condition	mean	min	max
4 h after light	82614.54222333332	61388.44667	97243.42
8 h after light	59824.90333333333	43947.31	81023.4
12 h after light	65777.94	41979.8	78515.81333
1.5 h after dark	57323.33555333333	48728.38	65570.38333
5.5 h after dark	54935.32778	37957.70667	69785.6
9.5 h after dark	59974.62222333333	53394.49	70076.56