condition mean min max 3 h after light 0.2194488 0.0770234 0.373069 6 h after light 0.4092263333333333 0.274746 0.543283 9 h after light 0.43602766666666665 0.0 0.839227 12 h after light 0.3766378 0.0887244 0.87019 3 h after dark 0.23758059999999998 0.0717338 0.377519 6 h after dark 0.502337 0.449881 0.60486 9 h after dark 0.5693573333333334 0.379549 0.867969 12 h after dark 1.123076 0.74693 1.77895