Daily records
Page built 2026-10-19
Data as of 2026-10-17
Search
Built 2026-10-19 (19 October 2026)

Allatoona Dam 2 Threshold Days by Year (USC00090181)

14 fixed thresholds counted per year at Allatoona Dam 2 (USC00090181): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Allatoona Dam 2 Thresholds

  • Allatoona Dam 2: days with 10 mm (0.39 in) or more of precipitation in 51 years, most in 1989 with 56.
  • Allatoona Dam 2: days with 25 mm (0.98 in) or more of precipitation in 51 years, most in 1989 with 23.
  • Allatoona Dam 2: days with 50 mm (1.97 in) or more of precipitation in 47 years, most in 1990 with 9.
  • Allatoona Dam 2: days with a maximum temperature at or above 30 C (86 F) in 44 years, most in 1954 with 123.
  • 14 fixed thresholds have at least one qualifying day at Allatoona Dam 2.
44 years with a qualifying day
Days at or above 30 C (86 F) per year at Allatoona Dam 2 Days per year at Allatoona Dam 2 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 123 in 1954. 0501001501953: 961954: 1231955: 991956: 1031957: 891958: 821959: 891960: 1021961: 661962: 1011963: 701964: 841965: 731966: 671967: 451968: 661969: 791970: 941971: 591989: 541990: 941991: 741992: 431993: 911994: 521996: 821997: 701998: 1151999: 882000: 932001: 652004: 562006: 962007: 1022008: 802009: 652010: 1192011: 1132012: 842013: 512014: 922015: 942016: 1222026: 32195319581963196819901996200120092014
Days per year at Allatoona Dam 2 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 123 in 1954.
Days at or above 30 C (86 F) per year at Allatoona Dam 2
YearDaysDecade average
19539697.3
195412397.3
19559997.3
195610397.3
19578997.3
19588297.3
19598997.3
196010275.3
19616675.3
196210175.3
19637075.3
19648475.3
19657375.3
19666775.3
19674575.3
19686675.3
19697975.3
19709476.5
19715976.5
19895454
19909478.8
19917478.8
19924378.8
19939178.8
19945278.8
19968278.8
19977078.8
199811578.8
19998878.8
20009379.6
20016579.6
20045679.6
20069679.6
200710279.6
20088079.6
20096579.6
201011996.4
201111396.4
20128496.4
20135196.4
20149296.4
20159496.4
201612296.4
20263232
First to last qualifying date each year at Allatoona Dam 2 For each year, a bar from the first to the last day at Allatoona Dam 2 meeting 30 C (86 F). 1953: 10 April 1953 to 29 September 19531954: 8 April 1954 to 15 October 19541955: 17 April 1955 to 2 October 19551956: 15 April 1956 to 30 September 19561957: 26 April 1957 to 23 September 19571958: 24 April 1958 to 27 September 19581959: 9 April 1959 to 6 October 19591960: 24 April 1960 to 21 September 19601961: 24 April 1961 to 28 September 19611962: 1 May 1962 to 18 September 19621963: 4 April 1963 to 22 September 19631964: 19 April 1964 to 24 September 19641965: 10 April 1965 to 18 October 19651966: 14 April 1966 to 8 September 19661967: 14 March 1967 to 21 September 19671968: 20 April 1968 to 4 September 19681969: 5 April 1969 to 19 September 19691970: 23 April 1970 to 27 September 19701971: 19 April 1971 to 4 October 19711989: 24 April 1989 to 15 September 19891990: 26 April 1990 to 22 September 19901991: 27 March 1991 to 19 September 19911992: 20 May 1992 to 11 September 19921993: 7 May 1993 to 27 September 19931994: 12 April 1994 to 15 September 19941996: 5 May 1996 to 10 September 19961997: 14 June 1997 to 7 October 19971998: 14 May 1998 to 2 October 19981999: 4 April 1999 to 16 September 19992000: 8 May 2000 to 21 September 20002001: 9 April 2001 to 24 September 20012004: 24 April 2004 to 24 September 20042006: 15 April 2006 to 6 October 20062007: 26 March 2007 to 9 October 20072008: 1 June 2008 to 1 October 20082009: 25 April 2009 to 13 October 20092010: 3 April 2010 to 12 October 20102011: 5 April 2011 to 27 September 20112012: 3 April 2012 to 28 September 20122013: 11 April 2013 to 5 October 20132014: 6 May 2014 to 11 October 20142015: 4 April 2015 to 21 September 20152016: 16 March 2016 to 31 October 20162026: 13 April 2026 to 5 October 202619531959196519711994200120102016JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Allatoona Dam 2 meeting 30 C (86 F).
First to last qualifying date each year at Allatoona Dam 2
YearFirst dateLast date
19531953-04-101953-09-29
19541954-04-081954-10-15
19551955-04-171955-10-02
19561956-04-151956-09-30
19571957-04-261957-09-23
19581958-04-241958-09-27
19591959-04-091959-10-06
19601960-04-241960-09-21
19611961-04-241961-09-28
19621962-05-011962-09-18
19631963-04-041963-09-22
19641964-04-191964-09-24
19651965-04-101965-10-18
19661966-04-141966-09-08
19671967-03-141967-09-21
19681968-04-201968-09-04
19691969-04-051969-09-19
19701970-04-231970-09-27
19711971-04-191971-10-04
19891989-04-241989-09-15
19901990-04-261990-09-22
19911991-03-271991-09-19
19921992-05-201992-09-11
19931993-05-071993-09-27
19941994-04-121994-09-15
19961996-05-051996-09-10
19971997-06-141997-10-07
19981998-05-141998-10-02
19991999-04-041999-09-16
20002000-05-082000-09-21
20012001-04-092001-09-24
20042004-04-242004-09-24
20062006-04-152006-10-06
20072007-03-262007-10-09
20082008-06-012008-10-01
20092009-04-252009-10-13
20102010-04-032010-10-12
20112011-04-052011-09-27
20122012-04-032012-09-28
20132013-04-112013-10-05
20142014-05-062014-10-11
20152015-04-042015-09-21
20162016-03-162016-10-31
20262026-04-132026-10-05

Every Fixed Threshold

Fixed thresholds at Allatoona Dam 2
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days44123195432
35 C (95 F): Days3541195415
40 C (104 F): Days1220122
90 F (32.2 C): Days4489195410
100 F (37.8 C): Days121019544
0 C (32 F): Ice days (max311120103
0 C (32 F): Frost days (min3698196825
-10 C (14 F): Days with min281519637
-20 C (-4 F): Days with min2219631
20 C (68 F): Tropical nights (min3684199821
10 mm (0.39 in): Days with 10 mm or more rain5156198923
25 mm (0.98 in): Days with 25 mm or more rain512319899
50 mm (1.97 in): Days with 50 mm or more rain47919903
100 mm (3.94 in): Days with 100 mm or more rain10119551

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1953.

Download the Data

  • Data for Allatoona Dam 2 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 (2026-10-17).