Built 2026-10-18 (18 October 2026)

Helvecia (Efbm) Weather Records (BR001739006)

Record envelope, standing records and threshold days for Helvecia (Efbm) (BR001739006), Brazil, with 60 years of record.

Key Facts for Helvecia (Efbm)

  • Helvecia (Efbm) (BR001739006) is a weather station in Brazil at -17.81 latitude and -39.66 longitude, 59 m (194 ft) above sea level.
  • The station reports from 1941 to 2000, 60 years of record.
  • 0 records set at Helvecia (Efbm) still stand.
  • Records are tracked for prcp: an element needs 30 years of data to be eligible.
  • Helvecia (Efbm) set a daily record precipitation of 59.0 mm (2.3 in) on 19 November 2000.

About the Station

  • Location: Brazil, -17.81 latitude, -39.66 longitude.
  • Elevation: 59 m (194 ft).
  • Period of record: 1941 to 2000, 60 years.
  • Eligible elements: prcp.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Helvecia (Efbm), with 2026 drawn through them The band shows the record high and record low for each calendar day at Helvecia (Efbm). 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 Helvecia (Efbm). 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 Helvecia (Efbm), 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 Helvecia (Efbm) by the year they were set 0 records at Helvecia (Efbm) still stand. 00000000000
0 records at Helvecia (Efbm) still stand.
Standing records at Helvecia (Efbm) by the year they were set
Year setStanding records

All-Time Record Progression

2 new records
When Helvecia (Efbm) set new all-time records 2 all-time records were set at Helvecia (Efbm) between 1 December 1985 and 27 September 2000. Each dot is a new record. Record daily precipitation1 December 1985: Record daily precipitation 148.6 mm (5.9 in)27 September 2000: Record daily precipitation 170.2 mm (6.7 in)1985199019952000
2 all-time records were set at Helvecia (Efbm) between 1 December 1985 and 27 September 2000. Each dot is a new record.
When Helvecia (Efbm) set new all-time records
DateKindDetail
1985-12-01Record daily precipitationRecord daily precipitation 148.6 mm (5.9 in)
2000-09-27Record daily precipitationRecord daily precipitation 170.2 mm (6.7 in)

Wettest Day of Each Month

Sep: 170.2 mm (6.7 in)
Record daily precipitation for each month at Helvecia (Efbm) The wettest day on record for each calendar month at Helvecia (Efbm). The most was 170.2 mm (6.7 in) on 27 September 2000. 050100150200 Jan: 120.9 mm (4.8 in), 10 January 1985 Jan Feb: 102.6 mm (4.0 in), 9 February 1985 Feb Mar: 146.8 mm (5.8 in), 11 March 1992 Mar Apr: 84.4 mm (3.3 in), 10 April 1994 Apr May: 75.6 mm (3.0 in), 5 May 1983 May Jun: 95.9 mm (3.8 in), 24 June 1961 Jun Jul: 65.4 mm (2.6 in), 23 July 1986 Jul Aug: 75.0 mm (3.0 in), 29 August 1949 Aug Sep: 170.2 mm (6.7 in), 27 September 2000 Sep Oct: 114.6 mm (4.5 in), 25 October 1984 Oct Nov: 128.3 mm (5.1 in), 25 November 1987 Nov Dec: 148.6 mm (5.9 in), 1 December 1985 Dec
The wettest day on record for each calendar month at Helvecia (Efbm). The most was 170.2 mm (6.7 in) on 27 September 2000.
Record daily precipitation for each month at Helvecia (Efbm)
MonthRecord daily precipitation (mm)Date
Jan120.9 mm (4.8 in)10 January 1985
Feb102.6 mm (4.0 in)9 February 1985
Mar146.8 mm (5.8 in)11 March 1992
Apr84.4 mm (3.3 in)10 April 1994
May75.6 mm (3.0 in)5 May 1983
Jun95.9 mm (3.8 in)24 June 1961
Jul65.4 mm (2.6 in)23 July 1986
Aug75.0 mm (3.0 in)29 August 1949
Sep170.2 mm (6.7 in)27 September 2000
Oct114.6 mm (4.5 in)25 October 1984
Nov128.3 mm (5.1 in)25 November 1987
Dec148.6 mm (5.9 in)1 December 1985

Latest Records

20
Latest records at Helvecia (Efbm)
DateStationRecordValueBeat old record byOld record stoodSignificance
19 November 2000Helvecia (Efbm), BRdaily rain59.0 mm (2.3 in)40.4 mm (1.6 in)52 years46 of 100 (Notable)
17 November 2000Helvecia (Efbm), BRdaily rain55.6 mm (2.2 in)12.9 mm (0.5 in)40 years26 of 100 (Routine)
28 September 2000Helvecia (Efbm), BRdaily rain27.0 mm (1.1 in)8.6 mm (0.34 in)48 years28 of 100 (Routine)
27 September 2000Helvecia (Efbm), BRall-time rain170.2 mm (6.7 in)21.6 mm (0.9 in)14 years51 of 100 (Notable)
12 August 2000Helvecia (Efbm), BRdaily rain22.5 mm (0.9 in)2.5 mm (0.10 in)19 years13 of 100 (Routine)
1 May 2000Helvecia (Efbm), BRdaily rain49.4 mm (1.9 in)29.0 mm (1.1 in)6 years33 of 100 (Routine)
24 January 2000Helvecia (Efbm), BRdaily rain54.6 mm (2.1 in)17.6 mm (0.7 in)20 years23 of 100 (Routine)
21 January 2000Helvecia (Efbm), BRdaily rain40.0 mm (1.6 in)8.8 mm (0.35 in)22 years17 of 100 (Routine)
30 November 1999Helvecia (Efbm), BRdaily rain69.1 mm (2.7 in)34.1 mm (1.3 in)18 years32 of 100 (Routine)
29 November 1999Helvecia (Efbm), BRdaily rain (Tie)51.4 mm (2.0 in)tie8 years1 of 100 (Routine)
20 August 1999Helvecia (Efbm), BRdaily rain17.6 mm (0.7 in)6.0 mm (0.24 in)14 years15 of 100 (Routine)
16 July 1999Helvecia (Efbm), BRdaily rain63.3 mm (2.5 in)32.1 mm (1.3 in)28 years49 of 100 (Notable)
14 July 1999Helvecia (Efbm), BRdaily rain18.5 mm (0.7 in)3.5 mm (0.14 in)48 years20 of 100 (Routine)
13 July 1999Helvecia (Efbm), BRdaily rain38.7 mm (1.5 in)18.7 mm (0.7 in)4 years27 of 100 (Routine)
14 March 1999Helvecia (Efbm), BRdaily rain50.3 mm (2.0 in)14.0 mm (0.6 in)40 years26 of 100 (Routine)
4 March 1999Helvecia (Efbm), BRdaily rain57.4 mm (2.3 in)15.4 mm (0.6 in)42 years27 of 100 (Routine)
28 February 1999Helvecia (Efbm), BRdaily rain42.3 mm (1.7 in)15.1 mm (0.6 in)28 years21 of 100 (Routine)
19 December 1998Helvecia (Efbm), BRdaily rain75.8 mm (3.0 in)24.6 mm (1.0 in)8 years20 of 100 (Routine)
22 June 1998Helvecia (Efbm), BRdaily rain48.5 mm (1.9 in)23.1 mm (0.9 in)8 years32 of 100 (Routine)
30 May 1998Helvecia (Efbm), BRdaily rain24.2 mm (1.0 in)4.0 mm (0.16 in)20 years14 of 100 (Routine)

Extremes by Year

1941 to 2000
Yearly extremes at Helvecia (Efbm): the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Wettest day (Rx1day)170.2 mm (6.7 in)200069.8 mm (2.7 in)60
Wettest five days (Rx5day)242.2 mm (9.5 in)1942128.4 mm (5.1 in)60
Longest dry spell (CDD)63 days194124 days60

Wettest day (Rx1day)

Wettest day (Rx1day) at Helvecia (Efbm) by year The wettest day of the year at Helvecia (Efbm), 1941 to 2000. The record is 170.2 mm (6.7 in) in 2000, marked on the chart; the median year is 69.8 mm (2.7 in). 050100150200195019601970198019902000Record: 170.2 mm (6.7 in) in 2000
The wettest day of the year at Helvecia (Efbm), 1941 to 2000. The record is 170.2 mm (6.7 in) in 2000, marked on the chart; the median year is 69.8 mm (2.7 in).
Wettest day (Rx1day) at Helvecia (Efbm) by year
YearWettest day (Rx1day)
194156.5 mm (2.2 in)
194293.0 mm (3.7 in)
194377.6 mm (3.1 in)
194461.2 mm (2.4 in)
194555.8 mm (2.2 in)
194657.0 mm (2.2 in)
194737.4 mm (1.5 in)
194862.8 mm (2.5 in)
194993.0 mm (3.7 in)
195078.4 mm (3.1 in)
195120.2 mm (0.8 in)
195259.0 mm (2.3 in)
195379.5 mm (3.1 in)
195458.0 mm (2.3 in)
195571.0 mm (2.8 in)
195654.0 mm (2.1 in)
195742.5 mm (1.7 in)
195860.5 mm (2.4 in)
195956.4 mm (2.2 in)
196087.3 mm (3.4 in)
196195.9 mm (3.8 in)
196292.1 mm (3.6 in)
196344.2 mm (1.7 in)
196474.2 mm (2.9 in)
196556.4 mm (2.2 in)
196660.4 mm (2.4 in)
196759.7 mm (2.4 in)
196870.4 mm (2.8 in)
1969128.3 mm (5.1 in)
197058.5 mm (2.3 in)
197172.6 mm (2.9 in)
197263.2 mm (2.5 in)
197367.8 mm (2.7 in)
197465.3 mm (2.6 in)
197566.4 mm (2.6 in)
1976113.4 mm (4.5 in)
197758.4 mm (2.3 in)
197897.6 mm (3.8 in)
197965.0 mm (2.6 in)
198079.0 mm (3.1 in)
198193.4 mm (3.7 in)
198250.0 mm (2.0 in)
198378.6 mm (3.1 in)
1984114.6 mm (4.5 in)
1985148.6 mm (5.9 in)
1986141.6 mm (5.6 in)
1987128.3 mm (5.1 in)
198859.1 mm (2.3 in)
198982.2 mm (3.2 in)
199088.4 mm (3.5 in)
199160.2 mm (2.4 in)
1992146.8 mm (5.8 in)
199370.6 mm (2.8 in)
199484.4 mm (3.3 in)
199560.1 mm (2.4 in)
199659.3 mm (2.3 in)
199769.1 mm (2.7 in)
1998100.2 mm (3.9 in)
199977.5 mm (3.1 in)
2000170.2 mm (6.7 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Helvecia (Efbm) by year The wettest five days of the year at Helvecia (Efbm), 1941 to 2000. The record is 242.2 mm (9.5 in) in 1942, marked on the chart; the median year is 128.4 mm (5.1 in). 50100150200250195019601970198019902000Record: 242.2 mm (9.5 in) in 1942
The wettest five days of the year at Helvecia (Efbm), 1941 to 2000. The record is 242.2 mm (9.5 in) in 1942, marked on the chart; the median year is 128.4 mm (5.1 in).
Wettest five days (Rx5day) at Helvecia (Efbm) by year
YearWettest five days (Rx5day)
194198.0 mm (3.9 in)
1942242.2 mm (9.5 in)
1943105.0 mm (4.1 in)
194495.0 mm (3.7 in)
1945110.4 mm (4.3 in)
1946158.4 mm (6.2 in)
1947108.9 mm (4.3 in)
1948115.0 mm (4.5 in)
1949155.0 mm (6.1 in)
1950116.0 mm (4.6 in)
195161.6 mm (2.4 in)
195289.0 mm (3.5 in)
1953127.4 mm (5.0 in)
1954114.6 mm (4.5 in)
1955125.0 mm (4.9 in)
1956116.0 mm (4.6 in)
195792.0 mm (3.6 in)
1958128.1 mm (5.0 in)
195991.6 mm (3.6 in)
1960165.8 mm (6.5 in)
1961141.6 mm (5.6 in)
1962241.5 mm (9.5 in)
196367.8 mm (2.7 in)
1964148.8 mm (5.9 in)
196593.6 mm (3.7 in)
1966159.9 mm (6.3 in)
1967128.7 mm (5.1 in)
1968137.5 mm (5.4 in)
1969240.8 mm (9.5 in)
1970212.5 mm (8.4 in)
1971180.2 mm (7.1 in)
1972100.4 mm (4.0 in)
197397.2 mm (3.8 in)
1974101.6 mm (4.0 in)
1975107.7 mm (4.2 in)
1976170.6 mm (6.7 in)
1977124.4 mm (4.9 in)
1978165.2 mm (6.5 in)
1979192.4 mm (7.6 in)
1980174.0 mm (6.9 in)
1981222.2 mm (8.7 in)
198283.6 mm (3.3 in)
1983175.1 mm (6.9 in)
1984192.0 mm (7.6 in)
1985189.3 mm (7.5 in)
1986155.1 mm (6.1 in)
1987183.7 mm (7.2 in)
198897.2 mm (3.8 in)
1989101.5 mm (4.0 in)
1990130.1 mm (5.1 in)
199195.5 mm (3.8 in)
1992207.2 mm (8.2 in)
1993103.3 mm (4.1 in)
1994199.8 mm (7.9 in)
199588.0 mm (3.5 in)
1996147.4 mm (5.8 in)
199793.1 mm (3.7 in)
1998135.8 mm (5.3 in)
1999224.5 mm (8.8 in)
2000214.7 mm (8.5 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Helvecia (Efbm) by year The longest dry spell of the year at Helvecia (Efbm), 1941 to 2000. The record is 63 days in 1941, marked on the chart; the median year is 24 days. 020406080195019601970198019902000Record: 63 days in 1941
The longest dry spell of the year at Helvecia (Efbm), 1941 to 2000. The record is 63 days in 1941, marked on the chart; the median year is 24 days.
Longest dry spell (CDD) at Helvecia (Efbm) by year
YearLongest dry spell (CDD)
194163 days
194234 days
194311 days
194422 days
194515 days
194625 days
194738 days
194822 days
194916 days
195015 days
195131 days
195222 days
195315 days
195420 days
195515 days
195615 days
195726 days
195839 days
195918 days
196023 days
196128 days
196223 days
196355 days
196423 days
196528 days
196626 days
196719 days
196821 days
196917 days
197018 days
197122 days
197215 days
197337 days
197437 days
197515 days
197624 days
197737 days
197814 days
197915 days
198023 days
198121 days
198229 days
198323 days
198420 days
198534 days
198618 days
198731 days
198839 days
198926 days
199036 days
199127 days
199224 days
199329 days
199424 days
199527 days
199645 days
199728 days
199835 days
199948 days
200012 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

43 years, 1942 to 2000

A day with at least 76.8 mm (3.0 in) of rain is expected about once in 2 years. A day with at least 200.9 mm (7.9 in) of rain is expected about once in 100 years.

Rainfall return levels at Helvecia (Efbm): the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years76.8 mm (3.0 in)
5 years102.2 mm (4.0 in)
10 years121.8 mm (4.8 in)
25 years150.1 mm (5.9 in)
50 years174.2 mm (6.9 in)Longer than the 43 years of record
100 years200.9 mm (7.9 in)Longer than the 43 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, 43 years of values from 1942 to 2000.

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: 170.2 mm (6.7 in) in 2000; 148.6 mm (5.9 in) in 1985; 146.8 mm (5.8 in) in 1992.

Download the Data

  • Data for Helvecia (Efbm) standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Helvecia (Efbm) 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 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

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