condition mean min max 4 h after light 1741.7193085000001 1330.540148 2152.898469 8 h after light 1822.6962705 1245.317663 2400.074878 12 h after light 2699.985219 1941.353766 3458.616672 4 h after dark 2957.7389855 2723.63053 3191.847441 8 h after dark 3721.6545435 3601.8227 3841.486387 12 h after dark 3225.499297 3225.499297 3225.499297