St. Johns River at Astor, FL

USGS Site No: 02236125St. Johns River • Volusia County, FL

St. Johns River at Astor, FL on the St. Johns River is currently at 694 cfs (Low — 20th percentile for this date) . Gage height: 0.92 ft.

Reading from

694
CFS Discharge
0.92
Gage Height (ft)
Low
Flow Condition
Normal
Flood Status

Historical Percentile Comparison

Today's discharge compared to the long-term record for June 11 at this station. Percentile rank shows what fraction of historical years had lower flow on this date.

Percentile Label CFS Threshold Today's Flow
10th Very Low threshold -98
25th Low threshold 1,100 Today: 694 cfs
50th (Median) Normal (median) 1,980
75th High threshold 2,930
95th Very High threshold 4,860

30-Day Hydrograph

Recent discharge plotted against the historical 10th–95th percentile envelope for the same calendar days. Source: USGS daily values + long-term statistics.

8.5k 4.2k 0 cfs Apr 6 May 28
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 28, 2026 1,610 0.82
May 27, 2026 1,880 0.83
May 26, 2026 2,460 0.90
May 25, 2026 2,470 1.03
May 24, 2026 2,230 1.14
May 23, 2026 1,790 1.18
May 22, 2026 2,310 1.25
May 21, 2026 1,520 1.34
May 20, 2026 1,010 1.38
May 19, 2026 1,250 1.40
May 18, 2026 1,200 1.43
May 17, 2026 1,780 1.47
May 16, 2026 1,320 1.53
May 15, 2026 -840 1.53
Apr 21, 2026 1,060 1.28
Apr 20, 2026 -1,080 1.22
Apr 19, 2026 1,050 1.01
Apr 18, 2026 2,190 0.98
Apr 17, 2026 2,600 1.04
Apr 16, 2026 3,180 1.13
Apr 15, 2026 2,990 1.24
Apr 14, 2026 3,280 1.35
Apr 13, 2026 3,280 1.51
Apr 12, 2026 2,800 1.71
Apr 11, 2026 -1,050 1.92
Apr 10, 2026 1.98
Apr 9, 2026 1.83
Apr 8, 2026 -2,630 1.46
Apr 7, 2026 -2,020 1.09
Apr 6, 2026 8 0.77

Station Information

USGS Site No
02236125
State
FL
Coordinates
29.1669, -81.5221
Drainage Area
3,330 mi²
HUC Code
03080101
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
2.0 ft
Flood Stage
2.3 ft
Moderate Flood
3.0 ft
Major Flood
4.0 ft

Currently 1.38 ft below flood stage.

Recent Extremes

Max discharge
10,000 cfs
Nov 12, 2025
Min discharge
-2,630 cfs
Apr 8, 2026
Days at flood stage
68

Computed from the local daily-values archive.

Nearby Gauges