condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.05447233333333333 0.0 0.108531 12 h after light 0.028241066666666665 0.0 0.0425079 4 h after dark 0.0 0.0 0.0 8 h after dark 0.033263 0.0 0.099789 12 h after dark 0.03117246802 0.0 0.0935174