Overview Realtime Historical Map View
Flood Watch
2026-09-01T00:00:00-07:00

* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Apache, Coconino, and Navajo counties. * WHEN...From Sunday afternoon through Monday evening. * IMPACTS...Flash flooding will be possible in creeks, normally dry washes, swimming holes, and over recently burned areas. Raging killer currents will be possible in side canyons and narrow slot canyons. Low-water crossings may be flooded. * ADDITIONAL DETAILS... - Numerous to widespread showers and thunderstorms are expected across much of central and northern Arizona on Sunday and Monday, including the overnight hours Sunday night. These storms will have the potential to produce heavy rainfall, which could lead to flash flooding. - Additional information is available at weather.gov/flagstaff.

Filler Ditch At Greer, Ariz. Historical Data

Historical Data


Streamflow Range


Date Average 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
01-01 11.75
01-02 10.04
01-03 11.05
01-04 4.83
01-05 8.18
01-06 8.54
01-07 8.4
01-08 8.81
01-09 8.56
01-10 8.33
01-11 8.61
01-12 7.67
01-13 8.84
01-14 8.21
01-15 8.3
01-16 7.98
01-17 7.11
01-18 6.73
01-19 6.91
01-20 7.13
01-21 7.79
01-22 6.98
01-23 7.43
01-24 8.18
01-25 7.34
01-26 5.66
01-27 5.8
01-28 7.56
01-29 5.69
01-30 6.49
01-31 7.02
02-01 7.09
02-02 7.01
02-03 7.01
02-04 6.87
02-05 6.44
02-06 6.49
02-07 7.34
02-08 7.45
02-09 7.47
02-10 7.22
02-11 7.39
02-12 7.56
02-13 7.46
02-14 7.41
02-15 8.29
02-16 7.88
02-17 6.25
02-18 6.57
02-19 5.16
02-20 6.24
02-21 5.89
02-22 6.28
02-23 10.71
02-24 6.41
02-25 6.74
02-26 6.05
02-27 4.91
02-28 5.93
02-29 5.41
03-01 5.6
03-02 6.92
03-03 6.37
03-04 6.75
03-05 7.32
03-06 7.22
03-07 8.08
03-08 7.65
03-09 7.06
03-10 7.21
03-11 8.85
03-12 11.2
03-13 9.53
03-14 9.52
03-15 11.11
03-16 10.76
03-17 11.15
03-18 11.13
03-19 10.05
03-20 10.37
03-21 9.59
03-22 10.68
03-23 10.51
03-24 10.72
03-25 11.19
03-26 11.22
03-27 10.62
03-28 11.48
03-29 11.29
03-30 11.17
03-31 11.0
04-01 9.82
04-02 9.14
04-03 8.54
04-04 8.36
04-05 7.94
04-06 7.29
04-07 7.59
04-08 7.79
04-09 8.05
04-10 7.8
04-11 7.48
04-12 7.33
04-13 6.97
04-14 6.81
04-15 6.28
04-16 0.16
04-17 0.13
04-18 0.1
04-19 0.11
04-20 0.1
04-21 0.14
04-22 0.14
04-23 0.13
04-24 0.11
04-25 0.14
04-26 0.12
04-27 0.11
04-28 0.11
04-29 0.11
04-30 0.11
05-01 0.1
05-02 0.09
05-03 0.09
05-04 0.08
05-05 0.09
05-06 0.09
05-07 0.08
05-08 0.08
05-09 0.08
05-10 0.09
05-11 0.09
05-12 0.09
05-13 0.09
05-14 0.08
05-15 0.07
05-16 0.06
05-17 0.05
05-18 0.06
05-19 0.05
05-20 0.05
05-21 0.05
05-22 0.05
05-23 0.04
05-24 0.02
05-25 0.02
05-26 0.02
05-27 0.02
05-28 0.05
05-29 0.05
05-30 0.05
05-31 0.05
06-01 0.05
06-02 0.38
06-03 0.43
06-04 0.74
06-05 0.58
06-06 0.58
06-07 0.58
06-08 0.62
06-09 0.65
06-10 0.61
06-11 0.61
06-12 1.13
06-13 1.06
06-14 1.06
06-15 0.51
06-16 0.54
06-17 0.54
06-18 0.34
06-19 0.32
06-20 0.45
06-21 0.3
06-22 0.36
06-23 0.24
06-24 0.1
06-25 0.54
06-26 0.51
06-27 0.34
06-28 0.17
06-29 0.29
06-30 0.11
07-01 0.05
07-02 0.03
07-03 0.03
07-04 0.06
07-05 0.11
07-06 0.05
07-07 0.05
07-08 0.05
07-09 0.03
07-10 0.04
07-11 0.08
07-12 0.07
07-13 0.99
07-14 0.04
07-15 0.05
07-16 0.03
07-17 0.08
07-18 0.08
07-19 0.11
07-20 0.11
07-21 0.11
07-22 0.17
07-23 0.17
07-24 0.17
07-25 0.16
07-26 0.08
07-27 0.09
07-28 0.13
07-29 0.11
07-30 0.15
07-31 0.15
08-01 0.47
08-02 0.3
08-03 0.17
08-04 0.22
08-05 0.2
08-06 0.18
08-07 0.24
08-08 0.22
08-09 0.24
08-10 0.11
08-11 0.11
08-12 0.08
08-13 0.08
08-14 0.07
08-15 0.11
08-16 0.07
08-17 0.09
08-18 0.26
08-19 0.75
08-20 0.87
08-21 0.38
08-22 0.58
08-23 0.68
08-24 0.59
08-25 0.73
08-26 0.61
08-27 0.59
08-28 1.25
08-29 1.22
08-30 1.09
08-31 0.77
09-01 0.69
09-02 0.64
09-03 0.26
09-04 0.26
09-05 0.21
09-06 0.99
09-07 0.18
09-08 0.2
09-09 1.17
09-10 0.38
09-11 0.27
09-12 0.39
09-13 0.17
09-14 0.78
09-15 4.73
09-16 5.55
09-17 7.1
09-18 6.4
09-19 6.28
09-20 6.95
09-21 6.22
09-22 7.03
09-23 6.44
09-24 5.54
09-25 5.98
09-26 6.05
09-27 5.87
09-28 6.67
09-29 6.13
09-30 6.18
10-01 6.97
10-02 6.57
10-03 6.84
10-04 7.06
10-05 7.71
10-06 6.63
10-07 6.72
10-08 5.92
10-09 6.43
10-10 6.18
10-11 5.27
10-12 6.75
10-13 6.45
10-14 6.09
10-15 6.36
10-16 6.22
10-17 6.53
10-18 6.32
10-19 5.9
10-20 5.51
10-21 6.2
10-22 7.02
10-23 6.89
10-24 6.28
10-25 6.03
10-26 6.06
10-27 5.56
10-28 5.63
10-29 6.01
10-30 6.1
10-31 6.07
11-01 5.34
11-02 4.79
11-03 6.17
11-04 6.38
11-05 6.84
11-06 6.22
11-07 6.21
11-08 6.76
11-09 6.37
11-10 5.99
11-11 5.94
11-12 5.42
11-13 5.61
11-14 5.79
11-15 5.55
11-16 6.54
11-17 5.84
11-18 4.4
11-19 4.44
11-20 4.41
11-21 6.47
11-22 6.86
11-23 6.98
11-24 6.57
11-25 5.56
11-26 5.53
11-27 4.23
11-28 4.63
11-29 5.62
11-30 4.79
12-01 5.92
12-02 6.58
12-03 6.85
12-04 6.78
12-05 6.97
12-06 5.24
12-07 4.97
12-08 5.3
12-09 3.18
12-10 5.17
12-11 5.3
12-12 5.27
12-13 4.95
12-14 3.99
12-15 4.38
12-16 4.28
12-17 9.93
12-18 8.6
12-19 8.02
12-20 3.59
12-21 3.89
12-22 7.62
12-23 7.59
12-24 8.13
12-25 7.0
12-26 7.38
12-27 7.44
12-28 7.6
12-29 3.34
12-30 10.97
12-31 11.17

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index