condition	mean	min	max
4 h after light	57.5822	56.8312	58.3332
8 h after light	43.06685	41.5072	44.6265
12 h after light	23.6849	21.1399	26.2299
4 h after dark	24.97925	23.3935	26.565
8 h after dark	29.6518	28.0121	31.2915
12 h after dark	57.6799	56.0631	59.2967