condition mean min max 0 h after light 1.0072665 0.804953 1.20958 4 h after light 1.944515 1.64038 2.24865 8 h after light 1.4070844999999998 0.955959 1.85821 4 h after dark 1.5189 1.18585 1.85195 8 h after dark 1.9880750000000003 1.46568 2.51047 12 h after dark 1.127145 1.04848 1.20581