condition mean min max 4 h after light 2520.925086 1866.72074 3175.129432 8 h after light 1715.9251195000002 1062.118182 2369.732057 12 h after light 477.495047 444.232057 510.758037 4 h after dark 337.278246 203.426072 471.13042 8 h after dark 229.91026749999997 143.613395 316.20714 12 h after dark 497.616672 497.616672 497.616672