condition mean min max 0 h after light 2.703315 1.18236 4.22427 2 h after light 0.0 0.0 0.0 4 h after light 1.56819 0.0 3.13638 8 h after light 1.43723 0.0 2.87446 12 h after light 2.978115 1.80328 4.15295 2 h after dark 0.0 0.0 0.0 4 h after dark 3.134565 1.82466 4.44447 8 h after dark 2.351095 0.0 4.70219 12 h after dark 2.24192 1.43136 3.05248