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 |