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.

Conemaugh River At Tunnelton, 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 4450.83
01-02 4268.33
01-03 4130.42
01-04 3804.67
01-05 3595.83
01-06 3970.91
01-07 3645.83
01-08 3457.33
01-09 2976.5
01-10 2985.83
01-11 3015.83
01-12 3675.0
01-13 3903.64
01-14 3975.0
01-15 3939.17
01-16 3660.0
01-17 3656.92
01-18 3429.23
01-19 3367.5
01-20 3013.85
01-21 2964.62
01-22 2871.54
01-23 2635.67
01-24 2303.54
01-25 2341.0
01-26 2679.33
01-27 2700.0
01-28 2871.85
01-29 2974.0
01-30 2773.64
01-31 3006.5
02-01 2934.07
02-02 3184.54
02-03 3404.08
02-04 3622.77
02-05 3865.43
02-06 3925.08
02-07 3967.46
02-08 3698.92
02-09 3638.79
02-10 3753.64
02-11 4175.0
02-12 3393.07
02-13 3411.21
02-14 3614.46
02-15 3932.85
02-16 4019.83
02-17 3290.08
02-18 4149.17
02-19 4865.83
02-20 4690.0
02-21 4847.69
02-22 4963.08
02-23 5153.54
02-24 4030.77
02-25 3868.33
02-26 4085.83
02-27 5552.31
02-28 5591.54
02-29 3392.5
03-01 5350.0
03-02 5540.0
03-03 5480.77
03-04 5440.77
03-05 5112.31
03-06 4749.23
03-07 4445.38
03-08 4568.46
03-09 4254.62
03-10 3916.92
03-11 3590.77
03-12 3628.46
03-13 4330.71
03-14 4137.14
03-15 4390.0
03-16 4315.0
03-17 4370.0
03-18 4491.43
03-19 4108.0
03-20 3710.71
03-21 3746.67
03-22 3757.14
03-23 3678.67
03-24 3621.33
03-25 3351.33
03-26 3256.67
03-27 3492.0
03-28 2978.0
03-29 3196.0
03-30 3587.33
03-31 3640.0
04-01 3658.0
04-02 3904.67
04-03 4036.67
04-04 4230.0
04-05 4488.0
04-06 5356.67
04-07 5427.33
04-08 5252.0
04-09 5124.29
04-10 4926.67
04-11 4640.67
04-12 4111.43
04-13 3895.0
04-14 3730.71
04-15 3286.92
04-16 3114.62
04-17 3032.31
04-18 2945.38
04-19 2607.38
04-20 3366.62
04-21 3357.57
04-22 3335.57
04-23 3045.21
04-24 2742.5
04-25 2456.92
04-26 2586.5
04-27 2746.36
04-28 2819.71
04-29 2484.57
04-30 2546.29
05-01 2191.4
05-02 2469.64
05-03 2723.43
05-04 2845.33
05-05 2776.53
05-06 3280.67
05-07 3346.0
05-08 3562.36
05-09 4231.53
05-10 4693.33
05-11 4582.53
05-12 4643.27
05-13 4426.67
05-14 4093.33
05-15 4050.0
05-16 3826.43
05-17 3441.43
05-18 3552.0
05-19 3744.67
05-20 2800.71
05-21 2928.0
05-22 2866.67
05-23 2446.93
05-24 2589.87
05-25 2541.53
05-26 2339.27
05-27 2270.33
05-28 2340.67
05-29 2530.4
05-30 2843.07
05-31 2981.6
06-01 2934.73
06-02 2972.27
06-03 2558.86
06-04 2338.87
06-05 2253.14
06-06 2041.86
06-07 1926.5
06-08 1609.53
06-09 1847.8
06-10 1817.13
06-11 1707.27
06-12 1731.71
06-13 1744.21
06-14 1858.64
06-15 1791.87
06-16 1852.0
06-17 1634.0
06-18 2028.87
06-19 1804.64
06-20 2243.43
06-21 2745.29
06-22 3330.0
06-23 3415.0
06-24 3225.0
06-25 2714.0
06-26 2878.79
06-27 2626.79
06-28 2216.79
06-29 2171.5
06-30 2197.64
07-01 2047.21
07-02 1984.5
07-03 1906.5
07-04 1856.71
07-05 1622.53
07-06 1732.73
07-07 1787.29
07-08 1932.14
07-09 1760.0
07-10 1760.4
07-11 1581.8
07-12 1767.93
07-13 1613.14
07-14 1424.93
07-15 1318.43
07-16 1503.14
07-17 1327.79
07-18 1205.21
07-19 1287.43
07-20 1251.86
07-21 1057.64
07-22 1006.43
07-23 995.07
07-24 1120.36
07-25 1146.36
07-26 967.36
07-27 898.57
07-28 1040.5
07-29 1319.21
07-30 1256.0
07-31 1217.43
08-01 1347.25
08-02 1212.79
08-03 1121.21
08-04 1087.07
08-05 916.71
08-06 750.14
08-07 674.43
08-08 609.38
08-09 552.0
08-10 721.92
08-11 793.57
08-12 819.5
08-13 736.29
08-14 735.14
08-15 789.29
08-16 717.46
08-17 733.85
08-18 795.08
08-19 732.85
08-20 895.31
08-21 874.0
08-22 821.5
08-23 853.79
08-24 1072.85
08-25 986.15
08-26 836.79
08-27 698.86
08-28 696.43
08-29 677.71
08-30 845.21
08-31 985.64
09-01 869.79
09-02 842.86
09-03 1234.43
09-04 1574.64
09-05 1553.57
09-06 1548.93
09-07 1268.43
09-08 1192.57
09-09 1351.93
09-10 1395.79
09-11 1590.71
09-12 2176.21
09-13 2502.07
09-14 2596.36
09-15 2629.93
09-16 2569.57
09-17 2239.0
09-18 1685.71
09-19 1680.29
09-20 1447.29
09-21 1309.79
09-22 1409.15
09-23 1187.0
09-24 1143.43
09-25 1168.21
09-26 1144.93
09-27 1287.43
09-28 1438.71
09-29 1519.79
09-30 1594.85
10-01 945.62
10-02 942.85
10-03 922.31
10-04 1099.15
10-05 1586.71
10-06 1579.79
10-07 1461.79
10-08 1617.79
10-09 1518.85
10-10 1121.71
10-11 1013.64
10-12 969.36
10-13 923.36
10-14 1063.86
10-15 1067.85
10-16 1041.0
10-17 908.93
10-18 915.43
10-19 948.07
10-20 878.64
10-21 740.23
10-22 912.21
10-23 1139.93
10-24 1187.71
10-25 1158.21
10-26 1190.79
10-27 1020.57
10-28 845.5
10-29 1231.79
10-30 1577.43
10-31 1904.71
11-01 2156.36
11-02 2404.57
11-03 2651.71
11-04 2293.0
11-05 1911.0
11-06 2004.38
11-07 1975.54
11-08 2059.85
11-09 2109.0
11-10 1637.15
11-11 1727.0
11-12 1902.08
11-13 1922.54
11-14 1853.64
11-15 1620.36
11-16 1593.86
11-17 1567.71
11-18 1417.69
11-19 1339.92
11-20 1562.31
11-21 1604.36
11-22 1766.62
11-23 1974.64
11-24 1658.0
11-25 1872.69
11-26 2278.5
11-27 2242.93
11-28 2092.79
11-29 2276.36
11-30 2260.79
12-01 2085.86
12-02 1893.5
12-03 1973.79
12-04 2196.21
12-05 2171.57
12-06 1940.54
12-07 1936.71
12-08 2339.43
12-09 2852.64
12-10 2510.5
12-11 2333.07
12-12 2422.43
12-13 2113.57
12-14 2258.85
12-15 2164.38
12-16 2052.46
12-17 1863.23
12-18 2308.0
12-19 2588.08
12-20 2744.83
12-21 2793.5
12-22 2860.83
12-23 2651.23
12-24 3066.92
12-25 3405.38
12-26 3203.85
12-27 3337.5
12-28 3423.33
12-29 3501.82
12-30 3998.33
12-31 4368.33

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index