事務所名,廿日市支所,,,,,,西部建設,,,,,,西部建設,,,,,,呉支所,,,,,,東広島支所,,,,,,東広島支所,,,,,,東広島支所,,,,,,三原支所,,,,,,三原支所,,,,,,三原支所,,,,,,東部建設,,,,,,庄原支所,,,,,,三原支所,,,,,,北部建設,,,,,,廿日市支所,,,,,,安芸太田支所,,,,,,三原支所,,,,,,北部建設,,,,,
データ所管,河川課ダムG,,,,,,河川課ダムG,,,,,,河川課ダムG,,,,,,河川課ダムG,,,,,,河川課ダムG,,,,,,河川課ダムG,,,,,,河川課ダムG,,,,,,河川課ダムG,,,,,,河川課ダムG,,,,,,河川課ダムG,,,,,,河川課ダムG,,,,,,河川課ダムG,,,,,,農業基盤課,,,,,,国ダム,,,,,,国ダム,,,,,,国ダム,,,,,,国ダム,,,,,,国ダム,,,,,
水系名,小瀬川,,,,,,八幡川,,,,,,八幡川,,,,,,野呂川,,,,,,沼田川,,,,,,沼田川,,,,,,賀茂川,,,,,,芦田川,,,,,,芦田川,,,,,,芦田川,,,,,,芦田川,,,,,,江の川,,,,,,芦田川,,,,,,江の川,,,,,,小瀬川,,,,,,太田川,,,,,,芦田川,,,,,,江の川,,,,,
河川名,小瀬川,,,,,,八幡川,,,,,,梶毛川,,,,,,野呂川,,,,,,椋梨川,,,,,,沼田川,,,,,,賀茂川,,,,,,御調川,,,,,,山田川,,,,,,野間川,,,,,,四川,,,,,,大戸川,,,,,,芦田川,,,,,,江の川,,,,,,小瀬川,,,,,,滝山川,,,,,,芦田川,,,,,,上下川,,,,,
観測所番号,1,,,,,,3,,,,,,8,,,,,,4,,,,,,2,,,,,,9,,,,,,6,,,,,,5,,,,,,7,,,,,,23,,,,,,10,,,,,,11,,,,,,1001,,,,,,2,,,,,,8,,,,,,5,,,,,,2,,,,,,3,,,,,
観測所名,小瀬川ダム,,,,,,魚切ダム,,,,,,梶毛ダム,,,,,,野呂川ダム,,,,,,椋梨ダム,,,,,,福富ダム,,,,,,仁賀ダム,,,,,,御調ダム,,,,,,山田川ダム,,,,,,野間川ダム,,,,,,四川ダム,,,,,,庄原ダム,,,,,,三川ダム,,,,,,土師ダム,,,,,,弥栄ダム,,,,,,温井ダム,,,,,,八田原ダム,,,,,,灰塚ダム,,,,,

観測月日,貯水位[EL.m],流入量[m3/s],放流量[m3/s],貯水量[千m3],貯水率利水容量[%],貯水率有効容量[%],貯水位[EL.m],流入量[m3/s],放流量[m3/s],貯水量[千m3],貯水率利水容量[%],貯水率有効容量[%],貯水位[EL.m],流入量[m3/s],放流量[m3/s],貯水量[千m3],貯水率利水容量[%],貯水率有効容量[%],貯水位[EL.m],流入量[m3/s],放流量[m3/s],貯水量[千m3],貯水率利水容量[%],貯水率有効容量[%],貯水位[EL.m],流入量[m3/s],放流量[m3/s],貯水量[千m3],貯水率利水容量[%],貯水率有効容量[%],貯水位[EL.m],流入量[m3/s],放流量[m3/s],貯水量[千m3],貯水率利水容量[%],貯水率有効容量[%],貯水位[EL.m],流入量[m3/s],放流量[m3/s],貯水量[千m3],貯水率利水容量[%],貯水率有効容量[%],貯水位[EL.m],流入量[m3/s],放流量[m3/s],貯水量[千m3],貯水率利水容量[%],貯水率有効容量[%],貯水位[EL.m],流入量[m3/s],放流量[m3/s],貯水量[千m3],貯水率利水容量[%],貯水率有効容量[%],貯水位[EL.m],流入量[m3/s],放流量[m3/s],貯水量[千m3],貯水率利水容量[%],貯水率有効容量[%],貯水位[EL.m],流入量[m3/s],放流量[m3/s],貯水量[千m3],貯水率利水容量[%],貯水率有効容量[%],貯水位[EL.m],流入量[m3/s],放流量[m3/s],貯水量[千m3],貯水率利水容量[%],貯水率有効容量[%],貯水位[EL.m],流入量[m3/s],放流量[m3/s],貯水量[千m3],貯水率利水容量[%],貯水率有効容量[%],貯水位[EL.m],流入量[m3/s],放流量[m3/s],貯水量[千m3],貯水率利水容量[%],貯水率有効容量[%],貯水位[EL.m],流入量[m3/s],放流量[m3/s],貯水量[千m3],貯水率利水容量[%],貯水率有効容量[%],貯水位[EL.m],流入量[m3/s],放流量[m3/s],貯水量[千m3],貯水率利水容量[%],貯水率有効容量[%],貯水位[EL.m],流入量[m3/s],放流量[m3/s],貯水量[千m3],貯水率利水容量[%],貯水率有効容量[%],貯水位[EL.m],流入量[m3/s],放流量[m3/s],貯水量[千m3],貯水率利水容量[%],貯水率有効容量[%]
2026/01/01,213.72,0.94,0.93,2306,67.8,23.3,207.31,0.55,0.78,2508,80.1,32.0,169.08,0.01,0.04,208,74.3,22.4,124.47,0.33,0.30,155,100.0,12.9,255.96,1.29,1.14,1568,25.8,25.0,322.61,1.40,0.53,5208,100.0,53.1,151.27,0.08,0.08,1109,100.0,44.4,157.61,0.32,0.37,901,100.0,20.0,410.08,0.08,0.08,134,100.0,22.7,397.23,0.06,0.06,301,100.0,60.9,148.53,0.03,0.03,556,100.0,35.9,328.94,0.06,0.06,219,100.0,34.3,313.48,0.76,1.02,8089,65.7,65.7,243.11,5.89,4.92,10201,28.7,24.8,96.13,1.44,4.09,32812,68.4,31.0,351.20,1.02,0.89,38210,79.6,48.4,229.85,2.02,3.20,16533,71.9,29.0,228.65,1.50,1.33,6136,63.2,12.8
2026/01/02,213.68,1.04,0.93,2291,67.4,23.1,207.20,0.59,0.78,2489,79.5,31.7,169.03,0.02,0.04,206,73.7,22.2,124.47,0.33,0.30,155,100.0,12.9,255.99,1.31,1.16,1580,26.0,25.2,322.61,1.42,0.51,5206,100.0,53.1,151.27,0.08,0.08,1109,100.0,44.4,157.58,0.31,0.36,897,99.7,19.9,410.09,0.09,0.08,134,100.0,22.7,397.23,0.06,0.06,301,100.0,60.9,148.52,0.03,0.03,556,100.0,35.9,328.94,0.07,0.06,219,100.0,34.4,313.42,0.80,1.01,8060,65.5,65.5,243.18,6.29,3.56,10319,29.0,25.1,95.97,1.91,4.07,32594,67.9,30.7,351.22,1.25,0.89,38235,79.6,48.4,229.76,1.98,3.15,16437,71.5,28.8,228.65,1.49,1.48,6144,63.3,12.9
2026/01/03,213.67,0.95,0.93,2285,67.2,23.1,207.13,0.63,0.78,2476,79.1,31.6,169.00,0.03,0.04,205,73.2,22.0,124.47,0.32,0.30,155,100.0,12.9,256.03,1.47,1.31,1593,26.2,25.4,322.61,1.41,0.53,5209,100.0,53.1,151.27,0.08,0.08,1109,100.0,44.4,157.55,0.34,0.36,894,99.3,19.8,410.09,0.08,0.08,134,100.0,22.7,397.23,0.06,0.06,301,100.0,60.9,148.51,0.03,0.03,556,100.0,35.9,328.96,0.07,0.07,220,100.0,34.5,313.38,0.88,1.01,8038,65.3,65.3,243.24,5.79,5.99,10423,29.3,25.4,95.83,1.85,4.07,32414,67.5,30.6,351.24,1.02,0.89,38255,79.7,48.4,229.68,2.24,3.28,16339,71.1,28.7,228.67,1.43,1.35,6168,63.6,12.9
2026/01/04,213.64,0.95,0.93,2274,66.9,23.0,207.05,0.61,0.78,2462,78.7,31.4,168.98,0.02,0.04,204,73.0,21.9,124.47,0.32,0.30,155,100.0,12.9,256.10,1.47,1.16,1617,26.5,25.8,322.62,1.41,0.56,5212,100.0,53.2,151.27,0.08,0.08,1109,100.0,44.4,157.55,0.34,0.36,893,99.2,19.8,410.09,0.08,0.08,134,100.0,22.7,397.23,0.06,0.06,301,100.0,60.9,148.51,0.03,0.03,556,100.0,35.9,328.96,0.07,0.07,220,100.0,34.5,313.35,0.84,1.01,8020,65.2,65.2,243.28,5.72,4.93,10494,29.5,25.5,95.69,1.83,4.05,32224,67.1,30.4,351.24,0.89,0.89,38256,79.7,48.4,229.59,2.00,3.17,16247,70.7,28.5,228.69,1.49,1.24,6191,63.8,13.0
2026/01/05,213.61,0.99,0.93,2263,66.6,22.9,206.97,0.63,0.77,2447,78.2,31.2,168.93,0.02,0.04,203,72.4,21.8,124.47,0.32,0.30,155,100.0,12.9,256.17,1.49,1.17,1641,27.0,26.2,322.62,1.47,0.59,5214,100.0,53.2,151.27,0.08,0.08,1109,100.0,44.4,157.53,0.33,0.36,890,98.9,19.8,410.09,0.09,0.09,134,100.0,22.8,397.23,0.06,0.06,301,100.0,60.9,148.51,0.03,0.03,556,100.0,35.9,328.95,**,**,220,100.0,34.5,313.31,0.84,1.01,7998,65.0,65.0,243.32,5.90,4.92,10554,29.6,25.7,95.53,1.86,4.07,32027,66.7,30.2,351.25,0.95,0.95,38262,79.7,48.4,229.50,2.09,3.26,16145,70.2,28.3,228.71,1.57,1.24,6213,64.0,13.0
2026/01/06,213.59,0.95,0.93,2256,66.3,22.8,206.91,0.62,0.77,2435,77.8,31.0,168.88,0.01,0.04,201,71.8,21.6,124.47,0.32,0.30,155,100.0,12.9,256.25,1.45,1.17,1669,27.4,26.6,322.63,1.41,0.62,5217,100.0,53.2,151.27,0.08,0.08,1109,100.0,44.4,157.51,0.31,0.36,888,98.6,19.7,410.10,0.09,0.09,135,100.0,22.9,397.23,0.06,0.06,301,100.0,60.9,148.51,0.03,0.03,555,100.0,35.9,328.96,0.07,0.07,220,100.0,34.5,313.27,0.83,1.00,7977,64.8,64.8,243.39,6.65,4.88,10686,30.0,26.0,95.37,1.40,4.51,31815,66.3,30.0,351.25,1.00,1.00,38262,79.7,48.4,229.40,1.97,3.41,16033,69.7,28.1,228.74,1.91,1.24,6254,64.4,13.1
2026/01/07,213.57,0.96,0.93,2245,66.1,22.7,206.82,0.57,0.78,2419,77.3,30.9,168.82,0.02,0.04,199,71.0,21.4,124.47,0.31,0.30,155,100.0,12.9,256.21,1.38,1.55,1655,27.2,26.4,322.63,1.40,0.62,5217,100.0,53.2,151.27,0.08,0.08,1109,100.0,44.4,157.47,0.31,0.36,883,98.1,19.6,410.09,0.08,0.09,134,100.0,22.8,397.23,0.06,0.06,301,100.0,60.9,148.50,0.02,0.02,555,100.0,35.8,328.98,0.08,0.08,221,100.0,34.5,313.22,0.79,1.00,7951,64.6,64.6,243.48,6.46,5.48,10841,30.4,26.4,95.14,1.67,4.79,31523,65.7,29.7,351.25,1.00,1.00,38262,79.7,48.4,229.29,2.11,3.53,15906,69.2,27.9,228.77,1.78,1.24,6299,64.9,13.2
2026/01/08,213.53,1.08,0.93,2232,65.7,22.6,206.72,0.56,0.77,2401,76.7,30.6,168.76,0.01,0.04,197,70.3,21.2,124.47,0.31,0.30,155,100.0,12.9,256.16,1.31,1.99,1637,26.9,26.1,322.62,1.34,0.51,5214,100.0,53.2,151.27,0.08,0.08,1109,100.0,44.4,157.44,0.31,0.36,879,97.6,19.5,410.09,0.08,0.08,134,100.0,22.7,397.23,0.06,0.06,301,100.0,60.9,148.50,0.02,0.02,555,100.0,35.8,328.99,0.09,0.08,221,100.0,34.6,313.17,0.79,1.00,7923,64.4,64.4,243.51,6.44,6.64,10881,30.6,26.5,94.94,1.61,4.13,31265,65.1,29.5,351.25,1.00,1.00,38262,79.7,48.4,229.18,2.00,3.44,15780,68.6,27.7,228.80,1.74,1.25,6334,65.3,13.3
2026/01/09,213.50,1.11,1.00,2220,65.3,22.4,206.61,0.53,0.78,2381,76.1,30.4,168.71,0.01,0.04,195,69.6,21.0,124.47,0.31,0.30,155,100.0,12.9,256.01,1.33,1.82,1586,26.1,25.3,322.64,1.38,0.37,5225,100.0,53.3,151.27,0.08,0.08,1109,100.0,44.4,157.41,0.30,0.36,875,97.2,19.4,410.09,0.08,0.08,134,100.0,22.7,397.23,0.06,0.06,301,100.0,60.9,148.50,0.02,0.02,555,100.0,35.8,328.99,0.08,0.08,221,100.0,34.6,313.12,0.79,1.00,7897,64.2,64.2,243.50,6.34,6.73,10862,30.5,26.4,94.83,1.79,3.43,31124,64.9,29.4,351.25,1.00,1.00,38262,79.7,48.4,229.07,1.89,3.45,15658,68.1,27.5,228.82,1.67,1.25,6363,65.6,13.3
2026/01/10,213.55,1.67,1.18,2240,65.9,22.6,206.48,0.52,0.78,2359,75.4,30.1,168.65,0.01,0.04,193,68.8,20.7,124.47,0.31,0.30,155,100.0,12.9,255.95,1.34,1.41,1565,25.7,25.0,322.67,1.40,0.50,5238,100.0,53.5,151.27,0.06,0.08,1109,100.0,44.4,157.37,0.30,0.36,870,96.6,19.3,410.09,0.08,0.08,134,100.0,22.7,397.23,0.07,0.07,301,100.0,61.0,148.50,0.04,0.03,555,100.0,35.8,328.98,0.08,0.08,221,100.0,34.6,313.07,1.17,1.00,7867,63.9,63.9,243.47,6.12,6.71,10816,30.4,26.3,94.68,1.75,3.97,30942,64.5,29.2,351.25,1.00,1.00,38262,79.7,48.4,228.95,1.94,3.46,15521,67.5,27.2,228.84,1.50,1.25,6390,65.9,13.4