condition mean min max 0 h after light 2.07283 1.73214 2.41352 2 h after light 2.864815 2.41781 3.31182 4 h after light 1.4698 1.3624 1.5772 8 h after light 1.2431105 0.830841 1.65538 12 h after light 3.685245 3.06111 4.30938 2 h after dark 2.881265 2.76084 3.00169 4 h after dark 1.575715 1.54647 1.60496 8 h after dark 3.716595 2.90877 4.52442 12 h after dark 2.939955 2.5763 3.30361