condition	mean	min	max
1 h after light	19.02144136	14.40542771	23.92601429
3 h after light	19.974175743333333	15.9614388	23.02155983
5 h after light	16.278799926666668	13.29470193	21.67369953
7 h after light	16.9490305	14.36824258	19.25567997
9 h after light	14.596623836666666	11.543762199999998	16.91186287
11 h after light	14.364325373333333	11.0206075	16.88769586
13 h after light	19.217596626666666	16.53105614	23.1532522
15 h after light	16.20411868	15.26118482	17.11672164
1 h after dark	18.276044823333333	16.34481117	20.62894333
3 h after dark	20.089297823333332	16.42854093	24.37109612
5 h after dark	21.794224693333334	15.76714872	25.38606129
7 h after dark	22.33954998666667	20.79551109	23.64473503