Heat Advisory
2026-07-16T20:00:00-04:00

* WHAT...Heat index values around 100 expected. * WHERE...In Delaware, New Castle County. In New Jersey, Mercer, Camden, Gloucester, and Northwestern Burlington Counties. In Pennsylvania, Delaware, Eastern Chester, Eastern Montgomery, Lower Bucks, and Philadelphia Counties. * WHEN...From noon today to 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Schuylkill River At Philadelphia, 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 4081.25
01-02 4305.83
01-03 3866.33
01-04 3510.67
01-05 3569.92
01-06 3354.08
01-07 4080.17
01-08 3251.83
01-09 2797.42
01-10 6046.92
01-11 5420.0
01-12 4947.5
01-13 5145.83
01-14 4533.33
01-15 3812.08
01-16 3372.33
01-17 3632.77
01-18 3256.08
01-19 3466.15
01-20 2956.92
01-21 3669.85
01-22 2811.23
01-23 2537.64
01-24 2959.5
01-25 5369.33
01-26 5895.36
01-27 4994.64
01-28 4277.33
01-29 4370.75
01-30 3319.69
01-31 2988.85
02-01 4066.0
02-02 2970.57
02-03 2994.71
02-04 4312.29
02-05 5263.0
02-06 4071.23
02-07 3411.43
02-08 3606.43
02-09 3296.77
02-10 2769.93
02-11 2649.14
02-12 3689.14
02-13 3072.79
02-14 3231.71
02-15 3078.92
02-16 2994.08
02-17 5000.33
02-18 3873.0
02-19 3530.0
02-20 3050.83
02-21 3535.83
02-22 3827.5
02-23 3513.85
02-24 3563.08
02-25 4501.67
02-26 5321.67
02-27 4367.69
02-28 4480.0
02-29 4290.0
03-01 5090.77
03-02 4696.15
03-03 5811.54
03-04 4332.86
03-05 4359.29
03-06 4300.71
03-07 4527.69
03-08 4017.69
03-09 3503.57
03-10 4077.14
03-11 4851.43
03-12 4995.0
03-13 5416.43
03-14 4980.71
03-15 5176.43
03-16 4165.0
03-17 3850.0
03-18 3947.14
03-19 3606.0
03-20 3942.86
03-21 3470.67
03-22 4125.71
03-23 4166.67
03-24 5280.67
03-25 5040.67
03-26 3833.33
03-27 3374.67
03-28 3703.67
03-29 3876.67
03-30 3659.0
03-31 4428.93
04-01 4807.33
04-02 4546.67
04-03 4470.0
04-04 5501.33
04-05 4604.0
04-06 3675.33
04-07 4828.0
04-08 5607.73
04-09 4445.73
04-10 3692.93
04-11 3164.13
04-12 2894.43
04-13 3481.5
04-14 4835.0
04-15 3625.69
04-16 5544.0
04-17 4865.15
04-18 3405.77
04-19 3367.69
04-20 3169.31
04-21 3925.64
04-22 3089.93
04-23 3091.79
04-24 2994.64
04-25 2695.0
04-26 2544.57
04-27 3196.43
04-28 2657.14
04-29 2532.14
04-30 2626.86
05-01 8208.67
05-02 5765.93
05-03 4145.64
05-04 3526.0
05-05 3326.0
05-06 3947.33
05-07 4098.0
05-08 4556.67
05-09 3781.33
05-10 3883.33
05-11 3466.0
05-12 3232.67
05-13 3660.67
05-14 4359.4
05-15 3491.86
05-16 3442.07
05-17 4727.79
05-18 4382.67
05-19 3511.4
05-20 3899.86
05-21 4518.33
05-22 3371.07
05-23 3314.27
05-24 3320.6
05-25 3098.47
05-26 2817.67
05-27 2510.4
05-28 3032.33
05-29 2743.67
05-30 3317.33
05-31 3173.6
06-01 3254.67
06-02 2927.07
06-03 3301.13
06-04 2981.8
06-05 2469.43
06-06 2497.5
06-07 2410.13
06-08 3449.87
06-09 2323.07
06-10 2694.27
06-11 4899.67
06-12 3187.07
06-13 2972.64
06-14 3541.93
06-15 2951.4
06-16 2452.4
06-17 2197.73
06-18 2076.8
06-19 2088.14
06-20 2397.14
06-21 3217.64
06-22 2456.57
06-23 2084.57
06-24 2045.36
06-25 2419.36
06-26 2115.07
06-27 2522.64
06-28 2430.29
06-29 2455.93
06-30 2015.29
07-01 1746.71
07-02 3942.43
07-03 3031.29
07-04 2447.86
07-05 1974.87
07-06 2021.67
07-07 2218.07
07-08 1755.93
07-09 2080.57
07-10 2592.87
07-11 3274.33
07-12 4472.93
07-13 2077.0
07-14 2196.6
07-15 1924.0
07-16 2874.71
07-17 2142.5
07-18 2286.79
07-19 1980.21
07-20 1562.71
07-21 1376.36
07-22 1427.57
07-23 1799.86
07-24 2686.36
07-25 2945.21
07-26 3882.21
07-27 2374.71
07-28 1955.64
07-29 2158.93
07-30 1843.43
07-31 1535.36
08-01 1726.62
08-02 1777.71
08-03 1870.86
08-04 2062.36
08-05 5714.36
08-06 2711.5
08-07 2334.14
08-08 2439.69
08-09 2325.31
08-10 1865.38
08-11 1721.79
08-12 1843.86
08-13 1748.5
08-14 5136.21
08-15 4197.0
08-16 2873.85
08-17 2127.08
08-18 1805.67
08-19 1811.23
08-20 2884.08
08-21 1817.31
08-22 2117.33
08-23 2370.0
08-24 2655.46
08-25 1889.77
08-26 1468.93
08-27 1273.79
08-28 2033.5
08-29 5455.71
08-30 2228.14
08-31 1548.0
09-01 1498.07
09-02 8008.86
09-03 4364.71
09-04 2478.07
09-05 2150.86
09-06 1999.43
09-07 4165.79
09-08 4944.79
09-09 4814.0
09-10 5458.64
09-11 3807.71
09-12 3325.5
09-13 3131.5
09-14 2687.0
09-15 2251.43
09-16 1985.5
09-17 1658.36
09-18 1621.64
09-19 1786.43
09-20 2187.5
09-21 1664.21
09-22 1546.62
09-23 1447.86
09-24 2343.71
09-25 2812.5
09-26 2907.0
09-27 2016.5
09-28 1755.29
09-29 2622.93
09-30 2767.54
10-01 2106.92
10-02 1742.08
10-03 2060.54
10-04 1961.62
10-05 2251.43
10-06 2014.71
10-07 1635.79
10-08 1488.29
10-09 1531.15
10-10 1486.21
10-11 1495.86
10-12 1888.29
10-13 2019.21
10-14 1722.5
10-15 1777.54
10-16 1894.5
10-17 2242.29
10-18 2003.21
10-19 1687.71
10-20 2078.21
10-21 2118.93
10-22 1796.36
10-23 1687.43
10-24 1602.43
10-25 1505.0
10-26 1480.71
10-27 1580.43
10-28 2264.29
10-29 1956.79
10-30 4213.21
10-31 4653.64
11-01 3629.21
11-02 3851.29
11-03 2838.5
11-04 3195.29
11-05 1886.62
11-06 2059.46
11-07 2474.15
11-08 2151.46
11-09 1927.77
11-10 2262.15
11-11 1935.85
11-12 1878.31
11-13 2054.69
11-14 2556.64
11-15 2076.5
11-16 2023.43
11-17 2658.86
11-18 2514.54
11-19 2063.69
11-20 2025.38
11-21 1848.29
11-22 1897.38
11-23 2375.71
11-24 3823.38
11-25 3787.31
11-26 3002.57
11-27 3265.36
11-28 3312.93
11-29 2640.64
11-30 2468.14
12-01 4940.14
12-02 2862.36
12-03 3005.0
12-04 2876.43
12-05 2518.43
12-06 2640.31
12-07 2579.21
12-08 3982.5
12-09 3373.5
12-10 3312.79
12-11 3441.86
12-12 3207.57
12-13 2710.57
12-14 2430.54
12-15 2459.31
12-16 2896.0
12-17 3244.15
12-18 3618.0
12-19 5229.46
12-20 3740.31
12-21 3157.5
12-22 5048.69
12-23 4298.46
12-24 5356.15
12-25 6249.23
12-26 5615.15
12-27 4610.0
12-28 4637.69
12-29 5696.82
12-30 5191.25
12-31 4480.83

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index