# # U.S. Geological Survey # National Water Information System # Retrieved: 2025-01-06 20:30:14 EST # # ---------------------------------- 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 Colorado 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 09011000 COLORADO RIVER NEAR GRAND LAKE, CO. # # 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 09011000 1905-06-09 1300 2,6 6.30 USGS 09011000 1906-06-13 1090 2,6 6.00 USGS 09011000 1907-07-04 1250 2,6 USGS 09011000 1908-06-22 500 2,6 USGS 09011000 1909-06-20 1620 2,6 6.60 USGS 09011000 1911-06-15 1340 1,2,6 6.40 USGS 09011000 1912-06-06 1060 1,2,6 6.00 USGS 09011000 1913-06-01 740 2,6 USGS 09011000 1914-06-01 17:00 1700 2,6 6.80 USGS 09011000 1915-06-19 18:30 565 2,6 5.20 USGS 09011000 1916-06-16 19:00 666 2,6 5.37 USGS 09011000 1917-06-23 18:00 1620 2,6 6.70 USGS 09011000 1918-06-15 17:00 1840 2,6 7.00 USGS 09011000 1934-05-12 10:00 320 6 5.05 USGS 09011000 1935-06-16 16:30 914 6 5.18 6 USGS 09011000 1936-06-01 11:00 666 6 4.50 USGS 09011000 1937-05-16 04:00 405 6 3.80 USGS 09011000 1938-06-22 18:00 776 6 4.69 USGS 09011000 1939-06-01 06:00 557 6 4.12 USGS 09011000 1940-06-03 05:00 406 6 3.79 USGS 09011000 1941-05-13 23:00 602 6 4.82 USGS 09011000 1942-06-12 22:30 469 6 4.44 USGS 09011000 1943-06-02 17:00 553 6 4.68 USGS 09011000 1944-06-11 05:00 403 6 4.42 6 USGS 09011000 1945-06-25 452 6 5.38 USGS 09011000 1946-06-08 470 6 5.24 USGS 09011000 1947-06-22 694 5.79 USGS 09011000 1948-05-23 568 6 5.58 USGS 09011000 1949-06-21 956 6.08 USGS 09011000 1950-06-18 418 6 5.24 USGS 09011000 1951-06-20 689 6 5.68 USGS 09011000 1952-06-11 1290 6 6.56 USGS 09011000 1953-06-14 630 6 5.69 USGS 09011000 1954-05-20 292 6 4.89 USGS 09011000 1955-05-16 267 6 4.89 USGS 09011000 1956-05-23 702 6 5.81 2 1956-03-31 6.27 1 USGS 09011000 1957-06-30 1310 6.50 USGS 09011000 1958-05-29 942 6.09 USGS 09011000 1959-06-10 515 6 5.51 USGS 09011000 1960-06-05 564 6 5.62 USGS 09011000 1961-06-20 617 5.67 USGS 09011000 1962-06-15 747 5.91 2 1962-02-14 5.98 1 USGS 09011000 1963-05-11 368 5.22 USGS 09011000 1964-05-28 660 5.70 USGS 09011000 1965-06-18 1070 6.28 USGS 09011000 1966-05-08 248 4.81 USGS 09011000 1967-06-24 709 5.82 USGS 09011000 1968-06-06 746 5.88 USGS 09011000 1969-06-24 639 5.73 USGS 09011000 1970-06-26 762 5.97 USGS 09011000 1971-06-24 900 6.25 2 1971-04-20 8.21 1 USGS 09011000 1972-06-04 597 6 5.77 2 1972-03-21 6.19 1 USGS 09011000 1973-06-14 794 6.14 USGS 09011000 1974-05-30 605 6 5.97 USGS 09011000 1975-06-08 494 6 5.59 USGS 09011000 1976-05-22 351 6 5.26 2 1976-03-11 5.34 USGS 09011000 1977-06-06 202 6 4.87 2 1976-11-25 5.10 1 USGS 09011000 1978-06-14 936 6 6.43 USGS 09011000 1979-05-29 774 6 6.16 USGS 09011000 1980-06-12 726 6 6.06 USGS 09011000 1981-06-09 312 6 5.41 2 1981-04-14 5.64 1 USGS 09011000 1982-06-29 362 6 5.47 USGS 09011000 1983-06-21 1290 6 6.80 USGS 09011000 1984-05-25 1310 6 6.81 USGS 09011000 1985-06-09 615 6 5.94 USGS 09011000 1986-06-09 710 6 6.10