# # National Water Information System # 2024/11/21 # # # Date Retrieved: USGS Water Data for the Nation Help System # grade_cd display_nm 2s 100s -1 UNSP -2 UNUSABLE 0 UNDEF 4 Statistic computed from less than expected number of instantaneous values for the period 50 DEFAULT 90 Daily mean calculated from data on this day matches published daily mean to nearest hundredth 91 Daily mean calculated from data on this day matches published daily mean within 1 percent 92 Daily mean calculated from data on this day matches published daily mean within 5 percent 93 Daily mean calculated from data on this day matches published daily mean within 10 percent 99 Value considered correct but published daily mean value does not exist and or no comparison was made