condition	mean	min	max
4 h after light	9.86209	9.662930000000001	9.97998
8 h after light	9.941463333333333	9.50918	10.19547
12 h after light	9.911596666666666	9.665560000000001	10.13228
4 h after dark	9.6881	9.30011	9.90254
8 h after dark	9.682343333333334	9.300239999999999	9.95383
12 h after dark	9.58146	9.365969999999999	9.83359