condition mean min max 4 h after light 365.4 365.4 365.4 8 h after light 317.95000000000005 302.8 333.1 12 h after light 223.9 180.3 267.5 4 h after dark 133.05 64.7 201.4 8 h after dark 30.25 8.7 51.8 12 h after dark 94.5 20.7 168.3