condition mean min max 4 h after light 12.1232595 9.366408 14.880111 8 h after light 10.441127 10.441127 10.441127 12 h after light 10.37664 9.699845 11.053435 4 h after dark 10.3655985 10.29007 10.441127 8 h after dark 9.9613425 9.778035 10.14465 12 h after dark 11.578976 11.578976 11.578976