condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0235019 0.0 0.0470038 4 h after dark 0.018641366666666666 0.0 0.0559241 8 h after dark 0.0 0.0 0.0 12 h after dark 0.009158966666666666 0.0 0.0274769