condition mean min max 3 h after light 0.874949 0.762985 1.04059 6 h after light 0.8550853333333334 0.443903 1.2959 9 h after light 0.690481 0.537438 0.885543 12 h after light 1.26684475 0.827622 1.94568 3 h after dark 1.11146 0.84181 1.48245 6 h after dark 0.9311466666666667 0.481801 1.34199 9 h after dark 0.8887433333333333 0.725472 1.07191 12 h after dark 1.2141950000000001 1.00037 1.42802