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USGS Surface-Water 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 16210200 Kaukonahua Stream blw Wahiawa Reservoir, Oahu, HI


Honolulu County, Hawaii
Hydrologic Unit Code 20060000
Latitude  21°30'00.9", Longitude 158°03'03.9" NAD83
Drainage area 16.7  square miles
Gage datum 760 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 2012-10-01 -> 2024-09-30)

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
1 126 41 46 39 49 26 20 34 52 40 31 63
2 72 39 50 29 49 29 20 35 40 39 28 67
3 60 37 50 37 47 30 20 38 34 37 31 62
4 54 39 48 44 46 30 26 36 34 35 25 62
5 49 42 48 46 47 32 29 35 33 31 20 65
6 42 44 51 46 46 32 32 34 31 31 23 65
7 44 42 50 44 48 30 36 30 31 38 24 67
8 50 43 51 41 43 27 43 28 32 44 23 66
9 53 41 74 41 42 25 40 28 33 45 28 57
10 51 37 74 36 43 26 36 27 34 47 32 48
11 67 36 63 33 38 27 31 28 34 51 29 42
12 108 36 64 36 37 31 28 31 35 53 27 38
13 65 40 52 41 41 35 29 33 36 53 29 37
14 45 48 42 41 44 38 30 33 36 49 32 36
15 53 53 50 40 39 39 37 32 47 46 32 40
16 38 51 77 39 33 41 43 29 38 41 31 46
17 34 50 84 39 33 40 44 27 37 37 30 48
18 34 49 84 46 34 36 45 22 37 31 30 51
19 38 46 77 44 28 35 51 20 35 34 29 48
20 36 40 45 43 20 34 55 24 36 39 28 49
21 33 37 46 40 13 30 35 29 38 40 32 52
22 26 39 28 42 12 29 37 31 42 42 44 61
23 28 40 28 40 15 26 42 31 41 44 49 63
24 33 45 30 41 17 23 46 35 40 38 55 59
25 36 36 35 35 17 23 49 40 37 39 56 58
26 39 35 41 42 18 23 48 42 46 41 59 57
27 45 36 45 46 20 28 45 42 62 40 81 62
28 45 38 46 46 25 30 43 42 66 37 52 67
29 45 12 49 47 64 23 39 47 50 35 53 63
30 44   52 47 38 20 37 56 54 36 57 65
31 40   47   23   34 56   34   99