condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.05346705 0.0357351 0.071199 12 h after light 0.0 0.0 0.0 2 h after dark 0.01936575 0.0 0.0387315 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0