condition mean min max 0 h after light 2.27937 1.92342 2.63532 2 h after light 2.19301 1.88304 2.50298 4 h after light 1.771455 1.49974 2.04317 8 h after light 1.7792 1.44464 2.11376 12 h after light 3.479715 3.11721 3.84222 2 h after dark 4.731925 4.64839 4.81546 4 h after dark 4.297975 4.14238 4.45357 8 h after dark 3.44192 2.90092 3.98292 12 h after dark 2.5702350000000003 2.15408 2.98639