condition mean min max 3 h after light 33.6709 32.658 34.4446 6 h after light 39.5319 36.704 45.1858 9 h after light 48.3887 43.7677 56.1205 12 h after light 40.9421 20.2054 52.3654 3 h after dark 58.35466666666667 54.8749 60.3159 6 h after dark 39.69016666666666 34.105 43.9764 9 h after dark 32.009233333333334 31.2948 32.5285 12 h after dark 15.1264 14.1319 16.1209