# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-12-15 03:47:02 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 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 06642000 NORTH PLATTE RIVER AT ALCOVA, WY # # 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 06642000 1904-05-27 11600 6 10.85 USGS 06642000 1905-06-06 13400 6 11.35 6 USGS 06642000 1935-07-08 6000 6 6.27 USGS 06642000 1936-05-29 6050 6 6.32 USGS 06642000 1937-07-08 6500 6 6.53 USGS 06642000 1938-07-12 9880 6 7.57 USGS 06642000 1939-05-27 5200 6 USGS 06642000 1940-07-14 4060 6 USGS 06642000 1941-06-28 5910 6 6.42 USGS 06642000 1942-07-25 5690 6 6.27 USGS 06642000 1943-07-15 5710 6 6.23 USGS 06642000 1944-07-25 5640 6 6.19 USGS 06642000 1945-09-02 5650 6 6.20 USGS 06642000 1946-06-18 5630 6 6.15 USGS 06642000 1947-08-04 5550 6 6.17 USGS 06642000 1948-07-09 5500 6 6.14 USGS 06642000 1949-07-10 5920 6 6.27 USGS 06642000 1950-07-24 6070 6 6.50 USGS 06642000 1951-07-10 5440 6 6.05 USGS 06642000 1952-06-14 8080 6 7.22 USGS 06642000 1953-07-10 5260 6 USGS 06642000 1954-07-12 5730 6 6.11 USGS 06642000 1955-07-17 5840 6 6.30 USGS 06642000 1956-07-21 5400 6 6.14 USGS 06642000 1957-07-18 5770 6 6.10 USGS 06642000 1958-08-07 5020 6 5.88 USGS 06642000 1959-07-31 3650 6 5.12 USGS 06642000 1960-08-22 2530 6 4.50 USGS 06642000 1961-08-15 1660 6 3.14 6 USGS 06642000 1962-05-25 2660 6 3.88 USGS 06642000 1963-08-23 2930 6 4.13 2 1963-09-23 4.16 USGS 06642000 1964-08-15 2780 6 3.95 2 1964-09-03 3.96 USGS 06642000 1965-05-12 2250 6 3.64 USGS 06642000 1966-08-14 3500 6 4.48 USGS 06642000 1967-04-16 1760 6 3.27 USGS 06642000 1968-08-16 3340 6 4.38 USGS 06642000 1969-06-25 2660 6 4.17 USGS 06642000 1969-10-01 1760 6 3.22 USGS 06642000 1971-06-16 4080 6 4.89 USGS 06642000 1972-06-27 3580 6 4.68 USGS 06642000 1973-06-03 7330 6 6.28 USGS 06642000 1974-06-30 4130 6 5.26 USGS 06642000 1975-08-21 3930 6 4.74 USGS 06642000 1976-08-01 4230 6 4.86 USGS 06642000 1977-08-09 3760 6 4.67 USGS 06642000 1978-08-22 3620 6 4.54 USGS 06642000 1979-08-06 3710 6 4.60 2 1979-08-20 4.62 1 USGS 06642000 1980-06-01 3070 6 4.17 2 1980-08-23 4.25 USGS 06642000 1981-08-19 2900 6 4.14 USGS 06642000 1982-09-13 2210 6 3.62 USGS 06642000 1983-07-08 8220 6 6.66 USGS 06642000 1984-06-08 8890 6 7.06 USGS 06642000 1985-08-20 4080 6 5.00 USGS 06642000 1986-07-17 5710 6 5.78 USGS 06642000 1987-08-09 2710 6 4.39 USGS 06642000 1988-09-06 3530 6 5.06 USGS 06642000 1989-08-26 4560 6 5.70 USGS 06642000 1990-08-19 3530 6 5.16 USGS 06642000 1991-08-23 3040 6 5.34 2 1991-08-28 5.39 1 USGS 06642000 1992-09-08 2590 6 5.21 USGS 06642000 1993-07-15 3930 6 4.93 2 1993-08-26 5.09 USGS 06642000 1993-10-13 4300 6 5.92 2 1994-08-23 6.08 USGS 06642000 1995-09-06 1710 6 4.35 2 1995-09-14 4.52 USGS 06642000 1996-06-14 4580 6 5.11 2 1995-10-16 6.02 1 USGS 06642000 1997-06-18 5450 6 5.54 USGS 06642000 1997-10-06 4250 6 5.61