Valla Weather Records (SWE00138726)

Record envelope, standing records and threshold days for Valla (SWE00138726), Sweden, with 42 years of record.

Key Facts for Valla

Valla (SWE00138726) is a weather station in Sweden at 59.02 latitude and 16.37 longitude, 50 m (164 ft) above sea level.
The station reports from 1973 to 2014, 42 years of record.
1,464 records set at Valla still stand.
Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
Valla set a daily record low maximum temperature of 15.3 C (59.5 F) on 28 June 2014.

About the Station

Location: Sweden, 59.02 latitude, 16.37 longitude.
Elevation: 50 m (164 ft).
Period of record: 1973 to 2014, 42 years.
Eligible elements: tmax, tmin, prcp.

Daily Record Envelope and 2026

0 days at or beyond a record

The band shows the record high and record low for each calendar day at Valla. 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 Valla, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	11.4 C (52.5 F)	-27.9 C (-18.2 F)	n/a	n/a
Feb	12.9 C (55.2 F)	-27.0 C (-16.6 F)	n/a	n/a
Mar	18.2 C (64.8 F)	-21.2 C (-6.2 F)	n/a	n/a
Apr	27.5 C (81.5 F)	-9.4 C (15.1 F)	n/a	n/a
May	28.4 C (83.1 F)	-4.2 C (24.4 F)	n/a	n/a
Jun	32.4 C (90.3 F)	-1.1 C (30.0 F)	n/a	n/a
Jul	34.0 C (93.2 F)	4.3 C (39.7 F)	n/a	n/a
Aug	32.1 C (89.8 F)	0.8 C (33.4 F)	n/a	n/a
Sep	26.3 C (79.3 F)	-5.2 C (22.6 F)	n/a	n/a
Oct	21.6 C (70.9 F)	-11.9 C (10.6 F)	n/a	n/a
Nov	14.7 C (58.5 F)	-18.5 C (-1.3 F)	n/a	n/a
Dec	12.3 C (54.1 F)	-25.8 C (-14.4 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Valla still stand. 1985 holds the most, with 77.

Standing records at Valla by the year they were set
Year set	Standing records
1980	44
1981	38
1982	40
1983	33
1984	34
1985	77
1986	44
1987	73
1988	34
1989	64
1990	55
1991	28
1992	34
1993	43
1994	37
1995	43
1996	43
1997	37
1998	42
1999	42
2000	32
2001	38
2002	58
2003	35
2004	28
2005	33
2006	59
2007	43
2008	29
2009	27
2010	43
2011	36
2012	39
2013	53
2014	26

All-Time Record Progression

1 new records

1 all-time records were set at Valla between 12 July 2010 and 12 July 2010. Each dot is a new record.

Wettest Day of Each Month

Aug: 53.3 mm (2.1 in)

The wettest day on record for each calendar month at Valla. The most was 53.3 mm (2.1 in) on 13 August 1990.

Record daily precipitation for each month at Valla
Month	Record daily precipitation (mm)	Date
Jan	18.9 mm (0.7 in)	27 January 2010
Feb	21.5 mm (0.8 in)	7 February 1984
Mar	21.2 mm (0.8 in)	21 March 1974
Apr	25.6 mm (1.0 in)	27 April 1992
May	41.7 mm (1.6 in)	13 May 2010
Jun	48.5 mm (1.9 in)	12 June 2012
Jul	46.8 mm (1.8 in)	27 July 1997
Aug	53.3 mm (2.1 in)	13 August 1990
Sep	50.8 mm (2.0 in)	12 September 1996
Oct	28.0 mm (1.1 in)	2 October 1974
Nov	35.2 mm (1.4 in)	2 November 1981
Dec	27.0 mm (1.1 in)	3 December 1976

Period of Record Coverage

1980 to 2014

35 years of record at Valla, 1980 to 2014. 1 years have data for under 90 percent of days and are left out of rankings: 2014.

Days with data per year at Valla
Year	Days with data	Share of year	Complete
1980	366	100%	Yes
1981	365	100%	Yes
1982	365	100%	Yes
1983	365	100%	Yes
1984	366	100%	Yes
1985	365	100%	Yes
1986	365	100%	Yes
1987	365	100%	Yes
1988	366	100%	Yes
1989	365	100%	Yes
1990	365	100%	Yes
1991	365	100%	Yes
1992	366	100%	Yes
1993	365	100%	Yes
1994	365	100%	Yes
1995	365	100%	Yes
1996	366	100%	Yes
1997	365	100%	Yes
1998	365	100%	Yes
1999	365	100%	Yes
2000	366	100%	Yes
2001	365	100%	Yes
2002	365	100%	Yes
2003	365	100%	Yes
2004	366	100%	Yes
2005	365	100%	Yes
2006	365	100%	Yes
2007	365	100%	Yes
2008	366	100%	Yes
2009	365	100%	Yes
2010	365	100%	Yes
2011	365	100%	Yes
2012	366	100%	Yes
2013	365	100%	Yes
2014	181	50%	No

Latest Records

Latest records at Valla
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
28 June 2014	Valla, SE	daily low max	15.3 C (59.5 F)	0.7 C (1.3 F)	31 years	13 of 100 (Routine)
21 June 2014	Valla, SE	daily low min	4.8 C (40.6 F)	0.3 C (0.5 F)	4 years	4 of 100 (Routine)
20 June 2014	Valla, SE	daily low max	14.8 C (58.6 F)	0.5 C (0.9 F)	27 years	12 of 100 (Routine)
3 June 2014	Valla, SE	daily rain	12.6 mm (0.5 in)	1.1 mm (0.04 in)	16 years	9 of 100 (Routine)
28 May 2014	Valla, SE	daily low max	13.2 C (55.8 F)	0.5 C (0.9 F)	27 years	12 of 100 (Routine)
25 May 2014	Valla, SE	daily high min	13.9 C (57.0 F)	0.1 C (0.2 F)	7 years	5 of 100 (Routine)
24 May 2014	Valla, SE	monthly high min (Tie)	14.6 C (58.3 F)	tie	4 years	3 of 100 (Routine)
23 May 2014	Valla, SE	daily high min	13.5 C (56.3 F)	2.2 C (4.0 F)	8 years	11 of 100 (Routine)
22 May 2014	Valla, SE	daily high max	25.6 C (78.1 F)	1.4 C (2.5 F)	32 years	15 of 100 (Routine)
20 May 2014	Valla, SE	daily high min (Tie)	11.2 C (52.2 F)	tie	4 years	1 of 100 (Routine)
7 May 2014	Valla, SE	daily low max	6.6 C (43.9 F)	3.2 C (5.8 F)	19 years	15 of 100 (Routine)
5 May 2014	Valla, SE	daily low min	-3.6 C (25.5 F)	0.6 C (1.1 F)	20 years	10 of 100 (Routine)
2 May 2014	Valla, SE	daily low min	-2.7 C (27.1 F)	0.9 C (1.6 F)	17 years	10 of 100 (Routine)
28 April 2014	Valla, SE	daily high max	22.4 C (72.3 F)	0.9 C (1.6 F)	13 years	8 of 100 (Routine)
25 April 2014	Valla, SE	daily low min	-4.2 C (24.4 F)	0.1 C (0.2 F)	28 years	11 of 100 (Routine)
20 April 2014	Valla, SE	daily high max	18.4 C (65.1 F)	0.5 C (0.9 F)	3 years	4 of 100 (Routine)
18 April 2014	Valla, SE	daily high min	6.0 C (42.8 F)	0.1 C (0.2 F)	0 years	3 of 100 (Routine)
8 April 2014	Valla, SE	daily rain	17.6 mm (0.7 in)	6.8 mm (0.27 in)	32 years	20 of 100 (Routine)
21 March 2014	Valla, SE	daily high min	7.2 C (45.0 F)	2.1 C (3.8 F)	20 years	13 of 100 (Routine)
14 March 2014	Valla, SE	daily rain	9.1 mm (0.36 in)	2.4 mm (0.09 in)	36 years	20 of 100 (Routine)

Climate Trend

34 complete years, 1980 to 2013

One stripe for each of 34 complete years at Valla, 1980 to 2013. Blue stripes are years cooler than the station's own mean of 6.6 C (43.9 F); red stripes are warmer. The coolest year was 1985, at 4.0 C (39.3 F), and the warmest was 1990, at 8.0 C (46.4 F). The strongest colour marks a difference of 2.6 C (4.7 F).

Annual mean temperature at Valla as warming stripes, 1980 to 2013
Year	Annual mean temperature	Difference from the station mean
1980	5.2 C	-1.43 C
1981	5.3 C	-1.33 C
1982	6.2 C	-0.36 C
1983	6.8 C	+0.22 C
1984	6.6 C	+0.03 C
1985	4.0 C	-2.57 C
1986	5.5 C	-1.07 C
1987	4.4 C	-2.16 C
1988	6.3 C	-0.26 C
1989	7.9 C	+1.28 C
1990	8.0 C	+1.39 C
1991	6.9 C	+0.29 C
1992	7.3 C	+0.71 C
1993	6.3 C	-0.34 C
1994	6.4 C	-0.20 C
1995	6.2 C	-0.39 C
1996	5.4 C	-1.20 C
1997	6.9 C	+0.28 C
1998	6.1 C	-0.48 C
1999	7.1 C	+0.53 C
2000	7.8 C	+1.21 C
2001	6.7 C	+0.10 C
2002	7.3 C	+0.67 C
2003	6.9 C	+0.30 C
2004	6.9 C	+0.26 C
2005	7.2 C	+0.55 C
2006	7.6 C	+1.04 C
2007	7.6 C	+1.02 C
2008	7.8 C	+1.18 C
2009	6.9 C	+0.31 C
2010	5.1 C	-1.49 C
2011	7.8 C	+1.18 C
2012	6.7 C	+0.07 C
2013	7.1 C	+0.50 C

The annual mean temperature here has risen by 0.5 C (0.1 to 0.8) per decade over 1980 to 2013. In Fahrenheit: 0.8 F (0.3 to 1.4) per decade. The slope is a straight line fitted to 34 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at Valla
Measure	Per decade (C)	Per decade (F)	Period	Complete years	Reading
Annual mean temperature	0.5 C (0.1 to 0.8) per decade	0.8 F (0.3 to 1.4) per decade	1980 to 2013	34	Rise
Mean daily maximum	0.6 C (0.2 to 0.9) per decade	1.0 F (0.4 to 1.6) per decade	1980 to 2013	34	Rise
Mean daily minimum	0.37 C (0.05 to 0.69) per decade	0.7 F (0.1 to 1.2) per decade	1980 to 2013	34	Rise

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1973 to 2014

Yearly extremes at Valla: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	34.0 C (93.2 F)	1994	29.6 C (85.3 F)	35
Coldest night (TNn)	-27.9 C (-18.2 F)	1987	-21.2 C (-6.2 F)	35
Wettest day (Rx1day)	53.3 mm (2.1 in)	1990	27.7 mm (1.1 in)	42
Wettest five days (Rx5day)	98.4 mm (3.9 in)	1978	53.9 mm (2.1 in)	42
Longest dry spell (CDD)	53 days	2013	23 days	42

Hottest day (TXx)

The hottest day of the year at Valla, 1973 to 2014. The record is 34.0 C (93.2 F) in 1994, marked on the chart; the median year is 29.6 C (85.3 F).

Hottest day (TXx) at Valla by year
Year	Hottest day (TXx)
1973	n/a
1974	n/a
1975	n/a
1976	n/a
1977	n/a
1978	n/a
1979	n/a
1980	27.4 C (81.3 F)
1981	26.5 C (79.7 F)
1982	32.1 C (89.8 F)
1983	31.9 C (89.4 F)
1984	27.9 C (82.2 F)
1985	27.1 C (80.8 F)
1986	31.0 C (87.8 F)
1987	27.6 C (81.7 F)
1988	28.9 C (84.0 F)
1989	32.5 C (90.5 F)
1990	29.0 C (84.2 F)
1991	31.4 C (88.5 F)
1992	29.3 C (84.7 F)
1993	27.6 C (81.7 F)
1994	34.0 C (93.2 F)
1995	30.2 C (86.4 F)
1996	29.5 C (85.1 F)
1997	29.9 C (85.8 F)
1998	25.7 C (78.3 F)
1999	31.5 C (88.7 F)
2000	28.4 C (83.1 F)
2001	31.5 C (88.7 F)
2002	29.4 C (84.9 F)
2003	29.6 C (85.3 F)
2004	29.6 C (85.3 F)
2005	31.3 C (88.3 F)
2006	32.3 C (90.1 F)
2007	32.4 C (90.3 F)
2008	31.9 C (89.4 F)
2009	30.7 C (87.3 F)
2010	31.8 C (89.2 F)
2011	28.4 C (83.1 F)
2012	28.0 C (82.4 F)
2013	28.7 C (83.7 F)
2014	26.9 C (80.4 F)

Coldest night (TNn)

The coldest night of the year at Valla, 1973 to 2014. The record is -27.9 C (-18.2 F) in 1987, marked on the chart; the median year is -21.2 C (-6.2 F).

Coldest night (TNn) at Valla by year
Year	Coldest night (TNn)
1973	n/a
1974	n/a
1975	n/a
1976	n/a
1977	n/a
1978	n/a
1979	n/a
1980	-22.5 C (-8.5 F)
1981	-21.5 C (-6.7 F)
1982	-23.3 C (-9.9 F)
1983	-16.7 C (1.9 F)
1984	-19.3 C (-2.7 F)
1985	-25.0 C (-13.0 F)
1986	-22.8 C (-9.0 F)
1987	-27.9 C (-18.2 F)
1988	-22.5 C (-8.5 F)
1989	-25.4 C (-13.7 F)
1990	-12.5 C (9.5 F)
1991	-19.0 C (-2.2 F)
1992	-12.3 C (9.9 F)
1993	-14.6 C (5.7 F)
1994	-22.3 C (-8.1 F)
1995	-21.7 C (-7.1 F)
1996	-23.3 C (-9.9 F)
1997	-18.8 C (-1.8 F)
1998	-17.9 C (-0.2 F)
1999	-20.3 C (-4.5 F)
2000	-17.9 C (-0.2 F)
2001	-25.9 C (-14.6 F)
2002	-22.0 C (-7.6 F)
2003	-25.9 C (-14.6 F)
2004	-20.8 C (-5.4 F)
2005	-21.2 C (-6.2 F)
2006	-19.1 C (-2.4 F)
2007	-16.7 C (1.9 F)
2008	-11.9 C (10.6 F)
2009	-19.5 C (-3.1 F)
2010	-27.0 C (-16.6 F)
2011	-24.4 C (-11.9 F)
2012	-22.1 C (-7.8 F)
2013	-20.3 C (-4.5 F)
2014	-14.6 C (5.7 F)

Wettest day (Rx1day)

The wettest day of the year at Valla, 1973 to 2014. The record is 53.3 mm (2.1 in) in 1990, marked on the chart; the median year is 27.7 mm (1.1 in).

Wettest day (Rx1day) at Valla by year
Year	Wettest day (Rx1day)
1973	14.5 mm (0.6 in)
1974	28.0 mm (1.1 in)
1975	20.3 mm (0.8 in)
1976	27.0 mm (1.1 in)
1977	33.8 mm (1.3 in)
1978	39.3 mm (1.5 in)
1979	32.8 mm (1.3 in)
1980	21.7 mm (0.9 in)
1981	35.2 mm (1.4 in)
1982	18.0 mm (0.7 in)
1983	45.2 mm (1.8 in)
1984	21.5 mm (0.8 in)
1985	19.6 mm (0.8 in)
1986	27.4 mm (1.1 in)
1987	22.6 mm (0.9 in)
1988	26.1 mm (1.0 in)
1989	15.5 mm (0.6 in)
1990	53.3 mm (2.1 in)
1991	30.4 mm (1.2 in)
1992	25.6 mm (1.0 in)
1993	26.7 mm (1.1 in)
1994	25.3 mm (1.0 in)
1995	36.0 mm (1.4 in)
1996	50.8 mm (2.0 in)
1997	46.8 mm (1.8 in)
1998	46.2 mm (1.8 in)
1999	32.7 mm (1.3 in)
2000	34.0 mm (1.3 in)
2001	21.7 mm (0.9 in)
2002	24.4 mm (1.0 in)
2003	25.2 mm (1.0 in)
2004	24.8 mm (1.0 in)
2005	38.2 mm (1.5 in)
2006	36.0 mm (1.4 in)
2007	22.9 mm (0.9 in)
2008	38.3 mm (1.5 in)
2009	34.9 mm (1.4 in)
2010	41.7 mm (1.6 in)
2011	51.1 mm (2.0 in)
2012	48.5 mm (1.9 in)
2013	27.0 mm (1.1 in)
2014	21.5 mm (0.8 in)

Wettest five days (Rx5day)

The wettest five days of the year at Valla, 1973 to 2014. The record is 98.4 mm (3.9 in) in 1978, marked on the chart; the median year is 53.9 mm (2.1 in).

Wettest five days (Rx5day) at Valla by year
Year	Wettest five days (Rx5day)
1973	23.4 mm (0.9 in)
1974	57.2 mm (2.3 in)
1975	36.6 mm (1.4 in)
1976	49.6 mm (2.0 in)
1977	55.1 mm (2.2 in)
1978	98.4 mm (3.9 in)
1979	45.8 mm (1.8 in)
1980	50.1 mm (2.0 in)
1981	52.3 mm (2.1 in)
1982	39.8 mm (1.6 in)
1983	62.2 mm (2.4 in)
1984	55.0 mm (2.2 in)
1985	42.2 mm (1.7 in)
1986	38.1 mm (1.5 in)
1987	36.4 mm (1.4 in)
1988	41.3 mm (1.6 in)
1989	42.4 mm (1.7 in)
1990	69.7 mm (2.7 in)
1991	38.8 mm (1.5 in)
1992	47.5 mm (1.9 in)
1993	54.1 mm (2.1 in)
1994	53.6 mm (2.1 in)
1995	67.9 mm (2.7 in)
1996	58.9 mm (2.3 in)
1997	67.2 mm (2.6 in)
1998	57.0 mm (2.2 in)
1999	68.3 mm (2.7 in)
2000	73.2 mm (2.9 in)
2001	46.8 mm (1.8 in)
2002	58.5 mm (2.3 in)
2003	54.2 mm (2.1 in)
2004	38.7 mm (1.5 in)
2005	49.0 mm (1.9 in)
2006	65.5 mm (2.6 in)
2007	38.6 mm (1.5 in)
2008	92.5 mm (3.6 in)
2009	56.0 mm (2.2 in)
2010	55.2 mm (2.2 in)
2011	78.1 mm (3.1 in)
2012	91.0 mm (3.6 in)
2013	37.8 mm (1.5 in)
2014	40.8 mm (1.6 in)

Longest dry spell (CDD)

The longest dry spell of the year at Valla, 1973 to 2014. The record is 53 days in 2013, marked on the chart; the median year is 23 days.

Longest dry spell (CDD) at Valla by year
Year	Longest dry spell (CDD)
1973	18 days
1974	34 days
1975	22 days
1976	22 days
1977	14 days
1978	23 days
1979	15 days
1980	21 days
1981	24 days
1982	20 days
1983	32 days
1984	27 days
1985	25 days
1986	16 days
1987	32 days
1988	16 days
1989	30 days
1990	19 days
1991	31 days
1992	24 days
1993	32 days
1994	24 days
1995	17 days
1996	29 days
1997	23 days
1998	13 days
1999	17 days
2000	24 days
2001	13 days
2002	31 days
2003	30 days
2004	17 days
2005	23 days
2006	19 days
2007	16 days
2008	26 days
2009	24 days
2010	31 days
2011	27 days
2012	17 days
2013	53 days
2014	21 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.

Frost Dates and Growing Season

34 years with a frost

Across 34 years with a frost, the median last spring frost at Valla falls on 15 May and the median first autumn frost on 26 September, which leaves a median of 136 days between them.

Fitted over all years, the growing season changes by +3.7 days per decade at this station.

Frost dates and growing season at Valla
Measure	Median, all years	Earliest period	Recent period (1984 to 2013)	Recent against earliest	Fitted trend
Last spring frost	15 May	n/a	17 May	n/a	-0.3 days per decade
First autumn frost	26 September	n/a	26 September	n/a	+3.4 days per decade
Growing days	136 days	n/a	136 days	n/a	+3.7 days per decade

A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.

Rainfall Return Levels

40 years, 1974 to 2013

A day with at least 30.4 mm (1.2 in) of rain is expected about once in 2 years. A day with at least 63.8 mm (2.5 in) of rain is expected about once in 100 years.

Rainfall return levels at Valla: the daily rain expected about once in a given number of years
Expected about once in	A day with at least	Note
2 years	30.4 mm (1.2 in)
5 years	39.8 mm (1.6 in)
10 years	45.8 mm (1.8 in)
25 years	53.2 mm (2.1 in)
50 years	58.6 mm (2.3 in)	Longer than the 40 years of record
100 years	63.8 mm (2.5 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 1974 to 2013.

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: 53.3 mm (2.1 in) in 1990; 51.1 mm (2.0 in) in 2011; 50.8 mm (2.0 in) in 1996.

Download the Data

Data for Valla standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Valla 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).