Until 2010, hourly data was loaded in to the Wisconsin Beach Health system from the In-lake Water Quality Sensor (Sonde).
Data can be retrieved from 2003 to 2009. The report data can be downloaded by clicking the "Download to csv file" link at the bottom left of the report.

Start Date
End Date			Search

Date and Time	Water temperature (°F)	Specific conductance (microsiemens per centimeter)	pH (standard units)	Dissolved oxygen (milligrams per liter)	Chlorophyll fluorescence (percent full scale)	Turbidity (Nephelometric turbidity units)
10/01/2009 00:00	61	319	8.31	9.14	.3	8.1
09/30/2009 23:30	61	319	8.3	9.15	.2	8.1
09/30/2009 23:00	61	319	8.31	9.15	.1	9.1
09/30/2009 22:30	61	320	8.31	9.1	.2	8.1
09/30/2009 22:00	61	319	8.32	9.31	.3	7.7
09/30/2009 21:30	61	319	8.33	9.37	1.1	7
09/30/2009 21:00	61	319	8.34	9.5	.8	7
09/30/2009 20:30	61	321	8.35	9.7	.2	6.9
09/30/2009 20:00	62	321	8.34	9.52	.2	7.3
09/30/2009 19:45	62	321	8.34	9.56	.2	7.3
09/30/2009 19:30	62	321	8.35	9.57	1.3	7.3
09/30/2009 19:15	62	321	8.35	9.45	.9	7.1
09/30/2009 19:00	62	321	8.35	9.53	.3	7.3
09/30/2009 18:45	62	322	8.34	9.7	1.2	7.2
09/30/2009 18:15	62	322	8.34	9.61	1.5	7.1
09/30/2009 18:00	62	322	8.34	9.5	.2	7.4
09/30/2009 17:45	62	322	8.34	9.61	.1	7.7
09/30/2009 17:30	62	322	8.34	9.6	.2	7.5
09/30/2009 17:15	62	323	8.34	9.54	.5	7.4
09/30/2009 17:00	62	322	8.33	9.77	.2	8.1
09/30/2009 16:45	62	322	8.33	9.71	.3	8.4
09/30/2009 16:30	62	322	8.32	9.71	1.6	8.3
09/30/2009 16:15	62	322	8.32	9.5	.4	8.4
09/30/2009 16:00	62	322	8.32	9.81	.2	7.9
09/30/2009 15:45	62	322	8.31	9.84	2.2	8.1
09/30/2009 15:30	62	323	8.31	9.75	4	7.9
09/30/2009 15:15	62	323	8.3	9.79	.1	9.2
09/30/2009 15:00	62	323	8.3	9.6	2.4	8.5
09/30/2009 14:45	62	323	8.3	9.77	3.5	8.5
09/30/2009 14:30	62	324	8.3	9.61	1.2	8.9
09/30/2009 14:15	62	325	8.31	9.7	.5	9.1
09/30/2009 14:00	61	324	8.3	9.78	2.4	10.2
09/30/2009 13:45	61	324	8.3	9.8	.5	10.2
09/30/2009 13:30	61	324	8.31	9.52	.2	10.6
09/30/2009 13:15	61	324	8.3	9.68	1.1	10.3
09/30/2009 13:00	61	324	8.3	9.74	.6	10.5
09/30/2009 12:45	61	323	8.29	9.65	1.6	10.5
09/30/2009 12:30	61	323	8.29	9.76	1.7	11.3
09/30/2009 12:15	60	322	8.28	9.48	.2	13.4
09/30/2009 12:00	60	322	8.27	9.46	1.2	14.4
09/30/2009 11:45	60	322	8.23	9.2	.7	18.2
09/30/2009 11:30	60	322	8.26	9.63	1.8	16.3
09/30/2009 11:15	60	322	8.23	9.26	.6	20.6
09/30/2009 11:00	60	322	8.24	9.2	1.2	19.2
09/30/2009 10:45	60	323	8.27	9.6	4.1	14.6
09/30/2009 10:30	60	323	8.26	9.32	.3	16.3
09/30/2009 10:15	60	324	8.27	9.54	9.5	14.7
09/30/2009 10:00	60	324	8.26	9.45	3.4	17.3
09/30/2009 09:45	60	324	8.26	9.5	.9	16.4
09/30/2009 09:30	60	324	8.26	9.55	.6	16.1
Download to CSV row(s) 1 - 50 of 7852 Next