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Year: 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 1976 1975 1974 1973 1972 1971 1970 1969 1968 1967 1966 1965 1964 1963 1962 1961 1960 1959 1958 1957 1956 1955 1954 1953 1952 1951 1950 1949 1948 1947 1946 1945 1944 1943 1942 1941 1940 Month: January February March April May June July August September October November December Day: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

ENDING DATE:

Year: 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 1976 1975 1974 1973 1972 1971 1970 1969 1968 1967 1966 1965 1964 1963 1962 1961 1960 1959 1958 1957 1956 1955 1954 1953 1952 1951 1950 1949 1948 1947 1946 1945 1944 1943 1942 1941 1940 Month: January February March April May June July August September October November December Day: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

PARAMETERS: (Not all parameters applicable to all stations)

Select up to five parameters (Ctrl-Click to select multiple parameters) AF - Reservoir Storage Content (acre-feet) AF_ACT - Reservoir Active Storage Content (acre-feet) AF_AVG - Reservoir Historic Average Content (acre-feet) AF_I - Reservoir Storage Content - imported data (acre-feet) AF_IN - Daily Mean Computed Inflow (acre-feet) AF_MTER - Reservoir Storage Content, Mt. Elbert (acre-feet) AF_T_M - Reservoir Storage Content, Twin Lakes and Mt Elbert (acre-feet) BH - Barometric Pressure (mm of Hg) CFHVE - Helena Valley Turbine Discharge (cfs) CFHVP - Helena Valley Pump Discharge (cfs) CFQ - Canyon Ferry Total Discharge (cfs) CFQE - Canyon Ferry Total Turbine Discharge (cfs) CFQE1 - Canyon Ferry Turbine No. 1 Discharge (cfs) CFQE2 - Canyon Ferry Turbine No. 2 Discharge (cfs) CFQE3 - Canyon Ferry Turbine No. 3 Discharge (cfs) CFQEM - Canyon Ferry Total Acoustic Meter Turbine Discharge (cfs) CFQR - Canyon Ferry River Discharge (cfs) CFRV - Canyon Ferry River Discharge (cfs) CFRV1 - Canyon Ferry River Outlet Gate No. 1 Discharge (cfs) CFRV2 - Canyon Ferry River Outlet Gate No. 2 Discharge (cfs) CFRV3 - Canyon Ferry River Outlet Gate No. 3 Discharge (cfs) CFRV4 - Canyon Ferry River Outlet Gate No. 4 Discharge (cfs) CFRVT - Canyon Ferry River Outlet Total Discharge (cfs) CFSP1 - Canyon Ferry Spillway Gate No. 1 Discharage (cfs) CFSP2 - Canyon Ferry Spillway Gate No. 2 Discharage (cfs) CFSP3 - Canyon Ferry Spillway Gate No. 3 Discharage (cfs) CFSP4 - Canyon Ferry Spillway Gate No. 4 Discharage (cfs) CFSPL - Canyon Ferry Total Spillway Discharge (cfs) CFS_MW - CFS per Megawatt (cfs) CHL - Gate Open - Left (feet) CHR - Gate Open - Right (feet) CHSTOR - Change in Storage (acre-feet) CP1_AVG - Daily Mean Cylinder Pressure Gage #1 (psi) CP1_MAX - Daily Maximum Cylinder Pressure Gage #1 (psi) CP1_MIN - Daily Mimimum Cylinder Pressure Gage #1 (psi) CP2_AVG - Daily Mean Cylinder Pressure Gage #2 (psi) CP2_MAX - Daily Maximum Cylinder Pressure Gage #2 (psi) CP2_MIN - Daily Mimimum Cylinder Pressure Gage #2 (psi) DV_HM - Diversion from Highline Canal to Lake Minatare, NE EH - Pan Evaporation (inches) ET - Modified Penman ETr (inches) EV - Daily Evaporation (acre-feet) EVF - Daily Evaporation Factor EV_I - Daily Evaporation - imported data (acre-feet) FB - Reservoir Forebay Elevation (feet) FB_CHG - Maximum Change in Forebay Elevation (feet) FB_I - Reservoir Forebay Elevation - imported data (feet) FB_M - Reservoir Forebay Elevation (meters) FB_MOS - Most Probable Forebay Elevation (feet) FB_MTER - Reservoir Elevation, Mt. Elbert (feet) FB_OPAV - Operation Model Average Forebay Elevation (feet) FD - Daily Mean Forebay Elevation (feet) FN - Daily Minimum Forebay Elevation (feet) FW1D - Fixed Wheel Gate #1 Opening (feet) FW2D - Fixed Wheel Gate #2 Opening (feet) FW3D - Fixed Wheel Gate #3 Opening (feet) FX - Daily Maximum Forebay Elevation (feet) GAIN - Daily Computed Yellowtail Gain (cfs) GD - Daily Mean Gage Height (feet) GD1 - Alternate Daily Average Gage Height (feet) GH - Gage Height (feet) GJ - Daily Mean Canal Gage Height (feet) GJ_B - Canal Gage Height, Downstream (feet) HD_DIFF - Daily Average CHO Head Differential (feet) HH - Gage Height Shift (feet) HH1 - Alternate Gage Height Shift (feet) HJ - Canal Shift (feet) IG - Daily Gain (cfs) IN - Daily Mean Computed Inflow (cfs) INMD - Daily Mean Measured Inflow (cfs) MM - Daily Mean Air Temperature (degrees F) MN - Daily Minimum Air Temperature (degrees F) MW1 - Unit #1 Daily Generation (mwh) MW2 - Unit #2 Daily Generation (mwh) MW3 - Unit #3 Daily Generation (mwh) MW4 - Unit #4 Daily Generation (mwh) MX - Daily Maximum Air Temperature (degrees F) OG1D - Orifice Gate No. 1 Daily Average Opening (feet) OG2D - Orifice Gate No. 2 Daily Average Opening (feet) ORDDST - Total Water Orders (cfs) ORD_FA - Fort Belknap-Alfalfa Valley Irrigation District Water Orders (cfs) ORD_G - Glasgow Irrigation District Water Orders (cfs) ORD_H - Harlem Irrigation District Water Orders (cfs) ORD_IN - Fort Belknap Indian Tribe Water Orders (cfs) ORD_M - Malta Irrigation District Water Orders (cfs) ORD_N - Nelson Water Orders (cfs) ORD_NIN - Nelson Water Orders Delivered (cfs) ORD_P - Paradise Irrigation District Water Orders (cfs) ORD_Z - Zurich Irrigation District Water Orders (cfs) PP - Total Precipitation (inches per day) PP_EFF - Powerplant Efficiency (percent) PP_I - Total Precipitation - imported data (inches per day) PSAT - Percent Total Saturation (percent) PU - Total Water Year Precipitation (inches) Q - Total Discharge, instantaneous (cfs) QA27 - Interstate Canal, flow above milepost 2.7 (cfs) QBP - Daily Mean River Bypass (cfs) QCLD - Daily Mean Lateral Discharge (cfs) QCMD - Daily Mean Main Canal Discharge (cfs) QD - Daily Mean Total Discharge (cfs) QD1 - Alternate Daily Mean Total Discharge (cfs) QD_AF - Daily Mean Total Discharge (acre-feet) QD_BAL - Flow in Excess or Deficit (-) of Canadian Share (cfs) QD_BLCK - Daily Mean AF.QD WRCH Minus AF.QD BLCK (cfs) QD_HOLM - Daily Mean AF.QD HOLM (cfs) QD_I - Daily Mean Total Discharge - imported data (cfs) QEBBD - Daily Mean Power Turbine Discharge, Buffalo Bill (cfs) QED - Daily Mean Power Turbine Discharge (cfs) QEHD - Daily Mean Power Turbine Discharge, Heart Mtn (cfs) QEHVD - Daily Mean Turbine Discharge for Helena Valley (cfs) QESD - Daily Mean Power Turbine Discharge, Shoshone (cfs) QESPD - Daily Mean Power Turbine Discharge, Spirit Mtn (cfs) QEV - Daily Mean Evaporation Rate (cfs) QITL - Interstate Canal, total flow (cfs) QJ - Daily Mean Canal Discharge (cfs) QJI - Canal Inflow (cfs) QJI_I - Canal Inflow - imported data (cfs) QJN - Daily North Canal Discharge (cfs) QJN_I - Daily North Canal Discharge - imported data (cfs) QJS - Daily South Canal Discharge (cfs) QJS_I - Daily South Canal Discharge - imported data (cfs) QJ_I - Daily Mean Canal Discharge - imported data (cfs) QJ_ORD - Water Orders (cfs) QJ_PSC - Daily Pishkun Supply Canal Discharge (cfs) QJ_WCFC - Daily Willow Creek Feeder Canal Discharge (cfs) QLOSSD - Daily Mean Seepage Loss (cfs) QN - Daily Minimum Discharge (cfs) QPHVD - Daily Mean Discharge Pumped to Helena Valley (cfs) QR - River Discharge (cfs) QRD - Daily Mean River Discharge (cfs) QRD_I - Daily Mean River Discharge - imported data (cfs) QRIV - Daily Mean Flow at River Gage (cfs) QRIVS - Daily Mean Release to Shoshone w/o Springs (cfs) QROD - Daily Mean Regulating Outlet Discharge (cfs) QRXD - Daily Mean Auxilliary Outlet Discharge (cfs) QSD - Daily Mean Spillway Discharge (cfs) QUD - Daily Mean Computed Unregulated Flow (cfs) QUD_CAN - Canadian share of natural flow (cfs) QUD_US - United States share of natural flow (cfs) QV4X5 - Discharge through the 4 by 5 Gates (cfs) QVJF - Discharge through the Jet Flow Gate (cfs) QX - Daily Maximum Discharge (cfs) QZD - Mean Daily Municipal Use Discharge (cfs) QZD_I - Mean Daily Municipal Use Discharge - imported data (cfs) QZ_I - Municipal Use Discharge - imported data (cfs) Q_FH_I - Daily Average Discharge to Fish Hatchery - Imported Data (cfs) Q_LC - Daily Mean Inflow, Lake Creek (cfs) R2GHD - Daily Mean Gate No. 2 Opening (feet) R4GHD - Daily Mean Gate No. 4 Opening (feet) RAD - Daily Mean Gate #1 Opening (feet) RAD_M - Daily Mean Gate #1 Opening (meters) RAID - Daily Mean Gate #1 Opening (inches) RAND - North Canal Daily Mean Gate #1 Opening (feet) RASD - South Canal Daily Mean Gate #1 Opening (feet) RBD - Daily Mean Gate #2 Opening (feet) RBD_M - Daily Mean Gate #2 Opening (meters) RBID - Daily Mean Gate #2 Opening (inches) RBND - North Canal Daily Mean Gate #2 Opening (feet) RBSD - South Canal Daily Mean Gate #2 Opening (feet) RCD - Daily Mean Gate #3 Opening (feet) RCXD - Daily Mean Auxilliary Gate Opening (percent) RDD - Daily Mean Gate #4 Opening (feet) RED - Daily Mean Gate #5 Opening (feet) RFD - Daily Mean Gate #6 Opening (feet) RG1D - Radial Gate #1 Opening (feet) RG2D - Radial Gate #2 Opening (feet) RG3D - Radial Gate #3 Opening (feet) RGD - Daily Mean Gate #7 Opening (feet) RHD - Daily Mean Gate #8 Opening (feet) R_BP - Bypass Opening (% open) SE - Snow Water Equivalent (inches) SE_AVG - Snow Water Equivalent Average (inches) SE_PCT - Snow Water Equivalent Percent of Average (percent) SP1_AVG - Daily Mean System Pressure Gage #1 (psi) SP1_MAX - Daily Maximum System Pressure Gage #1 (psi) SP1_MIN - Daily Minimum System Pressure Gage #1 (psi) SP2_AVG - Daily Mean System Pressure Gage #2 (psi) SP2_MAX - Daily Maximum System Pressure Gage #2 (psi) SP2_MIN - Daily Minimum System Pressure Gage #2 (psi) SR - Solar Radiation (Langleys per day) STMB_QD - St. Mary River at Boundary Discharge (cfs) TA - Mean Daily Humidity (percent) TD - Daily Mean Tailwater Elevation (feet) TG - Growing Degree Days (degrees F) TWCD - Daily Mean Canal Tailwater Elevation (feet) TWLD - Daily Mean Lateral Tailwater Elevation (feet) TWMN - Daily Minimum Tailwater Elevation (feet) TWMX - Daily Maximum Tailwater Elevation (feet) TW_M - Tailwater Elevation (meters) UA - Daily Mean Wind Speed (mph) V1 - Unit No. 1 Hourly Generation (gwh) V2 - Unit No. 2 Hourly Generation (gwh) V3 - Unit No. 3 Hourly Generation (gwh) V4 - Unit No. 4 Hourly Generation (gwh) VT - Total Daily Energy Generation (mwh) VT_BB - Total Buffalo Bill Powerplant Daily Energy Generation (mwh) VT_HM - Total Heart Mountain Powerplant Daily Energy Generation (mwh) VT_SH - Total Shoshone Powerplant Daily Energy Generation (mwh) VT_SP - Total Spirit Mountain Powerplant Daily Energy Generation (mwh) WD - Wind Direction (degrees) WE - Water Specific Conductance (milli-Siemens per centimeter) WGD - Daily Peak Wind Gust (mph) WK - Daily Maximum Water Temperature (degrees F) WL - Daily Minimum Water Temperature (degrees F) WM - Daily Maximum Water Temperature (degrees C) WN - Daily Minimum Water Temperature (degrees C) WP - Water, Salinity WR - Daily Wind Run (miles) WT - Water Turbidity WY - Daily Mean Water Temperature (degrees C) WZ - Daily Mean Water Temperature (degrees F) XC - Minimum 4 inch soil temp (degrees F) XD - Minimum 8 inch soil temp (degrees F) XG - Maximum 4 inch soil temp (degrees F) XH - Maximum 8 inch soil temp (degrees F) YA - Daily Maximum Canopy Temperature (degrees F) YM - Daily Mean Air Temperature, Dew Point (degrees F) YYY - Guard Gate Status (8=open, 1=closed)