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Built 2026-10-17 (17 October 2026)

Lemhi Weather Records (USC00105205)

Record envelope, standing records and threshold days for Lemhi (USC00105205), Idaho, United States, with 34 years of record.

Key Facts for Lemhi

  • Lemhi (USC00105205) is a weather station in Idaho, United States at 44.87 latitude and -113.55 longitude, n/a above sea level.
  • The station reports from 1893 to 1926, 34 years of record.
  • 1,464 records set at Lemhi still stand.
  • Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

  • Location: Idaho, United States, 44.87 latitude, -113.55 longitude.
  • Elevation: n/a.
  • Period of record: 1893 to 1926, 34 years.
  • Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Lemhi, with 2026 drawn through them The band shows the record high and record low for each calendar day at Lemhi. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -40-2002040 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Lemhi. 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 Lemhi, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan11.1 C (52.0 F)-32.8 C (-27.0 F)n/an/a
Feb13.9 C (57.0 F)-30.6 C (-23.1 F)n/an/a
Mar21.1 C (70.0 F)-30.0 C (-22.0 F)n/an/a
Apr28.3 C (82.9 F)-15.0 C (5.0 F)n/an/a
May31.7 C (89.1 F)-8.9 C (16.0 F)n/an/a
Jun36.7 C (98.1 F)-3.9 C (25.0 F)n/an/a
Jul38.3 C (100.9 F)-0.6 C (30.9 F)n/an/a
Aug38.3 C (100.9 F)-2.2 C (28.0 F)n/an/a
Sep32.8 C (91.0 F)-6.1 C (21.0 F)n/an/a
Oct26.1 C (79.0 F)-16.7 C (1.9 F)n/an/a
Nov20.6 C (69.1 F)-27.8 C (-18.0 F)n/an/a
Dec15.6 C (60.1 F)-37.2 C (-35.0 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Lemhi by the year they were set 1,464 records at Lemhi still stand. 1916 holds the most, with 147. 0501001501893: 301894: 1081895: 1101896: 941905: 821914: 391915: 771916: 1471917: 1021918: 1141919: 751920: 441921: 641922: 1191923: 621924: 911925: 591926: 47189318951905191519171919192119231925
1,464 records at Lemhi still stand. 1916 holds the most, with 147.
Standing records at Lemhi by the year they were set
Year setStanding records
189330
1894108
1895110
189694
190582
191439
191577
1916147
1917102
1918114
191975
192044
192164
1922119
192362
192491
192559
192647

Wettest Day of Each Month

Jun: 37.8 mm (1.5 in)
Record daily precipitation for each month at Lemhi The wettest day on record for each calendar month at Lemhi. The most was 37.8 mm (1.5 in) on 17 June 1921. 010203040 Jan: 20.3 mm (0.8 in), 16 January 1894 Jan Feb: 14.2 mm (0.6 in), 11 February 1919 Feb Mar: 12.7 mm (0.5 in), 6 March 1925 Mar Apr: 19.6 mm (0.8 in), 4 April 1921 Apr May: 21.8 mm (0.9 in), 2 May 1915 May Jun: 37.8 mm (1.5 in), 17 June 1921 Jun Jul: 19.6 mm (0.8 in), 12 July 1896 Jul Aug: 17.8 mm (0.7 in), 9 August 1905 Aug Sep: 21.1 mm (0.8 in), 28 September 1905 Sep Oct: 10.9 mm (0.4 in), 29 October 1924 Oct Nov: 15.5 mm (0.6 in), 21 November 1921 Nov Dec: 12.7 mm (0.5 in), 21 December 1925 Dec
The wettest day on record for each calendar month at Lemhi. The most was 37.8 mm (1.5 in) on 17 June 1921.
Record daily precipitation for each month at Lemhi
MonthRecord daily precipitation (mm)Date
Jan20.3 mm (0.8 in)16 January 1894
Feb14.2 mm (0.6 in)11 February 1919
Mar12.7 mm (0.5 in)6 March 1925
Apr19.6 mm (0.8 in)4 April 1921
May21.8 mm (0.9 in)2 May 1915
Jun37.8 mm (1.5 in)17 June 1921
Jul19.6 mm (0.8 in)12 July 1896
Aug17.8 mm (0.7 in)9 August 1905
Sep21.1 mm (0.8 in)28 September 1905
Oct10.9 mm (0.4 in)29 October 1924
Nov15.5 mm (0.6 in)21 November 1921
Dec12.7 mm (0.5 in)21 December 1925

Period of Record Coverage

1893 to 1926
Days with data per year at Lemhi 18 years of record at Lemhi, 1893 to 1926. 15 years have data for under 90 percent of days and are left out of rankings: 1893, 1894, 1895, 1896, 1905, 1914, 1915, 1918 and others. 1893: 61 of 365 days1894: 212 of 365 days1895: 258 of 365 days1896: 237 of 366 days1905: 203 of 365 days1914: 153 of 365 days1915: 263 of 365 days1916: 348 of 366 days1917: 347 of 365 days1918: 306 of 365 days1919: 266 of 365 days1920: 115 of 366 days1921: 195 of 365 days1922: 305 of 365 days1923: 338 of 365 days1924: 322 of 366 days1925: 268 of 365 days1926: 137 of 365 days18951905191519201925
18 years of record at Lemhi, 1893 to 1926. 15 years have data for under 90 percent of days and are left out of rankings: 1893, 1894, 1895, 1896, 1905, 1914, 1915, 1918 and others.
Days with data per year at Lemhi
YearDays with dataShare of yearComplete
18936117%No
189421258%No
189525871%No
189623765%No
190520356%No
191415342%No
191526372%No
191634895%Yes
191734795%Yes
191830684%No
191926673%No
192011531%No
192119553%No
192230584%No
192333893%Yes
192432288%No
192526873%No
192613738%No

Latest Records

0

No records were set at this station in the latest data.

Extremes by Year

1893 to 1926
Yearly extremes at Lemhi: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)38.3 C (100.9 F)189534.7 C (94.5 F)18
Coldest night (TNn)-37.2 C (-35.0 F)1924-28.6 C (-19.5 F)18
Wettest day (Rx1day)37.8 mm (1.5 in)192117.3 mm (0.7 in)18
Wettest five days (Rx5day)50.1 mm (2.0 in)191524.6 mm (1.0 in)18
Longest dry spell (CDD)69 days191931 days18

Hottest day (TXx)

Hottest day (TXx) at Lemhi by year The hottest day of the year at Lemhi, 1893 to 1926. The record is 38.3 C (100.9 F) in 1895, marked on the chart; the median year is 34.7 C (94.5 F). 10203040190019101920Record: 38.3 C (100.9 F) in 1895
The hottest day of the year at Lemhi, 1893 to 1926. The record is 38.3 C (100.9 F) in 1895, marked on the chart; the median year is 34.7 C (94.5 F).
Hottest day (TXx) at Lemhi by year
YearHottest day (TXx)
189315.6 C (60.1 F)
189437.2 C (99.0 F)
189538.3 C (100.9 F)
189635.6 C (96.1 F)
190535.0 C (95.0 F)
191432.2 C (90.0 F)
191533.9 C (93.0 F)
191633.9 C (93.0 F)
191735.0 C (95.0 F)
191833.3 C (91.9 F)
191935.6 C (96.1 F)
192024.4 C (75.9 F)
192134.4 C (93.9 F)
192234.4 C (93.9 F)
192332.8 C (91.0 F)
192435.6 C (96.1 F)
192538.3 C (100.9 F)
192637.8 C (100.0 F)

Coldest night (TNn)

Coldest night (TNn) at Lemhi by year The coldest night of the year at Lemhi, 1893 to 1926. The record is -37.2 C (-35.0 F) in 1924, marked on the chart; the median year is -28.6 C (-19.5 F). -40-30-20-10190019101920Record: -37.2 C (-35.0 F) in 1924
The coldest night of the year at Lemhi, 1893 to 1926. The record is -37.2 C (-35.0 F) in 1924, marked on the chart; the median year is -28.6 C (-19.5 F).
Coldest night (TNn) at Lemhi by year
YearColdest night (TNn)
1893-25.0 C (-13.0 F)
1894-26.7 C (-16.1 F)
1895-22.2 C (-8.0 F)
1896-30.0 C (-22.0 F)
1905-16.7 C (1.9 F)
1914-27.8 C (-18.0 F)
1915-30.0 C (-22.0 F)
1916-32.2 C (-26.0 F)
1917-28.3 C (-18.9 F)
1918-32.8 C (-27.0 F)
1919-36.7 C (-34.1 F)
1920-29.4 C (-20.9 F)
1921-23.3 C (-9.9 F)
1922-30.6 C (-23.1 F)
1923-28.9 C (-20.0 F)
1924-37.2 C (-35.0 F)
1925-20.6 C (-5.1 F)
1926-21.1 C (-6.0 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Lemhi by year The wettest day of the year at Lemhi, 1893 to 1926. The record is 37.8 mm (1.5 in) in 1921, marked on the chart; the median year is 17.3 mm (0.7 in). 10203040190019101920Record: 37.8 mm (1.5 in) in 1921
The wettest day of the year at Lemhi, 1893 to 1926. The record is 37.8 mm (1.5 in) in 1921, marked on the chart; the median year is 17.3 mm (0.7 in).
Wettest day (Rx1day) at Lemhi by year
YearWettest day (Rx1day)
189310.7 mm (0.4 in)
189420.3 mm (0.8 in)
189510.9 mm (0.4 in)
189619.6 mm (0.8 in)
190528.4 mm (1.1 in)
191416.8 mm (0.7 in)
191521.8 mm (0.9 in)
191619.3 mm (0.8 in)
191710.9 mm (0.4 in)
191817.8 mm (0.7 in)
191914.2 mm (0.6 in)
192012.2 mm (0.5 in)
192137.8 mm (1.5 in)
192217.8 mm (0.7 in)
192314.2 mm (0.6 in)
192410.9 mm (0.4 in)
192526.7 mm (1.1 in)
192615.2 mm (0.6 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Lemhi by year The wettest five days of the year at Lemhi, 1893 to 1926. The record is 50.1 mm (2.0 in) in 1915, marked on the chart; the median year is 24.6 mm (1.0 in). 0204060190019101920Record: 50.1 mm (2.0 in) in 1915
The wettest five days of the year at Lemhi, 1893 to 1926. The record is 50.1 mm (2.0 in) in 1915, marked on the chart; the median year is 24.6 mm (1.0 in).
Wettest five days (Rx5day) at Lemhi by year
YearWettest five days (Rx5day)
189320.6 mm (0.8 in)
189432.2 mm (1.3 in)
189516.2 mm (0.6 in)
189627.2 mm (1.1 in)
190530.0 mm (1.2 in)
191417.8 mm (0.7 in)
191550.1 mm (2.0 in)
191622.4 mm (0.9 in)
191722.6 mm (0.9 in)
191826.5 mm (1.0 in)
191921.4 mm (0.8 in)
192014.3 mm (0.6 in)
192137.8 mm (1.5 in)
192234.3 mm (1.4 in)
192337.4 mm (1.5 in)
192411.4 mm (0.4 in)
192531.6 mm (1.2 in)
19268.1 mm (0.32 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Lemhi by year The longest dry spell of the year at Lemhi, 1893 to 1926. The record is 69 days in 1919, marked on the chart; the median year is 31 days. 020406080190019101920Record: 69 days in 1919
The longest dry spell of the year at Lemhi, 1893 to 1926. The record is 69 days in 1919, marked on the chart; the median year is 31 days.
Longest dry spell (CDD) at Lemhi by year
YearLongest dry spell (CDD)
189327 days
189426 days
189531 days
189624 days
190527 days
191443 days
191525 days
191633 days
191752 days
191833 days
191969 days
192031 days
192144 days
192252 days
192336 days
192429 days
192522 days
192618 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 Lemhi standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Lemhi 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).