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

* WHAT...Heat index values up to 102 expected. * WHERE...Portions of east central Ohio, northwest, southwest, and western Pennsylvania, and northern and the northern panhandle of West Virginia. * WHEN...From noon today to 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Clarion River At Cooksburg, 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 2419.09
01-02 2551.82
01-03 2443.64
01-04 2692.73
01-05 2525.45
01-06 2141.82
01-07 1873.64
01-08 1775.45
01-09 1614.73
01-10 1901.91
01-11 2243.91
01-12 2053.64
01-13 2273.67
01-14 2484.58
01-15 2700.36
01-16 2192.18
01-17 2031.5
01-18 1955.1
01-19 1889.22
01-20 2307.71
01-21 1918.43
01-22 1599.86
01-23 1612.5
01-24 1670.4
01-25 2815.67
01-26 3925.0
01-27 4635.0
01-28 4446.67
01-29 4448.33
01-30 3303.33
01-31 2690.0
02-01 2563.33
02-02 2440.0
02-03 2157.14
02-04 2445.71
02-05 2156.43
02-06 2592.86
02-07 2122.57
02-08 2945.0
02-09 2674.86
02-10 2074.0
02-11 2265.71
02-12 1930.0
02-13 2022.0
02-14 1829.0
02-15 1642.29
02-16 2436.83
02-17 3012.0
02-18 2387.29
02-19 3141.0
02-20 2531.75
02-21 2576.89
02-22 2305.44
02-23 2734.33
02-24 3051.11
02-25 2586.25
02-26 2696.44
02-27 2706.4
02-28 3190.8
02-29 4000.0
03-01 3069.0
03-02 3467.0
03-03 3229.09
03-04 2852.0
03-05 2639.83
03-06 2983.5
03-07 2739.92
03-08 3150.33
03-09 2500.75
03-10 2523.25
03-11 2585.83
03-12 2649.17
03-13 4228.46
03-14 2543.85
03-15 2258.46
03-16 2826.43
03-17 2540.71
03-18 2385.07
03-19 2103.07
03-20 2220.86
03-21 2572.07
03-22 1768.43
03-23 1820.2
03-24 1880.87
03-25 1736.87
03-26 1708.13
03-27 1646.07
03-28 1731.13
03-29 1752.8
03-30 2012.53
03-31 2176.29
04-01 2523.33
04-02 2750.53
04-03 2667.87
04-04 3322.53
04-05 3391.87
04-06 3291.33
04-07 2763.87
04-08 2867.73
04-09 2847.71
04-10 2292.0
04-11 2442.2
04-12 3179.0
04-13 3078.14
04-14 2508.79
04-15 2336.38
04-16 2408.62
04-17 2925.54
04-18 2460.83
04-19 2114.5
04-20 2021.5
04-21 1912.15
04-22 2284.57
04-23 1971.57
04-24 1788.71
04-25 1616.38
04-26 1589.79
04-27 2104.36
04-28 1734.29
04-29 1574.5
04-30 1699.43
05-01 2108.67
05-02 2139.36
05-03 2065.93
05-04 2320.87
05-05 2379.87
05-06 2492.67
05-07 2823.2
05-08 2242.29
05-09 2371.2
05-10 2352.8
05-11 2479.8
05-12 2022.33
05-13 2343.67
05-14 2275.2
05-15 2082.86
05-16 2668.43
05-17 2588.86
05-18 2067.93
05-19 1779.33
05-20 1625.5
05-21 1438.47
05-22 3740.29
05-23 2259.93
05-24 1828.67
05-25 1528.13
05-26 1583.13
05-27 1441.6
05-28 1234.47
05-29 1306.33
05-30 1595.27
05-31 1457.0
06-01 1410.0
06-02 1418.93
06-03 1444.4
06-04 1141.67
06-05 1079.21
06-06 1094.53
06-07 1059.43
06-08 981.0
06-09 934.53
06-10 1227.87
06-11 1082.0
06-12 1057.21
06-13 1125.79
06-14 1419.07
06-15 1849.33
06-16 1325.67
06-17 1587.93
06-18 1603.33
06-19 2214.5
06-20 2136.43
06-21 1819.86
06-22 1980.57
06-23 1415.29
06-24 1340.36
06-25 1242.79
06-26 1560.57
06-27 1349.71
06-28 2387.57
06-29 1740.21
06-30 1359.36
07-01 1304.43
07-02 1414.43
07-03 1434.07
07-04 1190.77
07-05 1000.57
07-06 985.4
07-07 1014.86
07-08 1124.71
07-09 1059.79
07-10 849.47
07-11 799.73
07-12 766.33
07-13 709.0
07-14 789.07
07-15 692.47
07-16 690.43
07-17 596.29
07-18 867.36
07-19 996.79
07-20 938.93
07-21 987.14
07-22 822.07
07-23 819.21
07-24 779.07
07-25 732.14
07-26 681.5
07-27 594.07
07-28 730.0
07-29 753.79
07-30 599.86
07-31 536.43
08-01 507.67
08-02 455.43
08-03 461.14
08-04 527.43
08-05 500.36
08-06 457.71
08-07 469.07
08-08 436.0
08-09 444.0
08-10 389.54
08-11 406.71
08-12 486.5
08-13 586.07
08-14 615.86
08-15 596.86
08-16 511.31
08-17 454.31
08-18 503.42
08-19 471.08
08-20 667.62
08-21 503.08
08-22 816.42
08-23 950.57
08-24 789.0
08-25 614.0
08-26 659.71
08-27 548.93
08-28 528.5
08-29 505.86
08-30 594.57
08-31 611.79
09-01 512.64
09-02 681.71
09-03 569.07
09-04 502.71
09-05 464.14
09-06 472.93
09-07 501.21
09-08 448.36
09-09 448.57
09-10 729.0
09-11 1256.5
09-12 833.93
09-13 698.93
09-14 662.43
09-15 630.86
09-16 523.0
09-17 488.5
09-18 807.36
09-19 818.86
09-20 660.93
09-21 557.71
09-22 513.08
09-23 671.62
09-24 828.07
09-25 620.0
09-26 666.0
09-27 726.07
09-28 615.14
09-29 682.21
09-30 591.23
10-01 720.15
10-02 485.92
10-03 520.08
10-04 521.46
10-05 742.0
10-06 622.57
10-07 559.21
10-08 614.71
10-09 590.0
10-10 552.85
10-11 500.43
10-12 457.71
10-13 433.5
10-14 470.29
10-15 443.23
10-16 557.93
10-17 609.07
10-18 618.14
10-19 616.86
10-20 541.43
10-21 549.62
10-22 1387.57
10-23 844.14
10-24 692.29
10-25 620.64
10-26 772.79
10-27 623.93
10-28 1309.86
10-29 1313.5
10-30 1812.21
10-31 1874.36
11-01 2722.86
11-02 1949.29
11-03 1716.07
11-04 1365.5
11-05 972.77
11-06 1040.92
11-07 1933.54
11-08 1282.15
11-09 1074.31
11-10 1056.54
11-11 1065.15
11-12 1195.77
11-13 1398.38
11-14 1146.57
11-15 1040.0
11-16 1164.71
11-17 1068.21
11-18 983.77
11-19 1324.92
11-20 1472.0
11-21 1227.43
11-22 1132.54
11-23 1193.93
11-24 1393.62
11-25 1276.38
11-26 1204.79
11-27 1528.21
11-28 1589.64
11-29 1542.07
11-30 1347.07
12-01 1388.07
12-02 1383.64
12-03 1462.64
12-04 1575.93
12-05 1486.36
12-06 1432.85
12-07 1629.31
12-08 1539.23
12-09 1395.31
12-10 1386.77
12-11 1946.0
12-12 1867.08
12-13 1585.91
12-14 1387.0
12-15 1433.18
12-16 1368.09
12-17 1600.73
12-18 1709.36
12-19 1936.36
12-20 1717.0
12-21 1579.1
12-22 2927.77
12-23 3060.0
12-24 2805.46
12-25 2558.08
12-26 2556.08
12-27 2580.25
12-28 2452.73
12-29 2347.0
12-30 2871.82
12-31 2448.0

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index