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Built 2026-10-19 (19 October 2026)

Heat wave in Russia and 3 other countries, 16 to 29 April 2018

Heat wave in Russia and 3 other countries, 16 to 29 April 2018: 239 records at 129 stations, peak on 24 April 2018. Closed.

Data as of . Last revised (2026-10-18).

Key Facts

  • Heat wave in Russia and 3 other countries, 16 to 29 April 2018 set or tied 239 station records at 129 stations.
  • It ran from 16 April 2018 to 29 April 2018 (14 days) and its peak day was 24 April 2018.
  • Status: closed.
  • Irkutsk set a daily record high maximum temperature of 27.9 C (82.2 F) on 24 April 2018.
  • The busiest day was 24 April 2018 with 68 records.
  • The oldest broken record in the ranked list had stood for 97 years.

Footprint

16 to 29 April 2018
Footprint of Heat wave in Russia and 3 other countries, 16 to 29 April 2018 The area covered by Heat wave in Russia and 3 other countries, 16 to 29 April 2018 is outlined, with 18 of the stations that set records marked, coloured by record type.
The area covered by Heat wave in Russia and 3 other countries, 16 to 29 April 2018 is outlined, with 18 of the stations that set records marked, coloured by record type. Made with Natural Earth.
Footprint of Heat wave in Russia and 3 other countries, 16 to 29 April 2018: stations that set records in the event
StationTypeValueDate
IrkutskRecord high maximum temperature27.9 C (82.2 F)2018-04-24
BlagovescenskRecord high maximum temperature28.9 C (84.0 F)2018-04-25
UglegorskRecord high minimum temperature7.6 C (45.7 F)2018-04-26
BarguzinRecord high maximum temperature24.7 C (76.5 F)2018-04-24
IngaRecord high minimum temperature7.0 C (44.6 F)2018-04-25
OrlikRecord high maximum temperature22.6 C (72.7 F)2018-04-26
Ust-BarguzinRecord high maximum temperature18.6 C (65.5 F)2018-04-24
ZhigalovoRecord high minimum temperature6.6 C (43.9 F)2018-04-27
Hamar-DabanRecord high maximum temperature20.5 C (68.9 F)2018-04-24
Troickij PriiskRecord high maximum temperature14.9 C (58.8 F)2018-04-24
BogucanyRecord high minimum temperature7.3 C (45.1 F)2018-04-26
KaramRecord high minimum temperature4.2 C (39.6 F)2018-04-27
GorjacinskRecord high maximum temperature21.1 C (70.0 F)2018-04-24
Veselaja GorkaRecord high maximum temperature25.4 C (77.7 F)2018-04-25
UletyRecord high minimum temperature3.1 C (37.6 F)2018-04-24
Verhnjaja GutaraRecord high minimum temperature5.9 C (42.6 F)2018-04-26
BaruunharaaRecord high minimum temperature5.0 C (41.0 F)2018-04-21
BayandelgerRecord high minimum temperature6.1 C (43.0 F)2018-04-26

Records per Day

Peak day 68
Records per day during Heat wave in Russia and 3 other countries, 16 to 29 April 2018 Records set or tied each day from 16 April 2018 to 29 April 2018. The most in one day was 68 on 24 April 2018. 0 20 40 60 80 04-1604-1904-2104-2304-2504-2704-29
Records set or tied each day from 16 April 2018 to 29 April 2018. The most in one day was 68 on 24 April 2018.
Records per day during Heat wave in Russia and 3 other countries, 16 to 29 April 2018
DateRecords
2018-04-161
2018-04-171
2018-04-1913
2018-04-201
2018-04-214
2018-04-226
2018-04-2314
2018-04-2468
2018-04-2551
2018-04-2639
2018-04-2736
2018-04-284
2018-04-291

Top Records by Margin

Margin over the record replaced
Top records of Heat wave in Russia and 3 other countries, 16 to 29 April 2018 ranked by margin
Gorjacinsk, 04-246.1 C (11.0 F)
Barguzin, 04-245.1 C (9.2 F)
Baruunharaa, 04-214.0 C (7.2 F)
Ust-Barguzin, 04-243.4 C (6.1 F)
Zhigalovo, 04-272.9 C (5.2 F)
Verhnjaja Gutara, 04-262.5 C (4.5 F)
Bogucany, 04-262.3 C (4.1 F)
Inga, 04-252.0 C (3.6 F)
Karam, 04-272.0 C (3.6 F)
Ulety, 04-242.0 C (3.6 F)
Irkutsk, 04-241.9 C (3.4 F)
Blagovescensk, 04-251.8 C (3.2 F)
Orlik, 04-261.8 C (3.2 F)
Zhigalovo, 04-241.3 C (2.3 F)
Bayandelger, 04-261.1 C (2.0 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

Margin against age of the broken record in Heat wave in Russia and 3 other countries, 16 to 29 April 2018 239 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. 0 25 50 75 100 0.02.04.06.08.0 Margin (C) Years the old record stood
239 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 3 other countries, 16 to 29 April 2018
Margin (C)Years the old record stood
1.997
1.897
0.459
5.156
1.845
2.075
2.968
3.456
2.369
2.073
0.775
0.145
6.136
0.448
2.063
2.557
1.356
0.164
4.039
1.156
0.956
4.333
0.621
0.251
2.749
1.155
1.351
0.856
1.848
3.033
0.620
1.051
2.333
1.548
0.420
1.447
0.456
0.920
1.148
0.851
0.251
4.021
1.12
0.845
0.747
1.544
1.736
2.433
2.233
1.933
0.60
1.28
0.744
1.38
0.214
0.643
1.129
2.133
2.333
0.643
1.128
3.420
0.120
2.035
4.47
1.929
0.736
0.336
3.520
1.436
2.731
1.039
0.129
0.33
0.83
1.729
3.521
1.42
2.420
2.820
0.631
2.921
1.329
0.336
3.121
1.52
0.323
0.221
0.617
1.221
2.021
2.415
1.129
2.621
1.333
2.521
1.129
0.820
1.120
0.329
0.92
0.629
1.132
3.221
1.124
2.624
3.83
3.63
4.04
2.13
2.85
2.315
1.220
0.224
3.313
1.221
2.013
2.029
1.121
0.920
0.520
3.03
0.323
3.43
0.621
0.620
1.316
3.73
1.513
3.03
1.49
1.312
2.93
3.63
2.83
1.43
2.63
0.319
0.54
1.90
2.64
0.924
0.813
0.520
0.921
0.513
1.44
2.13
0.315
2.53
2.43
1.74
0.34
2.93
2.73
1.93
1.23
2.64
1.27
0.313
2.013
2.09
1.99
0.613
0.613
2.83
1.57
0.37
3.63
1.91
1.63
1.04
0.53
0.412
0.312
0.520
0.615
0.812
1.03
0.54
0.14
0.54
0.44
0.27
0.29
1.712
1.73
2.23
0.813
1.113
0.59
1.512
1.33
0.93
0.43
0.33
0.73
0.73
1.14
0.34

Compared With Other Events

Station records per event
Station records in Heat wave in Russia and 3 other countries, 16 to 29 April 2018 compared with similar events
Heat wave in United States and Mexico, 16 January to 14 February 20249,869 records
Heat wave in United States, 28 January to 24 February 20266,528 records
Heat wave in United States and Mexico, 24 May to 19 June 20205,047 records
Heat wave in United States and Mexico, 26 March to 17 April 20213,669 records
Heat wave in Germany and 49 other countries, 18 December 2021 to 15 January 20223,626 records
Heat wave in Russia and 3 other countries, 16 to 29 April 2018 (this event)239 records

Every Record Set

20 of 239
Every record set or tied during Heat wave in Russia and 3 other countries, 16 to 29 April 2018, in date order
DateStationRecordValueMarginYears stoodSignificance
2018-04-21BaruunharaaRecord high minimum temperature5.0 C (41.0 F)4.0 C (7.2 F)3925 of 100 (Routine)
2018-04-23Hamar-DabanRecord high minimum temperature2.8 C (37.0 F)0.1 C (0.2 F)6427 of 100 (Routine)
2018-04-24IrkutskRecord high maximum temperature27.9 C (82.2 F)1.9 C (3.4 F)9742 of 100 (Notable)
2018-04-24BarguzinRecord high maximum temperature24.7 C (76.5 F)5.1 C (9.2 F)5635 of 100 (Notable)
2018-04-24Ust-BarguzinRecord high maximum temperature18.6 C (65.5 F)3.4 C (6.1 F)5632 of 100 (Routine)
2018-04-24Troickij PriiskRecord high maximum temperature14.9 C (58.8 F)0.7 C (1.3 F)7531 of 100 (Routine)
2018-04-24Hamar-DabanRecord high maximum temperature20.5 C (68.9 F)0.1 C (0.2 F)4531 of 100 (Routine)
2018-04-24GorjacinskRecord high maximum temperature21.1 C (70.0 F)6.1 C (11.0 F)3630 of 100 (Routine)
2018-04-24UletyRecord high minimum temperature3.1 C (37.6 F)2.0 C (3.6 F)6329 of 100 (Routine)
2018-04-24ZhigalovoRecord high maximum temperature23.5 C (74.3 F)1.3 C (2.3 F)5627 of 100 (Routine)
2018-04-25BlagovescenskRecord high maximum temperature28.9 C (84.0 F)1.8 C (3.2 F)9742 of 100 (Notable)
2018-04-25IngaRecord high minimum temperature7.0 C (44.6 F)2.0 C (3.6 F)7533 of 100 (Routine)
2018-04-25Veselaja GorkaRecord high maximum temperature25.4 C (77.7 F)0.4 C (0.7 F)4830 of 100 (Routine)
2018-04-26UglegorskRecord high minimum temperature7.6 C (45.7 F)0.4 C (0.7 F)5936 of 100 (Notable)
2018-04-26OrlikRecord high maximum temperature22.6 C (72.7 F)1.8 C (3.2 F)4533 of 100 (Routine)
2018-04-26BogucanyRecord high minimum temperature7.3 C (45.1 F)2.3 C (4.1 F)6931 of 100 (Routine)
2018-04-26Verhnjaja GutaraRecord high minimum temperature5.9 C (42.6 F)2.5 C (4.5 F)5728 of 100 (Routine)
2018-04-26BayandelgerRecord high minimum temperature6.1 C (43.0 F)1.1 C (2.0 F)5625 of 100 (Routine)
2018-04-27ZhigalovoRecord high minimum temperature6.6 C (43.9 F)2.9 C (5.2 F)6832 of 100 (Routine)
2018-04-27KaramRecord high minimum temperature4.2 C (39.6 F)2.0 C (3.6 F)7331 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 239 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 2026-10-18. Events are found by this site from station records and are not official designations. Records are provisional until reprocessed.