Heat wave in Russia and 2 other countries, 19 August to 3 September 2018

Name: Heat wave in Russia and 2 other countries, 19 August to 3 September 2018
Start: 2018-08-19
End: 2018-09-03
Location: Russia, Mongolia, China

Heat wave in Russia and 2 other countries, 19 August to 3 September 2018: 143 records at 89 stations, peak on 28 August 2018. Closed.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Key Facts

Heat wave in Russia and 2 other countries, 19 August to 3 September 2018 set or tied 143 station records at 89 stations.
It ran from 19 August 2018 to 3 September 2018 (16 days) and its peak day was 28 August 2018.
Status: closed.
Chita set a daily record high minimum temperature of 14.8 C (58.6 F) on 26 August 2018.
The busiest day was 28 August 2018 with 29 records.
The oldest broken record in the ranked list had stood for 126 years.

Footprint

19 August to 3 September 2018

The area covered by Heat wave in Russia and 2 other countries, 19 August to 3 September 2018 is outlined, with 17 of the stations that set records marked, coloured by record type. Made with Natural Earth.

Footprint of Heat wave in Russia and 2 other countries, 19 August to 3 September 2018: stations that set records in the event
Station	Type	Value	Date
Chita	Record high minimum temperature	14.8 C (58.6 F)	2018-08-26
Mogoca	Record high maximum temperature	29.6 C (85.3 F)	2018-08-25
Enisejsk	Record high maximum temperature	27.7 C (81.9 F)	2018-08-19
Cakir	Record high minimum temperature	14.0 C (57.2 F)	2018-08-24
Soljanka	Record high minimum temperature	15.6 C (60.1 F)	2018-08-28
Krasnojarsk	Record high minimum temperature	17.6 C (63.7 F)	2018-08-22
Vanavara	Record high maximum temperature	28.2 C (82.8 F)	2018-08-27
Mangut	Record high minimum temperature	13.3 C (55.9 F)	2018-09-02
Irkutsk	Record high maximum temperature	29.2 C (84.6 F)	2018-08-28
Barguzin	Record high maximum temperature	29.9 C (85.8 F)	2018-08-29
Orlik	Record high minimum temperature	9.0 C (48.2 F)	2018-08-24
Kirensk	Record high minimum temperature	14.6 C (58.3 F)	2018-08-24
Hamar-Daban	Record high maximum temperature	26.0 C (78.8 F)	2018-08-28
Erzin	Record high minimum temperature	14.3 C (57.7 F)	2018-08-28
Chernjaevo	Record high minimum temperature	15.7 C (60.3 F)	2018-09-03
Bogucany	Record high maximum temperature	30.4 C (86.7 F)	2018-08-27
Aginskoe	Record high minimum temperature	15.3 C (59.5 F)	2018-09-01

Records per Day

Peak day 29

Records set or tied each day from 19 August 2018 to 3 September 2018. The most in one day was 29 on 28 August 2018.

Records per day during Heat wave in Russia and 2 other countries, 19 August to 3 September 2018
Date	Records
2018-08-19	3
2018-08-20	1
2018-08-21	5
2018-08-22	2
2018-08-23	6
2018-08-24	10
2018-08-25	7
2018-08-26	12
2018-08-27	19
2018-08-28	29
2018-08-29	13
2018-08-30	10
2018-08-31	8
2018-09-01	7
2018-09-02	7
2018-09-03	4

Top Records by Margin

Margin over the record replaced

Top records of Heat wave in Russia and 2 other countries, 19 August to 3 September 2018 ranked by margin
Vanavara, 08-27	3.0 C (5.4 F)
Cakir, 08-24	2.7 C (4.9 F)
Bogucany, 08-27	1.9 C (3.4 F)
Soljanka, 08-28	1.2 C (2.2 F)
Orlik, 08-24	1.2 C (2.2 F)
Aginskoe, 09-01	0.8 C (1.4 F)
Erzin, 08-28	0.6 C (1.1 F)
Mogoca, 08-25	0.5 C (0.9 F)
Mangut, 09-02	0.5 C (0.9 F)
Chita, 09-01	0.5 C (0.9 F)
Cakir, 08-30	0.5 C (0.9 F)
Chita, 08-26	0.4 C (0.7 F)
Barguzin, 08-29	0.4 C (0.7 F)
Hamar-Daban, 08-28	0.4 C (0.7 F)
Enisejsk, 08-19	0.3 C (0.5 F)

Margin is how far the new value is beyond the record it replaced. Ties are not shown.

Margin Against Age of the Broken Record

143 records plotted by how far they beat the old record (across) and how many years the old record had stood (up). Long standing records beaten by a wide margin sit in the top right.

Margin against age of the broken record in Heat wave in Russia and 2 other countries, 19 August to 3 September 2018
Margin (C)	Years the old record stood
0.4	126
0.5	88
0.3	87
2.7	71
1.2	75
3.0	56
0.3	68
0.5	73
0.5	27
0.2	60
0.4	60
1.2	53
0.1	55
0.2	60
0.4	60
0.1	53
0.6	60
1.9	44
0.5	53
0.8	16
1.0	52
0.7	41
1.6	41
1.3	37
1.7	31
0.9	48
0.7	40
1.4	44
0.5	44
1.9	37
0.3	48
0.5	48
3.2	16
1.8	37
2.1	20
2.1	28
1.5	32
2.1	24
1.1	35
0.9	35
0.5	37
2.4	21
3.7	24
4.7	15
1.9	24
1.2	32
1.1	28
1.6	25
4.8	4
0.5	32
2.1	24
1.1	32
0.6	35
0.4	32
4.1	4
0.8	21
2.7	25
0.8	32
0.5	35
1.8	27
2.1	24
0.2	33
0.9	35
0.3	35
1.7	29
0.4	35
3.2	16
0.7	33
1.1	16
2.1	16
0.3	35
0.2	33
0.8	17
1.2	31
3.3	16
3.1	4
0.1	17
2.2	13
1.3	8
0.1	16
3.2	8
1.1	19
2.7	1
0.5	21
1.0	8
0.5	19
0.8	16
1.0	24
0.3	32
0.3	24
0.7	16
3.8	1
2.0	1
0.3	8
0.4	4
2.9	4
0.6	20
2.1	1
2.8	1
0.7	17
0.7	13
1.1	12
1.4	9
1.0	4
2.5	3
2.3	4
0.3	12
0.5	12
0.2	15
0.3	19
0.3	4
0.8	4
0.9	3
0.4	8
0.2	11
0.9	3
0.7	8
0.8	1
1.1	4
0.7	3
0.7	1
0.1	12
0.5	3
0.2	7
0.5	8
0.1	1
0.5	3
0.6	3
0.9	1
0.2	4
0.5	1
0.6	3
1.4	3
1.3	3
1.0	3
0.4	4
0.6	1
0.9	1
0.7	1
0.1	3
0.8	3
0.4	3
0.2	1

Compared With Other Events

Station records per event

Station records in Heat wave in Russia and 2 other countries, 19 August to 3 September 2018 compared with similar events
Heat wave in United States and Mexico, 16 January to 14 February 2024	9,869 records
Heat wave in United States, 28 January to 24 February 2026	6,528 records
Heat wave in United States and Mexico, 24 May to 19 June 2020	5,047 records
Heat wave in United States and Mexico, 26 March to 17 April 2021	3,669 records
Heat wave in Germany and 49 other countries, 18 December 2021 to 15 January 2022	3,626 records
Heat wave in Russia and 2 other countries, 19 August to 3 September 2018 (this event)	143 records

Every Record Set

20 of 143

Every record set or tied during Heat wave in Russia and 2 other countries, 19 August to 3 September 2018, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2018-08-19	Enisejsk	Record high maximum temperature	27.7 C (81.9 F)	0.3 C (0.5 F)	87	36 of 100 (Notable)
2018-08-22	Krasnojarsk	Record high minimum temperature	17.6 C (63.7 F)	0.3 C (0.5 F)	68	30 of 100 (Routine)
2018-08-24	Cakir	Record high minimum temperature	14.0 C (57.2 F)	2.7 C (4.9 F)	71	36 of 100 (Notable)
2018-08-24	Orlik	Record high minimum temperature	9.0 C (48.2 F)	1.2 C (2.2 F)	53	26 of 100 (Routine)
2018-08-24	Kirensk	Record high minimum temperature	14.6 C (58.3 F)	0.1 C (0.2 F)	55	26 of 100 (Routine)
2018-08-25	Mogoca	Record high maximum temperature	29.6 C (85.3 F)	0.5 C (0.9 F)	88	37 of 100 (Notable)
2018-08-26	Chita	Record high minimum temperature	14.8 C (58.6 F)	0.4 C (0.7 F)	126	41 of 100 (Notable)
2018-08-27	Vanavara	Record high maximum temperature	28.2 C (82.8 F)	3.0 C (5.4 F)	56	30 of 100 (Routine)
2018-08-27	Bogucany	Record high maximum temperature	30.4 C (86.7 F)	1.9 C (3.4 F)	44	25 of 100 (Routine)
2018-08-28	Soljanka	Record high minimum temperature	15.6 C (60.1 F)	1.2 C (2.2 F)	75	33 of 100 (Routine)
2018-08-28	Irkutsk	Record high maximum temperature	29.2 C (84.6 F)	0.2 C (0.4 F)	60	28 of 100 (Routine)
2018-08-28	Hamar-Daban	Record high maximum temperature	26.0 C (78.8 F)	0.4 C (0.7 F)	60	26 of 100 (Routine)
2018-08-28	Hamar-Daban	Record high minimum temperature	11.4 C (52.5 F)	0.2 C (0.4 F)	60	26 of 100 (Routine)
2018-08-28	Erzin	Record high minimum temperature	14.3 C (57.7 F)	0.6 C (1.1 F)	60	26 of 100 (Routine)
2018-08-29	Barguzin	Record high maximum temperature	29.9 C (85.8 F)	0.4 C (0.7 F)	60	27 of 100 (Routine)
2018-08-30	Cakir	Record high minimum temperature	11.6 C (52.9 F)	0.5 C (0.9 F)	53	25 of 100 (Routine)
2018-09-01	Chita	Record high minimum temperature	15.4 C (59.7 F)	0.5 C (0.9 F)	27	29 of 100 (Routine)
2018-09-01	Aginskoe	Record high minimum temperature	15.3 C (59.5 F)	0.8 C (1.4 F)	16	24 of 100 (Routine)
2018-09-02	Mangut	Record high minimum temperature	13.3 C (55.9 F)	0.5 C (0.9 F)	73	30 of 100 (Routine)
2018-09-03	Chernjaevo	Record high minimum temperature	15.7 C (60.3 F)	0.1 C (0.2 F)	53	26 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 143 records the event counts. The counts above use the full total.

Download the Data

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 2026-10-12. Events are found by this site from station records and are not official designations. Records are provisional until reprocessed.

Margin (C)	Years the old record stood
0.4	126
0.5	88
0.3	87
2.7	71
1.2	75
3.0	56
0.3	68
0.5	73
0.5	27
0.2	60
0.4	60
1.2	53
0.1	55
0.2	60
0.4	60
0.1	53
0.6	60
1.9	44
0.5	53
0.8	16
1.0	52
0.7	41
1.6	41
1.3	37
1.7	31
0.9	48
0.7	40
1.4	44
0.5	44
1.9	37
0.3	48
0.5	48
3.2	16
1.8	37
2.1	20
2.1	28
1.5	32
2.1	24
1.1	35
0.9	35
0.5	37
2.4	21
3.7	24
4.7	15
1.9	24
1.2	32
1.1	28
1.6	25
4.8	4
0.5	32
2.1	24
1.1	32
0.6	35
0.4	32
4.1	4
0.8	21
2.7	25
0.8	32
0.5	35
1.8	27
2.1	24
0.2	33
0.9	35
0.3	35
1.7	29
0.4	35
3.2	16
0.7	33
1.1	16
2.1	16
0.3	35
0.2	33
0.8	17
1.2	31
3.3	16
3.1	4
0.1	17
2.2	13
1.3	8
0.1	16
3.2	8
1.1	19
2.7	1
0.5	21
1.0	8
0.5	19
0.8	16
1.0	24
0.3	32
0.3	24
0.7	16
3.8	1
2.0	1
0.3	8
0.4	4
2.9	4
0.6	20
2.1	1
2.8	1
0.7	17
0.7	13
1.1	12
1.4	9
1.0	4
2.5	3
2.3	4
0.3	12
0.5	12
0.2	15
0.3	19
0.3	4
0.8	4
0.9	3
0.4	8
0.2	11
0.9	3
0.7	8
0.8	1
1.1	4
0.7	3
0.7	1
0.1	12
0.5	3
0.2	7
0.5	8
0.1	1
0.5	3
0.6	3
0.9	1
0.2	4
0.5	1
0.6	3
1.4	3
1.3	3
1.0	3
0.4	4
0.6	1
0.9	1
0.7	1
0.1	3
0.8	3
0.4	3
0.2	1

Margin (C)	Years the old record stood
0.4	126
0.5	88
0.3	87
2.7	71
1.2	75
3.0	56
0.3	68
0.5	73
0.5	27
0.2	60
0.4	60
1.2	53
0.1	55
0.2	60
0.4	60
0.1	53
0.6	60
1.9	44
0.5	53
0.8	16
1.0	52
0.7	41
1.6	41
1.3	37
1.7	31
0.9	48
0.7	40
1.4	44
0.5	44
1.9	37
0.3	48
0.5	48
3.2	16
1.8	37
2.1	20
2.1	28
1.5	32
2.1	24
1.1	35
0.9	35
0.5	37
2.4	21
3.7	24
4.7	15
1.9	24
1.2	32
1.1	28
1.6	25
4.8	4
0.5	32
2.1	24
1.1	32
0.6	35
0.4	32
4.1	4
0.8	21
2.7	25
0.8	32
0.5	35
1.8	27
2.1	24
0.2	33
0.9	35
0.3	35
1.7	29
0.4	35
3.2	16
0.7	33
1.1	16
2.1	16
0.3	35
0.2	33
0.8	17
1.2	31
3.3	16
3.1	4
0.1	17
2.2	13
1.3	8
0.1	16
3.2	8
1.1	19
2.7	1
0.5	21
1.0	8
0.5	19
0.8	16
1.0	24
0.3	32
0.3	24
0.7	16
3.8	1
2.0	1
0.3	8
0.4	4
2.9	4
0.6	20
2.1	1
2.8	1
0.7	17
0.7	13
1.1	12
1.4	9
1.0	4
2.5	3
2.3	4
0.3	12
0.5	12
0.2	15
0.3	19
0.3	4
0.8	4
0.9	3
0.4	8
0.2	11
0.9	3
0.7	8
0.8	1
1.1	4
0.7	3
0.7	1
0.1	12
0.5	3
0.2	7
0.5	8
0.1	1
0.5	3
0.6	3
0.9	1
0.2	4
0.5	1
0.6	3
1.4	3
1.3	3
1.0	3
0.4	4
0.6	1
0.9	1
0.7	1
0.1	3
0.8	3
0.4	3
0.2	1