condition mean min max 4 h after light 1.8182749999999999 1.35708 2.27947 8 h after light 1.814315 1.20138 2.42725 12 h after light 2.50468 1.67555 3.33381 4 h after dark 3.3775399999999998 3.09801 3.65707 8 h after dark 2.893485 2.65336 3.13361 12 h after dark 2.74214 2.72339 2.76089