condition mean min max 4 h after light 59.0203 55.6687 62.3719 8 h after light 44.29275 40.2607 48.3248 12 h after light 37.9302 34.6684 41.192 4 h after dark 46.5287 45.2741 47.7833 8 h after dark 56.067750000000004 55.4612 56.6743 12 h after dark 63.14265 61.459 64.8263