condition mean min max 4 h after light 86.0877725 75.40987 96.765675 8 h after light 143.0354025 103.294091 182.776714 12 h after light 130.6840985 117.955897 143.4123 4 h after dark 195.1129355 141.839968 248.385903 8 h after dark 160.5523375 130.472015 190.63266 12 h after dark 106.385904 106.385904 106.385904