condition	mean	min	max
4 h after light	57.32625	49.3553	65.2972
8 h after light	68.5236	66.9792	70.068
12 h after light	65.26815	58.198	72.3383
4 h after dark	102.5898	94.9066	110.273
8 h after dark	91.65575	89.6652	93.6463
12 h after dark	79.5573	79.3248	79.7898