LDR resistance measurement

	A	B	C	D	F	G	H	I
1	Measuring LDR resistance from dusk to night

2	Schematic and description	http://electromotiveforces.blogspot.com/2011/05/measuring-ldr-resistance-from-dusk-to.html
3	circuit positioned by the window with LDR pointing toward the sky
4	DMM	Fluke 8842A DCV auto ranging mode
5
6	Vdd	4.987	volts
7	R2	1.014	Mohm
8
9		voltage reading across R2 (volts)				computed LDR resistance (Mohms)
10	Time of day	14-May-2011	15-May-2011	17-May-2011	Time of day	14-May-2011	15-May-2011	17-May-2011
11	5:30 PM		4.979		5:30 PM	#DIV/0!	0.002	#DIV/0!
12	5:35 PM		4.977		5:35 PM	#DIV/0!	0.002	#DIV/0!
13	5:40 PM	4.959	4.975		5:40 PM	0.006	0.002	#DIV/0!
14	5:45 PM	4.955	4.973	4.971	5:45 PM	0.007	0.003	0.003
15	5:50 PM	4.952	4.971	4.969	5:50 PM	0.007	0.003	0.004
16	5:55 PM	4.948	4.969	4.960	5:55 PM	0.008	0.004	0.006
17	6:00 PM	4.940	4.965	4.951	6:00 PM	0.010	0.004	0.007
18	6:05 PM	4.929	4.958	4.945	6:05 PM	0.012	0.006	0.009
19	6:10 PM	4.880	4.944	4.932	6:10 PM	0.022	0.009	0.011
20	6:15 PM	4.837	4.927	4.916	6:15 PM	0.031	0.012	0.015
21	6:20 PM	4.736	4.897	4.874	6:20 PM	0.054	0.019	0.024
22	6:25 PM	4.457	4.814	4.682	6:25 PM	0.121	0.036	0.066
23	6:30 PM	3.791	4.443	3.828	6:30 PM	0.320	0.124	0.307
24	6:35 PM	2.430	3.387	2.678	6:35 PM	1.067	0.479	0.874
25	6:40 PM	1.076	1.908	1.473	6:40 PM	3.686	1.636	2.419
26	6:45 PM	0.500	0.883	0.758	6:45 PM	9.100	4.713	5.657
27	6:50 PM	0.351	0.552	0.459	6:50 PM	13.393	8.147	10.003
28	6:55 PM	0.313	0.430	0.352	6:55 PM	15.142	10.746	13.352
29	7:00 PM	0.317	0.321	0.314	7:00 PM	14.938	14.739	15.091
30	7:05 PM	0.315	0.297	0.305	7:05 PM	15.039	16.012	15.566
31	7:10 PM	0.323	0.297	0.368	7:10 PM	14.642	16.012	12.727
32	7:15 PM		0.297	0.452	7:15 PM	#DIV/0!	16.012	10.174
33	7:20 PM		0.296	0.459	7:20 PM	#DIV/0!	16.070	10.003
34	7:25 PM		0.304	0.374	7:25 PM	#DIV/0!	15.620	12.507
35	7:30 PM		0.302	0.349	7:30 PM	#DIV/0!	15.730	13.475
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