condition mean min max 4 h after light 141.076971 105.308982 176.84496 8 h after light 195.27312849999998 154.083431 236.462826 12 h after light 146.7994425 144.275771 149.323114 4 h after dark 137.446406 135.190348 139.702464 8 h after dark 151.0221545 133.95916 168.085149 12 h after dark 109.362944 109.362944 109.362944