condition mean min max 0 h after light 60.67955 56.8186 64.5405 4 h after light 75.1276 65.5617 84.6935 8 h after light 57.9474 54.1782 61.7166 4 h after dark 105.86885 97.9617 113.776 8 h after dark 123.7995 122.313 125.286 12 h after dark 75.15165 58.5944 91.7089