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USGS Daily Statistics for Maine

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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 -> 2021-09-30)

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 1,130 2,780 7,340 2,940 1,720 971 972 1,240 1,800 2,000
2 1,280 995 1,120 2,950 7,080 2,930 1,700 926 938 1,230 1,720 1,910
3 1,260 1,010 1,110 3,190 6,780 2,890 1,620 930 919 1,160 1,770 1,840
4 1,260 1,070 1,100 3,390 6,700 2,770 1,550 916 955 1,150 2,120 1,800
5 1,230 1,100 1,090 3,530 6,560 2,680 1,570 919 943 1,140 2,100 1,680
6 1,210 1,110 1,090 3,540 6,230 2,570 1,550 916 901 1,110 1,980 1,640
7 1,230 1,080 1,120 3,550 6,030 2,500 1,560 901 884 1,120 1,880 1,770
8 1,200 1,060 1,130 3,730 5,880 2,550 1,530 912 865 1,170 1,900 1,750
9 1,170 1,050 1,150 3,790 5,770 2,510 1,570 916 851 1,180 2,090 1,660
10 1,180 1,030 1,180 3,860 5,660 2,370 1,480 936 891 1,210 2,130 1,670
11 1,160 1,010 1,210 3,870 5,500 2,280 1,460 1,010 889 1,170 2,030 1,690
12 1,160 1,020 1,250 3,920 5,190 2,270 1,370 1,020 994 1,070 1,930 1,770
13 1,160 1,050 1,320 4,100 5,070 2,300 1,330 977 1,010 1,100 1,830 1,820
14 1,140 1,040 1,390 4,510 4,930 2,280 1,290 987 992 1,100 1,840 1,900
15 1,180 1,030 1,380 4,850 4,730 2,190 1,250 973 1,000 1,110 1,850 1,810
16 1,180 1,010 1,360 5,130 4,580 2,170 1,300 938 977 1,250 1,890 1,740
17 1,150 1,000 1,390 5,270 4,380 2,110 1,240 903 963 1,370 1,950 1,650
18 1,130 1,010 1,450 5,580 4,290 2,160 1,210 906 982 1,440 1,900 1,610
19 1,140 1,000 1,540 5,760 4,260 2,230 1,190 959 910 1,340 1,820 1,590
20 1,150 989 1,710 5,930 4,180 2,110 1,200 967 886 1,270 1,830 1,550
21 1,130 992 1,750 6,220 4,050 2,050 1,170 924 882 1,400 1,860 1,550
22 1,130 1,010 1,810 6,490 3,820 1,960 1,160 906 877 1,440 1,820 1,620
23 1,120 1,040 1,880 6,720 3,710 1,960 1,160 893 912 1,350 1,810 1,570
24 1,090 1,050 1,880 7,010 3,530 1,870 1,110 865 966 1,510 1,760 1,550
25 1,060 1,090 1,900 7,060 3,440 1,770 1,100 881 1,030 1,750 1,710 1,580
26 1,110 1,110 2,020 7,090 3,420 1,780 1,070 922 1,030 1,900 1,790 1,590
27 1,120 1,110 2,140 7,060 3,450 1,770 1,120 901 1,060 1,930 1,830 1,540
28 1,100 1,120 2,230 7,220 3,330 1,730 1,090 876 1,080 1,760 1,910 1,480
29 1,080 1,190 2,370 7,450 3,260 1,730 1,100 994 1,220 1,800 1,940 1,450
30 1,040   2,480 7,650 3,140 1,750 1,110 1,020 1,190 1,820 1,990 1,380
31 1,020   2,620   3,030   1,100 971   1,830   1,340