condition mean min max 4 h after light 1.76834 1.34759 1.98905 8 h after light 3.71061 1.0311 5.19459 12 h after light 4.387893333333333 2.7982 5.18339 4 h after dark 5.2229 4.36277 6.15236 8 h after dark 4.467513333333334 2.23511 6.14859 12 h after dark 3.2092366666666665 2.39047 3.68126