condition mean min max 3 h after light 0.21100466666666667 0.117347 0.322658 6 h after light 0.502821 0.166864 0.972308 9 h after light 0.27279566666666666 0.123969 0.374486 12 h after light 0.030226625 0.0 0.0430192 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0204529 0.0 0.0613587 12 h after dark 0.0184235 0.0 0.036847