condition mean min max 4 h after light 1.276523 0.987749 1.80084 8 h after light 1.3532440000000001 0.305132 2.36439 12 h after light 1.99365 1.55896 2.62702 4 h after dark 1.8676266666666665 1.09744 2.55097 8 h after dark 1.4377026666666668 0.954118 1.80065 12 h after dark 1.44585 1.23276 1.6856