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Perkiomen Creek At Graterford, 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
01-01 968.27
01-02 1151.82
01-03 502.55
01-04 536.0
01-05 510.09
01-06 495.91
01-07 425.0
01-08 459.56
01-09 347.7
01-10 2095.09
01-11 651.91
01-12 997.55
01-13 705.89
01-14 528.5
01-15 571.6
01-16 381.2
01-17 503.64
01-18 460.4
01-19 527.08
01-20 661.25
01-21 590.55
01-22 345.3
01-23 392.43
01-24 670.5
01-25 2416.0
01-26 1994.44
01-27 701.33
01-28 747.71
01-29 843.14
01-30 428.22
01-31 388.36
02-01 615.33
02-02 592.9
02-03 629.5
02-04 2047.9
02-05 1231.27
02-06 802.6
02-07 530.17
02-08 741.83
02-09 433.92
02-10 361.0
02-11 695.33
02-12 755.83
02-13 499.58
02-14 602.64
02-15 455.18
02-16 524.7
02-17 1709.2
02-18 604.3
02-19 508.0
02-20 472.25
02-21 468.67
02-22 729.5
02-23 641.54
02-24 673.33
02-25 1781.82
02-26 741.82
02-27 530.83
02-28 728.33
02-29 785.75
03-01 1023.83
03-02 809.85
03-03 988.75
03-04 822.83
03-05 673.67
03-06 1236.0
03-07 618.5
03-08 482.71
03-09 456.43
03-10 1458.57
03-11 1103.07
03-12 1305.79
03-13 1580.14
03-14 628.79
03-15 852.14
03-16 800.07
03-17 599.21
03-18 585.79
03-19 603.07
03-20 697.79
03-21 558.13
03-22 904.71
03-23 557.27
03-24 827.27
03-25 1126.87
03-26 523.0
03-27 504.67
03-28 503.8
03-29 857.6
03-30 581.93
03-31 776.5
04-01 1322.13
04-02 591.53
04-03 681.73
04-04 1002.07
04-05 550.0
04-06 412.87
04-07 963.4
04-08 429.14
04-09 486.87
04-10 410.47
04-11 353.47
04-12 347.14
04-13 517.36
04-14 638.29
04-15 363.23
04-16 1235.92
04-17 609.15
04-18 351.08
04-19 766.77
04-20 508.38
04-21 551.07
04-22 381.43
04-23 467.14
04-24 366.29
04-25 337.64
04-26 316.5
04-27 700.57
04-28 308.71
04-29 301.43
04-30 316.93
05-01 1287.29
05-02 385.46
05-03 531.14
05-04 339.87
05-05 399.6
05-06 693.2
05-07 574.13
05-08 984.67
05-09 435.6
05-10 432.93
05-11 343.6
05-12 412.53
05-13 487.33
05-14 652.67
05-15 383.71
05-16 695.57
05-17 1099.86
05-18 465.27
05-19 379.46
05-20 539.95
05-21 628.13
05-22 316.13
05-23 515.23
05-24 336.13
05-25 375.0
05-26 303.52
05-27 284.49
05-28 463.74
05-29 444.66
05-30 854.41
05-31 726.82
06-01 383.53
06-02 292.11
06-03 327.06
06-04 347.39
06-05 300.17
06-06 230.58
06-07 262.29
06-08 648.36
06-09 303.16
06-10 244.87
06-11 807.5
06-12 566.95
06-13 273.0
06-14 743.21
06-15 315.2
06-16 230.07
06-17 209.79
06-18 192.69
06-19 254.28
06-20 235.41
06-21 480.19
06-22 219.0
06-23 191.51
06-24 182.71
06-25 227.5
06-26 170.64
06-27 182.07
06-28 371.71
06-29 230.71
06-30 174.7
07-01 242.46
07-02 745.98
07-03 246.54
07-04 209.16
07-05 192.55
07-06 163.41
07-07 287.09
07-08 180.44
07-09 334.24
07-10 744.27
07-11 464.85
07-12 1734.35
07-13 203.42
07-14 222.89
07-15 406.25
07-16 274.45
07-17 206.81
07-18 284.06
07-19 312.2
07-20 162.27
07-21 156.83
07-22 160.87
07-23 533.27
07-24 296.65
07-25 548.09
07-26 462.07
07-27 200.97
07-28 274.69
07-29 487.74
07-30 196.07
07-31 165.61
08-01 261.34
08-02 223.27
08-03 206.4
08-04 2849.6
08-05 494.51
08-06 232.87
08-07 164.86
08-08 509.85
08-09 215.1
08-10 201.93
08-11 181.84
08-12 518.05
08-13 175.44
08-14 578.44
08-15 454.87
08-16 238.07
08-17 171.09
08-18 157.52
08-19 589.4
08-20 196.4
08-21 148.71
08-22 1012.44
08-23 532.06
08-24 383.0
08-25 188.77
08-26 170.16
08-27 139.74
08-28 191.51
08-29 556.44
08-30 197.06
08-31 152.14
09-01 144.44
09-02 160.12
09-03 339.7
09-04 235.88
09-05 212.84
09-06 188.09
09-07 1311.3
09-08 899.44
09-09 367.5
09-10 515.1
09-11 488.68
09-12 244.41
09-13 339.07
09-14 221.71
09-15 175.43
09-16 166.13
09-17 145.91
09-18 231.02
09-19 480.4
09-20 186.31
09-21 149.88
09-22 137.76
09-23 136.9
09-24 891.81
09-25 400.81
09-26 403.17
09-27 213.56
09-28 186.5
09-29 669.11
09-30 406.68
10-01 244.04
10-02 175.82
10-03 337.41
10-04 229.35
10-05 291.69
10-06 197.77
10-07 156.54
10-08 142.71
10-09 151.55
10-10 158.51
10-11 131.86
10-12 368.06
10-13 190.12
10-14 557.94
10-15 248.92
10-16 183.71
10-17 356.21
10-18 172.86
10-19 138.48
10-20 274.49
10-21 207.52
10-22 161.19
10-23 165.41
10-24 150.41
10-25 157.14
10-26 136.59
10-27 193.68
10-28 327.04
10-29 213.76
10-30 1335.39
10-31 727.14
11-01 995.29
11-02 414.36
11-03 1230.94
11-04 326.85
11-05 181.02
11-06 211.25
11-07 324.43
11-08 209.32
11-09 186.88
11-10 594.45
11-11 214.99
11-12 322.55
11-13 289.85
11-14 343.3
11-15 227.48
11-16 277.66
11-17 529.36
11-18 471.24
11-19 332.32
11-20 289.62
11-21 236.94
11-22 244.0
11-23 974.93
11-24 443.54
11-25 1372.31
11-26 353.0
11-27 800.57
11-28 443.29
11-29 284.93
11-30 540.93
12-01 1239.57
12-02 459.21
12-03 485.5
12-04 486.64
12-05 321.43
12-06 352.62
12-07 991.43
12-08 1251.71
12-09 396.29
12-10 767.93
12-11 1038.36
12-12 438.64
12-13 325.71
12-14 301.15
12-15 370.15
12-16 684.17
12-17 681.5
12-18 1406.91
12-19 675.27
12-20 410.15
12-21 359.0
12-22 742.85
12-23 644.23
12-24 1210.08
12-25 2030.08
12-26 609.23
12-27 572.75
12-28 2255.0
12-29 847.55
12-30 1007.92
12-31 621.75

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index