Built 2026-10-19 (19 October 2026)

Moyale Weather Records (KE000063619)

Record envelope, standing records and threshold days for Moyale (KE000063619), Kenya, with 91 years of record.

Key Facts for Moyale

  • Moyale (KE000063619) is a weather station in Kenya at 3.53 latitude and 39.03 longitude, 1,097 m (3,599 ft) above sea level.
  • The station reports from 1935 to 2025, 91 years of record.
  • 1,464 records set at Moyale still stand.
  • Records are tracked for prcp: an element needs 30 years of data to be eligible.
  • Moyale set a daily record precipitation of 1.0 mm (0.04 in) on 18 August 2025.

About the Station

  • Location: Kenya, 3.53 latitude, 39.03 longitude.
  • Elevation: 1,097 m (3,599 ft).
  • Period of record: 1935 to 2025, 91 years.
  • Eligible elements: prcp.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Moyale, with 2026 drawn through them The band shows the record high and record low for each calendar day at Moyale. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. 10203040 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Moyale. 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 Moyale, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan35.0 C (95.0 F)12.8 C (55.0 F)n/a18.6 C (65.5 F)
Feb38.0 C (100.4 F)12.1 C (53.8 F)n/a18.9 C (66.0 F)
Mar39.6 C (103.3 F)13.6 C (56.5 F)n/a19.4 C (66.9 F)
Apr38.4 C (101.1 F)14.0 C (57.2 F)n/a18.7 C (65.7 F)
May33.7 C (92.7 F)15.4 C (59.7 F)n/a18.0 C (64.4 F)
Jun29.9 C (85.8 F)13.1 C (55.6 F)n/a17.5 C (63.5 F)
Jul32.6 C (90.7 F)12.5 C (54.5 F)n/a16.2 C (61.2 F)
Aug34.6 C (94.3 F)12.2 C (54.0 F)n/a16.5 C (61.7 F)
Sep36.5 C (97.7 F)11.8 C (53.2 F)n/an/a
Oct35.3 C (95.5 F)12.5 C (54.5 F)n/an/a
Nov33.0 C (91.4 F)15.2 C (59.4 F)n/an/a
Dec32.7 C (90.9 F)12.0 C (53.6 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Moyale by the year they were set 1,464 records at Moyale still stand. 1984 holds the most, with 95. 02550751001976: 11977: 31979: 11980: 11981: 11982: 101983: 591984: 951985: 881986: 601987: 721988: 581989: 751990: 711991: 601992: 601993: 431994: 651995: 521996: 601997: 301998: 341999: 62000: 192001: 272002: 262003: 332004: 22005: 122009: 722010: 442011: 192019: 422020: 172023: 472024: 662025: 331976198119851989199319972001200520192025
1,464 records at Moyale still stand. 1984 holds the most, with 95.
Standing records at Moyale by the year they were set
Year setStanding records
19761
19773
19791
19801
19811
198210
198359
198495
198588
198660
198772
198858
198975
199071
199160
199260
199343
199465
199552
199660
199730
199834
19996
200019
200127
200226
200333
20042
200512
200972
201044
201119
201942
202017
202347
202466
202533

Wettest Day of Each Month

Apr: 167.6 mm (6.6 in)
Record daily precipitation for each month at Moyale The wettest day on record for each calendar month at Moyale. The most was 167.6 mm (6.6 in) on 25 April 1940. 050100150200 Jan: 40.0 mm (1.6 in), 20 January 1970 Jan Feb: 48.2 mm (1.9 in), 12 February 1998 Feb Mar: 70.0 mm (2.8 in), 28 March 1985 Mar Apr: 167.6 mm (6.6 in), 25 April 1940 Apr May: 154.9 mm (6.1 in), 7 May 1935 May Jun: 24.8 mm (1.0 in), 11 June 1988 Jun Jul: 43.5 mm (1.7 in), 19 July 1979 Jul Aug: 72.4 mm (2.9 in), 7 August 1961 Aug Sep: 116.1 mm (4.6 in), 14 September 2000 Sep Oct: 145.0 mm (5.7 in), 17 October 1953 Oct Nov: 63.7 mm (2.5 in), 17 November 1968 Nov Dec: 83.3 mm (3.3 in), 15 December 1964 Dec
The wettest day on record for each calendar month at Moyale. The most was 167.6 mm (6.6 in) on 25 April 1940.
Record daily precipitation for each month at Moyale
MonthRecord daily precipitation (mm)Date
Jan40.0 mm (1.6 in)20 January 1970
Feb48.2 mm (1.9 in)12 February 1998
Mar70.0 mm (2.8 in)28 March 1985
Apr167.6 mm (6.6 in)25 April 1940
May154.9 mm (6.1 in)7 May 1935
Jun24.8 mm (1.0 in)11 June 1988
Jul43.5 mm (1.7 in)19 July 1979
Aug72.4 mm (2.9 in)7 August 1961
Sep116.1 mm (4.6 in)14 September 2000
Oct145.0 mm (5.7 in)17 October 1953
Nov63.7 mm (2.5 in)17 November 1968
Dec83.3 mm (3.3 in)15 December 1964

Period of Record Coverage

1982 to 2023
Days with data per year at Moyale 28 years of record at Moyale, 1982 to 2023. 28 years have data for under 90 percent of days and are left out of rankings: 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989 and others. 1982: 11 of 365 days1983: 205 of 365 days1984: 284 of 366 days1985: 250 of 365 days1986: 275 of 365 days1987: 244 of 365 days1988: 256 of 366 days1989: 272 of 365 days1990: 259 of 365 days1991: 276 of 365 days1992: 235 of 366 days1993: 242 of 365 days1994: 272 of 365 days1995: 274 of 365 days1996: 227 of 366 days1997: 68 of 365 days1998: 1 of 365 days1999: 1 of 365 days2000: 127 of 366 days2001: 127 of 365 days2002: 121 of 365 days2003: 104 of 365 days2004: 10 of 366 days2005: 3 of 365 days2009: 200 of 365 days2010: 132 of 365 days2011: 42 of 365 days2023: 47 of 365 days198519901995200020052010
28 years of record at Moyale, 1982 to 2023. 28 years have data for under 90 percent of days and are left out of rankings: 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989 and others.
Days with data per year at Moyale
YearDays with dataShare of yearComplete
1982113%No
198320556%No
198428478%No
198525068%No
198627575%No
198724467%No
198825670%No
198927275%No
199025971%No
199127676%No
199223564%No
199324266%No
199427275%No
199527475%No
199622762%No
19976819%No
199810%No
199910%No
200012735%No
200112735%No
200212133%No
200310428%No
2004103%No
200531%No
200920055%No
201013236%No
20114212%No
20234713%No

Latest Records

20
Latest records at Moyale
DateStationRecordValueBeat old record byOld record stoodSignificance
18 August 2025Moyale, KEdaily rain1.0 mm (0.04 in)0.2 mm (0.01 in)83 years20 of 100 (Routine)
26 March 2025Moyale, KEdaily rain23.9 mm (0.9 in)3.0 mm (0.12 in)34 years20 of 100 (Routine)
4 November 2024Moyale, KEdaily rain33.0 mm (1.3 in)13.4 mm (0.5 in)67 years43 of 100 (Notable)
29 August 2024Moyale, KEdaily rain13.0 mm (0.5 in)7.2 mm (0.28 in)52 years20 of 100 (Routine)
28 August 2024Moyale, KEdaily rain3.0 mm (0.12 in)0.7 mm (0.03 in)81 years20 of 100 (Routine)
18 November 2023Moyale, KEdaily rain49.0 mm (1.9 in)14.7 mm (0.6 in)84 years49 of 100 (Notable)
6 November 2023Moyale, KEdaily rain34.0 mm (1.3 in)2.2 mm (0.09 in)28 years18 of 100 (Routine)
3 November 2023Moyale, KEdaily rain22.1 mm (0.9 in)1.5 mm (0.06 in)29 years17 of 100 (Routine)
2 August 2023Moyale, KEdaily rain9.9 mm (0.39 in)4.1 mm (0.16 in)34 years20 of 100 (Routine)
4 July 2023Moyale, KEdaily rain (Tie)5.1 mm (0.20 in)tie22 years3 of 100 (Routine)
6 June 2023Moyale, KEdaily rain9.9 mm (0.39 in)3.5 mm (0.14 in)77 years20 of 100 (Routine)
14 October 2019Moyale, KEdaily rain31.0 mm (1.2 in)1.0 mm (0.04 in)54 years24 of 100 (Routine)
7 October 2019Moyale, KEdaily rain36.1 mm (1.4 in)3.8 mm (0.15 in)40 years22 of 100 (Routine)
5 October 2019Moyale, KEdaily rain82.0 mm (3.2 in)40.6 mm (1.6 in)57 years56 of 100 (Notable)
4 October 2019Moyale, KEdaily rain55.1 mm (2.2 in)28.6 mm (1.1 in)49 years44 of 100 (Notable)
27 September 2019Moyale, KEdaily rain24.9 mm (1.0 in)13.2 mm (0.5 in)36 years20 of 100 (Routine)
1 April 2009Moyale, KEdaily rain34.0 mm (1.3 in)0.1 mm (0.00 in)28 years15 of 100 (Routine)
13 October 2005Moyale, KEdaily rain71.1 mm (2.8 in)44.2 mm (1.7 in)54 years57 of 100 (Notable)
19 September 2005Moyale, KEdaily rain23.9 mm (0.9 in)17.5 mm (0.7 in)16 years20 of 100 (Routine)
22 May 2005Moyale, KEdaily rain59.9 mm (2.4 in)33.4 mm (1.3 in)36 years40 of 100 (Notable)

Extremes by Year

1935 to 2025
Yearly extremes at Moyale: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)39.6 C (103.3 F)200234.3 C (93.7 F)28
Coldest night (TNn)11.8 C (53.2 F)199614.8 C (58.6 F)39
Wettest day (Rx1day)167.6 mm (6.6 in)194059.1 mm (2.3 in)80
Wettest five days (Rx5day)482.5 mm (19.0 in)1940108.2 mm (4.3 in)75
Longest dry spell (CDD)223 days194038 days80

Hottest day (TXx)

Hottest day (TXx) at Moyale by year The hottest day of the year at Moyale, 1935 to 2025. The record is 39.6 C (103.3 F) in 2002, marked on the chart; the median year is 34.3 C (93.7 F). 2530354019401960198020002020Record: 39.6 C (103.3 F) in 2002
The hottest day of the year at Moyale, 1935 to 2025. The record is 39.6 C (103.3 F) in 2002, marked on the chart; the median year is 34.3 C (93.7 F).
Hottest day (TXx) at Moyale by year
YearHottest day (TXx)
1935n/a
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
1961n/a
1962n/a
1963n/a
1964n/a
1965n/a
1966n/a
1967n/a
1968n/a
1969n/a
1970n/a
1971n/a
1972n/a
1973n/a
1974n/a
1975n/a
1976n/a
1977n/a
1978n/a
1979n/a
1980n/a
1981n/a
198228.9 C (84.0 F)
198334.1 C (93.4 F)
198434.3 C (93.7 F)
198533.3 C (91.9 F)
198634.8 C (94.6 F)
198735.0 C (95.0 F)
198838.5 C (101.3 F)
198935.3 C (95.5 F)
199034.6 C (94.3 F)
199138.4 C (101.1 F)
199234.2 C (93.6 F)
199332.3 C (90.1 F)
199434.3 C (93.7 F)
199538.7 C (101.7 F)
199637.9 C (100.2 F)
199734.2 C (93.6 F)
199826.3 C (79.3 F)
199927.2 C (81.0 F)
200033.5 C (92.3 F)
200134.6 C (94.3 F)
200239.6 C (103.3 F)
200334.9 C (94.8 F)
200431.9 C (89.4 F)
200536.5 C (97.7 F)
200933.6 C (92.5 F)
201032.6 C (90.7 F)
201133.9 C (93.0 F)
2018n/a
2019n/a
2020n/a
202330.9 C (87.6 F)
2024n/a
2025n/a

Coldest night (TNn)

Coldest night (TNn) at Moyale by year The coldest night of the year at Moyale, 1935 to 2025. The record is 11.8 C (53.2 F) in 1996, marked on the chart; the median year is 14.8 C (58.6 F). 101214161819401960198020002020Record: 11.8 C (53.2 F) in 1996
The coldest night of the year at Moyale, 1935 to 2025. The record is 11.8 C (53.2 F) in 1996, marked on the chart; the median year is 14.8 C (58.6 F).
Coldest night (TNn) at Moyale by year
YearColdest night (TNn)
1935n/a
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
1961n/a
1962n/a
1963n/a
1964n/a
1965n/a
1966n/a
1967n/a
1968n/a
1969n/a
1970n/a
1971n/a
1972n/a
1973n/a
1974n/a
1975n/a
197617.0 C (62.6 F)
197716.0 C (60.8 F)
197817.0 C (62.6 F)
197917.0 C (62.6 F)
198016.0 C (60.8 F)
198115.0 C (59.0 F)
198212.8 C (55.0 F)
198312.0 C (53.6 F)
198414.5 C (58.1 F)
198512.1 C (53.8 F)
198613.3 C (55.9 F)
198712.5 C (54.5 F)
198815.0 C (59.0 F)
198913.7 C (56.7 F)
199012.5 C (54.5 F)
199113.5 C (56.3 F)
199212.2 C (54.0 F)
199313.0 C (55.4 F)
199414.0 C (57.2 F)
199514.6 C (58.3 F)
199611.8 C (53.2 F)
199712.2 C (54.0 F)
199813.6 C (56.5 F)
199915.2 C (59.4 F)
200015.1 C (59.2 F)
200114.8 C (58.6 F)
200215.1 C (59.2 F)
200313.1 C (55.6 F)
200413.0 C (55.4 F)
200512.9 C (55.2 F)
200915.6 C (60.1 F)
201016.0 C (60.8 F)
201116.3 C (61.3 F)
201816.8 C (62.2 F)
201916.7 C (62.1 F)
202015.5 C (59.9 F)
202315.6 C (60.1 F)
202416.4 C (61.5 F)
202516.2 C (61.2 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Moyale by year The wettest day of the year at Moyale, 1935 to 2025. The record is 167.6 mm (6.6 in) in 1940, marked on the chart; the median year is 59.1 mm (2.3 in). 05010015020019401960198020002020Record: 167.6 mm (6.6 in) in 1940
The wettest day of the year at Moyale, 1935 to 2025. The record is 167.6 mm (6.6 in) in 1940, marked on the chart; the median year is 59.1 mm (2.3 in).
Wettest day (Rx1day) at Moyale by year
YearWettest day (Rx1day)
1935154.9 mm (6.1 in)
193653.6 mm (2.1 in)
193762.7 mm (2.5 in)
193866.0 mm (2.6 in)
193992.7 mm (3.6 in)
1940167.6 mm (6.6 in)
194128.2 mm (1.1 in)
194274.2 mm (2.9 in)
194328.2 mm (1.1 in)
194455.1 mm (2.2 in)
194524.1 mm (0.9 in)
194643.2 mm (1.7 in)
194754.4 mm (2.1 in)
194843.2 mm (1.7 in)
1949100.1 mm (3.9 in)
195062.0 mm (2.4 in)
195196.5 mm (3.8 in)
195267.3 mm (2.6 in)
1953145.0 mm (5.7 in)
1954102.4 mm (4.0 in)
195531.8 mm (1.3 in)
195647.2 mm (1.9 in)
1957116.8 mm (4.6 in)
195836.3 mm (1.4 in)
1959105.4 mm (4.1 in)
196079.2 mm (3.1 in)
196172.4 mm (2.9 in)
196264.0 mm (2.5 in)
1963147.1 mm (5.8 in)
196483.3 mm (3.3 in)
196548.5 mm (1.9 in)
196641.9 mm (1.6 in)
196788.9 mm (3.5 in)
196868.6 mm (2.7 in)
196948.3 mm (1.9 in)
197042.5 mm (1.7 in)
197168.7 mm (2.7 in)
197239.5 mm (1.6 in)
197339.0 mm (1.5 in)
197441.2 mm (1.6 in)
197547.2 mm (1.9 in)
197680.3 mm (3.2 in)
197780.9 mm (3.2 in)
197897.1 mm (3.8 in)
197943.5 mm (1.7 in)
198036.1 mm (1.4 in)
198158.2 mm (2.3 in)
1982133.6 mm (5.3 in)
1983102.8 mm (4.0 in)
198452.5 mm (2.1 in)
198570.5 mm (2.8 in)
198645.5 mm (1.8 in)
1987102.7 mm (4.0 in)
198880.0 mm (3.1 in)
198962.5 mm (2.5 in)
199036.3 mm (1.4 in)
199174.6 mm (2.9 in)
199242.4 mm (1.7 in)
199334.5 mm (1.4 in)
199444.1 mm (1.7 in)
199531.8 mm (1.3 in)
199646.3 mm (1.8 in)
199770.3 mm (2.8 in)
1998103.1 mm (4.1 in)
19990.8 mm (0.03 in)
2000116.1 mm (4.6 in)
200168.1 mm (2.7 in)
200237.1 mm (1.5 in)
200334.0 mm (1.3 in)
20040.0 mm (0.00 in)
2005151.1 mm (5.9 in)
200934.0 mm (1.3 in)
201019.1 mm (0.8 in)
20112.0 mm (0.08 in)
201819.1 mm (0.8 in)
201982.0 mm (3.2 in)
202034.0 mm (1.3 in)
202361.0 mm (2.4 in)
202459.9 mm (2.4 in)
202529.0 mm (1.1 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Moyale by year The wettest five days of the year at Moyale, 1935 to 2025. The record is 482.5 mm (19.0 in) in 1940, marked on the chart; the median year is 108.2 mm (4.3 in). 020040060019401960198020002020Record: 482.5 mm (19.0 in) in 1940
The wettest five days of the year at Moyale, 1935 to 2025. The record is 482.5 mm (19.0 in) in 1940, marked on the chart; the median year is 108.2 mm (4.3 in).
Wettest five days (Rx5day) at Moyale by year
YearWettest five days (Rx5day)
1935184.1 mm (7.2 in)
193697.7 mm (3.8 in)
1937120.6 mm (4.7 in)
193869.9 mm (2.8 in)
1939225.7 mm (8.9 in)
1940482.5 mm (19.0 in)
194164.0 mm (2.5 in)
1942105.2 mm (4.1 in)
194351.4 mm (2.0 in)
194471.0 mm (2.8 in)
194533.1 mm (1.3 in)
194675.2 mm (3.0 in)
1947149.3 mm (5.9 in)
194878.5 mm (3.1 in)
1949120.5 mm (4.7 in)
1950111.0 mm (4.4 in)
1951182.8 mm (7.2 in)
1952120.1 mm (4.7 in)
1953180.6 mm (7.1 in)
1954243.9 mm (9.6 in)
195544.1 mm (1.7 in)
1956108.2 mm (4.3 in)
1957177.3 mm (7.0 in)
195861.7 mm (2.4 in)
1959203.7 mm (8.0 in)
1960128.5 mm (5.1 in)
196197.8 mm (3.9 in)
196293.5 mm (3.7 in)
1963173.2 mm (6.8 in)
1964129.8 mm (5.1 in)
1965112.4 mm (4.4 in)
1966103.6 mm (4.1 in)
1967157.4 mm (6.2 in)
1968107.2 mm (4.2 in)
1969142.3 mm (5.6 in)
1970106.6 mm (4.2 in)
1971155.7 mm (6.1 in)
197279.4 mm (3.1 in)
197350.1 mm (2.0 in)
197475.8 mm (3.0 in)
197587.0 mm (3.4 in)
1976145.8 mm (5.7 in)
1977180.3 mm (7.1 in)
1978108.6 mm (4.3 in)
197967.6 mm (2.7 in)
1980110.2 mm (4.3 in)
1981167.9 mm (6.6 in)
1982207.7 mm (8.2 in)
1983147.3 mm (5.8 in)
198484.9 mm (3.3 in)
1985129.2 mm (5.1 in)
198691.7 mm (3.6 in)
1987159.8 mm (6.3 in)
1988153.3 mm (6.0 in)
1989142.9 mm (5.6 in)
1990112.3 mm (4.4 in)
1991123.2 mm (4.9 in)
199276.5 mm (3.0 in)
199390.3 mm (3.6 in)
199477.9 mm (3.1 in)
199562.4 mm (2.5 in)
199672.1 mm (2.8 in)
1997188.7 mm (7.4 in)
1998146.0 mm (5.7 in)
1999n/a
20003.4 mm (0.13 in)
200184.5 mm (3.3 in)
200270.1 mm (2.8 in)
200385.0 mm (3.3 in)
2004n/a
2005n/a
200929.0 mm (1.1 in)
201040.2 mm (1.6 in)
2011n/a
2018n/a
2019202.2 mm (8.0 in)
202012.7 mm (0.5 in)
2023124.0 mm (4.9 in)
202434.3 mm (1.4 in)
202548.9 mm (1.9 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Moyale by year The longest dry spell of the year at Moyale, 1935 to 2025. The record is 223 days in 1940, marked on the chart; the median year is 38 days. 010020030019401960198020002020Record: 223 days in 1940
The longest dry spell of the year at Moyale, 1935 to 2025. The record is 223 days in 1940, marked on the chart; the median year is 38 days.
Longest dry spell (CDD) at Moyale by year
YearLongest dry spell (CDD)
193541 days
193649 days
193749 days
193865 days
1939185 days
1940223 days
1941185 days
194266 days
194387 days
194435 days
194581 days
194640 days
194742 days
194849 days
194943 days
195034 days
195134 days
195235 days
195340 days
195451 days
195556 days
195657 days
195732 days
195826 days
195923 days
196036 days
196140 days
196232 days
196353 days
196428 days
196556 days
196641 days
196737 days
196861 days
196919 days
197038 days
197138 days
197231 days
197347 days
197472 days
197531 days
197641 days
197757 days
197832 days
197927 days
198037 days
198142 days
198247 days
198339 days
198479 days
198527 days
198656 days
198747 days
198835 days
198938 days
199059 days
199162 days
199230 days
199378 days
199471 days
199523 days
199640 days
199759 days
199816 days
19991 day
20005 days
20016 days
20025 days
20035 days
20042 days
20054 days
20094 days
20104 days
20112 days
20181 day
20193 days
20203 days
20234 days
20244 days
20253 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

63 years, 1935 to 1997

A day with at least 60.6 mm (2.4 in) of rain is expected about once in 2 years. A day with at least 192.8 mm (7.6 in) of rain is expected about once in 100 years.

Rainfall return levels at Moyale: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years60.6 mm (2.4 in)
5 years89.7 mm (3.5 in)
10 years111.3 mm (4.4 in)
25 years141.4 mm (5.6 in)
50 years166.1 mm (6.5 in)
100 years192.8 mm (7.6 in)Longer than the 63 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, 63 years of values from 1935 to 1997.

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: 167.6 mm (6.6 in) in 1940; 154.9 mm (6.1 in) in 1935; 147.1 mm (5.8 in) in 1963.

Download the Data

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