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USGS Daily Statistics for the Nation

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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 14198500 MOLALLA R AB PC NR WILHOIT, OR


Clackamas County, Oregon
Hydrologic Unit Code 17090009
Latitude  45°00'35.0", Longitude 122°28'51.3" NAD83
Drainage area 97  square miles
Gage datum 791.35 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 1935-10-01 -> 1993-09-30)

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
1 774 828 713 811 652 384 178 60 72 90 429 916
2 787 826 746 760 698 370 170 59 76 96 482 1,150
3 746 862 689 740 701 358 160 58 64 110 465 1,130
4 922 831 669 691 656 356 148 57 62 100 491 1,160
5 901 756 722 747 691 356 139 56 66 112 419 1,070
6 1,080 927 739 778 693 362 131 55 63 124 423 1,140
7 1,070 969 732 736 658 409 124 54 58 127 501 1,060
8 941 854 712 748 650 419 120 53 54 144 560 852
9 996 823 793 790 611 396 118 52 54 221 581 895
10 985 916 776 777 594 362 116 50 60 204 580 983
11 924 866 715 758 599 328 113 49 64 200 614 1,090
12 1,070 889 735 754 586 303 106 47 67 190 642 1,110
13 1,110 984 747 833 577 283 102 47 63 171 603 1,020
14 1,170 928 729 785 567 271 103 47 61 164 641 940
15 1,290 897 754 733 566 274 100 48 66 181 782 1,010
16 1,140 1,050 740 704 557 268 96 47 72 190 782 898
17 1,130 1,090 768 716 548 267 95 47 66 183 809 808
18 1,100 1,000 800 708 538 263 91 46 69 220 845 770
19 1,080 1,060 734 676 513 262 89 46 73 229 817 954
20 1,060 1,020 684 738 526 285 87 46 80 262 855 989
21 984 996 658 711 501 273 84 46 86 259 776 1,150
22 937 997 706 663 468 244 83 48 74 291 921 1,260
23 944 885 772 650 451 226 83 51 79 349 968 1,080
24 999 855 772 660 430 212 76 59 91 316 1,150 1,000
25 982 835 790 631 442 218 73 59 82 301 1,100 944
26 918 806 823 597 463 205 72 64 89 301 1,040 858
27 963 811 793 655 451 197 71 66 82 300 1,170 962
28 961 806 746 659 423 192 69 61 78 346 1,010 988
29 980 906 815 618 389 214 66 59 82 358 900 895
30 836   848 614 383 195 63 59 82 373 869 911
31 833   849   372   61 59   381   818