condition	mean	min	max
4 h after light	9401.944444333332	8286.893333	10310.3
8 h after light	8051.965555666667	7320.42	8833.63
12 h after light	8536.264444333334	8200.66	9132.243333
1.5 h after dark	8522.867777666666	8286.026667	8995.193333
5.5 h after dark	10128.84	8713.35	10857.45333
9.5 h after dark	9934.764443333333	7769.07	11618.32