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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 12365700 Stillwater River at Lawrence Park, at Kalispell


Flathead County, Montana
Hydrologic Unit Code 17010210
Latitude  48°13'02.10", Longitude 114°18'49.45" NAD83
Drainage area 596  square miles
Gage datum 2,940 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 2006-10-01 -> 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 95 89 105 367 938 1,020 579 185 111 95 116 110
2 95 87 107 382 945 999 560 181 110 95 120 111
3 94 88 110 393 945 986 543 180 108 96 123 111
4 92 89 113 405 947 972 525 177 107 95 124 111
5 95 94 121 414 955 962 506 172 106 96 125 111
6 96 96 120 425 972 953 483 167 105 96 124 107
7 97 95 119 435 1,010 941 460 164 105 95 125 110
8 97 94 119 445 1,050 931 439 159 104 95 125 112
9 98 93 128 464 1,090 919 419 156 104 95 125 114
10 96 95 154 486 1,120 915 399 153 105 96 125 114
11 93 96 167 509 1,130 913 381 152 105 97 123 115
12 90 98 179 522 1,130 901 364 149 104 97 118 117
13 92 98 179 538 1,110 876 348 146 102 97 118 117
14 92 100 178 547 1,110 850 335 144 101 97 120 115
15 90 101 189 562 1,110 830 327 143 100 97 119 113
16 89 101 194 568 1,110 816 317 141 97 99 119 109
17 90 99 201 572 1,110 813 307 138 96 99 122 107
18 93 98 208 576 1,130 815 298 136 95 100 122 104
19 94 97 223 580 1,140 820 289 133 96 100 121 104
20 93 97 236 586 1,180 825 278 131 97 101 123 106
21 95 98 254 600 1,180 831 268 128 98 101 121 106
22 92 97 268 625 1,160 821 257 127 98 102 117 104
23 91 96 281 657 1,150 802 248 126 98 104 119 103
24 91 95 284 694 1,150 772 241 124 99 105 120 101
25 92 98 283 739 1,150 746 232 121 98 106 119 98
26 92 102 289 785 1,160 719 224 120 99 105 119 99
27 88 105 300 830 1,160 690 217 117 98 107 118 100
28 87 106 310 870 1,150 662 209 116 98 108 116 101
29 85 95 320 902 1,130 631 203 114 96 109 116 100
30 88   336 923 1,100 604 195 113 95 109 110 97
31 90   352   1,060   190 112   113   95