Country= U.S.A. Station= JOINTHEAD DAM, PHOENIX, ARIZ. River= SALT RIVER Area= 39003362.66 Lat= 33.44 Lon= -111.97 Source= USGS PointID= 9512170 Area Units= km2 Discharge Units= m3/sec Starting Year= 1970 Ending Year= 1988 Total Years= 19 Total Usable Years= 18 Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Avg Annual 1970 146.79 176.12 245.11 290.04 229.53 253.54 272.18 226.04 187.35 171.53 112.48 122.89 202.8 1971 134.26 186.27 271.99 269.66 222.31 257.15 300.79 243.6 200.15 144.78 114.08 126.66 205.98 1972 138.16 177.79 265.46 282.15 237.94 248.22 290.19 257.26 212.02 93.32 102.58 135.99 203.42 1973 143.98 139.65 237.45 299 238.26 229.68 280.83 245.94 224.2 173.4 117.11 125.09 204.55 1974 96.5 189.25 250.9 312.43 247.19 286.52 315.09 301.39 235.95 153.05 109.52 116.27 217.84 1975 145.38 178.58 247.76 288.88 265.25 248.26 285.65 278.43 243.31 175.78 131.21 136.1 218.72 1976 140.44 147.01 298.95 291.15 243.71 242.04 273.26 288.2 155.08 133.07 94.42 139.21 203.88 1977 100.7 188.6 241.18 296.43 219.33 262.29 334.69 241.59 166.09 125.91 106.6 117.75 200.1 1978 56.94 165.36 243.29 309.13 236.87 266.59 309.39 274.86 202.79 133.62 106.62 102.81 200.69 1979 62.22 126.18 189.29 259.96 263.63 293.93 326.58 290.44 259.07 196.06 145.43 127.63 211.7 1980 126.59 152.93 393.79 431.27 354.15 428.86 447.87 420.46 380.11 346.47 322.32 287.52 341.03 1981 196.41 173.66 256.37 320.73 233.86 289.82 321.54 305.51 204.38 122.52 94.51 110.83 219.18 1982 131.06 197.91 245.34 320.58 228.69 220.03 264.21 231.21 170.19 139.07 88.15 93.8 194.19 1983 418.27 170.72 224.8 402.53 423.11 649.31 1011.65 1051.02 976.56 969.45 731.52 653.03 640.16 1984 734.42 722.47 704.45 694.05 674.04 796.65 809.96 744.55 699.43 669.19 654.69 676.5 715.03 1985 667.28 676.98 549.81 479.97 526.88 637.13 641.97 635.49 577.01 440.74 415.22 477.1 560.47 1986 583.97 463.71 570.82 542.36 733.32 686.31 600.23 571.36 533.87 441.2 428.34 508.15 555.3 1987 561.32 465.71 372.23 306.58 284.89 301.23 300.92 312.15 285.69 223 124.91 173.65 309.36 1988 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 Avg 254.71 261.05 322.72 355.38 325.72 366.53 410.39 384.42 328.51 269.56 222.21 235.05 311.36 Std Dev 219.41 181.41 138.96 111.36 155.04 181.88 208.47 218.22 218.61 224.36 197.06 192.46 170.8