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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 01440000 Flat Brook near Flatbrookville NJ


Sussex County, New Jersey
Hydrologic Unit Code 02040104
Latitude  41°06'22", Longitude  74°57'09" NAD83
Drainage area 64.0  square miles
Gage datum 347.73 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 water year of record in, ft3/s   (Calculation Period 1923-10-01 -> 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
1 133 115 152 243 176 128 83 48 46 74 83 142
2 132 113 155 248 158 136 72 47 74 62 79 138
3 135 138 152 259 151 112 61 50 56 58 93 125
4 126 143 160 238 158 104 63 54 50 54 90 132
5 117 125 180 252 148 99 60 54 51 52 80 130
6 130 112 183 271 149 104 66 45 53 59 77 142
7 126 120 195 260 147 108 58 49 66 54 78 148
8 126 126 177 243 140 106 59 44 63 51 85 149
9 131 111 194 210 139 91 67 46 59 69 110 132
10 137 106 178 208 139 89 72 57 46 53 98 126
11 123 137 195 189 154 87 59 51 40 50 94 137
12 124 132 214 184 163 87 50 46 42 62 91 150
13 124 121 205 192 161 88 56 51 54 57 96 134
14 121 134 220 188 145 90 69 53 46 61 99 135
15 120 138 233 187 145 88 64 50 51 70 102 126
16 113 132 211 253 141 88 58 53 54 69 98 119
17 104 126 215 228 158 87 53 51 76 59 108 124
18 104 128 219 184 151 79 50 55 70 60 101 141
19 116 131 206 175 149 84 54 107 69 69 93 124
20 124 131 213 167 139 86 50 62 66 86 109 111
21 113 137 216 165 130 81 46 47 61 85 108 152
22 120 140 233 170 123 92 53 54 64 64 108 144
23 123 143 235 174 115 87 62 59 50 66 114 122
24 133 151 221 164 123 80 66 58 57 67 101 135
25 185 182 218 170 126 71 48 54 55 67 109 148
26 172 173 205 163 129 71 48 47 51 80 122 131
27 161 157 211 166 127 79 49 45 54 87 118 128
28 165 155 224 163 115 92 54 92 76 93 113 129
29 137 147 239 165 127 89 59 74 80 92 132 126
30 126   230 157 141 92 50 49 63 96 131 131
31 124   243   117   48 41   93   150