condition	mean	min	max
1 h after light	16.60661492	12.988020599999999	20.22520924
3 h after light	15.7953117	13.90288882	18.62191572
5 h after light	14.138671073333333	11.21251679	17.43897516
7 h after light	17.7992461	16.437699300000002	18.6001498
9 h after light	15.93151464	12.321568800000001	18.06833166
11 h after light	17.367135173333335	11.98234654	20.32918894
1 h after dark	18.39456683	18.07388692	18.8803502
3 h after dark	19.219476370000002	15.99821037	21.995779000000002
5 h after dark	19.24693002	17.4677989	20.61938151
7 h after dark	19.119032933333333	18.01476014	20.56526789
9 h after dark	19.66786849	19.24556485	20.14835157
11 h after dark	20.419293593333332	18.2046962	23.88557472