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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Walters Threshold Days by Year (USC00349278)

19 fixed thresholds counted per year at Walters (USC00349278): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Walters Thresholds

  • Walters: days with 10 mm (0.39 in) or more of precipitation in 88 years, most in 1941 with 38.
  • Walters: days with 25 mm (0.98 in) or more of precipitation in 88 years, most in 1986 with 17.
  • Walters: days with 50 mm (1.97 in) or more of precipitation in 85 years, most in 1950 with 6.
  • Walters: days with a maximum temperature at or above 30 C (86 F) in 79 years, most in 1956 with 171.
  • 19 fixed thresholds have at least one qualifying day at Walters.
79 years with a qualifying day
Days at or above 30 C (86 F) per year at Walters Days per year at Walters with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 171 in 1956. 0501001502001915: 1051916: 1361923: 1181924: 1111925: 1141926: 1161928: 1341929: 1111930: 1221931: 1301932: 1271933: 1451934: 1421935: 1081936: 1281937: 1301938: 1421939: 1561940: 1171941: 1071942: 1061943: 1281944: 1171946: 1121947: 1451948: 1431949: 1201950: 1161951: 1301952: 1411953: 1411954: 1471955: 1371956: 1711957: 1091958: 1241959: 1361960: 1291961: 1091962: 1411963: 1661964: 981965: 1151966: 1201967: 1331968: 921969: 1181970: 1361971: 1281973: 1151974: 1141975: 1121977: 1401981: 1311983: 1311984: 1361985: 1151986: 1211987: 1321988: 1311989: 1241990: 1161991: 1191993: 1181998: 1371999: 1112000: 1222001: 1152002: 1162003: 1292004: 1092005: 1282006: 1422007: 1172008: 1182009: 1132010: 1272011: 1502012: 1351915193019381947195519631971198519982006
Days per year at Walters with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 171 in 1956.
Days at or above 30 C (86 F) per year at Walters
YearDaysDecade average
1915105120.5
1916136120.5
1923118117.3
1924111117.3
1925114117.3
1926116117.3
1928134117.3
1929111117.3
1930122133
1931130133
1932127133
1933145133
1934142133
1935108133
1936128133
1937130133
1938142133
1939156133
1940117121.7
1941107121.7
1942106121.7
1943128121.7
1944117121.7
1946112121.7
1947145121.7
1948143121.7
1949120121.7
1950116135.2
1951130135.2
1952141135.2
1953141135.2
1954147135.2
1955137135.2
1956171135.2
1957109135.2
1958124135.2
1959136135.2
1960129122.1
1961109122.1
1962141122.1
1963166122.1
196498122.1
1965115122.1
1966120122.1
1967133122.1
196892122.1
1969118122.1
1970136124.2
1971128124.2
1973115124.2
1974114124.2
1975112124.2
1977140124.2
1981131127.6
1983131127.6
1984136127.6
1985115127.6
1986121127.6
1987132127.6
1988131127.6
1989124127.6
1990116120.2
1991119120.2
1993118120.2
1998137120.2
1999111120.2
2000122120.9
2001115120.9
2002116120.9
2003129120.9
2004109120.9
2005128120.9
2006142120.9
2007117120.9
2008118120.9
2009113120.9
2010127137.3
2011150137.3
2012135137.3
First to last qualifying date each year at Walters For each year, a bar from the first to the last day at Walters meeting 30 C (86 F). 1915: 27 April 1915 to 29 October 19151916: 5 March 1916 to 10 October 19161923: 7 April 1923 to 10 October 19231924: 15 April 1924 to 5 November 19241925: 11 April 1925 to 22 September 19251926: 9 May 1926 to 18 October 19261928: 25 March 1928 to 14 October 19281929: 23 March 1929 to 2 October 19291930: 8 April 1930 to 26 September 19301931: 15 May 1931 to 11 October 19311932: 15 March 1932 to 23 October 19321933: 3 April 1933 to 21 October 19331934: 20 March 1934 to 31 October 19341935: 26 March 1935 to 16 October 19351936: 22 March 1936 to 24 September 19361937: 15 April 1937 to 8 November 19371938: 20 March 1938 to 31 October 19381939: 14 March 1939 to 25 October 19391940: 31 March 1940 to 24 October 19401941: 8 May 1941 to 13 October 19411942: 4 April 1942 to 10 October 19421943: 3 April 1943 to 29 October 19431944: 21 April 1944 to 31 October 19441946: 30 March 1946 to 6 October 19461947: 29 April 1947 to 23 October 19471948: 6 April 1948 to 13 October 19481949: 7 April 1949 to 18 October 19491950: 2 April 1950 to 19 November 19501951: 22 March 1951 to 21 October 19511952: 31 March 1952 to 27 October 19521953: 20 March 1953 to 17 October 19531954: 10 March 1954 to 19 October 19541955: 3 March 1955 to 20 October 19551956: 24 February 1956 to 12 October 19561957: 14 May 1957 to 5 October 19571958: 23 April 1958 to 20 October 19581959: 24 March 1959 to 10 October 19591960: 31 March 1960 to 12 October 19601961: 3 March 1961 to 13 October 19611962: 14 April 1962 to 22 October 19621963: 18 March 1963 to 7 November 19631964: 12 April 1964 to 17 October 19641965: 21 April 1965 to 25 November 19651966: 31 March 1966 to 13 October 19661967: 10 March 1967 to 19 October 19671968: 1 May 1968 to 30 October 19681969: 8 April 1969 to 10 October 19691970: 27 April 1970 to 23 October 19701971: 13 March 1971 to 16 October 19711973: 9 May 1973 to 10 October 19731974: 2 March 1974 to 17 October 19741975: 17 April 1975 to 12 October 19751977: 1 May 1977 to 27 October 19771981: 8 April 1981 to 15 October 19811983: 27 April 1983 to 16 October 19831984: 15 March 1984 to 8 October 19841985: 15 April 1985 to 23 September 19851986: 6 April 1986 to 4 October 19861987: 17 April 1987 to 9 October 19871988: 24 March 1988 to 18 October 19881989: 11 March 1989 to 23 October 19891990: 14 May 1990 to 6 October 19901991: 5 March 1991 to 24 October 19911993: 12 April 1993 to 8 October 19931998: 26 April 1998 to 15 October 19981999: 21 April 1999 to 16 October 19992000: 6 April 2000 to 6 October 20002001: 15 May 2001 to 24 October 20012002: 14 March 2002 to 4 October 20022003: 14 April 2003 to 31 October 20032004: 18 March 2004 to 22 October 20042005: 13 March 2005 to 15 November 20052006: 2 March 2006 to 7 October 20062007: 5 May 2007 to 22 October 20072008: 28 March 2008 to 5 October 20082009: 6 March 2009 to 3 October 20092010: 1 April 2010 to 11 October 20102011: 28 February 2011 to 18 October 20112012: 2 April 2012 to 22 October 201219151932194219531963197419892004JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Walters meeting 30 C (86 F).
First to last qualifying date each year at Walters
YearFirst dateLast date
19151915-04-271915-10-29
19161916-03-051916-10-10
19231923-04-071923-10-10
19241924-04-151924-11-05
19251925-04-111925-09-22
19261926-05-091926-10-18
19281928-03-251928-10-14
19291929-03-231929-10-02
19301930-04-081930-09-26
19311931-05-151931-10-11
19321932-03-151932-10-23
19331933-04-031933-10-21
19341934-03-201934-10-31
19351935-03-261935-10-16
19361936-03-221936-09-24
19371937-04-151937-11-08
19381938-03-201938-10-31
19391939-03-141939-10-25
19401940-03-311940-10-24
19411941-05-081941-10-13
19421942-04-041942-10-10
19431943-04-031943-10-29
19441944-04-211944-10-31
19461946-03-301946-10-06
19471947-04-291947-10-23
19481948-04-061948-10-13
19491949-04-071949-10-18
19501950-04-021950-11-19
19511951-03-221951-10-21
19521952-03-311952-10-27
19531953-03-201953-10-17
19541954-03-101954-10-19
19551955-03-031955-10-20
19561956-02-241956-10-12
19571957-05-141957-10-05
19581958-04-231958-10-20
19591959-03-241959-10-10
19601960-03-311960-10-12
19611961-03-031961-10-13
19621962-04-141962-10-22
19631963-03-181963-11-07
19641964-04-121964-10-17
19651965-04-211965-11-25
19661966-03-311966-10-13
19671967-03-101967-10-19
19681968-05-011968-10-30
19691969-04-081969-10-10
19701970-04-271970-10-23
19711971-03-131971-10-16
19731973-05-091973-10-10
19741974-03-021974-10-17
19751975-04-171975-10-12
19771977-05-011977-10-27
19811981-04-081981-10-15
19831983-04-271983-10-16
19841984-03-151984-10-08
19851985-04-151985-09-23
19861986-04-061986-10-04
19871987-04-171987-10-09
19881988-03-241988-10-18
19891989-03-111989-10-23
19901990-05-141990-10-06
19911991-03-051991-10-24
19931993-04-121993-10-08
19981998-04-261998-10-15
19991999-04-211999-10-16
20002000-04-062000-10-06
20012001-05-152001-10-24
20022002-03-142002-10-04
20032003-04-142003-10-31
20042004-03-182004-10-22
20052005-03-132005-11-15
20062006-03-022006-10-07
20072007-05-052007-10-22
20082008-03-282008-10-05
20092009-03-062009-10-03
20102010-04-012010-10-11
20112011-02-282011-10-18
20122012-04-022012-10-22

Every Fixed Threshold

Fixed thresholds at Walters
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days791711956135
35 C (95 F): Days79110195680
40 C (104 F): Days6265201120
45 C (113 F): Days2219361
90 F (32.2 C): Days791461956118
100 F (37.8 C): Days7890201142
110 F (43.3 C): Days151220113
0 C (32 F): Ice days (max731619302
0 C (32 F): Frost days (min7497192958
-10 C (14 F): Days with min681720115
-20 C (-4 F): Days with min5319302
20 C (68 F): Tropical nights (min74111195475
25 C (77 F): Days with min665420117
10 mm (0.39 in): Days with 10 mm or more rain8838194118
25 mm (0.98 in): Days with 25 mm or more rain881719866
50 mm (1.97 in): Days with 50 mm or more rain85619501
100 mm (3.94 in): Days with 100 mm or more rain18119301
200 mm (7.87 in): Days with 200 mm or more rain1119871
10 cm (3.9 in): Days with 10 cm or more snowfall17219541

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1915.

Download the Data

  • Data for Walters 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). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).