10260500 DEEP CREEK NEAR HESPERIA, CA

LOCATION.-Lat 34°20'28", long 117°13'39", in NE 1/4 SE 1/4 sec.18, T.3 N., R.3 W., San Bernardino County, Hydrologic Unit 18090208, on right bank 0.5 mi upstream from confluence with West Fork Mojave River at Mojave River Forks Dam, 7 mi southeast of Hesperia, and 11 mi downstream from Lake Arrowhead. 
DRAINAGE AREA.-134 mi2. 
PERIOD OF RECORD.-October 1904 to September 1922, October 1929 to current year. Prior to January 1930, monthly discharge only, published in WSP 1314. 
REVISED RECORDS.-WSP 1314: 1931(M). WSP 1927: Drainage area. 
GAGE.-Water-stage recorder. Broad-crested weir since December 1938. Elevation of gage is 3,050 ft above sea level, from topographic map. See WSP 1314 for history of changes prior to Dec. 10, 1938. 
REMARKS.-Records good. Slight regulation by Lake Arrowhead, capacity, 48,000 acre-ft, principally used for recreation. Sewage effulent from Lake Arrowhead area is released above gage at times. See schematic diagram of Mojave River Basin.
EXTREMES FOR PERIOD OF RECORD.-Maximum discharge, 46,600 ft3/s, Mar. 2, 1938, gage height unknown, on basis of slope-area measurement of peak flow; maximum gage height, 23.81 ft, Feb. 10, 1978 (backwater from Mojave River Forks Reservoir); no flow,  July 17, 18, 1961. 
EXTREMES FOR CURRENT YEAR.-Peak discharges greater than base discharge of 400 ft3/s, or maximum: 
  			Discharge	Gage height			Discharge	Gage height
  	Date	Time	(ft3/s)	(ft)	Date	Time	(ft3/s)	(ft)
  	Jan. 10	0845	1,420	3.88	Mar. 25	1800	2,720	4.78
  	Feb. 8	0300	7,710	7.54	Apr. 23	0015	1,290	3.78
  	Feb. 15	0030	3,190	5.12	May 5 	1915	3,750	5.49
  	Feb. 23	2,330	16,300	10.53	May 13	0030	1,840	4.19

                  DISCHARGE, 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       2.2      3.8     13        9.8       21      253      278      336      132       35     11       15  
  2       2.0      3.7     13        9.8       19      240      252      289      128       34     11       14  
  3       1.8      3.6     12        9.8       32      249      289      324      125       32      9.9     12  
  4       1.8      3.6     11       11         82      240      360      325      120       31      9.1     12  
  5       1.8      3.7      9.7     13         54      214      313     1780      115       29      8.5     12  
 
  6       1.8      3.7     53       12        954      339      329     2020      111       28      8.1     12  
  7       2.2      3.8    147       11       1230      289      285      945      106       27      7.7     11  
  8       4.6      3.8    185       11       3390      174      206      351      102       27      7.5     11  
  9       6.5      3.8     66       11        486      167      205      322      100       26      7.4     10  
 10       4.1      3.9     36      522        199      150      239      291       95       25      7.7      9.1
 
 11       3.6      4.3     24      143        137      160      309      296       92       23      9.5      8.4
 12       3.5      9.3     18       75        111      178      375      484       91       22     13        8.1
 13       3.7      6.7     15       57         97      178      289     1070       89       21     14        7.9
 14       3.6     11       14       45        300      201      309      655       82       19     15        7.8
 15       3.4     14       13       36       1190      182      319      577       79       19     13        7.6
 
 16       3.3      9.5     12       33        229      209      257      418       76       19     11        7.5
 17       3.3      7.8     11       36        156      185      183      397       75       18     10        7.5
 18       3.2      6.9     11       32        117      222      193      355       71       16      9.4      7.2
 19       3.1      6.3     11       31        100      226      239      321       68       16      8.8      7.0
 20       3.1      6.2     10       44        102      222      330      283       64       16      8.5      6.9
 
 21       3.1      6.0     11       31         87      218      482      255       59       17      8.1      7.1
 22       3.1      6.0     11       26        500      222      660      236       55       18      7.8      7.3
 23       3.2      6.0     10       22       5090      276      708      224       55       18      7.6      7.9
 24       3.4      6.0      9.7     20       5030      326      473      212       54       17      7.4      8.0
 25       3.4      5.9      9.4     19       1600     1060      351      208       52       16      7.1      7.7
 
 26       3.5      7.3      9.0     18        830      942      292      209       49       14      7.2      7.4
 27       3.5     50        8.7     16        498      487      279      188       46       14      7.2      7.8
 28       3.6     24        9.1     15        326      916      289      175       43       13      7.1      8.1
 29       3.6     16        9.2     15        ---      460      304      240       40       12      6.6      8.1
 30       3.7     13        9.5     33        ---      365      321      211       37       11      7.4      8.1
 31       3.8      ---      9.7     26        ---      344      ---      141      ---       11      8.7      ---
 
TOTAL   100.5    259.6    791.0   1393.4    22967     9894     9718    14138     2411      644    282.3    271.5
MEAN     3.24     8.65     25.5     44.9      820      319      324      456     80.4     20.8     9.11     9.05
MAX       6.5       50      185      522     5090     1060      708     2020      132       35       15       15
MIN       1.8      3.6      8.7      9.8       19      150      183      141       37       11      6.6      6.9
AC-FT     199      515     1570     2760    45560    19620    19280    28040     4780     1280      560      539
 


STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1905 - 1998, BY WATER YEAR (WY)                                 
  
DAY       OCT      NOV      DEC      JAN      FEB      MAR      APR      MAY      JUN      JUL      AUG      SEP
 
MEAN     5.23     19.6     56.6      136      216      220      146     66.3     18.0     5.79     3.25     3.64
MAX      42.0      606      843     2062     2028     1539      747      456     80.4     25.9     29.2     54.3
(WY)     1984     1966     1922     1993     1993     1978     1958     1998     1998     1969     1983     1976
MIN       .23     1.14     2.53     4.56     6.07     4.87     3.20     2.37     1.14      .14      .13      .10
(WY)     1934     1957     1905     1951     1951     1956     1951     1934     1956     1961     1933     1933
 
SUMMARY STATISTICS           FOR 1997 CALENDAR YEAR        FOR 1998 WATER YEAR           WATER YEARS 1905 - 1998
 
ANNUAL TOTAL                        9449.71                   62870.3                                           
ANNUAL MEAN                           25.9                      172                         73.9                
HIGHEST ANNUAL MEAN                                                                        411              1993
LOWEST ANNUAL MEAN                                                                           3.06           1951
  HIGHEST DAILY MEAN                  2480     Jan 26            5090     Feb 23           14700       Jan 25 1969
  LOWEST DAILY MEAN                       .54  Aug 14               1.8   Oct  3                .00    Jul 17 1961
  ANNUAL SEVEN-DAY MINIMUM                .54  Aug 14               1.9   Oct  1                .07    Jul 12 1961
  INSTANTANEOUS PEAK FLOW                                       16300     Feb 23           46600       Mar  2 1938
  INSTANTANEOUS PEAK STAGE                                         10.53  Feb 23              23.81    Feb 10 1978
ANNUAL RUNOFF (AC-FT)              18740                     124700                      53510                  
10 PERCENT EXCEEDS                    41                        347                        144                  
50 PERCENT EXCEEDS                     6.0                       22                         10                  
90 PERCENT EXCEEDS                      .75                       3.8                        1.0