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USGS Surface-Water 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 11102300 RIO HONDO BL WHITTIER NARROWS DAM CA


Los Angeles County, California
Hydrologic Unit Code 18070105
Latitude  34°01'00", Longitude 118°05'15" NAD27
Drainage area 124  square miles
Gage datum 177.06 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 1966-10-01 -> 2023-09-30)

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 82 111 748 127 85 69 44 54 49 105 69 98
2 111 139 754 98 72 71 46 58 48 51 68 98
3 119 150 550 90 85 77 46 51 52 47 72 100
4 262 141 531 113 74 81 41 45 55 48 81 166
5 324 115 529 108 85 97 40 42 64 97 79 109
6 270 347 355 105 137 77 39 39 56 55 83 176
7 402 289 260 100 80 77 41 37 46 59 95 254
8 241 355 302 72 87 68 45 38 42 63 108 103
9 541 401 153 91 96 66 54 36 44 59 100 89
10 749 330 165 90 89 69 50 34 52 57 94 108
11 589 340 224 111 77 72 52 35 69 70 103 123
12 258 400 117 94 99 78 54 36 50 62 87 124
13 228 230 167 94 97 80 54 33 50 65 72 127
14 345 409 156 115 80 78 53 32 54 69 71 114
15 371 407 322 114 83 81 57 30 69 64 68 122
16 352 456 243 90 86 107 54 35 54 63 78 195
17 303 572 242 90 83 78 55 49 44 80 82 114
18 348 458 153 114 79 81 58 33 41 65 92 167
19 244 705 211 88 77 80 64 40 52 70 106 283
20 250 730 160 137 69 77 67 54 46 142 117 257
21 169 750 223 116 84 73 66 86 45 84 165 217
22 227 534 203 88 99 69 63 37 48 80 129 320
23 179 604 198 83 70 71 57 39 45 96 82 111
24 288 558 116 68 67 68 54 39 45 71 119 181
25 570 654 216 71 66 66 54 38 60 70 140 144
26 496 545 135 81 65 67 50 37 50 75 147 176
27 310 524 224 70 66 66 47 40 52 108 115 120
28 329 546 131 85 90 61 50 47 55 78 174 231
29 270 103 114 100 65 57 49 51 58 71 175 226
30 124   99 102 63 53 50 55 66 113 201 242
31 248   104   67   56 54   91   123