condition mean min max 4 h after light 92.3 92.3 92.3 8 h after light 133.7 91.8 175.6 12 h after light 126.10000000000001 79.9 172.3 4 h after dark 87.19999999999999 55.8 118.6 8 h after dark 53.0 22.7 83.3 12 h after dark 21.4 7.0 35.8