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USGS Daily Statistics for Hawaii

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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 16604500 Wailuku River at Kepaniwai Park, Maui, HI


Maui County, Hawaii
Hydrologic Unit Code 20020000
Latitude  20°52'56.6", Longitude 156°32'21.4" NAD83
Drainage area 6.13  square miles
Gage datum 780 feet above LMSL
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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 1982-10-01 -> 2022-09-30)

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 84 60 77 85 63 54 43 58 46 52 44 92
2 94 63 53 73 59 46 51 60 52 45 54 93
3 114 67 52 67 62 45 55 60 50 43 48 67
4 84 61 72 72 67 46 49 56 52 46 71 71
5 65 61 64 77 91 47 51 49 47 40 65 66
6 49 60 80 84 80 52 52 56 45 36 48 78
7 49 48 71 102 78 58 64 67 51 39 41 85
8 45 45 105 96 85 45 63 64 45 40 51 65
9 56 35 111 102 70 43 61 71 39 39 54 76
10 54 40 77 116 63 50 58 78 34 36 61 60
11 48 53 55 83 56 45 54 76 37 43 65 65
12 48 54 66 91 75 50 56 70 60 48 65 56
13 56 62 75 92 81 41 61 64 64 41 72 53
14 65 87 80 83 71 44 62 58 46 39 91 53
15 66 76 91 67 71 45 80 59 55 48 84 44
16 64 62 74 64 58 53 64 73 44 67 65 47
17 61 58 102 74 53 54 65 56 51 68 56 50
18 78 66 82 66 53 55 63 54 57 62 71 37
19 68 61 68 68 55 59 68 55 47 53 82 44
20 74 65 85 77 60 68 67 62 43 54 66 67
21 62 59 98 74 50 55 79 59 39 39 72 64
22 58 55 137 66 41 48 87 61 36 42 66 52
23 54 43 101 74 46 49 75 66 46 62 80 73
24 52 46 102 63 44 52 67 59 42 68 68 65
25 53 68 84 68 41 70 56 48 37 48 63 71
26 65 66 76 67 43 57 79 54 47 48 57 61
27 70 74 83 88 44 49 68 63 55 58 69 55
28 73 69 79 68 40 52 74 54 43 54 77 50
29 90 55 94 75 41 45 81 48 45 49 83 49
30 65   88 68 48 44 66 42 53 49 93 62
31 74   84   58   54 45   44   88