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USGS Daily Statistics for the Nation

The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

USGS 01305500 SWAN RIVER AT EAST PATCHOGUE NY


Suffolk County, New York
Hydrologic Unit Code 02030202
Latitude  40°46'02.1", Longitude  72°59'37.8" NAD83
Drainage area 8.07  square miles
Gage datum 2.84 feet above NGVD29
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00060, Discharge, cubic feet per second,
Day of
month		 Mean of daily mean values for each day for water year of record in, ft3/s   (Calculation Period 1946-10-01 -> 2024-09-30)

Calculation period restricted by USGS staff due to special conditions at/near site
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 12 12 13 14 14 14 13 12 11 11 11 11
2 12 13 13 14 14 14 13 12 11 11 11 11
3 12 13 13 14 14 14 12 12 11 11 11 12
4 12 13 13 14 14 14 12 12 11 11 11 12
5 12 13 13 14 14 14 13 11 11 11 11 12
6 12 13 13 14 14 14 12 11 11 11 11 12
7 12 13 13 14 14 13 12 11 11 11 11 12
8 12 13 13 14 14 13 12 11 11 11 11 11
9 12 12 13 14 14 13 12 11 11 11 11 12
10 12 13 13 14 14 13 12 12 11 11 11 12
11 12 13 13 14 14 13 12 12 11 11 11 12
12 12 13 13 14 14 13 12 12 11 11 11 12
13 12 13 14 14 14 14 12 12 11 11 12 12
14 13 13 14 14 14 13 12 12 11 11 11 12
15 12 13 13 14 14 13 12 12 11 11 11 12
16 12 13 13 14 14 13 12 11 11 11 11 12
17 12 13 13 14 14 13 12 11 11 11 11 12
18 12 13 13 14 14 13 12 11 11 11 11 12
19 12 13 13 14 14 13 12 11 11 11 11 12
20 12 13 13 14 14 13 12 11 11 11 11 12
21 12 13 14 14 14 13 12 11 11 11 11 12
22 12 13 14 14 14 13 12 11 11 11 11 12
23 13 13 13 15 14 13 12 11 11 11 11 12
24 13 13 14 14 14 13 12 11 11 11 11 12
25 13 13 13 14 14 13 12 11 11 11 12 12
26 13 13 14 14 14 13 12 11 11 11 12 12
27 13 13 14 14 14 13 12 11 11 11 11 12
28 13 13 14 14 13 13 12 11 11 11 12 12
29 13 13 14 14 14 13 12 11 11 11 12 12
30 13   14 14 14 13 12 11 11 11 12 12
31 12   14   14   12 11   11   12