condition mean min max 4 h after light 317.513 213.447 397.123 8 h after light 221.18593333333334 98.2938 292.907 12 h after light 207.10233333333335 148.474 263.927 4 h after dark 161.88133333333334 147.991 173.151 8 h after dark 163.155 140.648 181.906 12 h after dark 201.614 144.985 233.486