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

* WHAT...Heat index values of 100 to 104. * WHERE...Portions of north central and western Maryland, northwest and western Virginia, and eastern West Virginia. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Shenandoah River At Millville, Wv 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 3912.0
01-02 3476.75
01-03 3281.17
01-04 3513.0
01-05 3168.18
01-06 2896.5
01-07 2789.0
01-08 2689.0
01-09 2412.33
01-10 2584.5
01-11 3404.42
01-12 3424.83
01-13 3244.17
01-14 3487.5
01-15 3491.67
01-16 3265.0
01-17 3146.92
01-18 2933.17
01-19 2896.62
01-20 2678.92
01-21 3089.08
01-22 3167.85
01-23 2671.36
01-24 2283.08
01-25 2368.08
01-26 3539.18
01-27 3516.82
01-28 3182.25
01-29 3684.42
01-30 3812.85
01-31 3304.85
02-01 2773.08
02-02 2840.58
02-03 3164.54
02-04 3829.31
02-05 4875.73
02-06 4767.27
02-07 4670.0
02-08 5451.67
02-09 4877.5
02-10 4128.33
02-11 3681.67
02-12 3345.83
02-13 3308.33
02-14 3646.15
02-15 3753.85
02-16 4005.83
02-17 3986.36
02-18 5957.27
02-19 5485.0
02-20 4693.33
02-21 4514.17
02-22 4671.67
02-23 5273.33
02-24 5245.83
02-25 5899.09
02-26 5852.5
02-27 5028.46
02-28 4443.57
02-29 3715.0
03-01 4147.69
03-02 4699.23
03-03 4772.31
03-04 4404.29
03-05 4279.29
03-06 4410.71
03-07 4383.57
03-08 3814.62
03-09 3644.62
03-10 3510.0
03-11 3686.15
03-12 3693.85
03-13 4345.0
03-14 4837.86
03-15 4150.71
03-16 3680.0
03-17 3371.43
03-18 3180.71
03-19 2984.67
03-20 2955.71
03-21 2996.67
03-22 3595.71
03-23 4064.0
03-24 3487.33
03-25 3177.33
03-26 3042.67
03-27 3234.67
03-28 3138.67
03-29 2972.67
03-30 2876.0
03-31 2970.71
04-01 3009.33
04-02 3120.67
04-03 3000.0
04-04 2940.67
04-05 2920.0
04-06 2846.67
04-07 2891.33
04-08 3000.67
04-09 3025.33
04-10 3012.67
04-11 2822.0
04-12 2943.57
04-13 3232.86
04-14 3037.86
04-15 3119.23
04-16 4172.31
04-17 4642.31
04-18 5166.92
04-19 4086.15
04-20 3563.08
04-21 4077.79
04-22 4377.21
04-23 3721.5
04-24 3226.5
04-25 2950.71
04-26 2820.43
04-27 3327.36
04-28 3684.86
04-29 3341.21
04-30 3189.14
05-01 4965.8
05-02 4792.07
05-03 4316.86
05-04 3777.13
05-05 4038.93
05-06 4815.53
05-07 5411.6
05-08 5265.67
05-09 6730.6
05-10 5726.73
05-11 4378.6
05-12 3861.13
05-13 3514.93
05-14 3558.4
05-15 3893.86
05-16 3948.07
05-17 6557.07
05-18 6714.93
05-19 7837.67
05-20 6790.0
05-21 5117.0
05-22 4120.6
05-23 3614.67
05-24 4169.33
05-25 4064.67
05-26 3706.6
05-27 5002.07
05-28 3834.33
05-29 3528.07
05-30 3622.6
05-31 3524.13
06-01 3174.33
06-02 3535.0
06-03 3421.4
06-04 5755.2
06-05 5626.21
06-06 3587.5
06-07 3322.64
06-08 2698.4
06-09 2391.07
06-10 2570.87
06-11 2541.33
06-12 3112.36
06-13 3433.86
06-14 2990.0
06-15 2600.93
06-16 2473.27
06-17 2327.27
06-18 2266.67
06-19 2369.86
06-20 2773.86
06-21 2393.43
06-22 2434.64
06-23 3118.86
06-24 4483.29
06-25 3156.0
06-26 2566.0
06-27 2305.79
06-28 2203.21
06-29 1902.36
06-30 2079.86
07-01 1957.38
07-02 1748.46
07-03 1738.93
07-04 2050.64
07-05 1682.27
07-06 1638.8
07-07 1534.5
07-08 1561.43
07-09 1515.79
07-10 1471.67
07-11 1393.53
07-12 1374.2
07-13 1310.0
07-14 2228.2
07-15 1928.47
07-16 1734.86
07-17 1553.29
07-18 1643.79
07-19 1551.71
07-20 1608.29
07-21 1569.71
07-22 1584.21
07-23 1470.5
07-24 1555.14
07-25 1334.86
07-26 1332.5
07-27 1428.36
07-28 1363.57
07-29 1330.29
07-30 1296.43
07-31 1248.64
08-01 1333.77
08-02 1314.93
08-03 1378.57
08-04 1587.36
08-05 2265.43
08-06 1809.29
08-07 1543.0
08-08 1426.85
08-09 1530.08
08-10 1499.85
08-11 1433.64
08-12 1372.07
08-13 1379.93
08-14 1222.14
08-15 1347.0
08-16 1310.31
08-17 1220.15
08-18 1774.25
08-19 1609.0
08-20 1411.15
08-21 1362.85
08-22 1571.17
08-23 1265.0
08-24 1265.0
08-25 1345.38
08-26 1244.57
08-27 1118.86
08-28 1066.0
08-29 970.36
08-30 981.29
08-31 1068.79
09-01 1027.29
09-02 1640.29
09-03 2134.07
09-04 1561.71
09-05 1283.43
09-06 1160.43
09-07 1116.21
09-08 1135.21
09-09 1142.79
09-10 1944.14
09-11 2222.57
09-12 1663.14
09-13 1405.64
09-14 1261.36
09-15 1137.36
09-16 1035.71
09-17 1021.29
09-18 1104.07
09-19 3442.5
09-20 2295.57
09-21 1746.43
09-22 1636.31
09-23 1353.79
09-24 1540.36
09-25 2516.64
09-26 1925.79
09-27 1656.43
09-28 1847.43
09-29 3055.36
09-30 3250.69
10-01 1407.54
10-02 1648.62
10-03 1304.23
10-04 1399.85
10-05 2551.29
10-06 2190.0
10-07 1741.93
10-08 1439.71
10-09 1383.43
10-10 1293.79
10-11 1281.36
10-12 1431.14
10-13 1485.36
10-14 1652.5
10-15 1619.23
10-16 1509.57
10-17 1559.29
10-18 1435.64
10-19 1277.07
10-20 1135.36
10-21 935.31
10-22 857.46
10-23 786.85
10-24 815.69
10-25 773.15
10-26 871.36
10-27 883.71
10-28 932.71
10-29 949.64
10-30 1200.21
10-31 3277.86
11-01 2393.07
11-02 2080.07
11-03 1734.79
11-04 1664.57
11-05 1512.36
11-06 1491.15
11-07 1507.92
11-08 1488.15
11-09 1403.0
11-10 1362.15
11-11 1354.0
11-12 1362.92
11-13 1651.69
11-14 2468.64
11-15 2526.21
11-16 2212.57
11-17 2263.07
11-18 2428.54
11-19 2195.92
11-20 2000.77
11-21 1903.21
11-22 1924.46
11-23 1824.29
11-24 1919.31
11-25 1963.62
11-26 2461.07
11-27 2218.43
11-28 1950.5
11-29 1800.79
11-30 1750.5
12-01 1742.86
12-02 2085.0
12-03 2169.14
12-04 2224.15
12-05 2053.93
12-06 2082.92
12-07 1938.77
12-08 2008.77
12-09 2943.69
12-10 3078.85
12-11 2638.93
12-12 2428.21
12-13 2193.79
12-14 1952.0
12-15 1835.0
12-16 2273.62
12-17 4699.85
12-18 3532.77
12-19 3004.62
12-20 2580.0
12-21 2434.92
12-22 2950.46
12-23 4453.23
12-24 3834.31
12-25 4087.92
12-26 5246.85
12-27 4843.25
12-28 3680.85
12-29 3349.73
12-30 4018.0
12-31 4656.17

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index