Table 20.  Daily maximum and minimum chloride concentrations estimated from values of specific conductance, Delaware River at Reedy Island Jetty, Delaware (station number 01482800) for year ending November 30, 2002 [Concentrations in milligrams per liter; Max, maximum value; Min, minimum value; --, missing data]
DAY	DEC		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV
	Max	Min	Max	Min	Max	Min	Max	Min	Max	Min	Max	Min	Max	Min	Max	Min	Max	Min	Max	Min	Max	Min	Max	Min
1	6,900	4,600	6,100	2,900	6,900	3,900	5,500	2,600	3,600	1,400	3,000	940	1,300	380	2,300	420	6,300	3,200	7,800	5,400	7,500	5,000	5,900	2,400
2	7,200	4,400	6,500	3,000	5,900	3,600	5,400	2,700	3,200	1,300	2,800	950	1,800	320	2,100	470	6,900	3,500	8,100	5,000	7,000	4,800	5,200	2,400
3	6,900	4,500	6,500	3,100	6,000	3,500	6,500	3,100	2,800	860	2,400	670	2,200	320	2,300	450	6,800	3,700	8,500	5,100	7,300	4,700	5,300	2,300
4	6,600	4,300	7,100	3,200	6,200	3,600	4,300	2,600	1,900	800	1,700	440	3,200	630	--	--	7,000	3,400	8,200	5,300	8,100	5,000	6,100	2,500
5	6,500	4,100	7,100	3,600	6,200	3,200	4,800	2,500	2,700	840	1,800	430	3,100	700	--	--	6,800	3,400	8,100	5,000	8,100	5,100	5,800	2,500
6	6,900	4,100	6,900	3,800	6,700	3,500	5,000	2,200	3,500	900	2,400	520	2,900	520	--	--	7,200	3,200	8,100	5,300	7,100	4,900	5,800	2,500
7	6,200	4,300	6,800	3,700	6,900	3,200	4,300	1,800	3,800	1,400	2,000	470	4,500	550	--	--	7,200	3,500	8,100	5,300	7,800	5,200	4,900	2,300
8	6,900	4,200	7,300	3,900	6,700	3,100	5,300	2,000	4,500	1,900	3,000	460	4,500	900	6,000	1,500	7,200	3,900	7,900	5,400	7,600	5,000	5,800	2,300
9	6,900	4,500	7,400	4,100	6,400	3,400	5,400	2,300	4,100	1,300	3,000	640	3,300	670	6,000	1,900	7,200	4,100	8,200	5,100	7,600	5,300	4,000	2,200
10	6,900	4,400	6,800	3,600	6,700	3,200	4,000	2,100	3,300	1,200	2,600	590	2,500	510	5,600	1,900	7,300	4,200	8,100	5,500	7,600	5,300	4,900	2,200
11	6,800	4,300	7,500	4,100	6,200	2,800	4,400	1,400	3,600	1,000	2,200	540	2,500	460	5,500	2,200	7,000	4,300	8,200	5,700	7,200	5,400	4,200	2,100
12	7,300	4,700	6,800	3,900	6,900	2,900	4,800	1,500	3,600	1,300	2,300	560	2,400	390	6,100	2,200	6,900	4,200	8,200	5,500	6,700	4,900	3,600	1,800
13	7,600	4,800	6,700	3,900	5,500	2,800	5,200	1,800	3,600	1,400	2,000	570	2,200	440	5,900	2,700	6,500	4,100	8,000	5,800	7,500	4,700	4,600	1,900
14	6,900	4,800	5,300	3,300	5,500	2,800	4,800	2,200	3,000	1,400	2,400	430	2,800	480	5,700	2,700	6,800	4,200	7,700	5,600	6,500	4,000	5,100	1,900
15	6,500	4,300	6,000	2,900	5,000	2,600	4,100	2,300	3,500	1,400	990	190	2,600	480	5,700	2,700	6,300	4,000	7,500	5,400	6,700	3,800	4,500	2,000
16	7,200	4,600	6,100	3,200	4,900	2,400	4,200	2,300	3,600	1,300	1,300	170	2,400	520	5,500	2,900	6,300	3,700	7,000	5,000	6,900	4,300	4,800	1,800
17	7,500	4,700	6,500	3,300	5,300	2,600	5,000	2,400	3,200	1,200	1,500	120	2,000	450	6,000	2,900	6,500	3,700	7,600	5,000	6,700	3,700	5,600	2,300
18	6,600	4,300	6,400	3,400	5,800	2,800	5,500	2,700	3,200	1,100	1,300	91	1,700	400	6,000	3,100	6,900	3,900	8,000	5,200	6,200	3,200	4,800	1,400
19	7,000	4,300	6,500	3,400	6,800	2,900	5,300	2,500	3,100	1,200	1,900	110	1,400	410	5,800	3,100	7,000	4,000	8,000	5,200	6,200	2,800	2,100	850
20	6,600	4,100	6,500	3,900	6,400	3,400	5,300	2,800	3,300	1,000	1,800	190	1,700	360	6,300	3,000	7,000	4,100	7,800	5,400	4,300	2,500	2,900	790
21	5,700	3,300	6,900	3,900	5,800	3,200	4,700	2,500	2,600	1,000	2,100	190	1,700	340	6,300	3,200	6,900	4,500	7,100	5,300	4,800	2,200	3,100	630
22	7,100	3,100	5,800	3,400	6,300	3,200	3,800	2,000	--	--	2,300	190	1,800	310	6,300	3,200	7,200	4,500	7,200	5,200	5,000	2,000	3,200	630
23	7,600	3,800	6,300	3,100	6,000	3,000	4,200	2,100	--	--	2,600	250	1,800	310	5,500	2,900	6,200	4,200	6,900	5,100	4,100	2,100	1,800	390
24	6,800	4,000	6,900	3,400	6,400	3,000	4,100	1,700	--	--	2,500	290	2,000	320	4,500	2,500	6,800	4,500	7,200	5,300	4,300	2,000	1,200	390
25	7,100	3,800	6,900	3,800	7,100	3,300	5,000	1,800	--	--	2,400	310	1,800	340	5,700	3,000	6,700	4,300	7,400	5,400	4,800	2,100	1,700	380
26	6,900	3,800	6,900	3,500	6,600	3,700	5,300	2,200	--	--	2,700	390	2,200	370	6,100	3,100	6,500	4,300	7,700	5,400	5,000	2,100	2,700	380
27	7,700	4,000	6,500	3,300	6,600	3,600	4,800	2,300	4,000	1,400	2,400	390	2,100	390	5,700	3,200	6,500	4,400	7,900	5,300	4,600	2,000	2,600	480
28	7,500	3,800	6,900	3,500	4,800	2,800	4,700	2,100	3,900	1,500	2,200	410	1,800	350	5,400	3,000	7,000	4,400	7,200	5,000	4,600	1,900	3,200	500
29	7,200	3,300	7,200	3,600			4,800	1,900	4,100	1,300	1,900	400	2,100	310	6,000	3,300	7,200	4,800	7,800	5,100	4,700	1,700	3,100	490
30	6,800	3,200	6,900	3,900			4,100	1,700	3,200	1,200	1,900	410	2,400	360	5,800	3,300	7,100	4,400	7,600	5,100	5,200	2,300	2,700	560
31	6,200	3,100	7,100	3,700			3,300	1,500			1,700	430			6,000	3,200	7,200	4,300			6,400	2,800
Mean	6,900	4,100	6,700	3,500	6,200	3,100	4,800	2,200	3,400	1,200	2,200	410	2,400	440	5,400	2,500	6,900	4,000	7,800	5,300	6,300	3,600	4,000	1,500
Max	7,700	4,800	7,500	4,100	7,100	3,900	6,500	3,100	4,500	1,900	3,000	950	4,500	900	6,300	3,300	7,300	4,800	8,500	5,800	8,100	5,400	6,100	2,500
Min	5,700	3,100	5,300	2,900	4,800	2,400	3,300	1,400	1,900	800	990	91	1,300	310	2,100	420	6,200	3,200	6,900	5,000	4,100	1,700	1,200	380