Overview Realtime Historical Map View

Susquehanna River At Harrisburg, 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 58136.36
01-02 57209.09
01-03 58490.0
01-04 58580.0
01-05 56009.09
01-06 53472.73
01-07 54266.67
01-08 48344.44
01-09 41340.0
01-10 40490.0
01-11 51540.0
01-12 55060.0
01-13 53490.0
01-14 56800.0
01-15 57850.0
01-16 58840.0
01-17 58850.0
01-18 50044.44
01-19 47740.0
01-20 44290.0
01-21 44488.89
01-22 43188.89
01-23 43600.0
01-24 40544.44
01-25 44433.33
01-26 65150.0
01-27 58788.89
01-28 72511.11
01-29 73822.22
01-30 78250.0
01-31 64511.11
02-01 55100.0
02-02 62977.78
02-03 55611.11
02-04 47140.0
02-05 62620.0
02-06 46833.33
02-07 45080.0
02-08 49590.0
02-09 52640.0
02-10 55660.0
02-11 48780.0
02-12 43270.0
02-13 43350.0
02-14 42140.0
02-15 41260.0
02-16 39522.22
02-17 36681.82
02-18 49360.0
02-19 47290.0
02-20 56700.0
02-21 53080.0
02-22 46880.0
02-23 43290.91
02-24 46827.27
02-25 42609.09
02-26 51400.0
02-27 64441.67
02-28 58383.33
02-29 60050.0
03-01 59125.0
03-02 59400.0
03-03 58638.46
03-04 61146.15
03-05 58400.0
03-06 54969.23
03-07 56892.31
03-08 60061.54
03-09 59630.77
03-10 62515.38
03-11 64446.15
03-12 63930.77
03-13 64678.57
03-14 68914.29
03-15 72114.29
03-16 65671.43
03-17 61785.71
03-18 60900.0
03-19 58313.33
03-20 60114.29
03-21 56720.0
03-22 53907.14
03-23 54780.0
03-24 53466.67
03-25 51673.33
03-26 49833.33
03-27 47980.0
03-28 47946.67
03-29 48686.67
03-30 51546.67
03-31 53800.0
04-01 55826.67
04-02 59940.0
04-03 62040.0
04-04 71740.0
04-05 75653.33
04-06 75480.0
04-07 70480.0
04-08 69933.33
04-09 69466.67
04-10 68153.33
04-11 65086.67
04-12 61750.0
04-13 59985.71
04-14 57314.29
04-15 55753.85
04-16 54584.62
04-17 58569.23
04-18 58615.38
04-19 56730.77
04-20 54615.38
04-21 55130.77
04-22 59376.92
04-23 61123.08
04-24 57292.31
04-25 49021.43
04-26 44964.29
04-27 43171.43
04-28 43178.57
04-29 43107.14
04-30 42192.86
05-01 61926.67
05-02 71907.14
05-03 69921.43
05-04 62220.0
05-05 59793.33
05-06 60720.0
05-07 66433.33
05-08 72793.33
05-09 69926.67
05-10 64833.33
05-11 58926.67
05-12 56740.0
05-13 53653.33
05-14 52653.33
05-15 51485.71
05-16 51250.0
05-17 56428.57
05-18 60660.0
05-19 57500.0
05-20 52078.57
05-21 50840.0
05-22 46753.33
05-23 43993.33
05-24 48306.67
05-25 47666.67
05-26 41506.67
05-27 38240.0
05-28 37826.67
05-29 38413.33
05-30 37066.67
05-31 38256.0
06-01 40116.67
06-02 38966.0
06-03 36522.0
06-04 33932.0
06-05 30555.33
06-06 28816.43
06-07 25964.29
06-08 25145.33
06-09 25358.0
06-10 26030.67
06-11 26717.33
06-12 28947.14
06-13 28355.0
06-14 27700.0
06-15 27760.0
06-16 26466.67
06-17 25573.33
06-18 25526.67
06-19 26342.86
06-20 30142.86
06-21 29342.86
06-22 29038.57
06-23 31285.0
06-24 27335.0
06-25 24405.0
06-26 23797.14
06-27 22678.57
06-28 22550.0
06-29 24657.14
06-30 26127.14
07-01 26480.0
07-02 26293.57
07-03 26132.14
07-04 27496.43
07-05 24482.67
07-06 19318.67
07-07 24037.14
07-08 23047.14
07-09 22575.0
07-10 20900.0
07-11 19761.33
07-12 18652.67
07-13 17500.67
07-14 17667.33
07-15 19955.33
07-16 22451.43
07-17 19442.0
07-18 21030.0
07-19 19633.33
07-20 19013.33
07-21 19788.67
07-22 17590.0
07-23 18132.67
07-24 19789.33
07-25 27967.33
07-26 36036.67
07-27 35336.0
07-28 26497.33
07-29 20898.67
07-30 18688.0
07-31 16668.0
08-01 15648.57
08-02 15533.33
08-03 15927.33
08-04 17038.0
08-05 19946.67
08-06 17731.33
08-07 15602.86
08-08 15043.08
08-09 16172.31
08-10 14860.77
08-11 13732.14
08-12 20557.14
08-13 16480.71
08-14 18042.86
08-15 22713.57
08-16 29780.77
08-17 27846.92
08-18 21034.17
08-19 21430.77
08-20 21683.08
08-21 21820.0
08-22 22242.5
08-23 18372.14
08-24 16953.85
08-25 17679.23
08-26 15755.71
08-27 14324.29
08-28 13515.0
08-29 12302.86
08-30 17052.86
08-31 14742.86
09-01 14982.14
09-02 18831.43
09-03 24423.57
09-04 16865.71
09-05 14844.29
09-06 14925.0
09-07 16456.43
09-08 34385.0
09-09 54686.43
09-10 44344.29
09-11 42500.0
09-12 43729.29
09-13 38905.0
09-14 30402.14
09-15 25555.0
09-16 22432.14
09-17 20348.57
09-18 18412.14
09-19 18657.86
09-20 24304.29
09-21 22143.57
09-22 18746.15
09-23 15667.86
09-24 22395.0
09-25 25625.71
09-26 24871.43
09-27 24632.86
09-28 25849.29
09-29 31765.71
09-30 37330.0
10-01 25976.92
10-02 21171.54
10-03 20264.62
10-04 19756.15
10-05 25166.43
10-06 24040.71
10-07 22413.57
10-08 20682.14
10-09 19923.85
10-10 17958.57
10-11 17147.86
10-12 19267.86
10-13 18349.29
10-14 18077.86
10-15 18984.62
10-16 19377.86
10-17 19326.43
10-18 18839.29
10-19 17532.86
10-20 18298.57
10-21 18657.86
10-22 18585.0
10-23 20775.71
10-24 20477.86
10-25 19263.57
10-26 18344.29
10-27 17068.57
10-28 17534.29
10-29 24979.29
10-30 28809.29
10-31 40240.0
11-01 46152.14
11-02 48152.14
11-03 45399.29
11-04 39638.57
11-05 30328.46
11-06 28873.85
11-07 27836.92
11-08 25914.62
11-09 25042.31
11-10 24496.15
11-11 24727.69
11-12 23579.23
11-13 25001.54
11-14 32732.86
11-15 33125.71
11-16 29352.86
11-17 26827.14
11-18 25920.77
11-19 25524.62
11-20 25132.31
11-21 26706.15
11-22 26866.67
11-23 26190.0
11-24 29958.46
11-25 31856.15
11-26 31865.0
11-27 29772.14
11-28 31566.43
11-29 34024.29
11-30 33088.57
12-01 31757.14
12-02 30892.86
12-03 30457.14
12-04 30192.86
12-05 31392.86
12-06 32484.62
12-07 32478.57
12-08 33092.86
12-09 38121.43
12-10 36128.57
12-11 33315.71
12-12 35253.85
12-13 38525.0
12-14 38627.27
12-15 33335.83
12-16 34563.64
12-17 38736.36
12-18 39936.36
12-19 44218.18
12-20 47641.67
12-21 45350.0
12-22 46223.08
12-23 53975.0
12-24 63766.67
12-25 66025.0
12-26 78416.67
12-27 80318.18
12-28 65650.0
12-29 62780.0
12-30 59381.82
12-31 58890.91

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index