Weekes Wash at Baseline Rd - ID # 39207

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Page Last Updated: 24 October 2024

ID History  | Site Data  | Brief Rating  | Water Year Peaks  | Runoff History  | Flood Frequency

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GAGE ID AND DATUM HISTORY

ID Elevation of
Instrument
in Gage Height		 Elevation of
Instrument
in Datum		 Period
       
39207 0.20 feet 1,620.56 feet NAVD88 04/10/2020 -- Current
6753 0.20 feet 1,620.56 feet NAVD88 05/27/2008 -- 04/10/2020

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SITE DATA

STATUS Active
LOCATION Baseline Road between Idaho and Tomahawk Roads
DRAINAGE AREA 11.9 mi2
STREAM TYPE Engineered channel of natural stream
JURISDICTION Apache Junction, Arizona
WATERSHED Upper East Maricopa Floodway
SECTION/TOWNSHIP/RANGE S04 T1S R8E
LATITUDE N 33° 22' 43.7"  |  +33.37881
LONGITUDE W 111° 32' 15.1"  |  -111.53752
ARIZONA STATE PLANE N 865565  | E 815734
USGS QUAD SHEET Apache Junction 7.5-Minute
STREAMGAGE INSTALLATION DATE 05/27/2008 - WY 2008
PERIOD OF AVAILABLE DATA RECORD 05/27/2008 - Current
LENGTH OF AVAILABLE DATA RECORD (AS OF 10/01/2024) 16.35 Years | 5,971 Days
GAPS (> 2 DAYS) IN RECORD None
STAGE GAGE TYPE Pressure Transducer
STAGE GAGE ELEVATION 0.20 feet Gage Height
STAFF GAGES None
CREST STAGE GAGES None
ZERO GAGE HEIGHT ELEVATION 1,620.356 feet NAVD88
POINT OF ZERO FLOW 0.00 feet Gage Height
EXTREME FOR PERIOD OF RECORD 2,000 cfs | 6.47 feet GH | 07/28/2022

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BRIEF RATING

Current Rating = #2 - Applied since 10/01/2020
Discharge
(cfs)		 Gage
Height
(feet)		 Discharge
(cfs)
0 0.00 1,620.36
50 0.64 1,621.00
100 0.98 1,621.34
200 1.54 1,621.90
300 2.01 1,622.37
500 2.80 1,623.16
800 3.74 1,624.10
1,000 4.28 1,624.64
1,500 5.45 1,625.81
2,000 6.47 1,626.83

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WATER YEAR PEAKS

Water
Year		 Peak
Gage Height
(feet)		 Peak
Discharge
(cfs)		 Date of
Peak
2025      
2024 1.27 149 02/02/2024
2023 1.94 284 09/13/2023
2022 6.47 2000 07/28/2022
2021 0.92 90 07/22/2021
2020 0.97 65 11/29/2019
2019 7.07 1,493 09/23/2019
2018 3.12 386 08/23/2018
2017 7.24 1,624 07/24/2017
2016 1.77 161 08/09/2016
2015 3.28 417 10/09/2014
2014 3.52 469 09/27/2014
2013 4.22 630 07/21/2013
2012 1.55 131 09/04/2012
2011 None 0 None
2010 None 0 None
2009 None 0 None
2008 1.83 168 08/27/2008

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RUNOFF EVENT HISTORY

Date of
Peak		 Time of
Peak		 Runoff
Start		 Runoff
End		 Duration
(hours)		 Peak
Stage
(feet GH)		 Peak
Discharge
(CFS)		 Water
Year
View a Plot of These Data
               
03/24/2024 02:59 03/23/2024 18:00 03/23/2024 12:00 18.0 0.44 28 2024
02/10/2024 21:01 02/09/2024 23:00 02/11/2024 06:00 36.0 0.57 42 2024
02/02/2024 01:24 02/01/2024 23:00 02/02/2024 07:44 8.7 1.27 149 2024
09/13/2023 08:17 09/13/2023 06:00 09/13/2023 10:20 4.3 1.94 284 2023
03/15/2023 22:25 03/15/2023 18:00 03/16/2023 06:00 12.0 0.63 49 2023
03/02/2023 00:00 03/01/2023 18:00 03/02/2023 05:08 11.1 0.73 62 2023
02/26/2023 06:10 02/26/2023 00:00 02/26/2023 12:00 12.0 0.56 41 2023
02/12/2023 10:46 02/12/2023 06:00 02/12/2023 13:58 8.0 0.61 46 2023
02/10/2023 11:21 02/10/2023 06:00 02/10/2023 18:00 12.0 0.51 35 2023
01/01/2023 18:13 01/01/2023 06:00 01/02/2023 06:00 24.0 0.53 37 2023
12/04/2022 00:25 12/03/2022 12:00 12/04/2022 18:00 30.0 0.63 49 2023
07/28/2022 14:32 07/28/2022 12:28 07/28/2022 20:28 7.8 6.47 2000 2022
09/02/2021 08:28 09/02/2021 08:23 09/02/2021 10:37 2.2 0.44 28 2021
08/17/2021 23:21 08/16/2021 23:04 08/17/2021 02:24 3.3 0.84 78 2021
08/14/2021 00:00 08/13/2021 23:42 08/14/2021 06:00 6.3 0.84 78 2021
08/11/2021 08:30 08/11/2021 06:08 08/11/2021 12:00 5.9 0.74 63 2021
08/10/2021 09:08 08/10/2021 08:53 08/10/2021 10:12 1.3 0.44 28 2021
07/24/2021 09:56 07/24/2021 09:48 07/24/2021 13:33 3.8 0.77 68 2021
07/22/2021 23:20 07/22/2021 23:08 07/23/2021 12:25 13.3 0.92 90 2021
08/29/2020 22:21 08/29/2020 22:16 08/30/2020 00:00 1.7 0.44 12 2020
08/20/2020 03:05 08/20/2020 03:03 08/20/2020 05:23 6.2 0.97 65 2020
03/18/2020 17:34 03/18/2020 15:44 03/18/2020 22:37 6.9 0.47 14 2020
03/13/2020 03:47 03/13/2020 03:31 03/13/2020 06:00 2.5 0.44 12 2020
03/11/2020 09:24 03/11/2020 08:34 03/11/2020 12:00 3.4 0.52 19 2020
12/27/2019 00:36 12/27/2019 00:00 12/27/2019 03:10 3.2 0.39 8 2020
12/25/2019 10:32 12/25/2019 10:20 12/25/2019 15:30 5.2 0.84 52 2020
11/29/2019 07:06 11/29/2019 05:46 11/29/2019 12:00 6.2 0.97 65 2020
11/21/2019 18:20 11/21/2019 18:03 11/21/2019 12:00 12.0 0.74 41 2020
11/21/2019 09:00 11/21/2019 00:00 11/21/2019 12:00 12.0 0.74 41 2020
11/20/2019 03:41 11/20/2019 03:06 11/20/2019 09:42 6.6 0.84 52 2020
11/20/2019 22:55 11/19/2019 22:46 11/20/2019 02:24 3.6 0.49 16 2020
09/23/2019 09:06 09/23/2019 05:09 09/23/2019 17:23 12.2 7.07 1,493 2019
03/12/2019 17:08 03/12/2019 16:25 03/12/2019 20:20 3.9 0.69 35 2019
02/21/2019 20:55 02/21/2019 14:51 02/22/2019 16:52 26.0 1.17 86 2019
02/03/2019 07:11 02/03/2019 07:02 02/03/2019 12:00 5.0 0.49 16 2019
01/06/2019 03:33 01/06/2019 03:02 01/06/2019 12:00 9.0 0.49 16 2019
10/13/2018 10:12 10/13/2018 09:59 10/13/2018 18:00 8.0 0.68 34 2019
10/02/2018 12:55 10/02/2018 11:11 10/02/2018 18:00 6.8 0.73 40 2019
08/24/2018 21:29 08/24/2018 20:37 08/25/2018 04:01 7.4 2.32 243 2018
08/23/2018 22:39 08/23/2018 20:32 08/24/2018 05:54 9.4 3.12 386 2018
08/10/2018 23:35 08/10/2018 22:37 08/11/2018 03:49 5.2 0.78 45 2018
08/10/2018 01:17 08/10/2018 00:08 08/10/2018 04:26 4.3 1.53 129 2018
07/09/2018 16:02 07/09/2018 15:57 07/09/2018 18:00 2.1 0.65 31 2018
09/08/2017 20:05 09/08/2017 19:45 09/08/2017 22:48 3.1 0.74 41 2017
07/29/2017 19:51 07/29/2017 19:40 07/29/2017 22:59 3.3 0.61 27 2017
07/24/2017 10:00 07/24/2017 05:51 07/24/2017 18:00 12.2 7.24 1,624 2017
07/23/2017 21:21 07/23/2017 19:12 07/24/2017 02:19 7.1 1.46 120 2017
07/21/2017 20:23 07/21/2017 19:07 07/21/2017 22:27 3.3 1.51 126 2017
08/09/2016 12:28 08/09/2016 11:49 08/09/2016 18:00 6.2 1.77 161 2016
05/15/2015 23:38 05/15/2015 23:21 05/16/2015 01:37 2.3 0.42 11 2015
01/30/2015 12:38 01/30/2015 11:11 01/30/2015 16:57 5.8 0.50 17 2015
10/09/2014 09:08 10/09/2014 06:55 10/09/2014 14:14 7.3 3.28 417 2015
09/27/2014 20:37 09/27/2014 18:00 09/28/2014 00:23 6.4 3.52 469 2014
09/08/2014 07:24 09/08/2014 06:08 09/08/2014 14:14 8.1 1.70 151 2014
09/08/2014 02:48 09/08/2014 02:29 09/08/2014 05:03 2.6 0.52 19 2014
09/09/2013 14:17 09/09/2013 13:57 09/09/2013 17:32 3.6 2.50 273 2013
08/30/2013 18:33 08/30/2013 18:02 08/30/2013 21:22 3.3 0.90 58 2013
07/21/2013 15:22 07/21/2013 14:27 07/21/2013 19:11 4.7 4.22 630 2013
09/07/2012 08:40 09/07/2012 08:05 09/07/2012 11:40 3.6 0.85 53 2012
09/04/2012 03:32 09/04/2012 02:14 09/04/2012 05:40 3.4 1.55 131 2012
08/23/2012 04:43 08/23/2012 04:43 08/23/2012 06:15 1.5 0.50 17 2012
08/27/2008 08:24 08/27/2008 07:27 08/27/2008 11:01 3.6 1.83 168 2008
07/10/2008 22:26 07/10/2008 22:13 07/10/2008 23:45 1.5 0.73 39 2008

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FLOOD FLOW FREQUENCY

Flood Flow Frequency
View a plot of Flood Frequncy Data
***NOTE: Flood Flow Frequency data are for information only and should not be considered valid for regulation***
Magnitude and Probability of Instantaneous Peak Flow  |  Discharge, in cfs, for indicated Recurrence Interval
USGS StreamStats Flood Flow Frequency
2-year 5-year 10-year 25-year 50-year 100-year 200-year 500-year
Flood Flow Frequency
Based on HECWRC implementation of Bulletin 17B, n=14, 2008-2021
2-year 5-year 10-year 20-year 50-year 100-year 200-year 500-year

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