SURFACE WATER SUPFLY of the UNITED STATEP
SURFACE WATER SUPFLY of the UNITED STATEP
SURFACE WATER SUPFLY of the UNITED STATEP
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274<br />
ST. JOHNS RIVER BASIN<br />
South Fork Black Creek near Penney Farms, Fla.<br />
Location.- Water-stage recorder, lat. 29°59', long. 81°51', in sec. 13", f. 8 S,,*IU 84 £.,<br />
at bridge on State Highway 48, half a mile downstream from Greens Creek, Sf miles ifW®t<br />
<strong>of</strong> Penney Farms, and 10 miles west <strong>of</strong> Green Cove Springs. Datum <strong>of</strong> gage Is 9.82. feet'<br />
above mean sea level,-datum <strong>of</strong> 1929 (leveis-by Corps <strong>of</strong> Engineers," U. S. Army).<br />
Drainage area.- 160 scjuare miles. /<br />
Records available.- November 1939 to September 1945.<br />
ExtremeS.T Maximum discharge during year, 13,900 second-feet Oct. 19 (gige height, 86.33<br />
feet, from floodmarks), from rating curve extended above 8,000 second-feet; minimum,<br />
17 second-feet June 10, 11 (gage height^ 0.83 foot).<br />
1939-45: Ifcximum discharge, that <strong>of</strong> Oct. 19, 1944; minimum, 15 s-?cond-feet<br />
Nov. 8-10, 13, 14, 1940; minimum gage height, that-<strong>of</strong> June 10, 11, 1945.<br />
Remarks.- Records good above 90 second-feet and fair below.<br />
Day<br />
1<br />
2<br />
3<br />
4<br />
5<br />
6<br />
7 89<br />
10<br />
11<br />
12<br />
13<br />
14<br />
15<br />
16<br />
17<br />
18<br />
19<br />
20<br />
21<br />
22<br />
23<br />
24<br />
25<br />
26<br />
27<br />
28<br />
29<br />
30<br />
31<br />
Oct.<br />
104<br />
90<br />
Si<br />
76<br />
71<br />
67<br />
66<br />
66<br />
78<br />
81<br />
74<br />
68<br />
64<br />
61<br />
59<br />
59<br />
65<br />
66<br />
g5,280<br />
g7,320<br />
gl.320<br />
g732<br />
g484<br />
S46<br />
266<br />
827<br />
197<br />
172<br />
158<br />
144<br />
134<br />
NOT.<br />
Rating table, water year 1944-45 (gage height,<br />
in feet, and discharge, in eeoond-feet)<br />
0.9 SO 13. 0 1,290<br />
8.7 182 14. 0 1,570<br />
3.3 177 16. 0 2,010<br />
9.0 765 15. 6 2,490<br />
11.5 1,040 20.6 7,520<br />
Discharge, in second-feet, water year October 1944 to September 1945<br />
130<br />
150<br />
126<br />
g!22<br />
gl!8<br />
112<br />
106<br />
106<br />
104<br />
104<br />
101<br />
98<br />
95<br />
96<br />
92<br />
92<br />
106<br />
104<br />
95<br />
95<br />
92<br />
90<br />
87<br />
87<br />
64<br />
84<br />
84<br />
S7<br />
87<br />
96<br />
-<br />
Month<br />
Dec.<br />
92<br />
90<br />
87<br />
84<br />
84<br />
84<br />
84<br />
112<br />
^ 106<br />
95<br />
95<br />
104<br />
. 98<br />
92<br />
90<br />
87<br />
87<br />
87<br />
84<br />
84<br />
SI<br />
S4<br />
81<br />
84<br />
S4<br />
84<br />
84<br />
84<br />
84<br />
84<br />
84<br />
Jan.<br />
October ...........................<br />
November ..........................<br />
December .........................<br />
Calendar year 1944 ............<br />
January ..........................<br />
February .........................<br />
March......... ./...............,<br />
April ............ ^. ............ s.<br />
&y. ........ .....................<br />
June .............................<br />
July<br />
August ............................<br />
Septenber ........................<br />
Water year 1944-45 ............<br />
90<br />
98<br />
84<br />
109<br />
134<br />
104<br />
207<br />
616<br />
435<br />
242<br />
192<br />
158<br />
139<br />
130<br />
115<br />
109<br />
104<br />
98<br />
98<br />
95<br />
95<br />
92<br />
95<br />
90<br />
87<br />
155<br />
306<br />
218<br />
168<br />
177<br />
158<br />
Feb.<br />
130<br />
115<br />
106<br />
104<br />
98<br />
104<br />
J22<br />
112<br />
104<br />
98<br />
92<br />
90<br />
B7<br />
90<br />
90<br />
84<br />
81<br />
81<br />
78<br />
78<br />
78<br />
78<br />
\ 81<br />
81<br />
76<br />
74<br />
95<br />
S7<br />
_<br />
_ -<br />
Second-<br />
foot-days<br />
18,074<br />
3,011<br />
2,744<br />
91,283<br />
8^59<<br />
1 t3lfl<br />
J*f f&\<br />
lillt<br />
1,996<br />
3,90!<br />
7,381<br />
9,301<br />
58,417<br />
Mar.<br />
76<br />
71<br />
69<br />
68<br />
65<br />
64<br />
62<br />
62<br />
60<br />
59<br />
59<br />
57<br />
58<br />
58<br />
57<br />
66<br />
-55<br />
54<br />
62<br />
50<br />
60<br />
47<br />
46<br />
46<br />
46<br />
44<br />
46<br />
60<br />
48<br />
45<br />
43<br />
Maxima<br />
Apr.<br />
7,320<br />
130<br />
112<br />
7,320<br />
616<br />
150<br />
76<br />
242<br />
65<br />
464<br />
336<br />
70®<br />
2,620<br />
7,320<br />
,<br />
42<br />
41<br />
41<br />
43<br />
40<br />
38<br />
47<br />
54<br />
47<br />
43<br />
40<br />
40<br />
40<br />
38<br />
37<br />
34<br />
34<br />
33<br />
33<br />
36<br />
34<br />
33<br />
64<br />
842<br />
182<br />
7O<br />
53<br />
45<br />
46<br />
81<br />
-<br />
May<br />
Minima<br />
68<br />
48<br />
43<br />
42<br />
38<br />
35<br />
52<br />
32<br />
34<br />
32<br />
31<br />
41<br />
43<br />
34<br />
52<br />
27<br />
a65<br />
a54<br />
a37<br />
a32<br />
a28<br />
a85<br />
87<br />
40<br />
42<br />
59<br />
84<br />
81<br />
31<br />
2S<br />
84<br />
84<br />
24<br />
S3<br />
52<br />
84<br />
74<br />
4S<br />
33<br />
25<br />
* 81*<br />
SB<br />
61<br />
' 96<br />
81<br />
June<br />
23<br />
29<br />
26<br />
22<br />
28<br />
21<br />
21<br />
22<br />
21<br />
21<br />
24<br />
35<br />
64<br />
40<br />
28<br />
84<br />
23<br />
81<br />
57<br />
. 90<br />
78<br />
61<br />
47<br />
316<br />
454<br />
Mean<br />
153<br />
84<br />
64<br />
55<br />
50<br />
583<br />
100<br />
88.5<br />
S49<br />
161<br />
92.6<br />
55.9<br />
63.0<br />
S5.6<br />
W.5<br />
186<br />
838<br />
. .we<br />
ISO<br />
J)ly<br />
62<br />
81<br />
61<br />
68<br />
98<br />
66<br />
61<br />
92<br />
84<br />
70<br />
60<br />
66<br />
' 59<br />
63<br />
75<br />
75<br />
84<br />
134<br />
837<br />
212<br />
276<br />
827<br />
336<br />
286<br />
' 288<br />
187<br />
130<br />
109<br />
95<br />
87<br />
81<br />
FT square<br />
aile<br />
Aug.<br />
5.64<br />
.625<br />
.688<br />
1.M<br />
i.eV<br />
J879<br />
.349<br />
.851<br />
-.864<br />
^ .416<br />
.788<br />
1.49<br />
1*94<br />
r.»<br />
68<br />
62<br />
60<br />
62<br />
62<br />
59<br />
54<br />
51<br />
52<br />
64<br />
150<br />
L77<br />
302<br />
*£?<br />
! m<br />
41B<br />
' 278<br />
322<br />
354<br />
700<br />
554<br />
0.6<br />
i2S7<br />
'S6S i317<br />
614<br />
jtae<br />
386<br />
i!42<br />
L7t<br />
144<br />
Sept.<br />
122<br />
109<br />
106<br />
126<br />
177<br />
158<br />
139<br />
158<br />
. 266<br />
130 f<br />
106<br />
98<br />
98<br />
US *<br />
98 .<br />
«*:<br />
1,770<br />
847<br />
416<br />
876<br />
wr<br />
199<br />
lift<br />
£36<br />
96<br />
9B,<br />
130<br />
Run<strong>of</strong>f In<br />
inches<br />
4.80<br />
.70<br />
.64<br />
, 81,81<br />
a Ho gage -height record; aiacnsrge conmutsd on baa la <strong>of</strong> r»aord» f«r RSBrtfc ?«>V Slack Creek nefti-<br />
Miadleburg. . ' '<br />
g CmsfmteA from grajib baaed oa fag* readings. , " --/<br />
'<br />
B«at*rB mp tine up to 2 a.m., Sept. SO, 194B; eastsra Vfcandai-a t«*» .tbsjrea fter.<br />
' > tine to standard _tt»te, Biibtract 1 hour, ' - . .<br />
1-4*<br />
.10<br />
.40<br />
.3?<br />
.26<br />
.9*<br />
liTSt<br />
».1«^<br />
%«e»r
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