condition mean min max 4 h after light 16418.4 16418.4 16418.4 8 h after light 16588.4 16150.8 17026.0 12 h after light 17579.25 15865.0 19293.5 4 h after dark 15973.0 15098.9 16847.1 8 h after dark 12639.05 12335.7 12942.4 12 h after dark 10207.150000000001 8978.1 11436.2