condition	mean	min	max
4 h after light	7.13648	7.071689999999999	7.187069999999999
8 h after light	7.317049999999999	7.297739999999999	7.354239999999999
12 h after light	7.370979999999999	7.292439999999999	7.43865
4 h after dark	7.748423333333333	7.568969999999999	7.93645
8 h after dark	7.713723333333333	7.69337	7.75437
12 h after dark	7.555123333333333	7.36677	7.7903199999999995