condition mean min max 4 h after light 0.6004475 0.224533 0.976362 8 h after light 5.991875 5.15964 6.82411 12 h after light 4.779764999999999 4.76872 4.79081 4 h after dark 0.938967 0.809412 1.02433 8 h after dark 0.24581633333333333 0.17361 0.303785 12 h after dark 0.4016573333333333 0.0 0.901967