (0.22 in)12 years13 of 100 (Routine)
10 October 1989Musoma, TZdaily rain55.2 mm (2.2 in)32.0 mm (1.3 in)20 years45 of 100 (Notable)
29 September 1989Musoma, TZdaily rain25.3 mm (1.0 in)5.5 mm (0.22 in)10 years14 of 100 (Routine)
25 September 1989Musoma, TZdaily rain34.0 mm (1.3 in)19.0 mm (0.7 in)38 years39 of 100 (Notable)
17 September 1989Musoma, TZdaily rain13.5 mm (0.5 in)6.7 mm (0.26 in)12 years15 of 100 (Routine)
7 September 1989Musoma, TZdaily rain9.8 mm (0.39 in)1.8 mm (0.07 in)12 years9 of 100 (Routine)
28 August 1989Musoma, TZdaily rain6.5 mm (0.26 in)0.1 mm (0.00 in)32 years13 of 100 (Routine)
6 August 1989Musoma, TZdaily rain13.4 mm (0.5 in)4.5 mm (0.18 in)28 years17 of 100 (Routine)
17 March 1989Musoma, TZdaily rain20.4 mm (0.8 in)9.2 mm (0.36 in)27 years18 of 100 (Routine)
28 December 1988Musoma, TZdaily rain38.0 mm (1.5 in)21.8 mm (0.9 in)9 years26 of 100 (Routine)
25 December 1988Musoma, TZdaily rain51.9 mm (2.0 in)40.1 mm (1.6 in)23 years48 of 100 (Notable)
30 October 1988Musoma, TZdaily rain8.7 mm (0.34 in)0.9 mm (0.04 in)10 years6 of 100 (Routine)
24 September 1988Musoma, TZdaily rain30.0 mm (1.2 in)25.2 mm (1.0 in)19 years40 of 100 (Notable)
19 September 1988Musoma, TZdaily rain16.5 mm (0.6 in)11.2 mm (0.4 in)10 years20 of 100 (Routine)
29 July 1988Musoma, TZdaily rain24.7 mm (1.0 in)12.7 mm (0.5 in)24 years16 of 100 (Routine)
21 July 1988Musoma, TZdaily rain8.8 mm (0.35 in)1.3 mm (0.05 in)18 years8 of 100 (Routine)
17 May 1988Musoma, TZdaily rain55.1 mm (2.2 in)39.0 mm (1.5 in)4 years42 of 100 (Notable)
1 May 1988Musoma, TZdaily rain62.7 mm (2.5 in)2.2 mm (0.09 in)1 year5 of 100 (Routine)

Extremes by Year

1950 to 1989
Yearly extremes at Musoma: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Wettest day (Rx1day)159.3 mm (6.3 in)195471.0 mm (2.8 in)40
Wettest five days (Rx5day)256.6 mm (10.1 in)1954113.1 mm (4.5 in)40
Longest dry spell (CDD)82 days198635 days40

Wettest day (Rx1day)

Wettest day (Rx1day) at Musoma by year The wettest day of the year at Musoma, 1950 to 1989. The record is 159.3 mm (6.3 in) in 1954, marked on the chart; the median year is 71.0 mm (2.8 in). 0501001502001950196019701980Record: 159.3 mm (6.3 in) in 1954
The wettest day of the year at Musoma, 1950 to 1989. The record is 159.3 mm (6.3 in) in 1954, marked on the chart; the median year is 71.0 mm (2.8 in).
Wettest day (Rx1day) at Musoma by year
YearWettest day (Rx1day)
1950142.3 mm (5.6 in)
195161.2 mm (2.4 in)
195287.6 mm (3.4 in)
195338.1 mm (1.5 in)
1954159.3 mm (6.3 in)
195552.1 mm (2.1 in)
195670.6 mm (2.8 in)
195798.3 mm (3.9 in)
195889.9 mm (3.5 in)
195948.5 mm (1.9 in)
1960102.9 mm (4.1 in)
196164.0 mm (2.5 in)
196282.3 mm (3.2 in)
196362.6 mm (2.5 in)
196491.1 mm (3.6 in)
196590.0 mm (3.5 in)
196671.4 mm (2.8 in)
196746.3 mm (1.8 in)
1968127.6 mm (5.0 in)
196973.6 mm (2.9 in)
197073.6 mm (2.9 in)
197163.8 mm (2.5 in)
197249.4 mm (1.9 in)
197379.8 mm (3.1 in)
197457.4 mm (2.3 in)
197549.9 mm (2.0 in)
197643.9 mm (1.7 in)
197781.5 mm (3.2 in)
1978104.1 mm (4.1 in)
1979108.4 mm (4.3 in)
198053.7 mm (2.1 in)
198185.2 mm (3.4 in)
198251.1 mm (2.0 in)
198364.6 mm (2.5 in)
198437.1 mm (1.5 in)
198557.8 mm (2.3 in)
198668.1 mm (2.7 in)
198779.1 mm (3.1 in)
198866.2 mm (2.6 in)
198972.7 mm (2.9 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Musoma by year The wettest five days of the year at Musoma, 1950 to 1989. The record is 256.6 mm (10.1 in) in 1954, marked on the chart; the median year is 113.1 mm (4.5 in). 501001502002503001950196019701980Record: 256.6 mm (10.1 in) in 1954
The wettest five days of the year at Musoma, 1950 to 1989. The record is 256.6 mm (10.1 in) in 1954, marked on the chart; the median year is 113.1 mm (4.5 in).
Wettest five days (Rx5day) at Musoma by year
YearWettest five days (Rx5day)
1950152.9 mm (6.0 in)
195180.9 mm (3.2 in)
1952112.3 mm (4.4 in)
195368.0 mm (2.7 in)
1954256.6 mm (10.1 in)
1955107.0 mm (4.2 in)
1956102.9 mm (4.1 in)
1957165.6 mm (6.5 in)
1958164.1 mm (6.5 in)
195976.8 mm (3.0 in)
1960154.9 mm (6.1 in)
1961147.2 mm (5.8 in)
196285.4 mm (3.4 in)
196375.3 mm (3.0 in)
1964103.2 mm (4.1 in)
1965119.5 mm (4.7 in)
1966113.6 mm (4.5 in)
196779.0 mm (3.1 in)
1968140.2 mm (5.5 in)
1969120.7 mm (4.8 in)
1970112.6 mm (4.4 in)
197196.1 mm (3.8 in)
197273.3 mm (2.9 in)
1973121.0 mm (4.8 in)
197484.7 mm (3.3 in)
1975114.4 mm (4.5 in)
197683.3 mm (3.3 in)
1977117.9 mm (4.6 in)
1978167.5 mm (6.6 in)
1979165.1 mm (6.5 in)
198064.2 mm (2.5 in)
1981175.6 mm (6.9 in)
1982115.0 mm (4.5 in)
198366.5 mm (2.6 in)
198463.2 mm (2.5 in)
1985132.2 mm (5.2 in)
1986142.3 mm (5.6 in)
198791.9 mm (3.6 in)
1988132.6 mm (5.2 in)
198999.2 mm (3.9 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Musoma by year The longest dry spell of the year at Musoma, 1950 to 1989. The record is 82 days in 1986, marked on the chart; the median year is 35 days. 0204060801001950196019701980Record: 82 days in 1986
The longest dry spell of the year at Musoma, 1950 to 1989. The record is 82 days in 1986, marked on the chart; the median year is 35 days.
Longest dry spell (CDD) at Musoma by year
YearLongest dry spell (CDD)
195027 days
195146 days
195237 days
195348 days
195422 days
195523 days
195628 days
195739 days
195821 days
195938 days
196056 days
196123 days
196245 days
196361 days
196436 days
196521 days
196632 days
196724 days
196852 days
196951 days
197037 days
197123 days
197258 days
197338 days
197423 days
197524 days
197624 days
197718 days
197832 days
197939 days
198066 days
198137 days
198236 days
198324 days
198423 days
198553 days
198682 days
198734 days
198824 days
198921 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

40 years, 1950 to 1989

A day with at least 69.7 mm (2.7 in) of rain is expected about once in 2 years. A day with at least 168.6 mm (6.6 in) of rain is expected about once in 100 years.

Rainfall return levels at Musoma: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years69.7 mm (2.7 in)
5 years93.6 mm (3.7 in)
10 years110.4 mm (4.3 in)
25 years132.8 mm (5.2 in)
50 years150.4 mm (5.9 in)Longer than the 40 years of record
100 years168.6 mm (6.6 in)Longer than the 40 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, 40 years of values from 1950 to 1989.

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: 159.3 mm (6.3 in) in 1954; 142.3 mm (5.6 in) in 1950; 127.6 mm (5.0 in) in 1968.

Download the Data

  • Data for Musoma standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Musoma 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 2026-10-16 (16 October 2026). Records are computed by this site and are not official.

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