Susquehanna River At Conowingo, Md 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 50071.67
01-02 37850.0
01-03 39985.0
01-04 43615.0
01-05 44089.17
01-06 36747.5
01-07 39050.0
01-08 34905.83
01-09 30037.5
01-10 32829.17
01-11 42048.33
01-12 42841.67
01-13 37962.5
01-14 39652.5
01-15 46611.67
01-16 49315.0
01-17 50658.46
01-18 35207.5
01-19 33328.46
01-20 35230.0
01-21 26360.0
01-22 28824.62
01-23 19191.67
01-24 22653.08
01-25 24275.38
01-26 39422.5
01-27 38730.83
01-28 47592.31
01-29 47998.46
01-30 44310.0
01-31 35664.29
02-01 36035.71
02-02 34602.14
02-03 30072.86
02-04 30061.43
02-05 36550.71
02-06 27137.69
02-07 28428.57
02-08 30375.0
02-09 28378.57
02-10 30862.14
02-11 27250.71
02-12 23447.79
02-13 19960.0
02-14 25006.43
02-15 20896.43
02-16 17807.86
02-17 21248.46
02-18 30210.77
02-19 30039.23
02-20 34561.43
02-21 32329.29
02-22 23525.38
02-23 25063.57
02-24 35827.86
02-25 30152.31
02-26 34650.0
02-27 50097.14
02-28 49289.29
02-29 40725.0
03-01 48051.43
03-02 49707.14
03-03 48155.0
03-04 50281.43
03-05 51275.71
03-06 49092.14
03-07 42140.71
03-08 47152.86
03-09 45042.86
03-10 47910.0
03-11 50407.86
03-12 47767.14
03-13 56889.29
03-14 50978.57
03-15 62289.29
03-16 51184.29
03-17 57816.43
03-18 56206.43
03-19 52544.0
03-20 45201.43
03-21 42555.33
03-22 44440.71
03-23 46846.0
03-24 47628.0
03-25 39352.0
03-26 36318.0
03-27 34857.33
03-28 35595.33
03-29 36890.0
03-30 40927.33
03-31 44260.71
04-01 46686.67
04-02 49406.67
04-03 55566.67
04-04 60540.0
04-05 69353.33
04-06 66320.0
04-07 66880.0
04-08 64086.67
04-09 64926.67
04-10 65853.33
04-11 54333.33
04-12 51942.86
04-13 55023.08
04-14 44471.43
04-15 49738.46
04-16 48315.38
04-17 53453.85
04-18 56423.08
04-19 53530.77
04-20 49700.0
04-21 41478.57
04-22 57228.57
04-23 52300.0
04-24 48307.14
04-25 42421.43
04-26 42007.14
04-27 34257.14
04-28 23271.43
04-29 27192.86
04-30 25428.57
05-01 53903.33
05-02 67222.86
05-03 62090.71
05-04 50480.0
05-05 52448.0
05-06 47706.67
05-07 56198.0
05-08 64881.33
05-09 61886.67
05-10 53851.43
05-11 45455.33
05-12 41871.33
05-13 44464.67
05-14 40824.67
05-15 32250.0
05-16 38055.71
05-17 41700.0
05-18 49729.33
05-19 45463.33
05-20 45310.71
05-21 41023.33
05-22 35663.33
05-23 34416.0
05-24 37927.33
05-25 35741.33
05-26 36727.33
05-27 33722.67
05-28 30033.33
05-29 26951.33
05-30 26352.0
05-31 28488.67
06-01 26786.43
06-02 30899.33
06-03 29147.33
06-04 24920.67
06-05 12134.0
06-06 13240.0
06-07 13287.86
06-08 11804.0
06-09 10048.67
06-10 14956.0
06-11 16057.33
06-12 12682.14
06-13 16270.71
06-14 18003.57
06-15 20404.0
06-16 13968.0
06-17 13703.33
06-18 15083.33
06-19 11097.86
06-20 17620.71
06-21 15896.43
06-22 17755.0
06-23 17097.14
06-24 19967.86
06-25 14061.43
06-26 15715.71
06-27 12183.57
06-28 13614.29
06-29 14211.43
06-30 13765.71
07-01 17210.71
07-02 23046.43
07-03 20511.43
07-04 20300.0
07-05 16296.0
07-06 15209.33
07-07 15507.14
07-08 12746.43
07-09 11878.57
07-10 13068.0
07-11 9711.33
07-12 6408.67
07-13 7529.33
07-14 6566.0
07-15 11891.43
07-16 12126.43
07-17 11948.57
07-18 12448.57
07-19 12472.14
07-20 11510.0
07-21 11677.14
07-22 11015.71
07-23 12640.71
07-24 9301.54
07-25 21855.71
07-26 32437.86
07-27 36222.86
07-28 23466.43
07-29 17887.14
07-30 12108.57
07-31 11729.29
08-01 12392.31
08-02 9980.71
08-03 11046.43
08-04 11225.0
08-05 14685.0
08-06 13637.86
08-07 11145.71
08-08 14509.23
08-09 9958.46
08-10 8903.85
08-11 10650.0
08-12 6517.86
08-13 7438.57
08-14 13215.71
08-15 17092.86
08-16 20965.38
08-17 22139.23
08-18 17065.0
08-19 11529.23
08-20 19507.69
08-21 14503.08
08-22 17672.5
08-23 17860.71
08-24 14222.31
08-25 12021.54
08-26 11224.29
08-27 9280.0
08-28 6264.62
08-29 7012.86
08-30 6187.86
08-31 11495.0
09-01 13772.14
09-02 12237.86
09-03 21707.86
09-04 14470.71
09-05 9842.31
09-06 9442.31
09-07 13665.71
09-08 36704.29
09-09 66431.43
09-10 55728.57
09-11 43652.14
09-12 42141.43
09-13 34658.57
09-14 26525.0
09-15 20181.43
09-16 18389.29
09-17 14809.29
09-18 12342.86
09-19 13033.57
09-20 13531.43
09-21 15066.43
09-22 11830.77
09-23 11552.86
09-24 16004.29
09-25 24208.57
09-26 18395.0
09-27 15802.86
09-28 16448.57
09-29 22513.57
09-30 36893.08
10-01 20738.46
10-02 19961.54
10-03 15752.31
10-04 12923.85
10-05 10957.69
10-06 10636.92
10-07 9618.46
10-08 11721.54
10-09 12547.69
10-10 10556.15
10-11 9749.23
10-12 18036.92
10-13 16110.0
10-14 11786.43
10-15 13766.15
10-16 16522.14
10-17 15125.0
10-18 15039.29
10-19 13807.86
10-20 9275.71
10-21 7937.86
10-22 13587.86
10-23 13414.29
10-24 15395.71
10-25 13050.71
10-26 8302.86
10-27 12375.0
10-28 10100.0
10-29 12150.0
10-30 22825.0
10-31 33100.0
11-01 40325.0
11-02 43441.43
11-03 43690.71
11-04 36541.43
11-05 27429.23
11-06 20157.69
11-07 35961.54
11-08 16603.85
11-09 19254.62
11-10 19541.54
11-11 19253.08
11-12 20241.54
11-13 15760.77
11-14 26950.71
11-15 25942.14
11-16 26952.14
11-17 19224.62
11-18 19776.92
11-19 19408.46
11-20 15834.62
11-21 17643.57
11-22 15360.77
11-23 19232.86
11-24 22081.54
11-25 26277.69
11-26 23535.71
11-27 22071.43
11-28 23279.29
11-29 27351.43
11-30 23295.71
12-01 24585.71
12-02 22010.0
12-03 19680.71
12-04 21857.86
12-05 26138.57
12-06 16615.23
12-07 20977.14
12-08 27062.14
12-09 28175.71
12-10 23563.93
12-11 27102.14
12-12 18661.14
12-13 27076.29
12-14 26317.69
12-15 26012.31
12-16 22683.85
12-17 25946.08
12-18 31125.38
12-19 26899.23
12-20 36639.23
12-21 36487.5
12-22 29307.46
12-23 41318.46
12-24 42150.77
12-25 54430.0
12-26 60463.08
12-27 78583.33
12-28 55903.85
12-29 52235.45
12-30 50846.67
12-31 50425.83

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index