condition mean min max 4 h after light 0.34895349999999997 0.184337 0.51357 8 h after light 0.375728 0.282592 0.468864 12 h after light 0.437776 0.401909 0.473643 4 h after dark 0.741816 0.523781 1.1099 8 h after dark 0.73519 0.54395 0.991188 12 h after dark 0.6987416666666666 0.494064 1.07148