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USGS Daily Statistics for Massachusetts

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ICE EFFECTS ON STREAMFLOW

The formation of ice on rivers can cause discharge values to appear unusually high. Display of these erroneous discharge data may result in improper assessment of flow conditions and misuse of the data. For this reason, display of discharge values for streams significantly affected by ice may be disabled from view. Display of discharge data will resume when ice conditions are no longer present. Discharge values for streams minimally affected by ice will continue to be displayed. Flows for streams with these conditions appear to increase during the night and decrease to near-base-line conditions around midday. To estimate the correct discharge for these streams, use the flow rate that corresponds to the bottom of the discharge curve, rather than the peak that corresponds to the top of the curve. Note that this method of estimation is possible only when no surface runoff is occurring. Daily mean discharges for periods of both significant and minimal ice-effect will be estimated and published in the Annual Water-Data Report for the water year in which they occurred.


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 01101000 PARKER RIVER AT BYFIELD, MA


Essex County, Massachusetts
Hydrologic Unit Code 01090001
Latitude  42°45'10", Longitude  70°56'46" NAD27
Drainage area 21.3  square miles
Contributing drainage area 21.3  square miles
Gage datum 22.68 feet above NAVD88
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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 1945-10-01 -> 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 45 51 63 106 62 36 16 9.3 6 9.6 22 39
2 45 50 63 110 61 38 17 9 6.1 9.3 22 39
3 44 49 64 110 59 39 17 8.5 6.4 9 22 39
4 44 50 65 108 58 39 17 8 6.5 9.5 23 39
5 44 51 66 109 56 39 16 7.5 6.5 10 24 39
6 43 50 67 110 54 39 15 6.9 6.2 11 24 40
7 42 49 70 109 53 40 14 6.5 6.3 13 25 42
8 42 47 72 103 51 42 13 6.4 6.2 14 25 44
9 42 46 72 96 51 41 13 6.9 6.1 14 26 45
10 43 45 73 90 51 39 13 7.7 5.9 13 27 48
11 45 44 73 86 52 36 12 7.8 6 13 29 49
12 44 44 73 83 52 34 12 7.9 6.6 13 29 50
13 44 44 74 80 52 33 11 8.3 7 13 29 49
14 44 44 76 78 55 33 11 8.2 7 13 31 49
15 44 44 85 76 58 32 11 8.1 7 13 33 49
16 43 46 89 76 56 31 10 7.9 7.1 14 34 48
17 42 47 89 78 54 29 9.7 7.8 7.1 14 34 48
18 42 48 89 77 52 27 9.3 8.1 7.8 14 34 48
19 41 51 91 75 51 25 8.9 8.4 9.1 14 33 49
20 40 52 92 72 49 23 8.4 8.4 9.9 16 32 47
21 40 51 93 69 48 22 8.1 8.3 9.5 23 32 46
22 40 51 96 68 46 20 8 8 9 26 32 46
23 42 52 101 67 44 20 8.6 7.8 8.7 25 33 45
24 44 53 102 67 43 19 9.8 7.5 8.7 23 33 46
25 48 58 99 67 43 18 11 7.5 8.8 22 34 46
26 55 63 97 66 43 18 10 7.1 9 21 35 46
27 60 64 97 65 43 17 9.8 6.7 9.7 21 37 47
28 61 64 96 64 41 17 9.5 6.4 10 21 39 49
29 60 65 97 64 39 17 9.4 6.3 10 22 39 48
30 57   101 63 37 17 9.3 6.3 10 22 38 47
31 54   106   36   9.3 6.3   22   46