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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 94 - 97 years of record in, ft3/s   (Calculation Period 1902-10-01 -> 2018-09-30)

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 1,010 1,130 2,780 7,220 2,950 1,700 981 987 1,240 1,780 2,030
2 1,280 984 1,120 2,940 6,990 2,950 1,690 936 953 1,260 1,700 1,940
3 1,270 1,000 1,100 3,170 6,690 2,920 1,610 941 930 1,180 1,730 1,870
4 1,260 1,070 1,100 3,340 6,620 2,800 1,550 925 969 1,160 2,060 1,830
5 1,230 1,090 1,090 3,460 6,450 2,720 1,570 926 958 1,150 2,070 1,700
6 1,220 1,100 1,090 3,470 6,120 2,610 1,560 925 916 1,120 1,960 1,640
7 1,240 1,080 1,120 3,480 5,940 2,540 1,570 913 899 1,130 1,860 1,780
8 1,210 1,060 1,130 3,680 5,830 2,590 1,540 925 879 1,190 1,890 1,760
9 1,170 1,050 1,150 3,750 5,750 2,550 1,590 926 864 1,200 2,080 1,680
10 1,180 1,020 1,180 3,830 5,650 2,400 1,490 947 905 1,230 2,130 1,670
11 1,170 1,000 1,210 3,850 5,500 2,310 1,480 1,030 904 1,190 2,030 1,680
12 1,170 1,010 1,250 3,910 5,180 2,310 1,380 1,040 1,010 1,080 1,930 1,780
13 1,160 1,050 1,330 4,090 5,070 2,340 1,350 991 1,020 1,110 1,830 1,830
14 1,130 1,040 1,400 4,430 4,930 2,310 1,300 1,000 1,010 1,090 1,840 1,910
15 1,170 1,020 1,380 4,740 4,740 2,220 1,270 990 1,020 1,110 1,860 1,780
16 1,170 1,010 1,360 5,020 4,600 2,200 1,320 954 988 1,270 1,900 1,710
17 1,140 999 1,390 5,190 4,400 2,150 1,260 918 973 1,380 1,970 1,620
18 1,120 1,010 1,460 5,510 4,320 2,200 1,230 920 1,000 1,410 1,920 1,590
19 1,130 999 1,540 5,690 4,300 2,270 1,200 969 926 1,320 1,840 1,580
20 1,140 989 1,730 5,830 4,220 2,140 1,220 979 897 1,280 1,820 1,540
21 1,120 991 1,770 6,070 4,070 2,080 1,180 938 892 1,420 1,870 1,550
22 1,120 1,010 1,820 6,340 3,840 1,990 1,170 920 885 1,460 1,830 1,600
23 1,110 1,030 1,890 6,590 3,730 1,990 1,170 906 922 1,360 1,820 1,520
24 1,080 1,050 1,890 6,910 3,560 1,910 1,120 878 976 1,500 1,770 1,520
25 1,050 1,090 1,910 6,980 3,450 1,800 1,110 895 1,040 1,750 1,720 1,560
26 1,090 1,100 2,030 6,970 3,430 1,800 1,090 937 1,040 1,900 1,790 1,570
27 1,100 1,110 2,160 6,880 3,450 1,790 1,130 915 1,070 1,930 1,840 1,530
28 1,080 1,120 2,250 6,990 3,330 1,750 1,100 891 1,090 1,760 1,930 1,480
29 1,060 1,210 2,400 7,290 3,250 1,740 1,110 1,010 1,240 1,800 1,960 1,450
30 1,030   2,500 7,520 3,130 1,750 1,120 1,040 1,210 1,820 2,020 1,380
31 1,000   2,630   3,040   1,110 985   1,830   1,350