Flow report

Arizona streamflow

Live discharge, gauge height, water temperature, and percent-of-normal readings from every USGS streamgauge in Arizona. Built for paddlers, anglers, water managers, and flood researchers.

USGS gauges
140
State percent normal
67%
Paddle runs
11
Updated
Jul 13
Open the Arizona flow layer on the map Every USGS streamgauge filtered to Arizona.
Open the map →
July
13
2026
Flow briefing

Streamflow levels across Arizona are currently 67% of normal, with the Colorado River At Lees Ferry reporting the highest discharge in the state at 9,060 cfs and a gauge stage of 8.36 ft.

Meanwhile, the Little Colorado River Abv Mouth Nr Desert View is seeing a spike today — up 1% since yesterday and currently running near peak.

Tap any gauge below for the full hydrograph, paired weather forecast, and historical context. Use the rivers panel to jump into Arizona's named rivers.

Arizona at a glance

State-wide streamflow overview

The Arizona flow picture in four data points -- where the state sits versus historical norms, what's flowing hardest, and what's spiking fastest.

Percent of normal

67%

100% is the historical norm. Below 70% indicates drought; above 130% can flag elevated flood risk.

Highest discharge

Colorado River At Lees Ferry 9,060 cfs

Gauge stage 8.36 ft

Biggest 24h spike

Little Colorado River Abv Mouth Nr Desert View +1%

Now 218 cfs

Network coverage

Gauges + rivers tracked 140 + 0

USGS gauges feeding 0 named rivers in Arizona.

Full streamgauge inventory

Arizona USGS streamgauges

Every USGS gauge Snoflo tracks in Arizona. Sortable, quickly filterable. Numeric columns heat-mapped from light to deep. Tap any gauge for its full hydrograph and forecast.

140 gauges
Streamgage Streamflow Gage height Water temp Air temp Elevation Watershed
Colorado River Above Diamond Creek Nr Peach Spring, Az
1 day ago · USGS 09404200
8,980 cfs 47.56 ft · 79°F 1,339 ft Grand Canyon
Colorado River At Lees Ferry, Az
1 day ago · USGS 09380000
8,880 cfs 8.31 ft 66°F 77°F 3,123 ft Paria
Colorado River Near Grand Canyon, Az
1 day ago · USGS 09402500
8,080 cfs 6.47 ft · 68°F 2,424 ft Lower Colorado-Marble Canyon
C.R.I.R. Main Canal Nr Parker, Az
1 day ago · USGS 09428500
1,180 cfs 64.42 ft · 80°F 370 ft Imperial Reservoir
Gila Gravity Main Canal At Imperial Dam, Az
1 day ago · USGS 09522500
546 cfs 15.87 ft · 82°F 183 ft Lower Colorado
Wellton-Mohawk, Az
1 day ago · USGS 09522700
495 cfs 9.78 ft · 82°F 165 ft Lower Gila
Salt River Blw Stewart Mountain Dam, Az
1 day ago · USGS 09502000
469 cfs 3.96 ft · 83°F 1,384 ft Lower Salt
San Pedro River Near Tombstone, Az
1 day ago · USGS 09471550
450 cfs 5.27 ft · 66°F 3,794 ft Upper San Pedro
San Pedro River At Palominas, Az
1 day ago · USGS 09470500
430 cfs 7.25 ft · 63°F 4,205 ft Upper San Pedro
Yuma Main Canal Bl Colo R Siphon, Az
1 day ago · USGS 09525500
227 cfs 10.91 ft · 82°F 137 ft Lower Colorado
Little Colorado River Abv Mouth Nr Desert View, Az
1 day ago · USGS 09402300
218 cfs 5.25 ft 76°F 68°F 2,768 ft Lower Little Colorado
San Pedro River At Charleston, Az
1 day ago · USGS 09471000
174 cfs 2.96 ft 74°F 66°F 3,957 ft Upper San Pedro
Verde River Blw Bartlett Dam, Az
1 day ago · USGS 09510000
174 cfs 1.70 ft 63°F 82°F 1,586 ft Lower Verde
Wellton-Mohawk Main Outlet Drain Nr Yuma, Az
1 day ago · USGS 09529300
148 cfs 57.09 ft · 82°F 162 ft Lower Gila
Verde River Near Scottsdale, Az
1 day ago · USGS 09511300
93 cfs · · 82°F 1,359 ft Lower Verde
San Pedro R At Redington Bridge Nr Redington, Az
1 day ago · USGS 09472050
91 cfs 8.17 ft · 76°F 2,824 ft Lower San Pedro
Santa Cruz River At Cortaro, Az
1 day ago · USGS 09486500
73 cfs 8.86 ft · 77°F 2,139 ft Upper Santa Cruz
Gila River Near Clifton, Az
1 day ago · USGS 09442000
72 cfs 2.73 ft · 72°F 3,354 ft Upper Gila-Mangas
Poston Wasteway Near Poston, Az
1 day ago · USGS 09428510
67 cfs 24.58 ft · 77°F 332 ft Imperial Reservoir
Havasu Creek Abv Mouth Nr Supai, Az
1 day ago · USGS 09404115
66 cfs 6.99 ft 62°F 69°F 1,883 ft Havasu Canyon
Virgin R At Littlefield, Az
1 day ago · USGS 09415000
65 cfs 4.50 ft 85°F 83°F 1,773 ft Lower Virgin
Salt River Near Roosevelt, Az
1 day ago · USGS 09498500
64 cfs 5.53 ft · 79°F 2,185 ft Upper Salt
Salt River Near Chrysotile, Az
1 day ago · USGS 09497500
60 cfs 1.34 ft · 71°F 3,372 ft Upper Salt
Verde River Near Clarkdale, Az
1 day ago · USGS 09504000
52 cfs 1.53 ft · 70°F 3,517 ft Upper Verde
North Gila Main Canal Nr Yuma, Az
1 day ago · USGS 09522600
46 cfs 2.28 ft · 81°F 170 ft Lower Colorado
Verde R Blw Tangle Creek, Az
1 day ago · USGS 09508500
46 cfs 6.47 ft · 84°F 2,026 ft Lower Verde
Bill Williams River Below Alamo Dam, Az
1 day ago · USGS 09426000
36 cfs 12.28 ft · 82°F 975 ft Bill Williams
Oak Creek Near Sedona, Az
1 day ago · USGS 09504420
30 cfs 2.19 ft 70°F 72°F 4,199 ft Upper Verde
Verde River Near Camp Verde, Az
1 day ago · USGS 09506000
29 cfs 3.03 ft · 72°F 2,881 ft Lower Verde
Eagle Creek Above Pumping Plant, Az
1 day ago · USGS 09447000
27 cfs 1.64 ft · 72°F 3,661 ft Upper Gila-San Carlos Reservoir
Black River Near Fort Apache, Az
1 day ago · USGS 09490500
23 cfs 1.38 ft · 64°F 4,315 ft Black
Oak Creek Near Cornville, Az
1 day ago · USGS 09504500
22 cfs 1.95 ft · 71°F 3,480 ft Upper Verde
South Gila Main Canal Near Yuma, Az
1 day ago · USGS 09522800
21 cfs 12.32 ft · 83°F 166 ft Lower Gila
Gila River At Head Of Safford Valley, Az
1 day ago · USGS 09448500
21 cfs 6.05 ft · 74°F 3,074 ft Upper Gila-San Carlos Reservoir
Black River Blw Pumping Plant, Az
1 day ago · USGS 09489500
21 cfs 2.73 ft · 62°F 5,759 ft Black
Div. From Yuma Main Canal For Yuma Municipal, Az
1 day ago · USGS 09526000
19 cfs · · 82°F 117 ft Lower Colorado
Pantano Wash Near Vail, Az
1 day ago · USGS 09484600
18 cfs 4.76 ft · 70°F 3,183 ft Rillito
Verde River Near Paulden, Az
1 day ago · USGS 09503700
15 cfs 2.54 ft · 66°F 4,116 ft Upper Verde
Hassayampa River Near Arlington, Az
1 day ago · USGS 09517000
14 cfs 5.31 ft · 84°F 839 ft Hassayampa
Palo Verde Drain Nr. Parker, Az
1 day ago · USGS 09429030
14 cfs 10.51 ft · 82°F 292 ft Imperial Reservoir
West Clear Creek Near Camp Verde, Az
1 day ago · USGS 09505800
11 cfs 1.57 ft 78°F 72°F 3,638 ft Lower Verde
Enterprise Canal At Gillespie Dam, Az
1 day ago · USGS 09519000
10 cfs 1.72 ft · 84°F 749 ft Lower Gila-Painted Rock Reservoir
Nogales Wash At Nogales Ariz, Az
1 day ago · USGS 09481000
9 cfs 2.18 ft · 68°F 3,753 ft Upper Santa Cruz
San Francisco River At Clifton, Az
1 day ago · USGS 09444500
8 cfs 8.69 ft · 71°F 3,438 ft San Francisco
Wet Beaver Creek Near Rimrock, Az
1 day ago · USGS 09505200
7 cfs 2.80 ft · 72°F 4,020 ft Upper Verde
Gila River At Calva, Az
1 day ago · USGS 09466500
7 cfs 1.53 ft · 78°F 2,516 ft Upper Gila-San Carlos Reservoir
Levee Canal Wasteway Near Yuma, Az
1 day ago · USGS 09528800
5 cfs 1.46 ft · 81°F 137 ft Lower Colorado
East Fork White River Near Fort Apache, Az
1 day ago · USGS 09492400
5 cfs · · 67°F 6,013 ft White
Cibecue Creek Near Chysotile, Az
1 day ago · USGS 09497800
5 cfs 1.08 ft · 72°F 3,187 ft Upper Salt
Virgin R Abv The Narrows Nr Littlefield, Az
1 day ago · USGS 09413700
5 cfs 16.36 ft · 80°F 2,000 ft Lower Virgin
Gila Drain No. 1 Near Yuma, Az
1 day ago · USGS 09529000
4 cfs 3.70 ft · 81°F 132 ft Lower Colorado
Gila River Near Dome, Az
1 day ago · USGS 09520500
4 cfs 14.41 ft · 82°F 160 ft Lower Gila
Paria River At Lees Ferry, Az
1 day ago · USGS 09382000
4 cfs 4.23 ft · 77°F 3,137 ft Paria
White River Near Fort Apache, Az
1 day ago · USGS 09494000
4 cfs 1.97 ft · 66°F 4,373 ft White
Big Sandy River Near Wikieup, Az
1 day ago · USGS 09424450
4 cfs 6.93 ft · 81°F 1,400 ft Big Sandy
Santa Cruz River At Trico Road, Az
1 day ago · USGS 09486520
3 cfs 2.11 ft · 76°F 1,901 ft Lower Santa Cruz
Little Colorado River At Greer, Az
1 day ago · USGS 09383400
3 cfs 1.34 ft · 59°F 8,296 ft Little Colorado Headwaters
Little Colorado River Near Winslow, Az
1 day ago · USGS 09400350
3 cfs 10.50 ft · 67°F 4,856 ft Middle Little Colorado
Gila River At Kelvin, Az
1 day ago · USGS 09474000
3 cfs 6.25 ft · 79°F 1,756 ft Middle Gila
Bruce Church Wasteway Near Yuma, Az
1 day ago · USGS 09529250
3 cfs 1.78 ft · 81°F 138 ft Lower Gila
Spencer Creek Near Peach Springs, Az
1 day ago · USGS 09404222
2 cfs 3.48 ft · 79°F 1,616 ft Lake Mead
Cherry Creek Near Globe, Az
1 day ago · USGS 09497980
2 cfs 2.07 ft · 75°F 3,191 ft Upper Salt
Santa Cruz River At Tubac, Az
1 day ago · USGS 09481740
1 cfs 19.47 ft 60°F 67°F 3,161 ft Upper Santa Cruz
Diamond Creek Near Peach Springs, Az
1 day ago · USGS 09404208
1 cfs 7.45 ft · 77°F 1,393 ft Grand Canyon
Bonita Creek Near Morenci, Az
1 day ago · USGS 09447800
1 cfs 4.46 ft · 74°F 3,522 ft Upper Gila-San Carlos Reservoir
Gila River Below Coolidge Dam, Az
1 day ago · USGS 09469500
1 cfs · · 77°F 2,309 ft Middle Gila
Agua Fria River Near Humboldt, Az
1 day ago · USGS 09512450
1 cfs · · 70°F 4,381 ft Agua Fria
Queen Creek Below Whitlow Dam Nr Superior, Az
1 day ago · USGS 09478500
1 cfs · · 82°F 2,051 ft Middle Gila
Cienga Creek Near Sonoita, Az
1 day ago · USGS 09484550
1 cfs · · 65°F 4,171 ft Rillito
North Gila Main Canal Wasteway Near Yuma, Az
1 day ago · USGS 09529150
1 cfs 1.15 ft · 81°F 142 ft Lower Gila
Carrizo Creek Near Show Low, Az
1 day ago · USGS 09496500
1 cfs · · 68°F 4,755 ft Carrizo
East Verde R Div From East Clear Cr Nr Pine, Az
1 day ago · USGS 09507580
1 cfs 7.18 ft · 67°F 5,761 ft Lower Verde
Gardner Lateral Spill Near Parker, Az
1 day ago · USGS 09428505
0 cfs · · 77°F 342 ft Imperial Reservoir
Whitewater Draw Near Douglas, Az
1 day ago · USGS 09537500
0 cfs 4.30 ft · 66°F 3,918 ft Whitewater Draw
Del Rio Springs Near Chino Valley, Az
1 day ago · USGS 09502900
0 cfs · · 66°F 4,435 ft Upper Verde
North Gila Main Canal No. 2 Near Yuma, Az
1 day ago · USGS 09522650
0 cfs 2.12 ft · 82°F 178 ft Lower Colorado
Granite Creek At Prescott, Az
1 day ago · USGS 09502960
0 cfs 5.68 ft · 69°F 5,286 ft Upper Verde
Pinal Creek At Inspiration Dam, Az
1 day ago · USGS 09498400
0 cfs · · 76°F 2,755 ft Upper Salt
Chinle Creek Near Mexican Water, Az
1 day ago · USGS 09379200
0 cfs 1.12 ft · 61°F 4,736 ft Chinle
Little Colorado R Abv Lyman Lake Nr St. Johns, Az
1 day ago · USGS 09384000
0 cfs 1.85 ft · 70°F 6,006 ft Little Colorado Headwaters
Little Colorado R Blw Salado Springs, Az
1 day ago · USGS 09385700
0 cfs 7.98 ft · 70°F 5,783 ft Upper Little Colorado
Little Colorado River Ab Zion Res Nr St. Johns, Az
1 day ago · USGS 09386030
0 cfs · · 69°F 5,567 ft Upper Little Colorado
Little Colorado R Blw Zion Res Nr St. Johns, Az
1 day ago · USGS 09386300
0 cfs 3.41 ft · 71°F 5,517 ft Upper Little Colorado
Little Colorado River At Woodruff, Az
1 day ago · USGS 09394500
0 cfs 4.99 ft · 69°F 5,141 ft Upper Little Colorado
Show Low Creek Near Lakeside, Az
1 day ago · USGS 09390500
0 cfs · · 64°F 6,616 ft Silver
Jacks Canyon Cr Nr Winslow, Az
1 day ago · USGS 09399400
0 cfs 2.24 ft · 69°F 5,230 ft Middle Little Colorado
Chevelon Fork Below Wildcat Canyon, Az
1 day ago · USGS 09397500
0 cfs 1.01 ft · 67°F 5,910 ft Chevelon Canyon
Little Colorado River Near Cameron, Az
1 day ago · USGS 09402000
0 cfs 1.61 ft · 65°F 4,062 ft Lower Little Colorado
Moenkopi Wash At Moenkopi, Az
1 day ago · USGS 09401260
0 cfs 18.86 ft · 60°F 4,624 ft Moenkopi Wash
South Gila Terminal Canal Wasteway Nr Yuma, Az
1 day ago · USGS 09529420
0 cfs · · 80°F 155 ft Lower Colorado
Burro Creek At Old Us 93 Bridge Nr Bagdad, Az
1 day ago · USGS 09424447
0 cfs 4.26 ft · 78°F 1,910 ft Burro
Santa Maria River Near Bagdad, Az
1 day ago · USGS 09424900
0 cfs · · 83°F 1,375 ft Santa Maria
Bill Williams River Near Parker, Az
1 day ago · USGS 09426620
0 cfs 1.11 ft · 84°F 521 ft Bill Williams
San Carlos River Near Peridot, Az
1 day ago · USGS 09468500
0 cfs 2.76 ft · 77°F 2,560 ft San Carlos
Florence-Casa Grande Canal, Az
1 day ago · USGS 09475500
0 cfs · · 82°F 1,557 ft Middle Gila
Gila River Near Maricopa, Az
1 day ago · USGS 09479350
0 cfs · · 84°F 1,133 ft Middle Gila
Ramsey Canyon Near Sierra Vista, Az
1 day ago · USGS 09470750
0 cfs · · 64°F 5,534 ft Upper San Pedro
Garden Canyon Near Fort Huachuca, Az
1 day ago · USGS 09470800
0 cfs · · 66°F 5,362 ft Upper San Pedro
Banning Creek Near Bisbee, Az
1 day ago · USGS 09470700
0 cfs 1.43 ft · 66°F 4,845 ft Upper San Pedro
Huachuca Canyon Near Fort Huachuca, Az
1 day ago · USGS 09471310
0 cfs 1.94 ft · 66°F 5,615 ft Upper San Pedro
Upper Babocomari River Near Huachuca City, Az
1 day ago · USGS 09471380
0 cfs 4.47 ft · 67°F 4,467 ft Upper San Pedro
Babocomari River Near Tombstone, Az
1 day ago · USGS 09471400
0 cfs · · 66°F 3,979 ft Upper San Pedro
Aravaipa Creek Near Mammoth, Az
1 day ago · USGS 09473000
0 cfs · · 78°F 2,350 ft Lower San Pedro
Santa Cruz River Near Nogales, Az
1 day ago · USGS 09480500
0 cfs · · 66°F 3,710 ft Upper Santa Cruz
Santa Cruz River Near Lochiel, Az
1 day ago · USGS 09480000
0 cfs 5.04 ft · 62°F 4,642 ft Upper Santa Cruz
Santa Cruz River At Continental, Az
1 day ago · USGS 09482000
0 cfs 1.15 ft · 72°F 2,813 ft Upper Santa Cruz
Canada Del Oro Blw Ina Road, Az
1 day ago · USGS 09486350
0 cfs 4.11 ft · 78°F 2,239 ft Upper Santa Cruz
Santa Cruz River At Tucson, Az
1 day ago · USGS 09482500
0 cfs · · 77°F 2,339 ft Upper Santa Cruz
Rincon Creek Near Tucson, Az
1 day ago · USGS 09485000
0 cfs 1.90 ft · 73°F 3,134 ft Rillito
Pantano Wash At Broadway Blvd. At Tucson, Az
1 day ago · USGS 09485450
0 cfs · · 76°F 2,583 ft Rillito
Tanque Verde Creek At Tucson, Az
1 day ago · USGS 09484500
0 cfs 4.94 ft · 77°F 2,478 ft Rillito
Rillito Creek At Dodge Boulevard, Az
1 day ago · USGS 09485700
0 cfs 3.08 ft · 77°F 2,380 ft Rillito
Rillito Creek At La Cholla Blvd Near Tucson, Az
1 day ago · USGS 09486055
0 cfs 1.82 ft · 78°F 2,254 ft Rillito
Sabino Creek Near Tucson, Az
1 day ago · USGS 09484000
0 cfs · · 75°F 2,723 ft Rillito
Santa Cruz River Near Laveen, Az
1 day ago · USGS 09489000
0 cfs 8.24 ft · 90°F 1,032 ft Lower Santa Cruz
Altar Wash Near Three Points, Az
1 day ago · USGS 09486800
0 cfs 1.20 ft · 71°F 2,977 ft Brawley Wash
Brawley Wash Near Three Points, Az
1 day ago · USGS 09487000
0 cfs 5.67 ft · 76°F 2,534 ft Brawley Wash
Pinto Cr Blw Haunted Canyon Nr Miami, Az
1 day ago · USGS 09498501
0 cfs 4.78 ft · 76°F 3,178 ft Upper Salt
Pinto Creek Near Miami, Az
1 day ago · USGS 09498502
0 cfs · · 77°F 2,880 ft Upper Salt
South Fork Parker Creek Near Roosevelt, Az
1 day ago · USGS 09498503
0 cfs · · 66°F 5,425 ft Upper Salt
Tonto Creek Abv Gun Creek, Az
1 day ago · USGS 09499000
0 cfs · · 79°F 2,523 ft Tonto
Salt River At Priest Drive Near Phoenix, Az
1 day ago · USGS 09512165
0 cfs 1.06 ft · 86°F 1,158 ft Lower Salt
Cave Creek Blw Cottonwood Cr Near Cave Creek, Az
1 day ago · USGS 09512280
0 cfs 2.64 ft · 80°F 2,272 ft Lower Salt
Williamson Valley Wash Near Paulden, Az
1 day ago · USGS 09502800
0 cfs 1.74 ft · 65°F 4,451 ft Big Chino-Williamson Valley
Granite Creek Near Prescott, Az
1 day ago · USGS 09503000
0 cfs 4.29 ft · 69°F 5,256 ft Upper Verde
Granite Creek Blw Watson Lake Nr Prescott, Az
1 day ago · USGS 09503300
0 cfs 1.49 ft · 72°F 5,006 ft Upper Verde
Dry Beaver Creek Near Rimrock, Az
1 day ago · USGS 09505350
0 cfs 1.32 ft · 72°F 3,703 ft Upper Verde
Sycamore Creek Near Fort Mcdowell, Az
1 day ago · USGS 09510200
0 cfs · · 82°F 1,763 ft Lower Verde
Wet Bottom Creek Near Childs, Az
1 day ago · USGS 09508300
0 cfs 2.81 ft 46°F 81°F 2,343 ft Lower Verde
East Verde River Near Childs, Az
1 day ago · USGS 09507980
0 cfs 10.89 ft · 81°F 2,590 ft Lower Verde
Gila River At Estrella Parkway, Az
1 day ago · USGS 09514100
0 cfs 3.45 ft · 87°F 915 ft Lower Gila-Painted Rock Reservoir
Agua Fria River Near Rock Springs, Az
1 day ago · USGS 09512800
0 cfs 2.40 ft · 82°F 1,794 ft Agua Fria
Skunk Creek Near Phoenix, Az
1 day ago · USGS 09513860
0 cfs · · 82°F 1,475 ft Agua Fria
New River Near Rock Springs, Az
1 day ago · USGS 09513780
0 cfs · · 82°F 2,316 ft Agua Fria
Agua Fria River Near Mayer, Az
1 day ago · USGS 09512500
0 cfs 2.06 ft · 70°F 3,455 ft Agua Fria
Hassayampa River Near Morristown, Az
1 day ago · USGS 09516500
0 cfs 5.73 ft · 81°F 1,854 ft Hassayampa
Centennial Wash At Southern Pacific Railroad Brdg, Az
1 day ago · USGS 09517490
0 cfs 4.59 ft · 83°F 852 ft Centennial Wash
Gila River Near Dateland, Az
1 day ago · USGS 09520280
0 cfs 2.59 ft · 83°F 367 ft Lower Gila
Gila River Below Painted Rock Dam, Az
1 day ago · USGS 09519800
0 cfs · · 84°F 537 ft Lower Gila-Painted Rock Reservoir
Leslie Creek Near Mcneal, Az
1 day ago · USGS 09537200
0 cfs 1.42 ft · 66°F 4,641 ft Whitewater Draw
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Whitewater & paddle

Arizona river runs

Paddleable river sections in Arizona keyed to USGS gauges, with live streamflow and whitewater class.

River run Status Streamflow Air temp Class
Christopher Creek Too High 443 cfs 83°F V
Christopher Creek Too High 443 cfs 83°F V
Christopher Creek Too High 443 cfs 83°F V
Grand Canyon Runnable 9,320 cfs 82°F III TO IV
Hell's Gate Canyon Too Low 15 cfs 81°F V
Indian Gardens Too Low 30 cfs 76°F IV- TO IV+
Kelvin Run · · 73°F I TO II-
Lower Salt Runnable 575 cfs 90°F I
Lower Verde Runnable 127 cfs 88°F I TO II
Upper Salt Daily · · 67°F III TO IV
White Bridge To Beasley Flat · · 66°F II- TO II
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Flow report FAQ

About Arizona streamflow

Where does the Arizona streamflow data come from?

The U.S. Geological Survey National Water Information System. USGS streamgauges report continuously (every 15 minutes) and the data is the canonical real-time record for U.S. rivers. Snoflo pulls the latest readings and joins them to a 7-day NOAA weather forecast for each station.

What is cfs?

Cubic feet per second — the standard unit for streamflow. One cfs is about 7.5 gallons per second. Small creeks run at single-digit cfs; the Mississippi at hundreds of thousands.

What does Gauge Height mean?

The water level at the gauge in feet above the reference datum. Used together with discharge to track river state. Flood stage and runnable levels are typically expressed in gauge height (e.g., "flood at 16 ft").

How fresh is the Arizona data?

USGS streamgauges report every 15 minutes; Snoflo re-pulls throughout the day. The AI briefing regenerates daily.

Can I get a flow alert for a Arizona gauge?

Yes. Save any USGS gauge as a favorite in the Snoflo iOS app, set a discharge or stage threshold (e.g. "alert me when discharge crosses 2,000 cfs"), and you'll get a push the moment it crosses.

Is this a substitute for an NWS flood warning?

No. Snoflo is informational. For flood life-safety decisions always follow guidance from your local NWS forecast office and state emergency management. Snoflo data is one input among several.