Red Flag Warning
2026-08-04T21:00:00-06:00

* AFFECTED AREA...Fire Weather Zone 489 San Rafael Swell. * WINDS...Northwest 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...5 to 10 percent with poor overnight recovery. * IMPACTS...Critical fire weather conditions are expected. Any new fire starts or existing fires may spread rapidly.

San Rafael River Near Green River, Ut Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
01-11 7.64
01-12 10.8
01-13 9.51
01-14 8.87
01-15 13.6
01-16 13.6
01-17 36.2
01-18 13.6
01-19 10.2
01-20 6.45
01-21 8.25
01-22 10.8
01-23 18.9
01-24 6.45
01-25 9.51
01-26 11.5
01-27 13.6
01-31 52.0
02-01 50.0
02-02 73.0
02-03 55.0
02-04 47.0
02-05 41.0
02-06 40.0
02-07 39.0
02-08 38.35
02-09 40.45
02-10 41.6
02-11 36.0
02-12 40.35
02-13 30.17
02-14 29.27
02-15 29.5
02-16 28.93
02-17 38.63
02-18 43.08
02-19 38.2
02-20 21.43
02-21 36.88
02-22 33.27
02-23 23.43
02-24 20.38
02-25 19.24
02-26 19.85
02-27 20.52
02-28 29.81
02-29 37.17
03-01 28.66
03-02 28.82
03-03 43.38
03-04 58.54
03-05 61.66
03-06 55.65
03-07 51.21
03-08 45.51
03-09 53.16
03-10 44.95
03-11 45.78
03-12 40.95
03-13 45.77
03-14 44.51
03-15 40.76
03-16 36.61
03-17 36.74
03-18 29.3
03-19 33.37
03-20 32.31
03-21 32.1
03-22 33.27
03-23 51.68
03-24 42.94
03-25 35.4
03-26 34.2
03-27 30.83
03-28 30.1
03-29 29.41
03-30 29.4
03-31 31.33
04-01 32.6
04-02 31.7
04-03 30.34
04-04 31.77
04-05 31.69
04-06 27.04
04-07 31.03
04-08 33.19
04-09 29.68
04-10 33.25
04-11 44.12
04-12 40.11
04-13 40.34
04-14 43.36
04-15 51.24
04-16 70.08
04-17 64.92
04-18 70.15
04-19 73.31
04-20 79.57
04-21 81.64
04-22 77.58
04-23 71.25
04-24 67.3
04-25 74.47
04-26 74.43
04-27 73.76
04-28 77.44
04-29 78.99
04-30 92.91
05-01 85.86
05-02 73.4
05-03 58.65
05-04 75.42
05-05 59.99
05-06 83.11
05-07 65.58
05-08 59.79
05-09 80.1
05-10 100.0
05-11 104.46
05-12 101.78
05-13 96.04
05-14 71.67
05-15 88.52
05-16 133.92
05-17 134.19
05-18 128.49
05-19 134.47
05-20 152.6
05-21 142.38
05-22 150.82
05-23 139.77
05-24 137.95
05-25 157.74
05-26 157.47
05-27 186.13
05-28 204.0
05-29 203.45
05-30 209.65
05-31 213.56
06-01 236.27
06-02 212.11
06-03 224.9
06-04 206.78
06-05 270.19
06-06 262.58
06-07 325.86
06-08 319.99
06-09 280.39
06-10 285.23
06-11 288.43
06-12 240.43
06-13 214.18
06-14 256.8
06-15 279.42
06-16 295.64
06-17 301.19
06-18 324.29
06-19 390.37
06-20 387.98
06-21 351.44
06-22 352.96
06-23 387.21
06-24 334.12
06-25 277.88
06-26 269.31
06-27 342.68
06-28 352.96
06-29 331.79
06-30 309.56
07-01 301.73
07-02 244.23
07-03 307.72
07-04 266.33
07-05 211.33
07-06 201.74
07-07 260.86
07-08 184.68
07-09 213.65
07-10 168.53
07-11 223.57
07-12 183.97
07-13 126.63
07-14 128.53
07-15 140.08
07-16 172.94
07-17 93.8
07-18 94.61
07-19 78.33
07-20 91.77
07-21 80.44
07-22 61.23
07-23 63.93
07-24 48.69
07-25 44.19
07-26 48.09
07-27 49.81
07-28 50.97
07-29 52.5
07-30 40.53
07-31 43.15
08-01 43.0
08-02 55.31
08-03 71.82
08-04 109.11
08-05 55.48
08-06 125.93
08-07 81.44
08-08 38.03
08-09 28.4
08-10 27.66
08-11 25.55
08-12 24.11
08-13 20.09
08-14 19.05
08-15 18.84
08-16 76.84
08-17 35.23
08-18 23.18
08-19 19.36
08-20 106.92
08-21 86.73
08-22 28.25
08-23 36.06
08-24 66.45
08-25 36.1
08-26 46.17
08-27 41.26
08-28 149.76
08-29 57.1
08-30 43.09
08-31 31.82
09-01 30.18
09-02 24.05
09-03 86.09
09-04 37.06
09-05 40.7
09-06 35.96
09-07 38.01
09-08 30.74
09-09 22.53
09-10 32.81
09-11 87.91
09-12 96.25
09-13 125.37
09-14 117.83
09-15 108.87
09-16 96.3
09-17 55.72
09-18 68.17
09-19 37.41
09-20 35.8
09-21 30.58
09-22 29.37
09-23 207.73
09-24 143.83
09-25 134.07
09-26 44.4
09-27 35.47
09-28 66.25
09-29 117.02
09-30 143.15
10-01 67.39
10-02 76.22
10-03 69.69
10-04 34.25
10-05 28.82
10-06 39.99
10-07 40.13
10-08 128.57
10-09 120.56
10-10 120.27
10-11 72.45
10-12 51.51
10-13 44.18
10-14 72.58
10-15 50.45
10-16 36.9
10-17 33.47
10-18 30.31
10-19 76.33
10-20 110.93
10-21 47.38
10-22 110.24
10-23 45.07
10-24 30.51
10-25 30.76
10-26 29.74
10-27 29.29
10-28 29.18
10-29 26.45
10-30 25.57
10-31 25.77
11-01 26.01
11-02 24.06
11-03 24.33
11-04 25.03
11-05 25.07
11-06 24.7
11-07 25.98
11-08 26.84
11-09 25.65
11-10 25.54
11-11 24.46
11-12 23.88
11-13 24.47
11-14 24.5
11-15 24.66
11-16 24.06
11-17 24.3
11-18 39.62
11-19 30.85
11-20 27.13
11-21 26.1
11-22 32.12
11-23 32.7
11-24 27.98
11-25 28.74
11-26 26.57
11-27 26.44
11-28 28.43
11-29 26.2
11-30 23.85
12-01 37.71
12-02 31.2
12-03 27.79
12-04 29.22
12-05 28.43
12-06 27.55
12-07 30.95
12-08 33.85
12-09 31.83
12-10 32.95
12-11 28.93
12-12 27.88
12-13 32.77
12-14 27.0
12-15 33.53
12-16 35.03
12-17 33.43
12-18 30.03
12-19 29.85
12-20 33.55
12-21 32.2
12-22 30.25
12-23 32.7
12-24 32.2
12-25 37.7
12-26 23.45
12-27 28.35
12-28 30.0
12-29 18.0
12-30 20.0
12-31 26.0

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index