Overview Realtime Historical Map View
Extreme Heat Warning
2026-08-07T20:00:00-07:00

* WHAT...Dangerously hot conditions, with temperatures around 105 to 110 degrees. * WHERE...Marble and Glen Canyons; including Page. * WHEN...Until 8 PM MST /9 PM MDT/ Friday. * IMPACTS...Most individuals will be at risk for heat-related illnesses without effective cooling or adequate hydration, especially with prolonged outdoor exposure.

Paria River At Lees Ferry, Az 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 15.17
01-02 13.45
01-03 21.96
01-04 17.94
01-05 17.85
01-06 14.91
01-07 17.2
01-08 16.04
01-09 16.39
01-10 17.38
01-11 15.47
01-12 18.8
01-13 18.33
01-14 18.49
01-15 20.14
01-16 19.98
01-17 21.73
01-18 18.02
01-19 22.85
01-20 17.12
01-21 17.44
01-22 16.2
01-23 18.69
01-24 16.78
01-25 16.26
01-26 16.96
01-27 18.09
01-28 24.59
01-29 21.15
01-30 16.16
01-31 16.37
02-01 23.66
02-02 20.85
02-03 20.31
02-04 51.01
02-05 24.17
02-06 16.86
02-07 18.51
02-08 22.93
02-09 18.27
02-10 18.36
02-11 17.85
02-12 18.55
02-13 19.2
02-14 22.08
02-15 66.47
02-16 26.38
02-17 25.05
02-18 19.18
02-19 18.36
02-20 22.77
02-21 17.01
02-22 17.56
02-23 18.22
02-24 20.12
02-25 19.01
02-26 20.54
02-27 21.2
02-28 18.62
02-29 15.28
03-01 23.03
03-02 43.89
03-03 42.66
03-04 40.73
03-05 30.92
03-06 26.09
03-07 26.23
03-08 41.07
03-09 35.4
03-10 29.33
03-11 22.14
03-12 49.93
03-13 34.03
03-14 47.4
03-15 30.04
03-16 30.26
03-17 29.83
03-18 23.06
03-19 23.85
03-20 28.24
03-21 24.22
03-22 29.77
03-23 41.18
03-24 30.44
03-25 29.23
03-26 23.31
03-27 20.94
03-28 19.97
03-29 18.68
03-30 17.64
03-31 18.97
04-01 19.84
04-02 19.94
04-03 18.49
04-04 37.63
04-05 17.77
04-06 14.17
04-07 13.43
04-08 12.87
04-09 15.59
04-10 16.73
04-11 18.28
04-12 19.88
04-13 19.52
04-14 16.69
04-15 12.92
04-16 12.62
04-17 12.17
04-18 12.05
04-19 13.01
04-20 13.75
04-21 12.55
04-22 11.1
04-23 10.83
04-24 10.39
04-25 12.24
04-26 10.21
04-27 10.0
04-28 9.63
04-29 9.05
04-30 11.53
05-01 15.18
05-02 15.89
05-03 11.57
05-04 11.67
05-05 9.18
05-06 8.73
05-07 8.07
05-08 9.03
05-09 9.03
05-10 8.89
05-11 9.85
05-12 11.48
05-13 9.22
05-14 8.57
05-15 7.85
05-16 7.97
05-17 7.99
05-18 9.6
05-19 8.25
05-20 8.95
05-21 21.53
05-22 15.01
05-23 11.2
05-24 11.16
05-25 9.5
05-26 11.68
05-27 9.81
05-28 17.4
05-29 14.17
05-30 11.45
05-31 8.56
06-01 8.54
06-02 8.14
06-03 7.77
06-04 9.23
06-05 8.01
06-06 51.58
06-07 51.66
06-08 9.17
06-09 7.58
06-10 6.35
06-11 6.17
06-12 6.12
06-13 5.89
06-14 6.69
06-15 6.12
06-16 5.56
06-17 7.96
06-18 6.86
06-19 6.91
06-20 7.44
06-21 6.24
06-22 5.53
06-23 4.99
06-24 5.33
06-25 4.93
06-26 4.54
06-27 4.63
06-28 4.3
06-29 4.27
06-30 4.46
07-01 5.89
07-02 5.2
07-03 8.51
07-04 7.54
07-05 5.36
07-06 4.89
07-07 5.06
07-08 13.62
07-09 7.66
07-10 5.13
07-11 6.04
07-12 4.69
07-13 4.82
07-14 6.78
07-15 10.87
07-16 17.06
07-17 52.43
07-18 12.04
07-19 21.38
07-20 22.88
07-21 16.62
07-22 10.7
07-23 23.92
07-24 18.33
07-25 10.27
07-26 18.5
07-27 47.73
07-28 15.73
07-29 33.27
07-30 15.14
07-31 27.37
08-01 8.41
08-02 15.48
08-03 23.9
08-04 22.87
08-05 17.85
08-06 16.08
08-07 13.21
08-08 9.85
08-09 6.44
08-10 6.81
08-11 7.34
08-12 13.32
08-13 15.1
08-14 20.31
08-15 11.79
08-16 13.65
08-17 33.44
08-18 15.14
08-19 46.57
08-20 51.83
08-21 34.06
08-22 57.82
08-23 82.39
08-24 220.3
08-25 51.97
08-26 47.38
08-27 74.07
08-28 112.47
08-29 23.34
08-30 18.35
08-31 13.35
09-01 19.98
09-02 18.47
09-03 30.52
09-04 31.21
09-05 17.42
09-06 11.62
09-07 11.25
09-08 20.67
09-09 85.86
09-10 127.92
09-11 242.44
09-12 210.76
09-13 55.54
09-14 22.63
09-15 64.43
09-16 131.4
09-17 39.49
09-18 16.76
09-19 13.36
09-20 11.28
09-21 9.33
09-22 91.19
09-23 140.25
09-24 33.46
09-25 16.66
09-26 14.25
09-27 12.72
09-28 15.65
09-29 89.59
09-30 22.29
10-01 18.77
10-02 22.3
10-03 12.82
10-04 11.35
10-05 18.8
10-06 126.77
10-07 40.67
10-08 25.68
10-09 17.99
10-10 20.11
10-11 28.76
10-12 25.43
10-13 21.98
10-14 16.21
10-15 10.96
10-16 11.19
10-17 11.74
10-18 24.37
10-19 130.73
10-20 19.33
10-21 12.87
10-22 9.02
10-23 10.97
10-24 27.85
10-25 11.25
10-26 14.51
10-27 8.95
10-28 8.89
10-29 8.95
10-30 11.99
10-31 10.45
11-01 9.88
11-02 9.97
11-03 9.96
11-04 10.48
11-05 9.81
11-06 9.35
11-07 9.88
11-08 12.03
11-09 11.72
11-10 10.91
11-11 10.73
11-12 10.88
11-13 10.52
11-14 10.92
11-15 11.67
11-16 11.65
11-17 13.08
11-18 14.58
11-19 12.62
11-20 15.81
11-21 17.49
11-22 23.69
11-23 22.79
11-24 25.51
11-25 19.39
11-26 16.08
11-27 15.54
11-28 16.15
11-29 16.34
11-30 26.7
12-01 17.87
12-02 15.98
12-03 16.43
12-04 16.92
12-05 17.08
12-06 25.3
12-07 14.01
12-08 13.92
12-09 13.17
12-10 13.99
12-11 15.02
12-12 21.26
12-13 21.81
12-14 14.77
12-15 16.14
12-16 18.2
12-17 15.37
12-18 13.21
12-19 13.88
12-20 15.69
12-21 14.94
12-22 14.54
12-23 14.47
12-24 15.28
12-25 36.07
12-26 34.62
12-27 19.43
12-28 18.52
12-29 15.92
12-30 14.49
12-31 12.77

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index