Appendix 1

 

Precipitation

 

 

Volts

Foot candles

Test #1

15.43

1250

Test #2

13.81

1000

Test #3

8.72

150

Test #4

12.19

300

Mean

12.66

450

 

 

Overcast

 

 

Volts

Foot candles

Test #1

16.89

1750

Test #2

14.97

1200

Test #3

12.84

750

Mean

14.88

1233

 

 

Partly Cloudy

 

 

Volts

Foot candles

Test #1

19.3

2750

Test #2

17.12

1600

Mean

18.21

2175

 

 

Sunny

 

 

Volts

Foot candles

Test #1

21.09

4750

Test #2

20.43

3750

Test #3

20.88

4750

Test #4

20.55

4750

Mean

20.74

4500

 

 

Standard Deviation (volts)

Standard Error (volts)

Precipitation

2.64

0.423

Overcast

1.71

0.31

Partly Cloudy

1.15

0.26

Sunny

0.33

0.05