condition mean min max 4 h after light 53.40705 49.8495 56.9646 8 h after light 33.0317 32.3254 33.738 12 h after light 54.182550000000006 50.8663 57.4988 4 h after dark 56.834999999999994 56.8257 56.8443 8 h after dark 55.7424 55.2683 56.2165 12 h after dark 68.62705 67.3945 69.8596