Overview Realtime Historical Map View
Heat Advisory
2026-07-15T20:00:00-04:00

* WHAT...Heat index values up to 100 expected. * WHERE...Portions of east central Ohio, northwest, southwest, and western Pennsylvania, and northern and the northern panhandle of West Virginia. * WHEN...From noon to 8 PM EDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Allegheny River At Kittanning, Pa Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
01-01 29941.67
01-02 30900.0
01-03 30300.0
01-04 29291.67
01-05 27941.67
01-06 26225.0
01-07 24358.33
01-08 23633.33
01-09 21041.67
01-10 20749.17
01-11 23591.67
01-12 24718.18
01-13 27083.33
01-14 28816.67
01-15 28600.0
01-16 25966.67
01-17 24232.5
01-18 22715.83
01-19 22830.0
01-20 20221.82
01-21 21456.67
01-22 15902.0
01-23 15347.0
01-24 19282.31
01-25 21454.62
01-26 24640.0
01-27 24863.33
01-28 25554.17
01-29 26190.83
01-30 23259.17
01-31 22469.17
02-01 23586.67
02-02 22335.45
02-03 18651.0
02-04 18227.27
02-05 17866.36
02-06 18195.45
02-07 19193.64
02-08 22678.18
02-09 21981.82
02-10 17956.36
02-11 19437.0
02-12 17729.09
02-13 18541.82
02-14 17954.55
02-15 16998.33
02-16 18780.91
02-17 19498.18
02-18 23292.0
02-19 27097.27
02-20 24171.67
02-21 26429.17
02-22 24227.5
02-23 24136.67
02-24 26913.33
02-25 24499.17
02-26 27900.0
02-27 27695.83
02-28 30716.67
02-29 29800.0
03-01 31833.33
03-02 32946.15
03-03 32223.08
03-04 30066.92
03-05 28560.0
03-06 26650.0
03-07 27516.15
03-08 27845.38
03-09 25903.08
03-10 23740.0
03-11 24467.69
03-12 25153.85
03-13 27338.46
03-14 27030.77
03-15 25308.33
03-16 26653.85
03-17 24261.54
03-18 22369.23
03-19 22028.57
03-20 23146.15
03-21 23921.43
03-22 21100.0
03-23 20646.67
03-24 19786.67
03-25 19366.67
03-26 18697.33
03-27 18442.67
03-28 20832.67
03-29 21870.67
03-30 20293.33
03-31 22242.86
04-01 23980.0
04-02 27713.33
04-03 27544.67
04-04 28882.67
04-05 30390.67
04-06 30556.67
04-07 28752.67
04-08 28902.0
04-09 30218.57
04-10 28756.67
04-11 27956.0
04-12 30927.86
04-13 32190.0
04-14 29396.43
04-15 26692.31
04-16 26384.62
04-17 26529.23
04-18 25831.54
04-19 24195.38
04-20 23893.85
04-21 22416.43
04-22 24493.57
04-23 22143.57
04-24 20557.14
04-25 18713.85
04-26 18370.71
04-27 21380.0
04-28 20177.86
04-29 18735.71
04-30 18523.57
05-01 22564.67
05-02 22035.71
05-03 22278.57
05-04 23213.33
05-05 26078.0
05-06 25556.67
05-07 26695.33
05-08 23651.43
05-09 24070.0
05-10 23460.0
05-11 23934.0
05-12 21374.67
05-13 20486.0
05-14 22003.33
05-15 22130.0
05-16 21961.43
05-17 24212.14
05-18 21238.67
05-19 19271.33
05-20 18367.86
05-21 17320.67
05-22 17300.71
05-23 20028.0
05-24 18952.67
05-25 17476.0
05-26 16818.0
05-27 16198.0
05-28 14754.0
05-29 15000.0
05-30 16523.33
05-31 15876.67
06-01 14884.0
06-02 14704.0
06-03 14647.33
06-04 13287.33
06-05 12479.29
06-06 11069.33
06-07 11207.14
06-08 10864.67
06-09 10936.0
06-10 10759.33
06-11 11294.67
06-12 10896.43
06-13 10523.57
06-14 10893.57
06-15 12704.0
06-16 13346.0
06-17 14281.33
06-18 14059.33
06-19 17966.43
06-20 18530.0
06-21 16310.71
06-22 16857.14
06-23 13253.57
06-24 12721.43
06-25 13145.0
06-26 15244.29
06-27 14341.43
06-28 14506.43
06-29 16835.0
06-30 14910.0
07-01 13858.57
07-02 15127.14
07-03 14222.14
07-04 13162.14
07-05 11059.33
07-06 10324.67
07-07 9540.0
07-08 9855.71
07-09 9746.43
07-10 8634.0
07-11 8751.33
07-12 8839.33
07-13 7902.86
07-14 8790.0
07-15 8544.29
07-16 8002.14
07-17 8059.29
07-18 9437.86
07-19 10320.71
07-20 9203.57
07-21 11039.29
07-22 9694.29
07-23 9301.43
07-24 8604.29
07-25 7334.29
07-26 7433.57
07-27 7073.57
07-28 7812.14
07-29 7722.14
07-30 6821.43
07-31 6320.71
08-01 5840.0
08-02 5263.57
08-03 4841.43
08-04 5045.71
08-05 4903.57
08-06 5092.86
08-07 4845.71
08-08 5032.31
08-09 5080.0
08-10 4556.92
08-11 4387.86
08-12 5230.0
08-13 5407.14
08-14 6002.14
08-15 6811.43
08-16 6261.54
08-17 5843.08
08-18 5335.83
08-19 5268.46
08-20 6116.92
08-21 5600.77
08-22 5704.17
08-23 6955.0
08-24 6526.15
08-25 6387.69
08-26 6838.57
08-27 6180.0
08-28 5755.71
08-29 5732.14
08-30 5634.29
08-31 5453.57
09-01 5095.0
09-02 5175.0
09-03 5320.0
09-04 4914.29
09-05 4778.57
09-06 4579.29
09-07 4596.43
09-08 4745.0
09-09 4585.0
09-10 6214.29
09-11 8579.29
09-12 7427.86
09-13 7290.71
09-14 7010.0
09-15 6859.29
09-16 6333.57
09-17 6182.14
09-18 5575.71
09-19 6826.43
09-20 6562.86
09-21 5410.0
09-22 5218.46
09-23 5300.71
09-24 5455.71
09-25 5732.86
09-26 5564.29
09-27 5902.14
09-28 7016.43
09-29 7256.43
09-30 8177.69
10-01 6677.69
10-02 6116.15
10-03 6092.31
10-04 5676.92
10-05 7195.0
10-06 7208.57
10-07 6673.57
10-08 6726.43
10-09 7269.23
10-10 6933.57
10-11 6562.86
10-12 6482.86
10-13 6044.29
10-14 6286.43
10-15 6386.15
10-16 7092.86
10-17 7608.57
10-18 8367.86
10-19 8596.43
10-20 8742.14
10-21 8286.15
10-22 10249.23
10-23 11041.54
10-24 10394.62
10-25 10080.0
10-26 10665.71
10-27 10290.71
10-28 11491.43
10-29 15056.43
10-30 17582.86
10-31 20583.57
11-01 20848.57
11-02 21625.0
11-03 21600.71
11-04 20242.86
11-05 17827.69
11-06 17843.85
11-07 19355.38
11-08 17426.15
11-09 15991.54
11-10 15716.15
11-11 14975.38
11-12 15188.46
11-13 17107.69
11-14 15793.57
11-15 15326.43
11-16 15645.0
11-17 15507.14
11-18 14964.62
11-19 15890.77
11-20 18980.0
11-21 16635.71
11-22 16111.54
11-23 16237.86
11-24 14797.69
11-25 14872.31
11-26 15927.14
11-27 15549.29
11-28 16967.86
11-29 17099.29
11-30 17096.43
12-01 17656.43
12-02 18140.0
12-03 18087.86
12-04 18260.71
12-05 18899.29
12-06 18807.69
12-07 20452.86
12-08 21126.43
12-09 20407.86
12-10 19415.71
12-11 21921.43
12-12 20504.29
12-13 19281.43
12-14 18151.54
12-15 17162.31
12-16 15967.69
12-17 16665.0
12-18 17610.83
12-19 18066.92
12-20 19317.5
12-21 19279.17
12-22 24046.15
12-23 29096.15
12-24 27669.23
12-25 28146.15
12-26 28522.31
12-27 26858.33
12-28 25245.45
12-29 26600.0
12-30 30741.67
12-31 31166.67

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index