condition mean min max 1 h after light 7.592062643 6.864028252000001 8.994742213 3 h after light 7.055384137000001 6.139082622 8.389987062000001 5 h after light 7.536174506333333 6.699692311000001 8.266248193 7 h after light 7.160670685333334 6.460140073 8.085686186 9 h after light 6.865283015 5.816973921000001 8.026519621 11 h after light 6.738829524 4.789059803 9.319113244 13 h after light 7.016564038666667 5.602191247 9.42131194 15 h after light 6.964810625666666 6.21751974 7.3581028989999995 1 h after dark 9.031427042333334 6.658401371 11.46564038 3 h after dark 7.512062312333334 6.638944587 8.223010426 5 h after dark 8.548128058333333 7.340293404 10.10348259 7 h after dark 9.102282891333333 7.219838436 10.67482394