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 0.3670215 0.137429 0.596614 8 h after light 0.348676 0.278305 0.419047 12 h after light 0.0771955 0.0 0.154391 2 h after dark 0.0756975 0.0 0.151395 4 h after dark 0.06622795000000001 0.0649987 0.0674572 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0