condition mean min max 4 h after light 302.8 302.8 302.8 8 h after light 267.9 184.6 351.2 12 h after light 200.5 141.9 259.1 4 h after dark 368.65 184.4 552.9 8 h after dark 410.95 218.4 603.5 12 h after dark 300.45 212.6 388.3