Built 2026-10-17 (17 October 2026)

Sumiha Weather Records (RSM00028655)

Record envelope, standing records and threshold days for Sumiha (RSM00028655), Russia, with 83 years of record.

Key Facts for Sumiha

  • Sumiha (RSM00028655) is a weather station in Russia at 55.23 latitude and 63.32 longitude, 176 m (577 ft) above sea level.
  • The station reports from 1936 to 2018, 83 years of record.
  • 1,464 records set at Sumiha still stand.
  • Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
  • Sumiha set a daily record low minimum temperature of 2.7 C (36.9 F) on 11 June 2018.

About the Station

  • Location: Russia, 55.23 latitude, 63.32 longitude.
  • Elevation: 176 m (577 ft).
  • Period of record: 1936 to 2018, 83 years.
  • Eligible elements: tmax, tmin, prcp.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Sumiha, with 2026 drawn through them The band shows the record high and record low for each calendar day at Sumiha. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -60-40-2002040 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Sumiha. 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 Sumiha, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan7.7 C (45.9 F)-45.0 C (-49.0 F)n/an/a
Feb6.0 C (42.8 F)-41.0 C (-41.8 F)n/an/a
Mar16.0 C (60.8 F)-32.8 C (-27.0 F)n/an/a
Apr32.0 C (89.6 F)-18.0 C (-0.4 F)n/an/a
May34.5 C (94.1 F)-7.2 C (19.0 F)n/an/a
Jun37.0 C (98.6 F)-2.2 C (28.0 F)n/an/a
Jul38.8 C (101.8 F)2.7 C (36.9 F)n/an/a
Aug38.1 C (100.6 F)-0.9 C (30.4 F)n/an/a
Sep34.0 C (93.2 F)-6.0 C (21.2 F)n/an/a
Oct23.4 C (74.1 F)-17.9 C (-0.2 F)n/an/a
Nov12.7 C (54.9 F)-37.3 C (-35.1 F)n/an/a
Dec6.8 C (44.2 F)-44.9 C (-48.8 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Sumiha by the year they were set 1,464 records at Sumiha still stand. 1998 holds the most, with 64. 0204060801969: 331970: 111971: 191973: 211974: 281975: 371976: 451977: 261978: 151979: 331980: 221981: 241982: 421983: 331984: 461985: 231986: 201987: 461988: 311989: 261990: 191991: 431992: 291993: 311994: 291995: 611996: 381997: 451998: 641999: 312000: 182001: 12002: 382003: 62004: 162007: 242008: 612009: 392010: 542011: 292012: 482013: 232014: 382015: 352016: 372017: 192018: 71969197519801985199019952000200720122017
1,464 records at Sumiha still stand. 1998 holds the most, with 64.
Standing records at Sumiha by the year they were set
Year setStanding records
196933
197011
197119
197321
197428
197537
197645
197726
197815
197933
198022
198124
198242
198333
198446
198523
198620
198746
198831
198926
199019
199143
199229
199331
199429
199561
199638
199745
199864
199931
200018
20011
200238
20036
200416
200724
200861
200939
201054
201129
201248
201323
201438
201535
201637
201719
20187

All-Time Record Progression

1 new records
When Sumiha set new all-time records 1 all-time records were set at Sumiha between 17 August 1999 and 17 August 1999. Each dot is a new record. Record daily precipitation17 August 1999: Record daily precipitation 96.0 mm (3.8 in)2000
1 all-time records were set at Sumiha between 17 August 1999 and 17 August 1999. Each dot is a new record.
When Sumiha set new all-time records
DateKindDetail
1999-08-17Record daily precipitationRecord daily precipitation 96.0 mm (3.8 in)

Wettest Day of Each Month

Aug: 96.0 mm (3.8 in)
Record daily precipitation for each month at Sumiha The wettest day on record for each calendar month at Sumiha. The most was 96.0 mm (3.8 in) on 17 August 1999. 0255075100 Jan: 18.0 mm (0.7 in), 16 January 2016 Jan Feb: 11.8 mm (0.5 in), 25 February 1944 Feb Mar: 29.7 mm (1.2 in), 14 March 1971 Mar Apr: 21.4 mm (0.8 in), 16 April 1975 Apr May: 44.1 mm (1.7 in), 13 May 1970 May Jun: 47.9 mm (1.9 in), 26 June 1954 Jun Jul: 90.9 mm (3.6 in), 13 July 1951 Jul Aug: 96.0 mm (3.8 in), 17 August 1999 Aug Sep: 44.8 mm (1.8 in), 18 September 1944 Sep Oct: 22.6 mm (0.9 in), 25 October 1969 Oct Nov: 31.0 mm (1.2 in), 6 November 1997 Nov Dec: 22.1 mm (0.9 in), 4 December 1977 Dec
The wettest day on record for each calendar month at Sumiha. The most was 96.0 mm (3.8 in) on 17 August 1999.
Record daily precipitation for each month at Sumiha
MonthRecord daily precipitation (mm)Date
Jan18.0 mm (0.7 in)16 January 2016
Feb11.8 mm (0.5 in)25 February 1944
Mar29.7 mm (1.2 in)14 March 1971
Apr21.4 mm (0.8 in)16 April 1975
May44.1 mm (1.7 in)13 May 1970
Jun47.9 mm (1.9 in)26 June 1954
Jul90.9 mm (3.6 in)13 July 1951
Aug96.0 mm (3.8 in)17 August 1999
Sep44.8 mm (1.8 in)18 September 1944
Oct22.6 mm (0.9 in)25 October 1969
Nov31.0 mm (1.2 in)6 November 1997
Dec22.1 mm (0.9 in)4 December 1977

Period of Record Coverage

1961 to 2018
Days with data per year at Sumiha 49 years of record at Sumiha, 1961 to 2018. 45 years have data for under 90 percent of days and are left out of rankings: 1961, 1962, 1969, 1970, 1971, 1973, 1974, 1975 and others. 1961: 1 of 365 days1962: 1 of 365 days1969: 38 of 365 days1970: 7 of 365 days1971: 18 of 365 days1973: 126 of 365 days1974: 255 of 365 days1975: 298 of 365 days1976: 280 of 366 days1977: 269 of 365 days1978: 290 of 365 days1979: 282 of 365 days1980: 305 of 366 days1981: 284 of 365 days1982: 300 of 365 days1983: 312 of 365 days1984: 280 of 366 days1985: 326 of 365 days1986: 314 of 365 days1987: 301 of 365 days1988: 319 of 366 days1989: 292 of 365 days1990: 306 of 365 days1991: 295 of 365 days1992: 236 of 366 days1993: 292 of 365 days1994: 228 of 365 days1995: 318 of 365 days1996: 333 of 366 days1997: 307 of 365 days1998: 296 of 365 days1999: 200 of 365 days2000: 188 of 366 days2001: 3 of 365 days2002: 258 of 365 days2003: 195 of 365 days2004: 161 of 366 days2007: 309 of 365 days2008: 331 of 366 days2009: 330 of 365 days2010: 323 of 365 days2011: 329 of 365 days2012: 301 of 366 days2013: 106 of 365 days2014: 24 of 365 days2015: 264 of 365 days2016: 306 of 366 days2017: 270 of 365 days2018: 102 of 365 days19701980199020002010
49 years of record at Sumiha, 1961 to 2018. 45 years have data for under 90 percent of days and are left out of rankings: 1961, 1962, 1969, 1970, 1971, 1973, 1974, 1975 and others.
Days with data per year at Sumiha
YearDays with dataShare of yearComplete
196110%No
196210%No
19693810%No
197072%No
1971185%No
197312635%No
197425570%No
197529882%No
197628077%No
197726974%No
197829079%No
197928277%No
198030583%No
198128478%No
198230082%No
198331285%No
198428077%No
198532689%No
198631486%No
198730182%No
198831987%No
198929280%No
199030684%No
199129581%No
199223664%No
199329280%No
199422862%No
199531887%No
199633391%Yes
199730784%No
199829681%No
199920055%No
200018851%No
200131%No
200225871%No
200319553%No
200416144%No
200730985%No
200833190%Yes
200933090%Yes
201032388%No
201132990%Yes
201230182%No
201310629%No
2014247%No
201526472%No
201630684%No
201727074%No
201810228%No

Latest Records

20
Latest records at Sumiha
DateStationRecordValueBeat old record byOld record stoodSignificance
11 June 2018Sumiha, RUdaily low min2.7 C (36.9 F)0.5 C (0.9 F)32 years15 of 100 (Routine)
25 April 2018Sumiha, RUdaily low min-3.8 C (25.2 F)1.8 C (3.2 F)39 years19 of 100 (Routine)
21 April 2018Sumiha, RUdaily rain7.9 mm (0.31 in)0.8 mm (0.03 in)31 years19 of 100 (Routine)
29 March 2018Sumiha, RUdaily rain9.9 mm (0.39 in)2.0 mm (0.08 in)4 years16 of 100 (Routine)
21 March 2018Sumiha, RUdaily low min-22.4 C (-8.3 F)0.6 C (1.1 F)4 years6 of 100 (Routine)
19 March 2018Sumiha, RUdaily rain4.1 mm (0.16 in)0.9 mm (0.04 in)72 years20 of 100 (Routine)
14 March 2018Sumiha, RUdaily low min-26.1 C (-15.0 F)3.1 C (5.6 F)24 years16 of 100 (Routine)
13 March 2018Sumiha, RUdaily low min-28.1 C (-18.6 F)4.8 C (8.6 F)29 years20 of 100 (Routine)
7 March 2018Sumiha, RUdaily low max-11.8 C (10.8 F)2.8 C (5.0 F)40 years22 of 100 (Routine)
6 March 2018Sumiha, RUdaily rain13.0 mm (0.5 in)4.7 mm (0.19 in)51 years20 of 100 (Routine)
23 January 2018Sumiha, RUdaily low min-29.9 C (-21.8 F)1.1 C (2.0 F)30 years15 of 100 (Routine)
29 December 2017Sumiha, RUdaily high max1.1 C (34.0 F)3.1 C (5.6 F)39 years20 of 100 (Routine)
29 October 2017Sumiha, RUdaily low min-15.0 C (5.0 F)2.8 C (5.0 F)48 years25 of 100 (Routine)
4 October 2017Sumiha, RUdaily low min-2.2 C (28.0 F)1.0 C (1.8 F)4 years8 of 100 (Routine)
3 October 2017Sumiha, RUdaily low min-6.4 C (20.5 F)3.4 C (6.1 F)7 years14 of 100 (Routine)
2 October 2017Sumiha, RUdaily low max-0.2 C (31.6 F)4.0 C (7.2 F)32 years20 of 100 (Routine)
2 October 2017Sumiha, RUdaily low min-5.3 C (22.5 F)3.6 C (6.5 F)20 years18 of 100 (Routine)
4 August 2017Sumiha, RUdaily low min8.1 C (46.6 F)0.9 C (1.6 F)44 years20 of 100 (Routine)
11 July 2017Sumiha, RUdaily low min8.9 C (48.0 F)1.8 C (3.2 F)14 years14 of 100 (Routine)
17 June 2017Sumiha, RUdaily rain18.0 mm (0.7 in)1.4 mm (0.06 in)31 years19 of 100 (Routine)

Extremes by Year

1936 to 2018
Yearly extremes at Sumiha: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)38.8 C (101.8 F)199534.0 C (93.2 F)49
Coldest night (TNn)-45.0 C (-49.0 F)1979-32.9 C (-27.2 F)48
Wettest day (Rx1day)96.0 mm (3.8 in)199931.5 mm (1.2 in)75
Wettest five days (Rx5day)111.2 mm (4.4 in)195146.4 mm (1.8 in)75
Longest dry spell (CDD)46 days194527 days75

Hottest day (TXx)

Hottest day (TXx) at Sumiha by year The hottest day of the year at Sumiha, 1936 to 2018. The record is 38.8 C (101.8 F) in 1995, marked on the chart; the median year is 34.0 C (93.2 F). -20020401940196019802000Record: 38.8 C (101.8 F) in 1995
The hottest day of the year at Sumiha, 1936 to 2018. The record is 38.8 C (101.8 F) in 1995, marked on the chart; the median year is 34.0 C (93.2 F).
Hottest day (TXx) at Sumiha by year
YearHottest day (TXx)
1936n/a
1937n/a
1938n/a
1939n/a
1940n/a
1941n/a
1942n/a
1943n/a
1944n/a
1945n/a
1946n/a
1947n/a
1948n/a
1949n/a
1950n/a
1951n/a
1952n/a
1953n/a
1954n/a
1955n/a
1956n/a
1957n/a
1958n/a
1959n/a
1960n/a
196125.0 C (77.0 F)
196227.8 C (82.0 F)
1963n/a
1964n/a
1965n/a
1966n/a
1967n/a
1968n/a
196926.1 C (79.0 F)
197028.9 C (84.0 F)
197132.2 C (90.0 F)
1972n/a
197330.0 C (86.0 F)
197436.0 C (96.8 F)
197537.0 C (98.6 F)
197633.0 C (91.4 F)
197735.0 C (95.0 F)
197834.0 C (93.2 F)
197934.0 C (93.2 F)
198034.0 C (93.2 F)
198134.0 C (93.2 F)
198234.0 C (93.2 F)
198332.5 C (90.5 F)
198432.7 C (90.9 F)
198532.9 C (91.2 F)
198632.1 C (89.8 F)
198736.0 C (96.8 F)
198834.0 C (93.2 F)
198937.3 C (99.1 F)
199035.8 C (96.4 F)
199135.4 C (95.7 F)
199231.0 C (87.8 F)
199334.4 C (93.9 F)
199433.1 C (91.6 F)
199538.8 C (101.8 F)
199634.7 C (94.5 F)
199733.4 C (92.1 F)
199835.8 C (96.4 F)
199929.2 C (84.6 F)
200035.0 C (95.0 F)
2001-9.6 C (14.7 F)
200232.0 C (89.6 F)
200329.5 C (85.1 F)
200434.5 C (94.1 F)
200733.0 C (91.4 F)
200834.1 C (93.4 F)
200934.5 C (94.1 F)
201036.6 C (97.9 F)
201133.4 C (92.1 F)
201238.2 C (100.8 F)
201334.0 C (93.2 F)
201417.4 C (63.3 F)
201535.2 C (95.4 F)
201634.0 C (93.2 F)
201731.6 C (88.9 F)
201818.7 C (65.7 F)

Coldest night (TNn)

Coldest night (TNn) at Sumiha by year The coldest night of the year at Sumiha, 1936 to 2018. The record is -45.0 C (-49.0 F) in 1979, marked on the chart; the median year is -32.9 C (-27.2 F). -60-40-200201940196019802000Record: -45.0 C (-49.0 F) in 1979
The coldest night of the year at Sumiha, 1936 to 2018. The record is -45.0 C (-49.0 F) in 1979, marked on the chart; the median year is -32.9 C (-27.2 F).
Coldest night (TNn) at Sumiha by year
YearColdest night (TNn)
1936n/a
1937n/a
1938n/a
1939n/a
1940n/a
1941n/a
1942n/a
1943n/a
1944n/a
1945n/a
1946n/a
1947n/a
1948n/a
1949n/a
1950n/a
1951n/a
1952n/a
1953n/a
1954n/a
1955n/a
1956n/a
1957n/a
1958n/a
1959n/a
1960n/a
196111.1 C (52.0 F)
1962n/a
1963n/a
1964n/a
1965n/a
1966n/a
1967n/a
1968n/a
1969-37.8 C (-36.0 F)
1970-31.1 C (-24.0 F)
1971-32.8 C (-27.0 F)
1972n/a
1973-40.0 C (-40.0 F)
1974-36.0 C (-32.8 F)
1975-33.0 C (-27.4 F)
1976-40.0 C (-40.0 F)
1977-41.0 C (-41.8 F)
1978-32.0 C (-25.6 F)
1979-45.0 C (-49.0 F)
1980-31.0 C (-23.8 F)
1981-27.0 C (-16.6 F)
1982-33.0 C (-27.4 F)
1983-31.1 C (-24.0 F)
1984-44.9 C (-48.8 F)
1985-28.6 C (-19.5 F)
1986-32.3 C (-26.1 F)
1987-34.6 C (-30.3 F)
1988-30.1 C (-22.2 F)
1989-33.5 C (-28.3 F)
1990-31.7 C (-25.1 F)
1991-31.8 C (-25.2 F)
1992-30.0 C (-22.0 F)
1993-30.7 C (-23.3 F)
1994-40.1 C (-40.2 F)
1995-28.0 C (-18.4 F)
1996-31.7 C (-25.1 F)
1997-35.9 C (-32.6 F)
1998-37.3 C (-35.1 F)
1999-30.7 C (-23.3 F)
2000-37.0 C (-34.6 F)
2001-23.7 C (-10.7 F)
2002-34.1 C (-29.4 F)
2003-30.2 C (-22.4 F)
2004-27.5 C (-17.5 F)
2007-30.0 C (-22.0 F)
2008-32.0 C (-25.6 F)
2009-34.2 C (-29.6 F)
2010-36.0 C (-32.8 F)
2011-36.1 C (-33.0 F)
2012-34.2 C (-29.6 F)
2013-28.3 C (-18.9 F)
2014-37.0 C (-34.6 F)
2015-33.5 C (-28.3 F)
2016-34.4 C (-29.9 F)
2017-35.9 C (-32.6 F)
2018-29.9 C (-21.8 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Sumiha by year The wettest day of the year at Sumiha, 1936 to 2018. The record is 96.0 mm (3.8 in) in 1999, marked on the chart; the median year is 31.5 mm (1.2 in). 02550751001940196019802000Record: 96.0 mm (3.8 in) in 1999
The wettest day of the year at Sumiha, 1936 to 2018. The record is 96.0 mm (3.8 in) in 1999, marked on the chart; the median year is 31.5 mm (1.2 in).
Wettest day (Rx1day) at Sumiha by year
YearWettest day (Rx1day)
193652.8 mm (2.1 in)
193731.2 mm (1.2 in)
193826.4 mm (1.0 in)
193925.6 mm (1.0 in)
194051.6 mm (2.0 in)
194128.8 mm (1.1 in)
194253.2 mm (2.1 in)
194317.9 mm (0.7 in)
194444.8 mm (1.8 in)
194536.4 mm (1.4 in)
194655.8 mm (2.2 in)
194735.2 mm (1.4 in)
194829.3 mm (1.2 in)
194933.8 mm (1.3 in)
195023.8 mm (0.9 in)
195190.9 mm (3.6 in)
195234.5 mm (1.4 in)
195322.3 mm (0.9 in)
195447.9 mm (1.9 in)
195539.3 mm (1.5 in)
195627.7 mm (1.1 in)
195714.8 mm (0.6 in)
195821.7 mm (0.9 in)
195940.1 mm (1.6 in)
196028.0 mm (1.1 in)
196149.4 mm (1.9 in)
196227.1 mm (1.1 in)
196337.7 mm (1.5 in)
196438.0 mm (1.5 in)
196516.0 mm (0.6 in)
196616.1 mm (0.6 in)
196722.5 mm (0.9 in)
196827.6 mm (1.1 in)
196922.6 mm (0.9 in)
197044.1 mm (1.7 in)
197132.4 mm (1.3 in)
197233.1 mm (1.3 in)
197328.6 mm (1.1 in)
197416.7 mm (0.7 in)
197521.4 mm (0.8 in)
197624.4 mm (1.0 in)
197737.1 mm (1.5 in)
197840.5 mm (1.6 in)
197939.4 mm (1.6 in)
198024.9 mm (1.0 in)
198136.2 mm (1.4 in)
198231.5 mm (1.2 in)
198333.3 mm (1.3 in)
198428.6 mm (1.1 in)
198527.0 mm (1.1 in)
198623.4 mm (0.9 in)
198742.9 mm (1.7 in)
198818.8 mm (0.7 in)
198927.2 mm (1.1 in)
199061.3 mm (2.4 in)
199138.3 mm (1.5 in)
199236.1 mm (1.4 in)
199335.1 mm (1.4 in)
199433.1 mm (1.3 in)
199519.0 mm (0.7 in)
199617.0 mm (0.7 in)
199784.1 mm (3.3 in)
199839.1 mm (1.5 in)
199996.0 mm (3.8 in)
20000.0 mm (0.00 in)
2001n/a
20022.5 mm (0.10 in)
20030.0 mm (0.00 in)
20040.0 mm (0.00 in)
2007n/a
2008n/a
2009n/a
2010n/a
2011n/a
201210.2 mm (0.4 in)
201333.0 mm (1.3 in)
201442.9 mm (1.7 in)
201540.9 mm (1.6 in)
201638.1 mm (1.5 in)
201726.9 mm (1.1 in)
201813.0 mm (0.5 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Sumiha by year The wettest five days of the year at Sumiha, 1936 to 2018. The record is 111.2 mm (4.4 in) in 1951, marked on the chart; the median year is 46.4 mm (1.8 in). 0501001501940196019802000Record: 111.2 mm (4.4 in) in 1951
The wettest five days of the year at Sumiha, 1936 to 2018. The record is 111.2 mm (4.4 in) in 1951, marked on the chart; the median year is 46.4 mm (1.8 in).
Wettest five days (Rx5day) at Sumiha by year
YearWettest five days (Rx5day)
193673.8 mm (2.9 in)
193758.4 mm (2.3 in)
193833.0 mm (1.3 in)
193937.0 mm (1.5 in)
194072.6 mm (2.9 in)
194184.2 mm (3.3 in)
194266.5 mm (2.6 in)
194330.9 mm (1.2 in)
194447.3 mm (1.9 in)
194553.9 mm (2.1 in)
194696.4 mm (3.8 in)
194746.4 mm (1.8 in)
194840.2 mm (1.6 in)
194940.2 mm (1.6 in)
195054.2 mm (2.1 in)
1951111.2 mm (4.4 in)
195249.2 mm (1.9 in)
195334.1 mm (1.3 in)
195453.3 mm (2.1 in)
195555.8 mm (2.2 in)
195639.7 mm (1.6 in)
195741.6 mm (1.6 in)
195848.5 mm (1.9 in)
195945.5 mm (1.8 in)
196047.4 mm (1.9 in)
196151.9 mm (2.0 in)
196230.9 mm (1.2 in)
196344.0 mm (1.7 in)
196452.1 mm (2.1 in)
196521.1 mm (0.8 in)
196631.6 mm (1.2 in)
196751.5 mm (2.0 in)
196836.8 mm (1.4 in)
196936.5 mm (1.4 in)
197046.8 mm (1.8 in)
197179.0 mm (3.1 in)
197249.4 mm (1.9 in)
197353.8 mm (2.1 in)
197435.4 mm (1.4 in)
197526.4 mm (1.0 in)
197632.0 mm (1.3 in)
197739.1 mm (1.5 in)
197860.8 mm (2.4 in)
197946.3 mm (1.8 in)
198041.0 mm (1.6 in)
198148.1 mm (1.9 in)
198249.4 mm (1.9 in)
198384.1 mm (3.3 in)
198450.5 mm (2.0 in)
198533.2 mm (1.3 in)
198633.4 mm (1.3 in)
198766.0 mm (2.6 in)
198831.0 mm (1.2 in)
198933.9 mm (1.3 in)
199096.8 mm (3.8 in)
199165.6 mm (2.6 in)
199266.5 mm (2.6 in)
199364.6 mm (2.5 in)
199459.6 mm (2.3 in)
199535.4 mm (1.4 in)
199617.0 mm (0.7 in)
1997110.0 mm (4.3 in)
199855.4 mm (2.2 in)
199996.0 mm (3.8 in)
20000.0 mm (0.00 in)
2001n/a
20020.0 mm (0.00 in)
20030.0 mm (0.00 in)
20040.0 mm (0.00 in)
2007n/a
2008n/a
2009n/a
2010n/a
2011n/a
201221.0 mm (0.8 in)
201338.1 mm (1.5 in)
201440.8 mm (1.6 in)
201559.1 mm (2.3 in)
201645.9 mm (1.8 in)
201736.8 mm (1.4 in)
201813.3 mm (0.5 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Sumiha by year The longest dry spell of the year at Sumiha, 1936 to 2018. The record is 46 days in 1945, marked on the chart; the median year is 27 days. 010203040501940196019802000Record: 46 days in 1945
The longest dry spell of the year at Sumiha, 1936 to 2018. The record is 46 days in 1945, marked on the chart; the median year is 27 days.
Longest dry spell (CDD) at Sumiha by year
YearLongest dry spell (CDD)
193625 days
193729 days
193827 days
193927 days
194038 days
194130 days
194225 days
194327 days
194445 days
194546 days
194628 days
194718 days
194826 days
194935 days
195023 days
195136 days
195238 days
195321 days
195426 days
195528 days
195624 days
195739 days
195828 days
195936 days
196022 days
196120 days
196227 days
196328 days
196429 days
196522 days
196620 days
196739 days
196830 days
196916 days
197021 days
197124 days
197226 days
197332 days
197438 days
197523 days
197623 days
19779 days
197842 days
197926 days
198029 days
198128 days
198222 days
198328 days
198435 days
198543 days
198628 days
198714 days
198830 days
198930 days
199018 days
199144 days
199236 days
199323 days
199428 days
199533 days
199618 days
199710 days
199810 days
199932 days
200012 days
2001n/a
20027 days
200313 days
200434 days
2007n/a
2008n/a
2009n/a
2010n/a
2011n/a
201211 days
201321 days
201416 days
201516 days
201627 days
201729 days
201828 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.

Rainfall Return Levels

59 years, 1936 to 2016

A day with at least 30.9 mm (1.2 in) of rain is expected about once in 2 years. A day with at least 76.4 mm (3.0 in) of rain is expected about once in 100 years.

Rainfall return levels at Sumiha: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years30.9 mm (1.2 in)
5 years42.2 mm (1.7 in)
10 years50.0 mm (2.0 in)
25 years60.3 mm (2.4 in)
50 years68.2 mm (2.7 in)
100 years76.4 mm (3.0 in)Longer than the 59 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, 59 years of values from 1936 to 2016.

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: 90.9 mm (3.6 in) in 1951; 61.3 mm (2.4 in) in 1990; 55.8 mm (2.2 in) in 1946.

Download the Data

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