condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.105498 0.0 0.210996 4 h after light 0.0 0.0 0.0 8 h after light 0.0970435 0.0 0.194087 12 h after light 0.0 0.0 0.0 2 h after dark 0.096741 0.0 0.193482 4 h after dark 0.368092 0.36126 0.374924 8 h after dark 0.0 0.0 0.0 12 h after dark 0.100305 0.0 0.20061