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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 15101490 GREENS C AT GREENS CREEK MINE NR JUNEAU AK


Juneau City And Borough, Alaska
Hydrologic Unit Code 190102040801
Latitude  58°05'00", Longitude 134°37'54" NAD27
Drainage area 8.9  square miles
Gage datum 870.0 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 1988-10-01 -> 2025-09-30)

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 20 16 13 14 56 111 69 41 47 68 46 30
2 19 16 12 15 63 107 68 39 50 61 44 34
3 18 15 11 15 63 104 67 42 46 58 46 27
4 18 14 11 13 64 106 66 44 47 59 47 26
5 17 14 9.9 14 61 103 62 41 49 61 41 35
6 15 15 9.7 15 64 99 62 43 49 68 36 35
7 14 13 9.3 16 64 99 59 40 53 65 33 26
8 15 12 11 17 63 97 58 40 52 69 30 25
9 16 15 9.5 18 66 95 59 43 55 79 32 26
10 16 16 11 17 71 95 60 40 53 66 31 24
11 15 13 11 16 78 93 56 38 53 63 29 25
12 14 16 13 17 81 90 57 44 50 65 30 23
13 20 15 13 18 82 88 58 43 52 72 32 26
14 31 14 11 19 84 86 59 39 55 68 34 26
15 24 15 9 21 85 88 58 40 54 64 34 22
16 20 13 9.2 24 87 90 57 42 49 62 31 22
17 28 12 9.8 27 90 89 56 47 53 61 33 20
18 20 11 11 31 87 87 54 42 63 63 31 21
19 18 11 9.7 33 87 84 54 40 61 73 31 20
20 17 10 9.6 34 90 87 52 39 62 73 31 18
21 24 10 11 35 97 85 48 39 80 66 39 18
22 26 11 11 36 97 82 48 43 82 67 36 21
23 20 12 11 40 97 84 50 45 88 64 34 25
24 17 12 10 41 100 83 53 41 84 56 30 28
25 19 17 9.9 42 107 80 52 43 82 58 29 27
26 22 15 10 45 108 77 51 42 74 58 32 28
27 19 15 11 48 105 73 52 41 71 56 28 25
28 18 17 12 49 110 74 52 47 78 43 26 22
29 20 22 13 53 111 74 48 45 74 40 24 20
30 20   14 53 107 73 46 41 71 39 25 22
31 22   13   112   44 45   41   18