condition mean min max 4 h after light 281.193488 220.561574 341.825402 8 h after light 422.591854 335.567036 509.616672 12 h after light 258.132389 179.010837 337.253941 4 h after dark 193.7110005 176.077971 211.34403 8 h after dark 211.7018515 194.34791 229.055793 12 h after dark 167.701009 167.701009 167.701009