Mersrags Weather Records (LG000026324)

Record envelope, standing records and threshold days for Mersrags (LG000026324), Latvia, with 68 years of record.

Key Facts for Mersrags

Mersrags (LG000026324) is a weather station in Latvia at 57.35 latitude and 23.12 longitude, 6 m (20 ft) above sea level.
The station reports from 1959 to 2026, 68 years of record.
1,464 records set at Mersrags still stand.
Records are tracked for prcp: an element needs 30 years of data to be eligible.
Mersrags set a daily record precipitation of 27.6 mm (1.1 in) on 23 August 2026 (provisional).

Provisional Records

Records set in the last 60 days are provisional until they clear the revision window.

About the Station

Location: Latvia, 57.35 latitude, 23.12 longitude.
Elevation: 6 m (20 ft).
Period of record: 1959 to 2026, 68 years.
Eligible elements: prcp.

Daily Record Envelope and 2026

14 days at or beyond a record

The band shows the record high and record low for each calendar day at Mersrags. The lines show the 2026 daily maximum and minimum. 14 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Mersrags, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	8.6 C (47.5 F)	-32.2 C (-26.0 F)	1.2 C (34.2 F)	-20.6 C (-5.1 F)
Feb	9.5 C (49.1 F)	-29.9 C (-21.8 F)	-3.8 C (25.2 F)	-21.5 C (-6.7 F)
Mar	18.0 C (64.4 F)	-21.0 C (-5.8 F)	n/a	n/a
Apr	27.0 C (80.6 F)	-10.3 C (13.5 F)	16.5 C (61.7 F)	-3.3 C (26.1 F)
May	28.5 C (83.3 F)	-4.1 C (24.6 F)	24.8 C (76.6 F)	1.3 C (34.3 F)
Jun	32.7 C (90.9 F)	-2.3 C (27.9 F)	30.3 C (86.5 F)	8.0 C (46.4 F)
Jul	33.0 C (91.4 F)	0.6 C (33.1 F)	30.8 C (87.4 F)	9.1 C (48.4 F)
Aug	31.1 C (88.0 F)	1.0 C (33.8 F)	29.2 C (84.6 F)	8.8 C (47.8 F)
Sep	26.5 C (79.7 F)	-3.9 C (25.0 F)	25.9 C (78.6 F)	4.7 C (40.5 F)
Oct	21.0 C (69.8 F)	-6.0 C (21.2 F)	16.8 C (62.2 F)	6.5 C (43.7 F)
Nov	15.2 C (59.4 F)	-12.4 C (9.7 F)	n/a	n/a
Dec	10.3 C (50.5 F)	-25.6 C (-14.1 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Mersrags still stand. 2025 holds the most, with 108.

Standing records at Mersrags by the year they were set
Year set	Standing records
1959	2
1969	33
1970	28
1971	12
1973	16
1974	25
1975	6
1976	2
1977	1
1988	2
1989	1
1990	2
1991	2
1993	55
1994	68
1995	57
1996	78
1997	83
1998	73
1999	59
2000	70
2001	37
2009	60
2010	82
2011	62
2012	71
2013	63
2014	25
2021	16
2022	87
2023	46
2024	102
2025	108
2026	30

Wettest Day of Each Month

Apr: 99.1 mm (3.9 in)

The wettest day on record for each calendar month at Mersrags. The most was 99.1 mm (3.9 in) on 19 April 1994.

Record daily precipitation for each month at Mersrags
Month	Record daily precipitation (mm)	Date
Jan	22.3 mm (0.9 in)	9 January 1992
Feb	18.0 mm (0.7 in)	16 February 1998
Mar	24.7 mm (1.0 in)	22 March 1991
Apr	99.1 mm (3.9 in)	19 April 1994
May	31.7 mm (1.2 in)	6 May 1991
Jun	67.9 mm (2.7 in)	24 June 1990
Jul	66.0 mm (2.6 in)	29 July 2011
Aug	61.0 mm (2.4 in)	28 August 2010
Sep	52.6 mm (2.1 in)	2 September 1985
Oct	38.6 mm (1.5 in)	15 October 1972
Nov	89.9 mm (3.5 in)	7 November 1993
Dec	25.1 mm (1.0 in)	24 December 2010

Period of Record Coverage

1959 to 2026

34 years of record at Mersrags, 1959 to 2026. 31 years have data for under 90 percent of days and are left out of rankings: 1959, 1969, 1970, 1971, 1973, 1974, 1975, 1976 and others.

Days with data per year at Mersrags
Year	Days with data	Share of year	Complete
1959	13	4%	No
1969	117	32%	No
1970	190	52%	No
1971	52	14%	No
1973	93	25%	No
1974	163	45%	No
1975	37	10%	No
1976	8	2%	No
1977	2	1%	No
1989	4	1%	No
1990	5	1%	No
1991	4	1%	No
1993	155	42%	No
1994	310	85%	No
1995	306	84%	No
1996	303	83%	No
1997	315	86%	No
1998	301	82%	No
1999	305	84%	No
2000	326	89%	No
2001	195	53%	No
2008	11	3%	No
2009	318	87%	No
2010	320	88%	No
2011	320	88%	No
2012	315	86%	No
2013	99	27%	No
2014	8	2%	No
2021	72	20%	No
2022	360	99%	Yes
2023	169	46%	No
2024	336	92%	Yes
2025	335	92%	Yes
2026	218	60%	No

Latest Records

Latest records at Mersrags
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 August 2026	Mersrags, LV	daily rain (Provisional)	27.6 mm (1.1 in)	5.0 mm (0.20 in)	53 years	28 of 100 (Routine)
16 January 2024	Mersrags, LV	daily rain	9.9 mm (0.39 in)	2.7 mm (0.11 in)	49 years	20 of 100 (Routine)

Extremes by Year

1959 to 2026

Yearly extremes at Mersrags: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	33.0 C (91.4 F)	1994	27.1 C (80.8 F)	34
Coldest night (TNn)	-32.2 C (-26.0 F)	1970	-17.2 C (1.0 F)	36
Wettest day (Rx1day)	99.1 mm (3.9 in)	1994	29.8 mm (1.2 in)	47
Wettest five days (Rx5day)	100.1 mm (3.9 in)	1994	48.5 mm (1.9 in)	43
Longest dry spell (CDD)	40 days	1972	16 days	47

Hottest day (TXx)

The hottest day of the year at Mersrags, 1959 to 2026. The record is 33.0 C (91.4 F) in 1994, marked on the chart; the median year is 27.1 C (80.8 F).

Hottest day (TXx) at Mersrags by year
Year	Hottest day (TXx)
1959	7.2 C (45.0 F)
1966	n/a
1967	n/a
1968	n/a
1969	25.0 C (77.0 F)
1970	27.2 C (81.0 F)
1971	23.9 C (75.0 F)
1972	n/a
1973	30.0 C (86.0 F)
1974	24.0 C (75.2 F)
1975	25.0 C (77.0 F)
1976	18.0 C (64.4 F)
1977	1.0 C (33.8 F)
1978	n/a
1979	n/a
1980	n/a
1981	n/a
1982	n/a
1983	n/a
1984	n/a
1985	n/a
1986	n/a
1987	n/a
1988	n/a
1989	10.0 C (50.0 F)
1990	15.3 C (59.5 F)
1991	7.6 C (45.7 F)
1992	n/a
1993	26.4 C (79.5 F)
1994	33.0 C (91.4 F)
1995	30.8 C (87.4 F)
1996	28.5 C (83.3 F)
1997	29.5 C (85.1 F)
1998	27.6 C (81.7 F)
1999	32.7 C (90.9 F)
2000	30.0 C (86.0 F)
2001	31.3 C (88.3 F)
2008	5.5 C (41.9 F)
2009	26.8 C (80.2 F)
2010	31.7 C (89.1 F)
2011	30.0 C (86.0 F)
2012	31.2 C (88.2 F)
2013	30.7 C (87.3 F)
2014	21.3 C (70.3 F)
2021	26.4 C (79.5 F)
2022	30.9 C (87.6 F)
2023	27.0 C (80.6 F)
2024	32.7 C (90.9 F)
2025	25.7 C (78.3 F)
2026	30.8 C (87.4 F)

Coldest night (TNn)

The coldest night of the year at Mersrags, 1959 to 2026. The record is -32.2 C (-26.0 F) in 1970, marked on the chart; the median year is -17.2 C (1.0 F).

Coldest night (TNn) at Mersrags by year
Year	Coldest night (TNn)
1959	-12.8 C (9.0 F)
1966	n/a
1967	n/a
1968	n/a
1969	-21.1 C (-6.0 F)
1970	-32.2 C (-26.0 F)
1971	-21.1 C (-6.0 F)
1972	n/a
1973	-16.0 C (3.2 F)
1974	-11.0 C (12.2 F)
1975	-6.0 C (21.2 F)
1976	-20.0 C (-4.0 F)
1977	-10.0 C (14.0 F)
1978	n/a
1979	n/a
1980	n/a
1981	n/a
1982	n/a
1983	n/a
1984	n/a
1985	n/a
1986	n/a
1987	-2.7 C (27.1 F)
1988	-7.0 C (19.4 F)
1989	-1.9 C (28.6 F)
1990	0.5 C (32.9 F)
1991	-13.5 C (7.7 F)
1992	n/a
1993	-15.3 C (4.5 F)
1994	-28.5 C (-19.3 F)
1995	-17.6 C (0.3 F)
1996	-29.9 C (-21.8 F)
1997	-20.0 C (-4.0 F)
1998	-14.7 C (5.5 F)
1999	-20.0 C (-4.0 F)
2000	-21.5 C (-6.7 F)
2001	-21.0 C (-5.8 F)
2008	-5.2 C (22.6 F)
2009	-14.7 C (5.5 F)
2010	-25.8 C (-14.4 F)
2011	-26.9 C (-16.4 F)
2012	-27.5 C (-17.5 F)
2013	-17.0 C (1.4 F)
2014	-21.3 C (-6.3 F)
2021	-13.3 C (8.1 F)
2022	-17.4 C (0.7 F)
2023	-16.2 C (2.8 F)
2024	-25.3 C (-13.5 F)
2025	-11.6 C (11.1 F)
2026	-21.5 C (-6.7 F)

Wettest day (Rx1day)

The wettest day of the year at Mersrags, 1959 to 2026. The record is 99.1 mm (3.9 in) in 1994, marked on the chart; the median year is 29.8 mm (1.2 in).

Wettest day (Rx1day) at Mersrags by year
Year	Wettest day (Rx1day)
1959	9.4 mm (0.37 in)
1966	20.5 mm (0.8 in)
1967	35.3 mm (1.4 in)
1968	27.6 mm (1.1 in)
1969	27.4 mm (1.1 in)
1970	23.1 mm (0.9 in)
1971	20.7 mm (0.8 in)
1972	38.6 mm (1.5 in)
1973	21.4 mm (0.8 in)
1974	55.8 mm (2.2 in)
1975	18.1 mm (0.7 in)
1976	18.8 mm (0.7 in)
1977	23.2 mm (0.9 in)
1978	46.7 mm (1.8 in)
1979	29.1 mm (1.1 in)
1980	45.6 mm (1.8 in)
1981	33.9 mm (1.3 in)
1982	23.2 mm (0.9 in)
1983	35.0 mm (1.4 in)
1984	27.2 mm (1.1 in)
1985	52.6 mm (2.1 in)
1986	29.8 mm (1.2 in)
1987	35.2 mm (1.4 in)
1988	29.5 mm (1.2 in)
1989	29.3 mm (1.2 in)
1990	67.9 mm (2.7 in)
1991	31.7 mm (1.2 in)
1992	22.3 mm (0.9 in)
1993	89.9 mm (3.5 in)
1994	99.1 mm (3.9 in)
1995	31.0 mm (1.2 in)
1996	21.1 mm (0.8 in)
1997	29.0 mm (1.1 in)
1998	51.1 mm (2.0 in)
1999	41.9 mm (1.6 in)
2000	40.4 mm (1.6 in)
2001	65.0 mm (2.6 in)
2008	5.1 mm (0.20 in)
2009	34.0 mm (1.3 in)
2010	61.0 mm (2.4 in)
2011	66.0 mm (2.6 in)
2012	24.1 mm (0.9 in)
2013	n/a
2014	n/a
2021	40.1 mm (1.6 in)
2022	9.9 mm (0.39 in)
2023	34.8 mm (1.4 in)
2024	9.9 mm (0.39 in)
2025	n/a
2026	27.6 mm (1.1 in)

Wettest five days (Rx5day)

The wettest five days of the year at Mersrags, 1959 to 2026. The record is 100.1 mm (3.9 in) in 1994, marked on the chart; the median year is 48.5 mm (1.9 in).

Wettest five days (Rx5day) at Mersrags by year
Year	Wettest five days (Rx5day)
1959	n/a
1966	48.5 mm (1.9 in)
1967	72.8 mm (2.9 in)
1968	38.5 mm (1.5 in)
1969	49.6 mm (2.0 in)
1970	49.6 mm (2.0 in)
1971	40.3 mm (1.6 in)
1972	70.2 mm (2.8 in)
1973	36.9 mm (1.5 in)
1974	88.4 mm (3.5 in)
1975	22.8 mm (0.9 in)
1976	35.6 mm (1.4 in)
1977	72.0 mm (2.8 in)
1978	79.9 mm (3.1 in)
1979	41.3 mm (1.6 in)
1980	80.8 mm (3.2 in)
1981	62.2 mm (2.4 in)
1982	48.2 mm (1.9 in)
1983	43.7 mm (1.7 in)
1984	59.6 mm (2.3 in)
1985	76.5 mm (3.0 in)
1986	49.9 mm (2.0 in)
1987	57.2 mm (2.3 in)
1988	47.5 mm (1.9 in)
1989	47.9 mm (1.9 in)
1990	82.8 mm (3.3 in)
1991	51.2 mm (2.0 in)
1992	38.9 mm (1.5 in)
1993	90.4 mm (3.6 in)
1994	100.1 mm (3.9 in)
1995	42.1 mm (1.7 in)
1996	n/a
1997	55.7 mm (2.2 in)
1998	17.2 mm (0.7 in)
1999	57.7 mm (2.3 in)
2000	9.2 mm (0.36 in)
2001	26.4 mm (1.0 in)
2008	n/a
2009	n/a
2010	32.3 mm (1.3 in)
2011	26.9 mm (1.1 in)
2012	44.1 mm (1.7 in)
2013	n/a
2014	n/a
2021	24.9 mm (1.0 in)
2022	21.3 mm (0.8 in)
2023	93.4 mm (3.7 in)
2024	22.3 mm (0.9 in)
2025	n/a
2026	55.9 mm (2.2 in)

Longest dry spell (CDD)

The longest dry spell of the year at Mersrags, 1959 to 2026. The record is 40 days in 1972, marked on the chart; the median year is 16 days.

Longest dry spell (CDD) at Mersrags by year
Year	Longest dry spell (CDD)
1959	1 day
1966	21 days
1967	16 days
1968	14 days
1969	27 days
1970	20 days
1971	18 days
1972	40 days
1973	22 days
1974	30 days
1975	7 days
1976	23 days
1977	14 days
1978	23 days
1979	18 days
1980	24 days
1981	18 days
1982	24 days
1983	23 days
1984	23 days
1985	16 days
1986	29 days
1987	27 days
1988	16 days
1989	27 days
1990	38 days
1991	20 days
1992	15 days
1993	15 days
1994	22 days
1995	17 days
1996	2 days
1997	2 days
1998	2 days
1999	8 days
2000	1 day
2001	1 day
2008	1 day
2009	2 days
2010	2 days
2011	2 days
2012	1 day
2013	n/a
2014	n/a
2021	6 days
2022	12 days
2023	11 days
2024	9 days
2025	n/a
2026	18 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 Mersrags standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Mersrags 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-14. Last revised 14 October 2026 (2026-10-14).