condition mean min max 4 h after light 596.3368949999999 556.518656 636.155134 8 h after light 765.512608 675.793159 855.232057 12 h after light 843.535997 802.782159 884.289835 4 h after dark 995.4913220000001 994.361628 996.621016 8 h after dark 854.2449905 770.747616 937.742365 12 h after dark 655.95232 655.95232 655.95232