condition mean min max 4 h after light 1.3523399999999999 1.34708 1.3576 8 h after light 1.64989 0.0 3.29978 12 h after light 1.56263 1.34336 1.7819 4 h after dark 1.17416 0.0 2.34832 8 h after dark 1.4606465 0.588403 2.33289 12 h after dark 2.134005 1.95089 2.31712