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TROA - Rating Tables
Truckee R nr Sparks - Rating Table
Stage (ft) Flow (cfs)

FEET .00 .01 .02 .03 .04 .05 .06 .07 .08 .09
3.1       0 .02 .04 .07 .09 .11 .13
3.2 .15 .18 .2 .22 .24 .27 .29 .31 .33 .35
3.3 .38 .4 .42 .44 .46 .49 .51 .53 .6 .67
3.4 .74 .83 .91 1.01 1.11 1.22 1.33 1.45 1.57 1.71
3.5 1.85 1.99 2.15 2.31 2.48 2.66 2.85 3.04 3.25 3.46
3.6 3.68 3.91 4.15 4.4 4.66 4.93 5.21 5.5 5.79 6.1
3.7 6.42 6.75 7.1 7.45 7.81 8.19 8.57 8.97 9.38 9.8
3.8 10.24 10.69 11.14 11.62 12.1 12.6 13.11 13.64 14.17 14.73
3.9 15.29 15.87 16.47 17.07 17.7 18.34 18.99 19.66 20.34 21.04
4 21.75 22.48 23.22 23.98 24.76 25.55 26.36 27.19 28.03 28.89
4.1 29.77 30.66 31.57 32.5 33.44 34.41 35.39 36.39 37.41 38.45
4.2 39.5 40.58 41.67 42.78 43.91 45.06 46.23 47.42 48.63 49.86
4.3 51.11 52.38 53.67 54.98 56.32 57.67 59.04 60.44 61.85 63.29
4.4 64.75 66.23 67.74 69.26 70.81 72.38 73.97 75.59 77.23 78.89
4.5 80.57 82.28 84.01 85.77 87.55 89.35 91.18 93.03 94.9 96.8
4.6 98.73 100.68 102.65 104.65 106.68 108.73 110.8 112.91 115.03 117.19
4.7 119.37 121.57 123.8 126.06 128.35 130.66 133 135.37 137.76 140.19
4.8 142.63 145.11 147.62 150.15 152.71 155.3 157.92 160.57 163.24 165.95
4.9 168.68 171.45 174.24 177.06 179.91 182.79 185.71 188.65 191.62 194.62
5 197.66 200.72 203.82 206.94 210.1 213.29 216.51 219.76 223.04 226.36
5.1 229.7 233.08 236.49 239.94 243.41 246.92 250.46 254.04 257.65 261.29
5.2 264.96 268.67 272.42 276.19 280 283.85 287.73 291.64 295.59 299.57
5.3 303.59 307.64 311.73 315.85 320.01 324.2 328.43 332.7 337 341.04
5.4 345.1 349.2 353.33 357.48 361.67 365.89 370.14 374.42 378.73 383.07
5.5 387.45 391.85 396.29 400.75 405.25 409.78 414.35 418.94 423.56 428.22
5.6 432.91 437.63 442.39 447.17 451.99 456.84 461.72 466.64 471.59 476.57
5.7 481.59 486.63 491.71 496.83 501.97 507.15 512.37 517.61 522.89 528.21
5.8 533.56 538.94 544.35 549.8 555.29 560.81 566.36 571.95 577.57 583.22
5.9 588.91 594.64 600.4 606.19 612.02 617.89 623.79 629.72 635.69 641.7
6 647.74 653.82 659.93 666.08 672.26 678.48 684.74 691.03 697.36 703.72
6.1 710.13 716.56 723.04 729.55 736.09 742.68 749.3 755.96 762.65 769.38
6.2 776.15 782.96 789.8 796.68 803.6 810.56 817.55 824.58 831.65 838.76
6.3 845.9 853.08 860.31 867.57 874.86 882.2 889.57 896.99 904.44 911.93
6.4 919.46 927.03 934.63 942.28 949.97 957.69 965.46 973.26 981.1 988.98
6.5 996.91 1004.87 1012.87 1020.91 1028.99 1037.11 1045.27 1053.48 1061.72 1070
6.6 1077.33 1084.69 1092.08 1099.49 1106.94 1114.42 1121.92 1129.45 1137.02 1144.61
6.7 1152.23 1159.88 1167.56 1175.27 1183 1190.77 1198.57 1206.39 1214.25 1222.13
6.8 1230.05 1237.99 1245.96 1253.97 1262 1270.06 1278.15 1286.27 1294.43 1302.61
6.9 1310.82 1319.06 1327.33 1335.63 1343.96 1352.32 1360.71 1369.13 1377.58 1386.06
7 1394.57 1403.11 1411.68 1420.28 1428.91 1437.57 1446.26 1454.98 1463.73 1472.51
7.1 1481.32 1490.17 1499.04 1507.94 1516.88 1525.84 1534.83 1543.86 1552.91 1562
7.2 1571.12 1580.27 1589.44 1598.65 1607.89 1617.16 1626.46 1635.8 1645.16 1654.55
7.3 1663.98 1673.43 1682.92 1692.44 1701.98 1711.56 1721.17 1730.81 1740.49 1750.19
7.4 1759.93 1769.69 1779.49 1789.32 1799.18 1809.07 1818.99 1828.94 1838.93 1848.95
7.5 1858.99 1869.07 1879.18 1889.33 1899.5 1909.71 1919.94 1930.21 1940.51 1950.84
7.6 1961.21 1971.6 1982.03 1992.49 2002.98 2013.5 2024.06 2034.64 2045.26 2055.91
7.7 2066.59 2077.31 2088.05 2098.83 2109.64 2120.48 2131.36 2142.26 2153.2 2164.17
7.8 2175.17 2186.21 2197.28 2208.38 2219.51 2230.67 2241.87 2253.1 2264.36 2275.65
7.9 2286.98 2298.34 2309.73 2321.15 2332.61 2344.1 2355.62 2367.17 2378.76 2390.38
8 2402.03 2412.72 2423.44 2434.18 2444.95 2455.75 2466.58 2477.44 2488.32 2499.23
8.1 2510.17 2521.13 2532.13 2543.15 2554.19 2565.27 2576.37 2587.5 2598.66 2609.85
8.2 2621.06 2632.31 2643.58 2654.87 2666.2 2677.55 2688.93 2700.34 2711.78 2723.24
8.3 2734.74 2746.26 2757.81 2769.38 2780.99 2792.62 2804.28 2815.97 2827.69 2839.43
8.4 2851.2 2863.01 2874.84 2886.69 2898.58 2910.49 2922.43 2934.4 2946.4 2958.43
8.5 2970.49 2982.57 2994.68 3006.82 3018.99 3031.19 3043.41 3055.67 3067.95 3080.26
8.6 3092.6 3104.97 3117.36 3129.79 3142.24 3154.72 3167.23 3179.77 3192.34 3204.93
8.7 3217.56 3230.21 3242.89 3255.6 3268.34 3281.11 3293.91 3306.74 3319.59 3332.47
8.8 3345.39 3358.33 3371.3 3384.29 3397.32 3410.38 3423.46 3436.58 3449.72 3462.89
8.9 3476.1 3489.33 3502.59 3515.87 3529.19 3542.54 3555.91 3569.32 3582.75 3596.21
9 3609.71 3623.23 3636.78 3650.36 3663.97 3677.6 3691.27 3704.97 3718.7 3732.45
9.1 3746.23 3760.05 3773.89 3787.76 3801.67 3815.6 3829.56 3843.55 3857.57 3871.62
9.2 3885.7 3899.81 3913.94 3928.11 3942.31 3956.53 3970.79 3985.08 3999.39 4013.74
9.3 4028.11 4042.52 4056.95 4071.41 4085.91 4100.43 4114.98 4129.57 4144.18 4158.82
9.4 4173.49 4188.19 4202.93 4217.69 4232.48 4247.3 4262.15 4277.03 4291.95 4306.89
9.5 4321.86 4336.86 4351.89 4366.95 4382.04 4397.16 4412.32 4427.5 4442.71 4457.95
9.6 4473.22 4488.52 4502.49 4512.39 4522.3 4532.21 4542.14 4552.07 4562 4571.95
9.7 4581.9 4591.86 4601.83 4611.81 4621.79 4631.78 4641.78 4651.78 4661.8 4671.82
9.8 4681.84 4691.88 4701.92 4711.97 4722.03 4732.09 4742.16 4752.24 4762.33 4772.42
9.9 4782.52 4792.63 4802.75 4812.87 4823 4833.14 4843.29 4853.44 4863.6 4873.77
10 4883.94 4895.07 4906.21 4917.35 4928.51 4939.67 4950.84 4962.02 4973.21 4984.41
10.1 4995.61 5006.83 5018.05 5029.29 5040.53 5051.78 5063.04 5074.3 5085.58 5096.86
10.2 5108.16 5119.46 5130.77 5142.09 5153.41 5164.75 5176.09 5187.45 5198.81 5210.18
10.3 5221.56 5232.95 5244.34 5255.75 5267.16 5278.58 5290.01 5301.45 5312.9 5324.35
10.4 5335.82 5347.29 5358.77 5370.26 5381.76 5393.26 5404.78 5416.3 5427.83 5439.37
10.5 5450.92 5462.48 5474.05 5485.62 5497.2 5508.79 5520.39 5532 5543.62 5555.24
10.6 5566.88 5578.52 5590.17 5601.82 5613.49 5625.17 5636.85 5648.54 5660.24 5671.95
10.7 5683.67 5695.39 5707.12 5718.87 5730.62 5742.37 5754.14 5765.91 5777.7 5789.49
10.8 5801.29 5813.1 5824.91 5836.74 5848.57 5860.41 5872.26 5884.12 5895.98 5907.86
10.9 5919.74 5931.63 5943.53 5955.44 5967.35 5979.27 5991.21 6003.15 6015.09 6027.05
11 6039.01 6050.99 6062.97 6074.96 6086.95 6098.96 6110.97 6122.99 6135.02 6147.06
11.1 6159.11 6171.16 6183.22 6195.29 6207.37 6219.46 6231.55 6243.65 6255.76 6267.88
11.2 6280.01 6292.14 6304.29 6316.44 6328.6 6340.76 6352.94 6365.12 6377.31 6389.51
11.3 6401.72 6413.94 6426.16 6438.39 6450.63 6462.88 6475.13 6487.4 6499.67 6511.95
11.4 6524.24 6536.53 6548.84 6561.15 6573.47 6585.79 6598.13 6610.47 6622.82 6635.18
11.5 6647.55 6659.92 6672.31 6684.7 6697.1 6709.5 6721.92 6734.34 6746.77 6759.21
11.6 6771.66 6784.11 6796.57 6809.04 6821.52 6834.01 6846.5 6859 6871.51 6884.03
11.7 6896.55 6909.08 6921.62 6934.17 6946.73 6959.29 6971.87 6984.45 6997.03 7009.63
11.8 7022.23 7034.84 7047.46 7060.09 7072.72 7085.36 7098.01 7110.67 7123.34 7136.01
11.9 7148.69 7161.38 7174.08 7186.78 7199.49 7212.21 7224.94 7237.68 7250.42 7263.17
12 7275.93 7288.69 7301.47 7314.25 7327.04 7339.84 7352.64 7365.45 7378.27 7391.1
12.1 7403.94 7416.78 7429.63 7442.49 7455.35 7468.23 7481.11 7494 7506.9 7519.8
12.2 7532.71 7545.63 7558.56 7571.49 7584.44 7597.39 7610.34 7623.31 7636.28 7649.26
12.3 7662.25 7675.25 7688.25 7701.26 7714.28 7727.31 7740.34 7753.38 7766.43 7779.48
12.4 7792.55 7805.62 7818.7 7831.79 7844.88 7857.98 7871.09 7884.21 7897.33 7910.46
12.5 7923.6 7936.75 7949.9 7963.06 7976.23 7989.41 8002.6 8015.79 8028.99 8042.19
12.6 8055.41 8068.63 8081.86 8095.09 8108.34 8121.59 8134.85 8148.12 8161.39 8174.67
12.7 8187.96 8201.26 8214.56 8227.87 8241.19 8254.52 8267.85 8281.19 8294.54 8307.89
12.8 8321.26 8334.63 8348 8361.39 8374.78 8388.18 8401.59 8415 8428.43 8441.86
12.9 8455.29 8468.74 8482.19 8495.65 8509.11 8522.59 8536.07 8549.56 8563.05 8576.56
13 8590.07 8603.58 8617.11 8630.64 8644.18 8657.73 8671.28 8684.84 8698.41 8711.99
13.1 8725.57 8739.16 8752.76 8766.37 8779.98 8793.6 8807.23 8820.86 8834.5 8848.15
13.2 8861.81 8875.47 8889.14 8902.82 8916.5 8930.2 8943.9 8957.6 8971.32 8985.04
13.3 8998.77 9012.5 9026.25 9040 9053.75 9067.52 9081.29 9095.07 9108.86 9122.65
13.4 9136.45 9150.26 9164.07 9177.9 9191.73 9205.56 9219.41 9233.26 9247.12 9260.98
13.5 9274.85 9288.73 9302.62 9316.51 9330.41 9344.32 9358.24 9372.16 9386.09 9400.03
13.6 9413.97 9427.92 9441.88 9455.85 9469.82 9483.8 9497.78 9511.78 9525.78 9539.79
13.7 9553.8 9567.82 9581.85 9595.89 9609.93 9623.98 9638.04 9652.1 9666.18 9680.25
13.8 9694.34 9708.43 9722.53 9736.64 9750.75 9764.87 9779 9793.14 9807.28 9821.43
13.9 9835.58 9849.75 9863.92 9878.1 9892.28 9906.47 9920.67 9934.87 9949.09 9963.31
14 9977.53 9991.77 10006.01 10020.25 10034.51 10048.77 10063.04 10077.31 10091.59 10105.88
14.1 10120.18 10134.48 10148.79 10163.11 10177.43 10191.76 10206.1 10220.45 10234.8 10249.16
14.2 10263.52 10277.9 10292.28 10306.66 10321.06 10335.46 10349.86 10364.28 10378.7 10393.13
14.3 10407.56 10422 10436.45 10450.91 10465.37 10479.84 10494.31 10508.8 10523.29 10537.78
14.4 10552.29 10566.8 10581.32 10595.84 10610.37 10624.91 10639.45 10654.01 10668.57 10683.13
14.5 10697.7 10712.28 10726.87 10741.46 10756.06 10770.67 10785.28 10799.9 10814.53 10829.16
14.6 10843.8 10858.45 10873.1 10887.77 10902.43 10917.11 10931.79 10946.48 10961.17 10975.88
14.7 10990.58 11005.3 11020.02 11034.75 11049.49 11064.23 11078.98 11093.73 11108.5 11123.27
14.8 11138.04 11152.83 11167.62 11182.41 11197.22 11212.03 11226.84 11241.67 11256.5 11271.34
14.9 11286.18 11301.03 11315.89 11330.75 11345.62 11360.5 11375.39 11390.28 11405.17 11420.08
15 11434.99 11449.91 11464.83 11479.76 11494.7 11509.65 11524.6 11539.56 11554.52 11569.49
15.1 11584.47 11599.45 11614.45 11629.44 11644.45 11659.46 11674.48 11689.5 11704.53 11719.57
15.2 11734.62 11749.67 11764.73 11779.79 11794.86 11809.94 11825.03 11840.12 11855.21 11870.32
15.3 11885.43 11900.55 11915.67 11930.8 11945.94 11961.09 11976.24 11991.39 12006.56 12021.73
15.4 12036.91 12052.09 12067.28 12082.48 12097.68 12112.89 12128.11 12143.33 12158.56 12173.8
15.5 12189.04 12204.29 12219.55 12234.81 12250.08 12265.36 12280.64 12295.93 12311.22 12326.53
15.6 12341.83 12357.15 12372.47 12387.8 12403.13 12418.48 12433.82 12449.18 12464.54 12479.91
15.7 12495.28 12510.66 12526.05 12541.44 12556.84 12572.25 12587.66 12603.08 12618.51 12633.94
15.8 12649.38 12664.83 12680.28 12695.74 12711.2 12726.68 12742.15 12757.64 12773.13 12788.63
15.9 12804.13 12819.64 12835.16 12850.68 12866.21 12881.75 12897.29 12912.84 12928.4 12943.96
16 12959.53 12975.1 12990.69 13006.27 13021.87 13037.47 13053.08 13068.69 13084.31 13099.94
16.1 13115.57 13131.21 13146.86 13162.51 13178.17 13193.83 13209.5 13225.18 13240.87 13256.56
16.2 13272.26 13287.96 13303.67 13319.39 13335.11 13350.84 13366.57 13382.32 13398.06 13413.82
16.3 13429.58 13445.35 13461.12 13476.9 13492.69 13508.48 13524.28 13540.09 13555.9 13571.72
16.4 13587.54 13603.37 13619.21 13635.06 13650.91 13666.76 13682.63 13698.5 13714.37 13730.25
16.5 13746.14 13762.04 13777.94 13793.84 13809.76 13825.68 13841.6 13857.54 13873.48 13889.42
16.6 13905.37 13921.33 13937.3 13953.27 13969.24 13985.23 14001.22 14017.21 14033.21 14049.22
16.7 14065.24 14081.26 14097.28 14113.32 14129.36 14145.4 14161.46 14177.51 14193.58 14209.65
16.8 14225.73 14241.81 14257.9 14274 14290.1 14306.21 14322.32 14338.44 14354.57 14370.71
16.9 14386.85 14402.99 14419.14 14435.3 14451.47 14467.64 14483.82 14500    


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