condition mean min max 4 h after light 11755.4 11755.4 11755.4 8 h after light 11582.900000000001 11238.6 11927.2 12 h after light 11542.05 10594.7 12489.4 4 h after dark 9699.45 8788.9 10610.0 8 h after dark 7314.200000000001 6986.8 7641.6 12 h after dark 7926.05 6911.4 8940.7