condition mean min max 0 h after light 0.220346 0.207189 0.233503 4 h after light 0.6784195 0.459622 0.897217 8 h after light 0.156698 0.102491 0.210905 4 h after dark 0.203988 0.152614 0.255362 8 h after dark 0.897038 0.765206 1.02887 12 h after dark 1.4769995 0.879369 2.07463