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

* WHAT...Heat index values up to 103 expected. * WHERE...Berks, Lehigh, Northampton, Eastern Chester, Upper Bucks, Western Chester, and Western Montgomery Counties. * WHEN...From 10 AM to 8 PM EDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Schuylkill River At Reading, 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 2325.33
01-02 2236.73
01-03 2078.09
01-04 2094.0
01-05 2025.82
01-06 1897.0
01-07 1949.67
01-08 1637.09
01-09 1632.8
01-10 2383.55
01-11 2860.82
01-12 2796.0
01-13 2729.36
01-14 2811.0
01-15 2258.83
01-16 2061.17
01-17 2114.36
01-18 1916.82
01-19 1635.69
01-20 2093.92
01-21 1784.1
01-22 1538.09
01-23 1514.4
01-24 2300.2
01-25 2902.6
01-26 3323.5
01-27 2986.22
01-28 2698.8
01-29 2730.5
01-30 2363.1
01-31 2195.82
02-01 2302.42
02-02 1858.62
02-03 1843.55
02-04 2755.8
02-05 2888.17
02-06 2206.6
02-07 1894.83
02-08 1980.83
02-09 1868.08
02-10 1679.67
02-11 1617.58
02-12 1945.92
02-13 2062.64
02-14 2063.64
02-15 1819.0
02-16 1676.55
02-17 2173.3
02-18 2215.45
02-19 1871.42
02-20 1854.38
02-21 1866.69
02-22 1918.46
02-23 1878.57
02-24 1913.29
02-25 2203.54
02-26 2257.92
02-27 2395.64
02-28 2246.69
02-29 2741.5
03-01 2339.31
03-02 2455.08
03-03 2499.23
03-04 2320.23
03-05 2396.23
03-06 2441.62
03-07 2461.92
03-08 2136.43
03-09 1922.93
03-10 2035.0
03-11 2307.14
03-12 2593.86
03-13 3224.64
03-14 2716.79
03-15 2586.79
03-16 2364.86
03-17 2317.36
03-18 2264.86
03-19 2041.73
03-20 2030.93
03-21 1878.73
03-22 2241.0
03-23 2284.8
03-24 2356.93
03-25 2196.67
03-26 2016.6
03-27 1908.27
03-28 1802.87
03-29 1951.53
03-30 1898.53
03-31 2015.07
04-01 2170.87
04-02 2144.27
04-03 2144.2
04-04 2699.73
04-05 2387.53
04-06 2119.47
04-07 2070.33
04-08 2226.93
04-09 2040.33
04-10 1724.6
04-11 1719.53
04-12 1700.21
04-13 1770.43
04-14 2508.64
04-15 2141.69
04-16 2535.0
04-17 2434.46
04-18 2030.46
04-19 1913.38
04-20 1900.92
04-21 1872.29
04-22 1843.36
04-23 1726.14
04-24 1604.07
04-25 1495.21
04-26 1793.46
04-27 1768.31
04-28 1647.46
04-29 1527.77
04-30 1606.67
05-01 2875.85
05-02 2806.62
05-03 2254.38
05-04 2030.0
05-05 1967.57
05-06 2042.36
05-07 2075.29
05-08 2535.57
05-09 2225.07
05-10 2534.93
05-11 2159.64
05-12 1869.64
05-13 2038.57
05-14 2248.57
05-15 2020.31
05-16 2218.69
05-17 2911.77
05-18 2612.14
05-19 2242.36
05-20 2393.92
05-21 2529.29
05-22 2180.0
05-23 2178.36
05-24 1940.27
05-25 1833.33
05-26 1613.27
05-27 1457.07
05-28 1560.07
05-29 1551.53
05-30 1912.07
05-31 1776.27
06-01 1918.0
06-02 1792.87
06-03 1958.2
06-04 1623.67
06-05 1533.87
06-06 1576.36
06-07 1315.4
06-08 1259.27
06-09 1228.2
06-10 1338.4
06-11 1558.6
06-12 2002.0
06-13 1720.92
06-14 1876.5
06-15 1599.6
06-16 1371.27
06-17 1292.47
06-18 1195.47
06-19 1304.79
06-20 1821.71
06-21 1624.57
06-22 1527.43
06-23 1225.0
06-24 1283.79
06-25 1339.0
06-26 1263.79
06-27 1177.43
06-28 1225.29
06-29 1438.36
06-30 1141.79
07-01 1373.21
07-02 2018.21
07-03 1716.54
07-04 1320.64
07-05 1175.6
07-06 1142.27
07-07 1021.46
07-08 1290.14
07-09 1513.07
07-10 1881.53
07-11 1478.53
07-12 1253.73
07-13 1262.53
07-14 1163.67
07-15 1438.29
07-16 1271.14
07-17 1087.29
07-18 969.57
07-19 989.5
07-20 887.14
07-21 917.64
07-22 933.64
07-23 1192.86
07-24 1441.5
07-25 1797.86
07-26 1574.86
07-27 1550.46
07-28 1297.93
07-29 1215.14
07-30 1033.0
07-31 944.36
08-01 888.31
08-02 998.07
08-03 1549.07
08-04 1666.43
08-05 2762.5
08-06 1636.0
08-07 1332.57
08-08 1859.46
08-09 1392.15
08-10 1182.31
08-11 1071.79
08-12 1210.36
08-13 1077.92
08-14 2479.14
08-15 1977.79
08-16 1672.46
08-17 1315.0
08-18 1339.75
08-19 1636.69
08-20 1384.77
08-21 1086.08
08-22 1228.17
08-23 1437.86
08-24 1422.92
08-25 1152.46
08-26 1012.79
08-27 1031.79
08-28 883.5
08-29 1763.85
08-30 1047.62
08-31 974.31
09-01 874.92
09-02 2464.85
09-03 1504.46
09-04 1406.46
09-05 1257.31
09-06 1460.0
09-07 1766.62
09-08 2880.17
09-09 4335.5
09-10 2389.54
09-11 2036.92
09-12 1802.0
09-13 1664.23
09-14 1495.08
09-15 1295.54
09-16 1116.54
09-17 985.0
09-18 799.69
09-19 1375.46
09-20 1107.46
09-21 900.08
09-22 915.42
09-23 847.08
09-24 1487.31
09-25 1391.75
09-26 1119.69
09-27 969.69
09-28 873.0
09-29 980.92
09-30 1152.0
10-01 1210.77
10-02 972.38
10-03 1069.38
10-04 1102.31
10-05 1184.85
10-06 1035.77
10-07 874.77
10-08 918.69
10-09 911.25
10-10 869.77
10-11 852.69
10-12 1091.42
10-13 893.33
10-14 857.25
10-15 1062.5
10-16 1172.0
10-17 1351.08
10-18 1135.38
10-19 986.69
10-20 1348.08
10-21 1252.15
10-22 1107.77
10-23 1014.46
10-24 981.77
10-25 945.42
10-26 922.67
10-27 951.75
10-28 1155.62
10-29 1059.15
10-30 1962.77
10-31 2243.46
11-01 2153.38
11-02 2068.85
11-03 1597.77
11-04 1348.54
11-05 1203.54
11-06 961.0
11-07 925.0
11-08 865.67
11-09 814.25
11-10 785.42
11-11 787.83
11-12 860.08
11-13 1177.17
11-14 1091.62
11-15 990.46
11-16 956.31
11-17 896.17
11-18 970.08
11-19 919.08
11-20 882.67
11-21 871.38
11-22 926.0
11-23 1210.5
11-24 1887.0
11-25 1482.33
11-26 1230.38
11-27 1203.38
11-28 1351.62
11-29 1249.54
11-30 1225.54
12-01 1505.85
12-02 1474.15
12-03 1412.31
12-04 1350.31
12-05 1261.85
12-06 1212.0
12-07 1281.77
12-08 1698.54
12-09 1782.31
12-10 1651.0
12-11 1697.14
12-12 1793.21
12-13 1541.0
12-14 1448.08
12-15 1409.23
12-16 1393.23
12-17 1700.0
12-18 1836.17
12-19 2868.25
12-20 2190.0
12-21 1898.83
12-22 2746.15
12-23 2320.85
12-24 2688.85
12-25 2678.38
12-26 3018.31
12-27 2552.25
12-28 2326.58
12-29 2805.73
12-30 2608.5
12-31 2479.33

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index