condition mean min max 0 h after light 138.102 125.596 150.608 4 h after light 123.0625 106.261 139.864 8 h after light 217.172 211.296 223.048 4 h after dark 281.283 268.612 293.954 8 h after dark 231.1685 146.225 316.112 12 h after dark 108.24885 71.0717 145.426