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Data as of 2025-12-31
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Built 2026-10-15 (15 October 2026)

Heltermaa Weather Records (ENE00174995)

Record envelope, standing records and threshold days for Heltermaa (ENE00174995), Estonia, with 76 years of record.

Key Facts for Heltermaa

  • Heltermaa (ENE00174995) is a weather station in Estonia at 58.86 latitude and 23.04 longitude, 4 m (13 ft) above sea level.
  • The station reports from 1951 to 2026, 76 years of record.
  • 0 records set at Heltermaa still stand.
  • Records are tracked for prcp: an element needs 30 years of data to be eligible.
  • Heltermaa set a daily record precipitation of 22.4 mm (0.9 in) on 13 November 2025.

About the Station

  • Location: Estonia, 58.86 latitude, 23.04 longitude.
  • Elevation: 4 m (13 ft).
  • Period of record: 1951 to 2026, 76 years.
  • Eligible elements: prcp.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Heltermaa, with 2026 drawn through them The band shows the record high and record low for each calendar day at Heltermaa. 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 Heltermaa. 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 Heltermaa, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jann/an/an/an/a
Febn/an/an/an/a
Marn/an/an/an/a
Aprn/an/an/an/a
Mayn/an/an/an/a
Junn/an/an/an/a
Juln/an/an/an/a
Augn/an/an/an/a
Sepn/an/an/an/a
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 Heltermaa by the year they were set 0 records at Heltermaa still stand. 00000000000
0 records at Heltermaa still stand.
Standing records at Heltermaa by the year they were set
Year setStanding records

All-Time Record Progression

1 new records
When Heltermaa set new all-time records 1 all-time records were set at Heltermaa between 27 July 1988 and 27 July 1988. Each dot is a new record. Record daily precipitation27 July 1988: Record daily precipitation 58.4 mm (2.3 in)
1 all-time records were set at Heltermaa between 27 July 1988 and 27 July 1988. Each dot is a new record.
When Heltermaa set new all-time records
DateKindDetail
1988-07-27Record daily precipitationRecord daily precipitation 58.4 mm (2.3 in)

Wettest Day of Each Month

Jul: 58.4 mm (2.3 in)
Record daily precipitation for each month at Heltermaa The wettest day on record for each calendar month at Heltermaa. The most was 58.4 mm (2.3 in) on 27 July 1988. 0204060 Jan: 20.8 mm (0.8 in), 12 January 2000 Jan Feb: 20.2 mm (0.8 in), 22 February 2020 Feb Mar: 22.0 mm (0.9 in), 8 March 1969 Mar Apr: 21.9 mm (0.9 in), 24 April 1975 Apr May: 29.4 mm (1.2 in), 31 May 2007 May Jun: 43.7 mm (1.7 in), 9 June 2025 Jun Jul: 58.4 mm (2.3 in), 27 July 1988 Jul Aug: 57.0 mm (2.2 in), 11 August 1972 Aug Sep: 47.7 mm (1.9 in), 8 September 2008 Sep Oct: 35.8 mm (1.4 in), 20 October 2021 Oct Nov: 34.4 mm (1.4 in), 4 November 2000 Nov Dec: 21.6 mm (0.9 in), 26 December 1988 Dec
The wettest day on record for each calendar month at Heltermaa. The most was 58.4 mm (2.3 in) on 27 July 1988.
Record daily precipitation for each month at Heltermaa
MonthRecord daily precipitation (mm)Date
Jan20.8 mm (0.8 in)12 January 2000
Feb20.2 mm (0.8 in)22 February 2020
Mar22.0 mm (0.9 in)8 March 1969
Apr21.9 mm (0.9 in)24 April 1975
May29.4 mm (1.2 in)31 May 2007
Jun43.7 mm (1.7 in)9 June 2025
Jul58.4 mm (2.3 in)27 July 1988
Aug57.0 mm (2.2 in)11 August 1972
Sep47.7 mm (1.9 in)8 September 2008
Oct35.8 mm (1.4 in)20 October 2021
Nov34.4 mm (1.4 in)4 November 2000
Dec21.6 mm (0.9 in)26 December 1988

Latest Records

20
Latest records at Heltermaa
DateStationRecordValueBeat old record byOld record stoodSignificance
13 November 2025Heltermaa, EEdaily rain22.4 mm (0.9 in)5.4 mm (0.21 in)24 years20 of 100 (Routine)
17 September 2025Heltermaa, EEdaily rain13.0 mm (0.5 in)1.2 mm (0.05 in)12 years12 of 100 (Routine)
9 June 2025Heltermaa, EEmonthly rain43.7 mm (1.7 in)1.5 mm (0.06 in)5 years20 of 100 (Routine)
20 April 2025Heltermaa, EEdaily rain16.0 mm (0.6 in)5.1 mm (0.20 in)18 years20 of 100 (Routine)
1 January 2025Heltermaa, EEdaily rain20.7 mm (0.8 in)10.1 mm (0.4 in)47 years20 of 100 (Routine)
19 December 2024Heltermaa, EEdaily rain12.9 mm (0.5 in)2.2 mm (0.09 in)31 years20 of 100 (Routine)
3 July 2024Heltermaa, EEdaily rain16.1 mm (0.6 in)0.3 mm (0.01 in)73 years20 of 100 (Routine)
2 April 2024Heltermaa, EEdaily rain14.7 mm (0.6 in)5.8 mm (0.23 in)32 years20 of 100 (Routine)
24 February 2024Heltermaa, EEdaily rain11.9 mm (0.5 in)1.6 mm (0.06 in)33 years20 of 100 (Routine)
24 November 2023Heltermaa, EEdaily rain10.0 mm (0.4 in)1.4 mm (0.06 in)41 years20 of 100 (Routine)
31 October 2023Heltermaa, EEdaily rain16.2 mm (0.6 in)1.6 mm (0.06 in)46 years20 of 100 (Routine)
28 August 2023Heltermaa, EEdaily rain34.6 mm (1.4 in)8.4 mm (0.33 in)16 years22 of 100 (Routine)
25 April 2023Heltermaa, EEdaily rain8.3 mm (0.33 in)2.2 mm (0.09 in)9 years16 of 100 (Routine)
3 January 2023Heltermaa, EEdaily rain16.3 mm (0.6 in)5.3 mm (0.21 in)11 years20 of 100 (Routine)
23 August 2022Heltermaa, EEdaily rain18.6 mm (0.7 in)1.8 mm (0.07 in)9 years11 of 100 (Routine)
13 July 2022Heltermaa, EEdaily rain24.1 mm (0.9 in)12.8 mm (0.5 in)60 years20 of 100 (Routine)
8 July 2022Heltermaa, EEdaily rain39.7 mm (1.6 in)7.7 mm (0.30 in)52 years32 of 100 (Routine)
29 June 2022Heltermaa, EEdaily rain21.4 mm (0.8 in)7.2 mm (0.28 in)40 years20 of 100 (Routine)
2 June 2022Heltermaa, EEdaily rain15.0 mm (0.6 in)4.5 mm (0.18 in)68 years20 of 100 (Routine)
27 May 2022Heltermaa, EEdaily rain11.0 mm (0.4 in)5.2 mm (0.20 in)48 years20 of 100 (Routine)

Extremes by Year

1951 to 2026
Yearly extremes at Heltermaa: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Wettest day (Rx1day)58.4 mm (2.3 in)198828.7 mm (1.1 in)76
Wettest five days (Rx5day)142.9 mm (5.6 in)198851.7 mm (2.0 in)76
Longest dry spell (CDD)140 days195524 days76

Wettest day (Rx1day)

Wettest day (Rx1day) at Heltermaa by year The wettest day of the year at Heltermaa, 1951 to 2026. The record is 58.4 mm (2.3 in) in 1988, marked on the chart; the median year is 28.7 mm (1.1 in). 02040601960198020002020Record: 58.4 mm (2.3 in) in 1988
The wettest day of the year at Heltermaa, 1951 to 2026. The record is 58.4 mm (2.3 in) in 1988, marked on the chart; the median year is 28.7 mm (1.1 in).
Wettest day (Rx1day) at Heltermaa by year
YearWettest day (Rx1day)
195120.4 mm (0.8 in)
195215.8 mm (0.6 in)
195328.5 mm (1.1 in)
195440.0 mm (1.6 in)
195518.2 mm (0.7 in)
195637.2 mm (1.5 in)
195721.4 mm (0.8 in)
195822.6 mm (0.9 in)
195924.3 mm (1.0 in)
196052.0 mm (2.0 in)
196121.7 mm (0.9 in)
196218.6 mm (0.7 in)
196316.8 mm (0.7 in)
196419.1 mm (0.8 in)
196538.0 mm (1.5 in)
196629.0 mm (1.1 in)
196750.4 mm (2.0 in)
196821.0 mm (0.8 in)
196932.3 mm (1.3 in)
197045.3 mm (1.8 in)
197133.8 mm (1.3 in)
197257.0 mm (2.2 in)
197324.8 mm (1.0 in)
197419.2 mm (0.8 in)
197521.9 mm (0.9 in)
197628.8 mm (1.1 in)
197725.5 mm (1.0 in)
197827.4 mm (1.1 in)
197918.5 mm (0.7 in)
198035.6 mm (1.4 in)
198128.3 mm (1.1 in)
198226.9 mm (1.1 in)
198324.5 mm (1.0 in)
198420.7 mm (0.8 in)
198521.9 mm (0.9 in)
198639.5 mm (1.6 in)
198730.3 mm (1.2 in)
198858.4 mm (2.3 in)
198947.3 mm (1.9 in)
199032.7 mm (1.3 in)
199127.5 mm (1.1 in)
199220.3 mm (0.8 in)
199341.5 mm (1.6 in)
199425.7 mm (1.0 in)
199544.8 mm (1.8 in)
199645.2 mm (1.8 in)
199726.7 mm (1.1 in)
199825.0 mm (1.0 in)
199917.2 mm (0.7 in)
200034.4 mm (1.4 in)
200152.0 mm (2.0 in)
200248.0 mm (1.9 in)
200322.8 mm (0.9 in)
200435.3 mm (1.4 in)
200535.1 mm (1.4 in)
200624.9 mm (1.0 in)
200744.3 mm (1.7 in)
200847.7 mm (1.9 in)
200948.0 mm (1.9 in)
201048.2 mm (1.9 in)
201136.6 mm (1.4 in)
201240.5 mm (1.6 in)
201326.4 mm (1.0 in)
201432.7 mm (1.3 in)
201519.8 mm (0.8 in)
201629.4 mm (1.2 in)
201723.3 mm (0.9 in)
201827.1 mm (1.1 in)
201942.2 mm (1.7 in)
202020.2 mm (0.8 in)
202142.0 mm (1.7 in)
202239.7 mm (1.6 in)
202334.6 mm (1.4 in)
202424.3 mm (1.0 in)
202543.7 mm (1.7 in)
202616.6 mm (0.7 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Heltermaa by year The wettest five days of the year at Heltermaa, 1951 to 2026. The record is 142.9 mm (5.6 in) in 1988, marked on the chart; the median year is 51.7 mm (2.0 in). 0501001501960198020002020Record: 142.9 mm (5.6 in) in 1988
The wettest five days of the year at Heltermaa, 1951 to 2026. The record is 142.9 mm (5.6 in) in 1988, marked on the chart; the median year is 51.7 mm (2.0 in).
Wettest five days (Rx5day) at Heltermaa by year
YearWettest five days (Rx5day)
195134.6 mm (1.4 in)
195233.1 mm (1.3 in)
195343.9 mm (1.7 in)
195444.9 mm (1.8 in)
195541.6 mm (1.6 in)
195652.0 mm (2.0 in)
195738.5 mm (1.5 in)
195830.4 mm (1.2 in)
195959.2 mm (2.3 in)
196060.1 mm (2.4 in)
196147.0 mm (1.9 in)
196242.4 mm (1.7 in)
196349.5 mm (1.9 in)
196443.2 mm (1.7 in)
196549.4 mm (1.9 in)
196655.9 mm (2.2 in)
196752.5 mm (2.1 in)
196858.3 mm (2.3 in)
196948.8 mm (1.9 in)
197049.4 mm (1.9 in)
197165.6 mm (2.6 in)
197262.7 mm (2.5 in)
197340.7 mm (1.6 in)
197452.6 mm (2.1 in)
197534.6 mm (1.4 in)
197647.0 mm (1.9 in)
197743.1 mm (1.7 in)
197892.6 mm (3.6 in)
197946.6 mm (1.8 in)
198050.5 mm (2.0 in)
198148.4 mm (1.9 in)
198256.3 mm (2.2 in)
198357.2 mm (2.3 in)
198448.8 mm (1.9 in)
198541.1 mm (1.6 in)
198652.8 mm (2.1 in)
198755.2 mm (2.2 in)
1988142.9 mm (5.6 in)
198947.6 mm (1.9 in)
199062.6 mm (2.5 in)
199152.4 mm (2.1 in)
199246.0 mm (1.8 in)
199353.4 mm (2.1 in)
199457.2 mm (2.3 in)
199569.1 mm (2.7 in)
199672.7 mm (2.9 in)
199748.9 mm (1.9 in)
199869.3 mm (2.7 in)
199950.6 mm (2.0 in)
200048.2 mm (1.9 in)
200173.5 mm (2.9 in)
200251.4 mm (2.0 in)
200343.6 mm (1.7 in)
200456.5 mm (2.2 in)
200573.4 mm (2.9 in)
200632.1 mm (1.3 in)
200789.3 mm (3.5 in)
200859.1 mm (2.3 in)
200970.8 mm (2.8 in)
201064.7 mm (2.5 in)
201151.5 mm (2.0 in)
201267.5 mm (2.7 in)
201337.7 mm (1.5 in)
201456.5 mm (2.2 in)
201548.7 mm (1.9 in)
201652.0 mm (2.0 in)
201751.8 mm (2.0 in)
201861.1 mm (2.4 in)
201958.4 mm (2.3 in)
202043.8 mm (1.7 in)
202168.9 mm (2.7 in)
202262.4 mm (2.5 in)
202351.6 mm (2.0 in)
202437.2 mm (1.5 in)
202565.8 mm (2.6 in)
202636.7 mm (1.4 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Heltermaa by year The longest dry spell of the year at Heltermaa, 1951 to 2026. The record is 140 days in 1955, marked on the chart; the median year is 24 days. 0501001501960198020002020Record: 140 days in 1955
The longest dry spell of the year at Heltermaa, 1951 to 2026. The record is 140 days in 1955, marked on the chart; the median year is 24 days.
Longest dry spell (CDD) at Heltermaa by year
YearLongest dry spell (CDD)
195130 days
195219 days
195328 days
1954102 days
1955140 days
195623 days
195714 days
195824 days
195931 days
196025 days
196129 days
196223 days
196322 days
196471 days
196520 days
196621 days
196717 days
196830 days
196927 days
197020 days
197123 days
197233 days
197317 days
197445 days
197518 days
197624 days
197713 days
197824 days
197922 days
198024 days
198118 days
198229 days
198328 days
198420 days
198513 days
198628 days
198736 days
198845 days
198929 days
199024 days
199117 days
199222 days
199338 days
199418 days
199519 days
199634 days
199726 days
199826 days
199928 days
200023 days
200114 days
200242 days
200325 days
200415 days
200523 days
200635 days
200728 days
200827 days
200934 days
201035 days
201126 days
201211 days
201333 days
201419 days
201528 days
201623 days
201717 days
201831 days
201921 days
202019 days
202119 days
202222 days
202319 days
202433 days
202519 days
202634 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, 1954 to 2025

A day with at least 30.7 mm (1.2 in) of rain is expected about once in 2 years. A day with at least 66.3 mm (2.6 in) of rain is expected about once in 100 years.

Rainfall return levels at Heltermaa: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years30.7 mm (1.2 in)
5 years40.9 mm (1.6 in)
10 years47.4 mm (1.9 in)
25 years55.2 mm (2.2 in)
50 years60.9 mm (2.4 in)
100 years66.3 mm (2.6 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 1954 to 2025.

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: 58.4 mm (2.3 in) in 1988; 57.0 mm (2.2 in) in 1972; 52.0 mm (2.0 in) in 1960.

Download the Data

  • Data for Heltermaa standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Heltermaa 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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.

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