condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.02365335 0.0 0.0473067 12 h after light 0.0 0.0 0.0 4 h after dark 0.040346 0.0 0.121038 8 h after dark 0.18144153333333332 0.0203536 0.298813 12 h after dark 0.07566433333333333 0.0 0.226993