condition mean min max 4 h after light 6268.1 6268.1 6268.1 8 h after light 6036.450000000001 4886.6 7186.3 12 h after light 5272.15 4996.1 5548.2 4 h after dark 3870.3 2351.1 5389.5 8 h after dark 3825.05 2889.9 4760.2 12 h after dark 5254.75 5120.4 5389.1