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Boulder Creek At Mouth, Near Longmont, Co. 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 58.92
01-02 61.21
01-03 59.8
01-04 56.02
01-05 51.08
01-06 54.11
01-07 61.89
01-08 55.98
01-09 55.94
01-10 54.24
01-11 58.69
01-12 64.46
01-13 61.06
01-14 58.94
01-15 58.89
01-16 60.36
01-17 62.45
01-18 57.01
01-19 61.68
01-20 61.42
01-21 60.45
01-22 55.52
01-23 50.07
01-24 49.11
01-25 57.18
01-26 56.08
01-27 48.54
01-28 48.0
01-29 49.19
01-30 46.11
01-31 45.39
02-01 45.11
02-02 46.69
02-03 47.27
02-04 59.32
02-05 59.83
02-06 58.0
02-07 60.69
02-08 57.84
02-09 57.07
02-10 55.89
02-11 53.73
02-12 51.64
02-13 52.37
02-14 56.99
02-15 56.81
02-16 55.04
02-17 55.37
02-18 55.32
02-19 53.61
02-20 58.36
02-21 59.26
02-22 60.88
02-23 64.91
02-24 69.06
02-25 64.35
02-26 68.34
02-27 69.84
02-28 66.04
02-29 64.53
03-01 62.26
03-02 62.43
03-03 64.13
03-04 63.71
03-05 58.33
03-06 57.48
03-07 57.94
03-08 68.28
03-09 67.75
03-10 64.39
03-11 63.32
03-12 62.53
03-13 60.08
03-14 78.32
03-15 82.26
03-16 78.56
03-17 73.55
03-18 82.18
03-19 72.26
03-20 92.29
03-21 73.13
03-22 66.34
03-23 70.22
03-24 72.45
03-25 77.11
03-26 80.05
03-27 68.61
03-28 70.18
03-29 72.69
03-30 71.07
03-31 70.07
04-01 64.05
04-02 57.26
04-03 55.74
04-04 58.37
04-05 63.81
04-06 59.61
04-07 48.56
04-08 44.72
04-09 42.94
04-10 46.31
04-11 50.17
04-12 50.68
04-13 54.42
04-14 58.08
04-15 46.61
04-16 53.96
04-17 77.87
04-18 128.47
04-19 78.98
04-20 78.65
04-21 89.48
04-22 89.36
04-23 91.7
04-24 101.75
04-25 107.26
04-26 101.41
04-27 135.93
04-28 116.38
04-29 119.57
04-30 84.31
05-01 103.76
05-02 112.48
05-03 113.14
05-04 191.02
05-05 140.82
05-06 138.56
05-07 140.15
05-08 173.09
05-09 210.33
05-10 267.07
05-11 267.22
05-12 328.6
05-13 275.57
05-14 216.77
05-15 210.6
05-16 207.93
05-17 186.49
05-18 180.5
05-19 318.35
05-20 351.67
05-21 284.2
05-22 253.52
05-23 245.68
05-24 254.31
05-25 287.48
05-26 267.93
05-27 268.96
05-28 235.65
05-29 246.94
05-30 254.55
05-31 291.09
06-01 282.72
06-02 307.73
06-03 293.65
06-04 308.32
06-05 338.23
06-06 345.31
06-07 341.11
06-08 340.23
06-09 379.65
06-10 359.99
06-11 343.36
06-12 280.51
06-13 311.22
06-14 311.53
06-15 337.61
06-16 310.87
06-17 301.33
06-18 312.61
06-19 310.19
06-20 317.48
06-21 297.74
06-22 272.86
06-23 263.51
06-24 228.49
06-25 199.6
06-26 211.76
06-27 192.15
06-28 165.57
06-29 144.17
06-30 127.06
07-01 125.94
07-02 153.95
07-03 138.91
07-04 117.14
07-05 116.33
07-06 119.33
07-07 132.88
07-08 137.56
07-09 165.59
07-10 132.68
07-11 115.78
07-12 111.32
07-13 106.79
07-14 115.82
07-15 104.04
07-16 89.49
07-17 73.61
07-18 62.03
07-19 61.53
07-20 47.88
07-21 57.6
07-22 48.51
07-23 40.72
07-24 37.38
07-25 30.36
07-26 26.75
07-27 26.69
07-28 24.96
07-29 24.19
07-30 19.7
07-31 61.36
08-01 50.77
08-02 29.19
08-03 21.43
08-04 39.3
08-05 15.87
08-06 9.97
08-07 10.55
08-08 19.99
08-09 15.19
08-10 10.82
08-11 9.38
08-12 8.5
08-13 8.5
08-14 7.35
08-15 9.21
08-16 10.36
08-17 53.7
08-18 15.62
08-19 10.54
08-20 14.22
08-21 10.94
08-22 10.6
08-23 9.28
08-24 12.61
08-25 10.02
08-26 13.72
08-27 10.36
08-28 10.17
08-29 9.54
08-30 10.57
08-31 12.19
09-01 10.82
09-02 14.96
09-03 11.79
09-04 9.74
09-05 9.79
09-06 20.14
09-07 15.93
09-08 18.81
09-09 27.75
09-10 24.08
09-11 36.18
09-12 71.1
09-13 24.13
09-14 20.78
09-15 38.71
09-16 30.02
09-17 20.95
09-18 24.6
09-19 22.19
09-20 20.48
09-21 21.25
09-22 21.77
09-23 20.66
09-24 51.81
09-25 25.5
09-26 69.71
09-27 58.55
09-28 58.31
09-29 59.62
09-30 55.27
10-01 59.72
10-02 55.42
10-03 67.11
10-04 52.08
10-05 60.51
10-06 53.2
10-07 53.9
10-08 52.2
10-09 52.7
10-10 65.22
10-11 58.09
10-12 56.58
10-13 47.75
10-14 47.84
10-15 52.23
10-16 52.92
10-17 47.88
10-18 44.5
10-19 49.22
10-20 52.8
10-21 52.06
10-22 62.12
10-23 55.33
10-24 50.97
10-25 53.6
10-26 63.51
10-27 61.46
10-28 57.69
10-29 55.93
10-30 53.72
10-31 56.81
11-01 60.07
11-02 61.87
11-03 62.89
11-04 61.41
11-05 61.94
11-06 61.32
11-07 56.96
11-08 55.5
11-09 56.38
11-10 55.31
11-11 56.55
11-12 60.4
11-13 55.21
11-14 55.84
11-15 59.18
11-16 54.94
11-17 54.9
11-18 54.84
11-19 57.18
11-20 56.75
11-21 53.82
11-22 54.09
11-23 54.02
11-24 50.14
11-25 50.07
11-26 52.76
11-27 52.65
11-28 51.29
11-29 54.97
11-30 55.08
12-01 54.91
12-02 53.83
12-03 52.75
12-04 51.56
12-05 49.92
12-06 53.32
12-07 50.77
12-08 51.78
12-09 50.66
12-10 53.28
12-11 53.02
12-12 52.52
12-13 52.66
12-14 51.65
12-15 55.93
12-16 54.93
12-17 54.53
12-18 54.69
12-19 53.95
12-20 52.68
12-21 51.55
12-22 53.53
12-23 55.45
12-24 57.28
12-25 57.53
12-26 57.31
12-27 54.67
12-28 51.73
12-29 52.74
12-30 61.21
12-31 57.92

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index