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 0.172856 0.0 0.518568 12 h after light 0.19456325000000002 0.0 0.510158 3 h after dark 0.109541 0.0 0.328623 6 h after dark 0.0 0.0 0.0 9 h after dark 0.099763 0.0 0.299289 12 h after dark 0.0 0.0 0.0