condition mean min max 4 h after light 21.701999999999998 12.826 26.487 8 h after light 35.18775333333333 9.33776 56.726 12 h after light 35.17373333333333 25.7376 45.3718 4 h after dark 44.050466666666665 34.7324 49.4278 8 h after dark 36.162 22.0387 54.1641 12 h after dark 34.1727 31.6317 37.5493