# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-21 08:36:51 EDT # # ---------------------------------- WARNING ---------------------------------------- # Some of the data that you have obtained from this U.S. Geological Survey database # may not have received Director's approval. Any such data values are qualified # as provisional and are subject to revision. Provisional data are released on the # condition that neither the USGS nor the United States Government may be held liable # for any damages resulting from its use. # # More data may be available offline. # For more information on these data, contact USGS Water Data Inquiries. # This file contains the annual peak streamflow data. # # This information includes the following fields: # # agency_cd Agency Code # site_no USGS station number # peak_dt Date of peak streamflow (format YYYY-MM-DD) # peak_tm Time of peak streamflow (24 hour format, 00:00 - 23:59) # peak_va Annual peak streamflow value in cfs # peak_cd Peak Discharge-Qualification codes (see explanation below) # gage_ht Gage height for the associated peak streamflow in feet # gage_ht_cd Gage height qualification codes # year_last_pk Peak streamflow reported is the highest since this year # ag_dt Date of maximum gage-height for water year (if not concurrent with peak) # ag_tm Time of maximum gage-height for water year (if not concurrent with peak # ag_gage_ht maximum Gage height for water year in feet (if not concurrent with peak # ag_gage_ht_cd maximum Gage height code # # Sites in this file include: # USGS 04133500 THUNDER BAY RIVER NEAR BOLTON, MI # # Peak Streamflow-Qualification Codes(peak_cd): # 1 ... Discharge is a Maximum Daily Average # 2 ... Discharge is an Estimate # 3 ... Discharge affected by Dam Failure # 4 ... Discharge less than indicated value, # which is Minimum Recordable Discharge at this site # 5 ... Discharge affected to unknown degree by # Regulation or Diversion # 6 ... Discharge affected by Regulation or Diversion # 7 ... Discharge is an Historic Peak # 8 ... Discharge actually greater than indicated value # 9 ... Discharge due to Snowmelt, Hurricane, # Ice-Jam or Debris Dam breakup # A ... Year of occurrence is unknown or not exact # Bd ... Day of occurrence is unknown or not exact # Bm ... Month of occurrence is unknown or not exact # C ... All or part of the record affected by Urbanization, # Mining, Agricultural changes, Channelization, or other # F ... Peak supplied by another agency # O ... Opportunistic value not from systematic data collection # R ... Revised # # Gage height qualification codes(gage_ht_cd,ag_gage_ht_cd): # 1 ... Gage height affected by backwater # 2 ... Gage height not the maximum for the year # 3 ... Gage height at different site and(or) datum # 4 ... Gage height below minimum recordable elevation # 5 ... Gage height is an estimate # 6 ... Gage datum changed during this year # 7 ... Debris, mud, or hyper-concentrated flow # 8 ... Gage height tidally affected # Bd ... Day of occurrence is unknown or not exact # Bm ... Month of occurrence is unknown or not exact # F ... Peak supplied by another agency # R ... Revised # # agency_cd site_no peak_dt peak_tm peak_va peak_cd gage_ht gage_ht_cd year_last_pk ag_dt ag_tm ag_gage_ht ag_gage_ht_cd 5s 15s 10d 6s 8s 33s 8s 27s 4s 10d 6s 8s 27s USGS 04133500 1946-03-15 3090 6 8.78 USGS 04133500 1947-04-12 3250 6 9.00 2 1947-04-08 9.02 1 USGS 04133500 1948-03-23 1890 6 7.24 2 1948-03-21 9.08 1 USGS 04133500 1949-03-29 1220 6 5.96 USGS 04133500 1950-03-29 2300 1,6 1950-03-31 9.07 1 USGS 04133500 1951-04-01 2000 6 7.38 USGS 04133500 1952-04-15 2710 6 8.27 USGS 04133500 1953-03-20 1800 6 6.90 USGS 04133500 1954-04-09 2300 6 7.71 USGS 04133500 1955-04-21 1860 6 7.02 USGS 04133500 1956-04-06 2100 6 7.39 USGS 04133500 1957-05-24 2240 6 7.61 USGS 04133500 1958-03-29 671 6 4.74 2 1958-01-13 5.95 1 USGS 04133500 1959-04-07 3350 6 9.12 USGS 04133500 1960-05-11 2840 6 8.48 USGS 04133500 1961-03-28 1320 6 6.05 2 1960-12-24 6.13 1 USGS 04133500 1962-03-31 3300 2,6 1962-03-30 9.98 1 USGS 04133500 1963-03-31 3290 2,6 9.09 2 1963-03-31 1200 9.38 1 USGS 04133500 1964-04-08 820 6 5.09 2 1963-12-21 5.15 1 USGS 04133500 1965-04-13 4070 6 9.99 USGS 04133500 1966-03-15 1220 6 5.87 2 1966-02-12 6.63 1 USGS 04133500 1967-04-01 3600 6 9.44 USGS 04133500 1968-03-20 1490 6 6.36 2 1968-01-06 6.77 1 USGS 04133500 1969-04-08 1900 6 7.07 2 1968-12-15 7.36 1 USGS 04133500 1970-04-10 1970 6 7.19 USGS 04133500 1971-04-13 3750 6 9.30 USGS 04133500 1972-04-16 3620 6 9.17 USGS 04133500 1973-08-02 2050 6 7.32 USGS 04133500 1974-07-06 3270 6 9.03 2 1974-03-06 9.41 1 USGS 04133500 1975-04-20 2420 6 8.03 USGS 04133500 1976-03-26 4290 6 10.29 2 1976-03-25 10.49 1 USGS 04133500 1977-03-16 2250 6 7.63 USGS 04133500 1978-04-13 2090 6 7.38 USGS 04133500 1979-03-20 2020 6 7.14 USGS 04133500 1980-04-09 2090 6 7.35