Table 7: Probability Density Functions for the NREL Oct Data Set, given by hour.

Hour Mean σ/S Distribution R2
0 -0.0077 0.0225 Logistic 0.8983
1 -0.0090 0.0208 Logistic 0.9550
2 -0.0114 0.0388 Logistic 0.9409
3 -0.0197 0.0338 Logistic 0.9441
4 -0.0269 0.0439 Logistic 0.9157
5 -0.0189 0.0366 Logistic 0.9952
6 -0.0220 0.0370 Logistic 0.9243
7 0.0054 0.0310 Normal 0.9796
8 0.0550 0.0470 Normal 0.9901
9 0.0934 0.0636 Normal 0.9782
10 0.1317 0.1257 Normal 0.8545
11 0.1618 0.0899 Normal 0.9905
12 0.1777 0.0817 Normal 0.9882
13 0.1467 0.0688 Normal 0.9858
14 0.1046 0.0521 Normal 0.9897
15 0.0405 0.0361 Normal 0.9860
16 -0.0046 0.0230 Logistic 0.9803
17 -0.0169 0.0318 Logistic 0.9280
18 -0.0193 0.0276 Logistic 0.9521
19 -0.0179 0.0224 Logistic 0.9256
20 -0.0112 0.0240 Logistic 0.9727
21 -0.0156 0.0344 Logistic 0.9180
22 -0.0083 0.0349 Logistic 0.9099
23 -0.0106 0.0293 Logistic 0.7165