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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 01029500 East Branch Penobscot River at Grindstone, Maine


Penobscot County, Maine
Hydrologic Unit Code 01020002
Latitude  45°43'49", Longitude  68°35'22" NAD83
Drainage area 837  square miles
Contributing drainage area 1,086.0  square miles
Gage datum 294.74 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 1902-10-01 -> 2020-09-30)

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 1,300 1,020 1,140 2,790 7,370 2,940 1,730 976 979 1,250 1,780 2,010
2 1,280 996 1,130 2,960 7,090 2,940 1,710 931 945 1,240 1,690 1,920
3 1,260 1,010 1,110 3,180 6,780 2,900 1,630 935 925 1,170 1,750 1,850
4 1,260 1,080 1,100 3,350 6,710 2,780 1,560 922 962 1,160 2,100 1,810
5 1,230 1,100 1,090 3,470 6,550 2,700 1,580 923 950 1,150 2,090 1,690
6 1,210 1,110 1,090 3,480 6,230 2,580 1,560 920 907 1,120 1,970 1,640
7 1,230 1,090 1,120 3,480 6,020 2,520 1,570 906 890 1,130 1,880 1,780
8 1,200 1,070 1,130 3,680 5,880 2,560 1,540 917 870 1,180 1,900 1,760
9 1,170 1,060 1,150 3,750 5,770 2,520 1,580 921 856 1,190 2,090 1,670
10 1,180 1,030 1,180 3,820 5,670 2,380 1,480 942 896 1,210 2,140 1,660
11 1,170 1,010 1,220 3,840 5,510 2,290 1,470 1,020 894 1,170 2,030 1,670
12 1,160 1,020 1,250 3,900 5,190 2,290 1,370 1,030 1,000 1,080 1,930 1,760
13 1,160 1,060 1,330 4,090 5,080 2,310 1,340 983 1,010 1,110 1,840 1,820
14 1,140 1,050 1,400 4,430 4,930 2,290 1,300 994 998 1,090 1,840 1,900
15 1,180 1,030 1,380 4,760 4,730 2,200 1,260 980 1,010 1,100 1,850 1,770
16 1,180 1,010 1,360 5,070 4,590 2,180 1,310 945 983 1,250 1,890 1,690
17 1,150 1,000 1,390 5,230 4,380 2,130 1,250 909 969 1,360 1,960 1,610
18 1,130 1,010 1,460 5,550 4,290 2,170 1,220 912 989 1,400 1,910 1,580
19 1,140 1,000 1,540 5,750 4,270 2,250 1,190 963 916 1,300 1,830 1,570
20 1,150 992 1,720 5,920 4,180 2,120 1,210 972 890 1,270 1,830 1,530
21 1,130 996 1,760 6,210 4,060 2,070 1,180 930 885 1,400 1,870 1,540
22 1,130 1,020 1,810 6,490 3,820 1,980 1,170 911 880 1,440 1,830 1,610
23 1,120 1,040 1,880 6,730 3,710 1,970 1,160 898 916 1,350 1,820 1,560
24 1,090 1,060 1,880 7,030 3,540 1,890 1,120 870 970 1,510 1,770 1,550
25 1,070 1,100 1,910 7,080 3,450 1,790 1,100 886 1,040 1,750 1,720 1,570
26 1,110 1,110 2,030 7,120 3,430 1,790 1,080 928 1,040 1,900 1,790 1,580
27 1,120 1,120 2,150 7,090 3,460 1,780 1,130 906 1,070 1,930 1,840 1,530
28 1,100 1,130 2,240 7,250 3,340 1,740 1,090 882 1,080 1,740 1,920 1,480
29 1,080 1,210 2,380 7,480 3,260 1,740 1,110 1,000 1,230 1,790 1,950 1,450
30 1,040   2,490 7,690 3,140 1,770 1,110 1,030 1,190 1,820 2,000 1,380
31 1,020   2,620   3,030   1,100 978   1,830   1,340