condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.058951 0.0 0.176853 12 h after light 0.05079 0.0 0.20316 3 h after dark 0.037357999999999995 0.0 0.112074 6 h after dark 0.10691233333333333 0.0 0.320737 9 h after dark 0.0274451 0.0 0.0823353 12 h after dark 0.0432108 0.0 0.0864216