Station list     Available data
WABASH RIVER BASIN


03337000                         BONEYARD CREEK AT URBANA, IL



LOCATION.--Lat 40°06'40", long 88°13'35", in NW1/4NE1/4 sec.18, T.19 N., R.9 E., Champaign County, Hydrologic Unit 05120109, on right bank 300 ft. upstream of Mathews St. on University of Illinois campus in Urbana, and at mile 1.2.

DRAINAGE AREA.--4.46 mi2, of which 0.88 mi2 is noncontributing.

PERIOD OF RECORD.--July 1948 to current year.

REVISED RECORDS.--WDR IL-75-1: Drainage area. WDR IL-83-1: 1982(M).

GAGE.--Water-stage recorder, crest-stage gage, and concrete control. Datum of gage is 708.10 ft above sea level. Prior to Oct. 1, 1974, at datum 0.15 ft higher.

REMARKS.--Records good except those for daily discharges less than 3 ft3/s, which are fair, and those for estimated daily discharges, which are poor. Diurnal fluctuation at low flow caused by sewage-treatment plants upstream. Since Aug. 1, 1960, storm runoff from 0.88 mi2 at headwaters has been diverted to Saline Branch through Northwest Diversion Conduit.

REVISIONS.--The peak discharges above a base of 280 ft3/s (revised) and annual maximums (*) reported for water years 1979-96 have been revised as shown in the following table. These peaks supersede those peaks published in WDR IL-79-1 to IL-96-1:
Date Time Discharge (ft3/s) Gage height (ft) Date Time Discharge (ft3/s) Gage height (ft)
July 24 to Sept. 30, 1979
July 25 0740  614  7.43 Aug. 22 0200  418  6.05
July 30 2000  *884  *8.94 Aug. 23 1810  433  6.17
Aug. 20 1955  362  5.59
 
1980 WATER YEAR
Mar. 07 2350  281  4.86 June 02 1304  *592  *7.29
May 12 0910  282  4.87 June 23 1431  297  5.01
June 02 0527  373  5.68
 
1981 WATER YEAR
Apr. 10 1533  618  5.12 July 26 0138  610  5.07
Apr. 11 2246  339  3.45 Aug. 05 1320  778  6.48
Apr. 22 1737  360  3.57 Aug. 09 Unknown 737  6.11
Apr. 28 2025  324  3.37 Aug. 14 Unknown 612  5.08
June 21 2331  833  7.19 Aug. 27 Unknown 697  5.74
July 04 1959  296  3.23 Sept. 26 2016  *861  *7.64
July 19 0221  507  4.38 Sept. 29 0925  284  3.17
 
1982 WATER YEAR
Oct. 05 2031  631  5.21 July 10 0850  394  3.74
May 20 1854  *825  *7.06 July 18 2256  346  3.49
June 15 1400  478  4.19 Aug. 05 1524  337  3.44
June 28 1257  450  4.03 Jan. 29 Unknown 342  3.47
July 03 0246  666  5.48 Feb. 21 Unknown 340  Unknown
 
1983 WATER YEAR
Apr. 27 2003  441  3.98 June 03 0738  457  4.07
Apr. 30 0219  520  4.47 June 14 1841  499  4.33
May 01 1439  705  5.81 June 19 0354  *845  *7.38
May 13 1926  514  4.43 June 29 1810  469  4.14
May 19 0430  312  3.31 Aug. 17 0638  668  5.50
 
1984 WATER YEAR
May 25 1911  *337  *3.44 July 26 0640  296  3.23
 
1985 WATER YEAR
July 15 0040  302  3.26 Aug. 14 2313  *333  *3.42
Aug. 06 1810  288  3.19
 
1986 WATER YEAR
Nov. 12 1555  *548  *4.65 July 10 0755  511  4.41
Apr. 30 1850  310  3.30 July 14 0245  339  3.45
June 30 0635  306  3.28 Sept. 19 1525  538  4.59
 
1987 WATER YEAR
May 18 0230  335  3.43 July 30 0840  *852  *7.50
June 25 1250  400  3.77 Aug. 26 2158  568  4.78
 
1988 WATER YEAR
July 18 1835  337  3.44 Sept. 19 1720  391  3.73
July 25 0821  *551  *4.67
 
1989 WATER YEAR
Nov. 16 0037 577 4.84 July 21 2025 507 4.38
Apr. 28 0247 298 3.24 Aug. 23 0925 447 4.01
May 19 1701 322 3.36 Aug. 27 1805 *753 *6.24
May 25 2106 698 5.75 Sept. 01 0715 483 4.22
June 23 1431 354 3.54 Sept. 08 0955 349 3.51
July 19 1345 612 5.08
1990 WATER YEAR
Mar. 10 1615 347 3.50 June 20 0205 726 6.00
May 09 2110 344 3.48 July 11 0212 664 5.47
May 16 0335 *913 *8.51 Aug. 20 1949 461 4.09
June 08 0045 296 3.23 Aug. 29 0345 369 3.62
June 17 2035 385 3.70
1991 WATER YEAR
May 05 0110 847 7.42 May 21 1837 606 5.04
May 14 1206 *876 *7.85 July 11 2340 414 3.84
1992 WATER YEAR
Nov. 30 0015 310 3.30 July 23 1842 542 4.61
June 06 2125 369 3.62 July 30 1234 616 5.11
June 17 1810 379 3.67 Aug. 02 1738 480 4.20
July 02 1745 *798 *6.68 Aug. 26 1821 640 5.28
July 07 1030 584 4.89 Sept. 08 0105 284 3.17
July 09 2105 294 3.22 Sept. 21 0202 284 3.17
July 16 1924 546 4.64
1993 WATER YEAR
Nov. 01 0447 385 3.70 July 02 1315 402 3.78
Jan. 04 0909 296 3.23 July 13 2020 360 3.57
Apr. 19 2135 302 3.26 July 18 1900 685 5.64
Apr. 24 2200 335 3.43 Aug. 12 0205 *946 *9.93
June 20 1510 316 3.33 Aug. 19 1845 371 3.63
June 28 0955 820 6.98 Sept. 02 1130 538 4.59
July 01 0945 486 4.24
1994 WATER YEAR
Oct. 09 0405 292 3.21 May 07 0514 328 3.39
Oct. 16 2255 *702 *5.78 May 24 1802 468 4.13
Jan. 27 Unknown 600e Unknown Aug. 03 2305 475 4.17
Apr. 11 1720 693 5.71 Aug. 08 1615 286 3.18
Apr. 12 0230 324 3.37 Aug. 13 1810 555 4.70
Apr. 26 2225 590 4.93 Aug. 31 0110 333 3.42
1995 WATER YEAR
May 08 2330 381 3.68 May 28 0200 333 3.42
May 13 2205 290 3.20 June 10 0150 310 3.30
May 16 2215 *820 *6.98 June 23 1640 459 4.08
May 24 0025 296 3.23 Aug. 01 1530 322 3.36
1996 WATER YEAR
May 03 2240 314 3.51 June 16 1545 452 4.43
May 10 0700 471 4.39 July 21 0635 394 3.74
May 24 1530 505 4.60 July 28 2315 476 4.23
May 27 0535 *520 *4.70
e - Estimated.


REVISIONS.--Revised daily discharges and statistics, in cubic feet per second, for water years 79-96 are given below. These figures sepersede those published in WDR IL-79-1 to IL-96-1.
DAILY DISCHARGES
1979 1981 1982 1984 1985
July 25 56  Apr. 19 18    May 31 35  Dec. 04 12  June 15 19 
30 137  22 29    10 20  27 24 
31 67  28 25    June 01 13  11 41  28 25 
15 31  14 19 
Aug. 01 53  June 21 42    18 13  July 02 14 
19 19  22 47    19 13  Apr. 03 12  15 26 
23 39  24 16    28 26  04 18  31 11 
21 21 
1980 July 04 39    July 02 13  22 38  Aug. 04 14 
Nov. 09 11  05 14    03 118  05 22 
24 11  15 20    10 25  May 19 11  06 15 
25 25 e 19 46    18 20  20 58  13 15 
20 11    19 21  25 39  14 19 
Feb. 21 22  26 48    26 13  15 26 
27 37    Aug. 05 57 
Mar. 08 31  28 15    06 22  June 22 11  1986
17 35  24 19  Nov. 01 36 
Aug. 05 86 e July 03 14  10 20 
May 13 16  Sept. 01 18  04 12  12 40 
17 15  Sept. 26 118    26 28  14 18 
18 11  27 29    1983 16 10 
19 10  29 30    Apr. 13 50  Aug. 04 18  18 41 
23 12  27 44  22 11  19 64 
24 20  1982 30 52  20 13 
Oct. 05 37    1985 26 30 
June 02 71  06 13    May 01 109  Oct. 20 15  27 14 
15 13  17 19    02 46 
23 25  22 16    19 42  Nov. 01 27  Feb. 03 14 
28 10  27 26  04 15 
Nov. 30 11    June 03 52 
July 05 10  14 50  Dec. 29 16  Apr. 30 30 
Feb. 27 8.1 19  241 31  22
1981 29 47  May 29 33 
Oct. 01 10  Apr. 16 21    Jan. 01 18
14 11  17 11    Aug. 17 56  June 05 16 
19 10    Mar. 29 13  06 13 
Feb. 16 31  1984 27 10 
May 07 11    Oct. 12 26  Apr. 05 37  30 36 
Apr. 04 16  15 13   
10 52  20 68    Nov. 10 18  May 01 28  July 01 15 
11 28  21 33    23 23  14 16  10 52 e
12 13  26 13    27 31  15 12  11 13 
13 13  27 19    12 12 
14 14  29 17    Dec. 03 12  June 11 16  14 48 
1986 1988 1990 1991 1993
Aug. 10 10  May 08 11  June 29 40    May 18 13    Nov. 10 15   
23 11  21 42    11 10   
Sept. 11 13 e July 11 40    26 8.9 12 33   
19 56  July 18 28  22 18    22 31   
20 16  25 50  July 10 23   
23 16  Aug. 20 28    11 17    Dec. 15 14   
26 19  Sept. 19 35  12 19    30 15   
29 13  1991
30 32  1989 Oct. 03 22    Aug. 06 35    Jan. 03 20   
Oct. 17 18  07 35    04 97   
1987 23 12  08 35    1992 05 20 e
Oct. 01 21  09 37    Oct. 04 27    06 7.0 e
03 11  Nov. 04 29  10 22    26 15    07  5.5 e
25 20  12 10  17 13    30 8.5 21 43   
16 39 
Nov. 25 28  20 28  Nov. 05 16    Nov. 19 18    Feb. 11 10   
26 18  27 37    20 11   
Dec. 22 42  28 11    30 19    Mar. 03 10   
Dec. 01 26  04 24   
Mar. 20 16  Dec. 03 21    Dec. 02 10    22 17   
Apr. 13 25  15 15    12 14    23 9.7
14 13  Apr. 02 39  21 33   
15 11  28 48  29 114    Feb. 14 8.5 Apr. 13 20   
30 30    15 7.5 14 34   
May 18 26  May 08 13  31 8.1 19 22   
19 38  Mar. 18 16    24 19   
June 02 21  25 59  Jan. 02 3.9 e 25 36   
20 10  26 22  03 3.3 Apr. 10 9.0
25 25  04 2.9 15 24    May 30 14   
29 11  June 03 12  05 3.2 16 9.5
23 16  06 2.6 18 12    June 04 26   
July 26 14  27 25  07 2.2 18 23   
30 140  08 2.2 May 21 8.4 20 18   
31 10  July 19 37  09 2.1 22 8.5 24 12   
21 27  10 2.1 e 28 70   
Aug. 21 10  11 20    June 06 20   
25 12  Aug. 23 35  12 3.6 e 07 16    July 01 73   
26 42  27 29  13 2.5 e 17 21    02 30   
27 36  28 10  14 4.6 e 11 12   
15 11    July 02 54    13 19   
Sept. 16 15  Sept. 01 48  16 8.4 e 03 11    16 13   
28 17  08 41  17 3.2 07 88    18 38   
29 14  14 20  18 3.1 09 15    19 9.3
19 3.1 12 9.3 21 13   
1988 1990 20 2.9 14 9.5 23 16   
Nov. 24 35  Feb. 01 27  21 2.3 16 22    24 16   
25 15  15 23  22 2.1 17 9.9
27 15  22 90  23 2.1 e 23 45    Aug. 12 215   
28 29  23 14  24 9.4 13 11   
Feb. 18 12    25 16    15 13   
Dec. 07 20  Mar. 08 17  26 14    16 14   
15 45  10 56  Mar. 01 12    30 70    19 31   
19 18  11 27  12 19    23 11   
20 12  13 13    Aug. 02 28   
27 16  Apr. 10 30  17 20    26 30    Sept. 02 55   
28 28  22 12    03 16   
May 09 18  26 19    Sept. 08 15    06 9.9
Jan. 17 15  12 49  09 11    12 14   
19 25  16 230  Apr. 14 12    21 15    14 65   
31 11  17 27  15 24    26 22    25 25   
25 21  26 16   
Feb. 19 12  May 03 16    1993
June 06  16  05 92    Oct. 15 13    1994
Mar. 29 25  17 24  14 115    16 16    Oct. 09 24   
20 81  15 15    16 68   
Apr. 06 13  22 17  16 40    Nov. 01 114    20 16   
28 12  17 15    02 17   
1994 1994 1995 1996 1996
Nov. 14 33    May 06 19  Nov. 04 28  Oct. 31 14    04  12 
17 21    07 30  05 22  08 41 
24 34  09 31  Nov. 01 9.9 11  19 
Jan. 22 18    25 16  02 13   
24 24    Dec. 16 16  11 19    June 01  12 
25 14    June 08 13  10 17 
23 16  Jan. 19 21  Dec. 18 16    16  33 
Mar. 06 13    23  12 
July 20 11  Mar. 07 54  Jan. 18 19   
Apr. 03 9.9 July 14 11 
09 9.8 Aug. 08 16  May 09 27  Feb. 27 12    21  36 
10 20    30 11 e 13 30  24  15 
11 120    31 26  16 87  Mar. 31 25    28  16 
12 116    19 14 
15 20    Sept. 16 15  24 58  Apr. 19 11    Aug. 17 19 
26 29    23 10  28 26  22 28    18  11 
27 13    26 27  28 21   
28 27    Aug. 01 15  29 14    Sept. 26 12 
30 18    1995
Oct. 31 20  Sept. 07 21  May 03 16   
e - Estimated.
STATISTICS
TOTAL MEAN MAX MIN
July 1979 364.46 11.8   137    .76
August 1979 228.4   7.37 53    1.0  
WTR YR 1979 1942.71 5.32 137    .70
November 1979 86.18 2.87 25    .70
February 1980 75.1   2.59 22    1.1  
March 1980 246.3   7.95 47    1.7  
May 1980 173.9   5.61 20    1.5  
June 1980 221.7   7.39 71    2.1  
July 1980 89.4   2.88 10    1.3  
CAL YR 1979 1832.85 5.02 137    .64
WTR YR 1980 1391.24 3.80 71    .64
October 1980 65.09 2.10 11    .76
February 1981 63.05 2.25 31    .03
April 1981 273.41 9.11 52    .49
June 1981 156.6   5.22 47    1.1  
July 1981 273.1   8.81 48    1.2  
August 1981 331.2   10.7   86    2.0  
September 1981 233.9   7.80 118    1.2  
CAL YR 1980 1396.39 3.82 71    .76
WTR YR 1981 1849.77 5.07 118    .03
October 1981 144.1   4.65 37    1.4  
November 1981 59.7   1.99 11    1.2  
February 1982 390.4   13.9   60    1.6  
April 1982 125.7   4.19 21    1.9  
May 1982 266.4   8.59 68    1.2  
June 1982 140.4   4.68 31    1.3  
July 1982 287.3   9.27 118    1.4  
August 1982 156.9   5.06 57    1.3  
September 1982 52.68 1.76 18    .72
CAL YR 1981 1906.88 5.22 118    .03
WTR YR 1982 2178.68 5.97 118    .72
April 1983 272.6   9.09 52    1.4  
May 1983 302.8   9.77 109    1.7  
June 1983 467.2   15.6   241    1.4  
August 1983 111.24 3.59 56    .61
CAL YR 1982 2195.93 6.02 118    .65
WTR YR 1983 1675.38 4.59 241    .54
October 1983 103.39 3.34 27    .08
November 1983 120.80 4.03 31    .10
December 1983 186.31 6.01 41    .41
April 1984 183.88 6.13 38    .78
May 1984 188.79 6.09 58    .72
June 1984 54.00 1.80 11    .78
July 1984 97.81 3.16 28    .78
August 1984 61.99 2.00 18    .78
CAL YR 1983 1813.23 4.97 241    .08
WTR YR 1984 1335.75 3.65 58    .08
October 1984 48.11 1.55 15    .48
November 1984 80.84 2.69 27    .16
December 1984 78.09 2.52 22    .47
January 1985 33.54 1.08 18    .20
March 1985 176.75 5.70 39    .85
April 1985 98.78 3.29 37    .78
May 1985 93.40 3.01 28    .29
June 1985 120.29 4.01 25    .95
July 1985 98.97 3.19 26    .85
August 1985 172.4   5.56 26    1.4  
CAL YR 1984 1132.29 3.09 58    .16
WTR YR 1985 1174.21 3.22 39    .16
November 1985 350.7   11.7   64    1.4  
February 1986 74.98 2.68 15    .57
April 1986 67.76 2.26 30    .80
May 1986 88.84 2.87 33    .83
June 1986 105.10 3.50 36    .32
July 1986 173.65 5.60 52    .44
August 1986 34.37 1.11 10    .30
September 1986 193.78 6.46 56    .25
CAL YR 1985 1483.60 4.06 64    .20
WTR YR 1986 1340.87 3.67 64    .25
October 1986 120.32 3.88 21    .92
November 1986 88.36 2.95 28    .75
December 1986 69.60 2.25 26    .90
April 1987 103.56 3.45 25    .70
May 1987 65.23 2.10 26    .60
June 1987 109.06 3.64 25    .67
July 1987 238.91 7.71 140    .68
August 1987 169.16 5.46 42    .76
September 1987 85.6   2.85 17    1.0  
CAL YR 1986 1102.72 3.02 56    .25
WTR YR 1987 1184.00 3.24 140    .60
November 1987 135.28 4.51 35    .92
December 1987 211.5   6.82 45    1.1  
January 1988 103.95 3.35 25    .85
February 1988 81.1   2.80 12    1.1  
March 1988 110.7   3.57 25    1.0  
April 1988 87.81 2.93 13    .91
May 1988 69.8   2.25 11    1.2  
July 1988 118.62 3.83 50    .98
September 1988 80.34 2.68 35    .64
CAL YR 1987 1292.76 3.54 140    .60
WTR YR 1988 1121.29 3.06 50    .63
October 1988 80.25 2.59 18    .72
November 1988 165.16 5.51 39    .60
December 1988 98.49 3.18 42    .99
March 1989 83.71 2.70 16    .91
April 1989 209.1   6.97 48    1.6  
May 1989 239.2   7.72 59    2.1  
June 1989 115.8   3.86 25    1.4  
July 1989 120.2   3.88 37    1.0  
August 1989 142.1   4.58 35    1.1  
September 1989 195.6   6.52 48    1.9  
CAL YR 1988 1077.85 2.94 50    .60
WTR YR 1989 1554.33 4.26 59    .60
February 1990 257.6   9.20 90    1.1  
March 1990 198.5   6.40 56    2.2  
April 1990 85.8   2.86 30    1.0  
May 1990 470.3   15.2   230    1.2  
June 1990 279.2   9.31 81    1.7  
July 1990 139.9   4.51 40    1.5  
August 1990 114.5   3.69 28    1.0  
CAL YR 1989 1362.40 3.73 59    .52
WTR YR 1990 1800.39 4.93 230    .52
October 1990 220.28 7.11 37    .78
November 1990 108.18 3.61 37    .56
December 1990 304.5   9.82 114    1.8  
January 1991 116.7   3.76 20    1.8  
February 1991 77.91 2.78 12    .91
March 1991 183.16 5.91 20    .96
April 1991 125.1   4.17 24    1.6  
May 1991 455.3   14.7   115    2.0  
July 1991 100.32 3.24 23    .90
August 1991 75.25 2.43 35    .37
CAL YR 1990 2281.38 6.25 230    .56
WTR YR 1991 1861.19 5.10 115    .26
October 1991 101.49 3.27 27    .24
November 1991 92.89 3.10 19    .35
December 1991 90.31 2.91 14    .80
February 1992 59.08 2.04 8.5 .53
March 1992 69.42 2.24 16    .78
April 1992 135.5   4.52 24    1.1  
May 1992 61.50 1.98 8.5 .87
June 1992 99.6   3.32 21    1.0  
July 1992 451.2   14.6   88    1.1  
August 1992 120.38 3.88 30    .56
September 1992 106.86 3.56 22    .64
CAL YR 1991 1512.62 4.14 115    .24
WTR YR 1992 1435.62 3.92 88    .24
October 1992 59.44 1.92 16    .52
November 1992 296.8   9.89 114    1.8  
December 1992 98.9   3.19 15    1.1  
January 1993 281.1   9.07 97    1.8  
February 1993 67.6   2.41 10    1.5  
March 1993 196.4   6.34 24    2.4  
April 1993 246.2   8.21 36    1.8  
May 1993 82.11 2.65 14    .91
June 1993 215.7   7.19 70    1.4  
July 1993 320.4   10.3   73    2.1  
August 1993 375.1   12.1   215    1.4  
September 1993 270.4   9.01 65    1.4  
CAL YR 1992 1606.07 4.39 114    .36
WTR YR 1993 2510.15 6.88 215    .52
October 1993 198.01 6.39 68    .91
November 1993 151.9   5.06 33    1.2  
January 1994 200.55 6.47 52    .95
March 1994 87.4   2.82 13    1.4  
April 1994 472.0   15.7   120    1.4  
May 1994 199.8   6.45 34    2.2  
June 1994 87.3   2.91 16    1.2  
July 1994 45.58 1.47 11    .34
August 1994 151.82 4.90 26    .55
September 1994 96.86 3.23 27    .41
CAL YR 1993 2487.12 6.81 215    .91
WTR YR 1994 1835.37 5.03 120    .34
October 1994 87.21 2.81 27    .80
November 1994 173.5   5.78 31    1.2  
December 1994 85.25 2.75 18    .80
January 1995 103.7   3.35 21    1.0  
March 1995 118.79 3.83 54    .83
May 1995 462.2   14.9   87    1.1    
August 1995 106.41 3.43 19    .63
September 1995 53.95 1.80 21    .77
CAL YR 1994 1735.22 4.75 120    .34
WTR YR 1995 1490.56 4.08 87    .63
October 1995 96.83 3.12 18    .69
November 1995 93.15 3.11 19    .60
December 1995 41.89 1.35 16    .52
January 1996 68.16 2.20 19    .69
February 1996 50.67 1.75 12    .78
March 1996 79.30 2.56 25    .86
April 1996 112.45 3.75 28    .95
May 1996 365.1   11.8   119    1.4  
June 1996 143.45 4.78 33    .95
July 1996 116.23 3.75 36    .74
August 1996 53.21 1.72 19    .54
September 1996 43.52 1.45 12    .47
CAL YR 1995 1376.47 3.77 87    .52
WTR YR 1996 1263.96 3.45 119    .47
DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 1.4 10    2.1 1.7 1.6 2.2 5.7 20    2.2 2.2 1.4   1.1  
2 1.4 2.5 1.8 1.7 1.5 2.2 3.6 6.4 2.4 2.2 1.5   1.1  
3 1.5 2.0 1.8 2.6 1.5 2.2 15    90    4.0 3.0 2.5   1.1  
4 1.6 1.4 1.7 3.9 1.5 2.7 4.6 17    2.0 e18    2.4   1.0  
5 1.8 5.3 1.5 19    1.5 2.1 3.7 6.9 6.8 e2.0 42      .97
 
6 2.6 3.9 1.5 3.5 1.4 2.0 3.8 11    2.1 e24    5.0   1.0  
7 3.2 1.5 1.4 7.7 1.3 2.6 13    8.8 1.8 15    9.8   .99
8 2.9 1.4 1.4 26    1.3 30    4.3 13    7.2 3.4 1.8   1.0  
9 7.5 1.4 4.1 5.0 1.3 15    3.8 4.6 16    3.0 3.3   .98
10 3.5 1.4 11    3.6 1.3 7.3 3.0 3.8 2.3 2.8 2.2   .86
 
11 3.4 1.4 1.9 3.2 14    e4.3 2.9 3.5 31    2.7 1.6   .91
12 3.4 1.3 1.8 2.8 1.9 3.3 2.6 11    16    2.6 1.5   .92
13 15    1.3 1.7 2.2 1.7 4.2 15    5.3 3.2 2.6 1.4   .97
14 2.4 1.8 1.7 7.0 1.5 3.2 4.2 2.9 50    2.5 1.3   1.1  
15 2.1 2.4 1.5 e3.0 1.5 2.8 2.9 2.8 16    2.4 1.3   1.1  
 
16 2.0 1.4 1.4 e2.2 6.8 2.8 2.7 2.4 43    2.3 1.6   1.0  
17 2.0 1.3 1.4 2.0 14    31    2.3 2.4 6.8 2.4 1.6   1.0  
18 2.1 1.3 1.3 2.0 5.3 8.6 2.2 2.6 30    2.2 1.5   1.0  
19 2.2 1.3 1.3 2.0 3.5 7.0 2.2 14    7.6 2.3 1.1   1.1  
20 2.2 1.3 1.3 1.9 3.9 42    9.2 2.2 3.9 2.4 1.2   13     
 
21 2.2 1.5 1.8 1.9 2.7 9.9 2.7 1.8 3.3 2.4 1.5   2.9  
22 2.1 1.3 11    2.7 2.2 5.2 2.7 16    21    19    1.2   2.3  
23 2.0 1.3 1.4 3.1 2.1 5.7 1.8 21    3.8 2.1 1.4   1.3  
24 2.0 1.3 17    2.2 3.7 3.3 2.0 57    3.1 2.1 1.4   3.0  
25 1.8 1.2 2.6 2.2 1.9 2.8 3.8 5.1 3.1 2.0 1.7   2.3  
 
26 16    1.2 1.7 2.3 2.4 2.7 1.8 3.6 2.9 2.0 1.3   2.3  
27 1.4 8.2 1.7 2.1 7.7 8.8 1.7 3.7 2.9 2.1 1.3   1.1  
28 1.1 10    1.8 2.0 3.3 72    4.2 3.1 2.8 2.2 1.5   1.3  
29 1.1 4.4 1.8 1.9 ---    8.5 34    9.2 18    2.1 1.2   1.2  
30 1.0 10    1.7 1.7 ---    5.6 40    2.9 2.4 5.4 1.2   2.2  
 
31 1.0 ---    1.7 1.6 ---    13    ---    2.2 ---    2.0 .88 ---     

TOTAL 95.9 86.0 87.8 126.7 94.3 315.0 201.4 356.2 317.6 143.4 100.58 52.10
MEAN 3.09 2.87 2.83 4.09 3.37 10.2 6.71 11.5 10.6 4.63 3.24 1.74
MAX 16 10 17 26 14 72 40 90 50 24 42 13
MIN 1.0 1.2 1.3 1.6 1.3 2.0 1.7 1.8 1.8 2.0 .88 .86

e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1949 - 1998, BY WATER YEAR (WY)
MEAN 3.19 3.48 3.62 3.53 3.96 5.04 6.17 5.98 5.09 5.40 4.43 3.64
MAX 10.8 11.7 11.5 18.6 13.9 10.9 18.3 15.2 15.6 14.6 12.1 9.97
(WY) 1956 1986 1967 1950 1982 1982 1964 1990 1983 1992 1993 1972
MIN 1.25 1.08 .95 .60 1.11 .94 1.43 1.85 1.15 1.47 1.11 .84
(WY) 1965 1972 1990 1981 1995 1981 1971 1972 1988 1994 1986 1983

SUMMARY STATISTICS FOR 1997 CALENDAR YEAR FOR 1998 WATER YEAR WATER YEARS 1949 - 1998
ANNUAL TOTAL 1493.33     1976.98
ANNUAL MEAN 4.09     5.42 4.46    
HIGHEST ANNUAL MEAN 6.96     1950
LOWEST ANNUAL MEAN 3.00     1954
HIGHEST DAILY MEAN 132              Sep 2 90          May 3 241          Jun 19 1983
LOWEST DAILY MEAN .60 A     Jan 7 .86     Sep 10 .03     Feb 12 1981
ANNUAL SEVEN-DAY MINIMUM .80         Jan 6 .95     Sep 7 .05     Feb 6 1981
INSTANTANEOUS PEAK FLOW 779          May 24 946      B Aug 12 1993
INSTANTANEOUS PEAK STAGE 7.01     May 24 9.93 C Aug 12 1993
INSTANTANEOUS LOW FLOW .51     D
10 PERCENT EXCEEDS 7.9       14      9.0      
50 PERCENT EXCEEDS 1.7       2.3   2.1      
90 PERCENT EXCEEDS 1.0       1.3   1.0      
A - Estimated, result of freezeup.
B - From rating based on indirect measurements.
C - From floodmarks.
D - Aug. 19, 22, and 30-31.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data