condition mean min max 4 h after light 2.53484 2.17868 2.891 8 h after light 4.298344999999999 4.09002 4.50667 12 h after light 10.729225 9.79855 11.6599 4 h after dark 10.035910000000001 9.27912 10.7927 8 h after dark 7.889075 7.51469 8.26346 12 h after dark 4.536905 4.34094 4.73287