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Data as of 2025-12-31
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Built 2026-10-17 (17 October 2026)

Loch Raven Dam Weather Records (USC00185340)

Record envelope, standing records and threshold days for Loch Raven Dam (USC00185340), Maryland, United States, with 30 years of record.

Key Facts for Loch Raven Dam

  • Loch Raven Dam (USC00185340) is a weather station in Maryland, United States at 39.43 latitude and -76.55 longitude, 58 m (190 ft) above sea level.
  • The station reports from 1948 to 1977, 30 years of record.
  • 0 records set at Loch Raven Dam still stand.
  • Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

  • Location: Maryland, United States, 39.43 latitude, -76.55 longitude.
  • Elevation: 58 m (190 ft).
  • Period of record: 1948 to 1977, 30 years.
  • Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Loch Raven Dam, with 2026 drawn through them The band shows the record high and record low for each calendar day at Loch Raven Dam. 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 Loch Raven Dam. 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 Loch Raven Dam, 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
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Sepn/an/an/an/a
Octn/an/an/an/a
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Decn/an/an/an/a

Which Years Hold Standing Records

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

Wettest Day of Each Month

Sep: 131.1 mm (5.2 in)
Record daily precipitation for each month at Loch Raven Dam The wettest day on record for each calendar month at Loch Raven Dam. The most was 131.1 mm (5.2 in) on 11 September 1971. 050100150 Jan: 52.1 mm (2.1 in), 9 January 1953 Jan Feb: 52.1 mm (2.1 in), 7 February 1965 Feb Mar: 55.9 mm (2.2 in), 11 March 1952 Mar Apr: 50.0 mm (2.0 in), 27 April 1952 Apr May: 68.6 mm (2.7 in), 9 May 1960 May Jun: 66.0 mm (2.6 in), 20 June 1963 Jun Jul: 91.4 mm (3.6 in), 21 July 1956 Jul Aug: 99.1 mm (3.9 in), 27 August 1971 Aug Sep: 131.1 mm (5.2 in), 11 September 1971 Sep Oct: 86.4 mm (3.4 in), 14 October 1955 Oct Nov: 69.1 mm (2.7 in), 20 November 1952 Nov Dec: 66.0 mm (2.6 in), 16 December 1974 Dec
The wettest day on record for each calendar month at Loch Raven Dam. The most was 131.1 mm (5.2 in) on 11 September 1971.
Record daily precipitation for each month at Loch Raven Dam
MonthRecord daily precipitation (mm)Date
Jan52.1 mm (2.1 in)9 January 1953
Feb52.1 mm (2.1 in)7 February 1965
Mar55.9 mm (2.2 in)11 March 1952
Apr50.0 mm (2.0 in)27 April 1952
May68.6 mm (2.7 in)9 May 1960
Jun66.0 mm (2.6 in)20 June 1963
Jul91.4 mm (3.6 in)21 July 1956
Aug99.1 mm (3.9 in)27 August 1971
Sep131.1 mm (5.2 in)11 September 1971
Oct86.4 mm (3.4 in)14 October 1955
Nov69.1 mm (2.7 in)20 November 1952
Dec66.0 mm (2.6 in)16 December 1974

Latest Records

0

No records were set at this station in the latest data.

Extremes by Year

1948 to 1977
Yearly extremes at Loch Raven Dam: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Wettest day (Rx1day)131.1 mm (5.2 in)197163.5 mm (2.5 in)29
Wettest five days (Rx5day)196.9 mm (7.8 in)197199.7 mm (3.9 in)28
Longest dry spell (CDD)28 days196319 days29

Wettest day (Rx1day)

Wettest day (Rx1day) at Loch Raven Dam by year The wettest day of the year at Loch Raven Dam, 1948 to 1977. The record is 131.1 mm (5.2 in) in 1971, marked on the chart; the median year is 63.5 mm (2.5 in). 050100150195019551960196519701975Record: 131.1 mm (5.2 in) in 1971
The wettest day of the year at Loch Raven Dam, 1948 to 1977. The record is 131.1 mm (5.2 in) in 1971, marked on the chart; the median year is 63.5 mm (2.5 in).
Wettest day (Rx1day) at Loch Raven Dam by year
YearWettest day (Rx1day)
19484.3 mm (0.17 in)
195090.4 mm (3.6 in)
195191.4 mm (3.6 in)
195269.1 mm (2.7 in)
195366.0 mm (2.6 in)
195434.8 mm (1.4 in)
195586.4 mm (3.4 in)
195691.4 mm (3.6 in)
195756.4 mm (2.2 in)
195855.6 mm (2.2 in)
195935.8 mm (1.4 in)
1960103.9 mm (4.1 in)
196180.8 mm (3.2 in)
196251.3 mm (2.0 in)
196371.9 mm (2.8 in)
196450.8 mm (2.0 in)
196559.7 mm (2.4 in)
196669.9 mm (2.8 in)
196774.9 mm (2.9 in)
196891.4 mm (3.6 in)
196955.1 mm (2.2 in)
197038.9 mm (1.5 in)
1971131.1 mm (5.2 in)
197253.3 mm (2.1 in)
197348.8 mm (1.9 in)
197476.2 mm (3.0 in)
197563.5 mm (2.5 in)
197646.0 mm (1.8 in)
197745.7 mm (1.8 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Loch Raven Dam by year The wettest five days of the year at Loch Raven Dam, 1948 to 1977. The record is 196.9 mm (7.8 in) in 1971, marked on the chart; the median year is 99.7 mm (3.9 in). 50100150200195019551960196519701975Record: 196.9 mm (7.8 in) in 1971
The wettest five days of the year at Loch Raven Dam, 1948 to 1977. The record is 196.9 mm (7.8 in) in 1971, marked on the chart; the median year is 99.7 mm (3.9 in).
Wettest five days (Rx5day) at Loch Raven Dam by year
YearWettest five days (Rx5day)
1948n/a
1950133.0 mm (5.2 in)
1951115.0 mm (4.5 in)
1952151.5 mm (6.0 in)
195379.5 mm (3.1 in)
195450.8 mm (2.0 in)
1955101.1 mm (4.0 in)
1956100.5 mm (4.0 in)
195798.8 mm (3.9 in)
1958110.7 mm (4.4 in)
195984.9 mm (3.3 in)
1960144.0 mm (5.7 in)
1961113.3 mm (4.5 in)
196268.9 mm (2.7 in)
196379.5 mm (3.1 in)
196489.7 mm (3.5 in)
1965125.7 mm (4.9 in)
196694.7 mm (3.7 in)
1967190.8 mm (7.5 in)
1968120.4 mm (4.7 in)
1969107.2 mm (4.2 in)
197067.3 mm (2.6 in)
1971196.9 mm (7.8 in)
197270.0 mm (2.8 in)
197374.6 mm (2.9 in)
197496.5 mm (3.8 in)
1975176.8 mm (7.0 in)
197695.5 mm (3.8 in)
197785.6 mm (3.4 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Loch Raven Dam by year The longest dry spell of the year at Loch Raven Dam, 1948 to 1977. The record is 28 days in 1963, marked on the chart; the median year is 19 days. 0102030195019551960196519701975Record: 28 days in 1963
The longest dry spell of the year at Loch Raven Dam, 1948 to 1977. The record is 28 days in 1963, marked on the chart; the median year is 19 days.
Longest dry spell (CDD) at Loch Raven Dam by year
YearLongest dry spell (CDD)
19481 day
195015 days
195114 days
195222 days
195321 days
195418 days
195527 days
195614 days
195714 days
195816 days
195918 days
196019 days
196113 days
196222 days
196328 days
196427 days
196520 days
196620 days
196723 days
196826 days
196916 days
197019 days
197120 days
197213 days
197326 days
197419 days
197515 days
197621 days
197719 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.

Download the Data

  • Data for Loch Raven Dam standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Loch Raven Dam 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).