月　日	ダム水位 （EL m)	有効 貯水率 （%）		放流量 (m3/s)		日雨量 (mm/日)	備考
10/17	497.60	35.2	↓	1.19	→	0
10/16	497.71	35.6	↓	1.19	→	1
10/15	497.81	35.9	↓	1.19	↑	0
10/14	497.90	36.2	↓	1.18	↓	0
10/13	497.97	36.4	↓	1.19	↓	0
10/12	498.00	36.5	↑	1.20	↑	0
10/11	497.98	36.4	↑	1.07	↑	1
10/10	497.83	36.0	↑	1.02	↓	0
10/9	497.49	34.9	↑	1.07	↑	24
10/8	497.22	34.0	↑	0.90	↓	20
10/7	497.18	33.9	↓	1.03	↓	6
10/6	497.31	34.3	↓	1.20	→	0
10/5	497.45	34.8	↓	1.20	↑	0
10/4	497.53	35.0	↓	1.07	↑	15
10/3	497.58	35.2	↑	0.84	↑	2
10/2	497.57	35.1	↓	0.74	↓	0
10/1	497.58	35.2	↓	1.02	↓	0
9/30	497.68	35.5	↓	1.18	→	0
9/29	497.78	35.8	↓	1.18	↓	0
9/28	497.87	36.1	↓	1.20	→	0
9/27	497.93	36.3	→	1.20	→	0
9/26	497.93	36.3	→	1.20	→	7
9/25	497.94	36.3	↑	1.20	→	0
9/24	497.88	36.1	↑	1.20	→	1
9/23	497.70	35.5	↑	1.20	→	9
9/22	497.48	34.8	↑	1.20	→	14
9/21	497.26	34.2	↑	1.20	↑	20
9/20	497.18	33.9	↑	1.06	↑	3
9/19	496.90	33.0	↑	0.99	→	48
9/18	496.72	32.5	↓	0.99	→	0
9/17	496.84	32.8	↓	0.99	→	0
9/16	496.95	33.2	↓	0.99	→	2
9/15	497.02	33.4	↓	0.99	→	18
9/14	497.13	33.7	↓	0.99	→	0
9/13	497.25	34.1	↓	0.99	→	1
9/12	497.36	34.5	↓	0.99	→	5
9/11	497.47	34.8	↓	0.99	→	0
9/10	497.58	35.2	↓	0.99	→	0	かんがい期終了
9/9	497.68	35.5	↓	0.99	→	5
9/8	497.75	35.7	↓	0.99	→	6
9/7	497.85	36.0	↓	0.99	→	0
9/6	497.95	36.3	↓	0.99	→	0
9/5	498.04	36.6	↓	0.99	→	0
9/4	498.13	36.9	↓	0.99	→	0
9/3	498.22	37.2	↓	0.99	↓	0
9/2	498.30	37.5	↓	1.11	↓	0
9/1	498.43	37.9	↓	1.29	→	0
8/31	498.57	38.4	↓	1.29	→	2
8/30	498.67	38.7	↓	1.29	↓	9	減水
8/29	498.75	38.9	↓	1.50	↓	5
8/28	499.00	39.8	↓	1.79	↓	0
8/27	499.26	40.6	↓	1.80	↓	0
8/26	499.47	41.3	↓	1.87	↓	0
8/25	499.57	41.7	↓	1.97	↓	50
8/24	499.85	42.6	↓	1.98	↓	14
8/23	500.15	43.6	↓	1.99	→	0
8/22	500.45	44.7	↓	1.99	↓	0
8/21	500.74	45.7	↓	2.00	→	0
8/20	501.02	46.7	↓	2.00	→	1
8/19	501.28	47.6	↓	2.00	→	8
8/18	501.53	48.5	↓	2.00	→	0
8/17	501.75	49.3	↓	2.00	↑	2
8/16	501.93	49.9	↓	1.87	↑	2
8/15	502.03	50.3	↓	1.80	→	0
8/14	502.12	50.6	↑	1.80	↓	1
8/13	502.06	50.4	↓	1.88	↓	7
8/12	502.21	51.0	↓	2.00	→	0
8/11	502.34	51.5	↓	2.00	→	0
8/10	502.41	51.7	↑	2.00	↑	0
8/9	502.33	51.4	↑	1.66	↑	0
8/8	501.76	49.3	↑	1.30	↓	0
8/7	499.46	41.3	↑	1.68	↓	75
8/6	499.09	40.1	↓	1.80	↓	2
8/5	499.36	41.0	↓	1.88	↓	2
8/4	499.64	41.9	↓	2.00	→	23
8/3	499.97	43.0	↓	2.00	↑	0
8/2	500.28	44.1	↓	1.91	↑	0
8/1	500.52	44.9	↓	1.79	→	0
7/31	500.63	45.3	↓	1.79	→	10
7/30	500.74	45.7	↓	1.79	↓	5
7/29	500.99	46.5	↓	1.80	→	0
7/28	501.23	47.4	↓	1.80	→	3
7/27	501.49	48.3	↓	1.80	↑	1
7/26	501.74	49.2	↓	1.79	↑	0
7/25	501.95	50.0	↓	1.49	↑	2	番水解除
7/24	502.00	50.2	↑	1.04	↑	3
7/23	501.93	49.9	↑	0.92	↑	11
7/22	501.87	49.7	↑	0.87	↓	0
7/21	501.80	49.5	↑	0.95	↑	0
7/20	501.69	49.1	↑	0.79	↑	0
7/19	501.43	48.1	↑	0.47	↑	2
7/18	501.04	46.7	↑	0.39	↓	1
7/17	500.52	44.9	↑	0.41	↑	16
7/16	499.99	43.1	↑	0.34	↓	5
7/15	499.07	42.5	↑	0.66	↓	17
7/14	498.52	40.0	↑	1.09	↑	26
7/13	498.42	38.2	↑	0.91	↑	0
7/12	498.11	37.9	↑	0.56	↓	5
7/11	497.68	36.9	↑	0.65	↓	5
7/10	497.20	35.5	↑	1.01	↑	28
7/9	496.98	33.3	↑	0.90	↓	9
7/8	496.69	32.4	↓	1.06	↓	19
7/7	496.72	32.5	↑	1.23	↑	0
7/6	496.68	32.4	↓	1.20	→	19
7/5	496.74	32.5	↓	1.20	↑	6
7/4	496.84	32.8	↑	1.12	↑	17
7/3	496.77	32.6	↓	1.00	→	8
7/2	496.93	33.1	↓	1.00	→	0
7/1	497.07	33.6	↓	1.00	→	5
6/30	497.20	34.0	↓	1.00	→	1
6/29	497.36	34.5	↓	1.00	↓	0
6/28	497.51	34.9	↓	1.05	↓	4
6/27	497.69	35.5	↓	1.14	↑	0
6/26	497.89	36.2	↓	1.08	↓	0
6/25	498.04	36.6	↓	1.27	↓	0	番水開始
6/24	498.36	37.7	↓	1.79	→	1
6/23	498.67	38.7	↓	1.79	→	16
6/22	499.02	39.8	↓	1.79	→	0
6/21	499.39	41.1	↓	1.79	→	0
6/20	499.76	42.3	↓	1.79	→	0
6/19	500.11	43.5	↓	1.79	→	0
6/18	500.43	44.6	↓	1.79	→	11
6/17	500.76	45.7	↓	1.79	→	0
6/16	501.09	46.9	↓	1.79	↓	5
6/15	501.43	48.1	↓	1.80	→	0
6/14	501.76	49.3	↓	1.80	→	0
6/13	501.81	50.5	↓	1.80	→	1
6/12	502.41	51.7	↓	1.80	→	0
6/11	502.73	52.9	↓	1.80	↓	0
6/10	503.04	54.1	↓	1.84	↓	1
6/9	503.36	55.4	↓	1.90	→	0
6/8	503.69	56.7	↓	1.90	↑	0
6/7	504.00	57.9	↓	1.70	↑	0
6/6	504.23	58.8	↓	1.50	→	0
6/5	504.44	59.7	↓	1.50	→	0
6/4	504.63	60.5	↓	1.50	↓	3
6/3	504.82	61.2	↓	1.58	↓	1
6/2	505.01	62.0	↓	1.70	→	17
6/1	505.25	63.0	↓	1.70	↑	0
5/31	505.49	64.0	↓	1.54	↑	3
5/30	505.68	64.8	↓	1.50	↑	0
5/29	505.85	65.5	↓	1.24	↓	4
5/28	505.87	65.6	↓	1.36	↓	22
5/27	506.10	66.6	↓	2.00	→	0
5/26	506.42	68.0	↓	2.00	→	0
5/25	506.73	69.3	↓	2.00	↑	0
5/24	507.00	70.5	↓	1.53	↑	0
5/23	507.15	71.1	↓	1.38	↓	0
5/22	507.33	71.9	↓	1.50	→	0
5/21	507.50	72.7	↓	1.50	↓	0
5/20	507.65	73.3	↓	1.95	↓	17
5/19	507.99	74.8	↓	2.69	→	0
5/18	508.42	76.8	↓	2.69	↑	0
5/17	508.82	78.6	↓	2.37	↑	0
5/16	509.12	80.0	↓	2.23	↓	1
5/15	509.44	81.5	↓	2.40	→	0
5/14	509.77	83.0	↓	2.40	↓	0
5/13	510.07	84.5	↓	2.87	↓	21
5/12	510.54	86.7	↓	3.39	↓	0
5/11	511.05	89.2	↓	3.40	↑	0
5/10	511.69	92.3	↓	2.99	↓	0
5/9	511.96	93.7	↓	3.00	↑	1
5/8	512.32	95.5	↓	2.29	↑	1
5/7	512.53	96.5	↓	2.00	→	7
5/6	512.72	97.5	↓	2.00	↑	0
5/5	512.91	98.5	↓	1.66	↑	0
5/4	513.03	99.1	↓	1.50	→	0
5/3	513.13	99.6	↓	1.50	↑	0
5/2	513.20	100.0	→	1.40	↓	0
5/1	513.21	100.0	→	1.46	↑	0
4/30	513.20	100.0	→	1.17	↓	0
4/29	513.21	100.0	→	1.41	↓	0
4/28	513.21	100.0	→	1.57	↓	0
4/27	513.21	100.0	→	1.67	↑	0
4/26	513.21	100.0	→	1.50	↓	0
4/25	513.20	100.0	→	1.51	↓	0
4/24	513.20	100.0	→	1.73	↑	7
4/23	513.20	100.0	→	1.67	↓	0
4/22	513.20	100.0	→	1.77	↓	0
4/21	513.20	100.0	→	1.88	↑	0
4/20	513.20	100.0	→	1.80	↓	0
4/19	513.20	100.0	→	1.97	↓	0
4/18	513.20	100.0	→	2.12	↓	0
4/17	513.21	100.0	→	2.52	↓	2
4/16	513.21	100.0	↓	2.62	↓	0
4/15	513.22	100.1	→	3.05	→	0
4/14	513.22	100.1	→	3.05	↓	0
4/13	513.22	100.1	→	3.16	↓	0
4/12	513.22	100.1	→	3.25	↓	0
4/11	513.22	100.1	→	3.37	↓	0
4/10	513.23	100.1	↓	4.89	↓	0
4/9	513.26	100.3	↑	8.58	↑	26
4/8	513.24	100.2	→	5.90	↑	5
4/7	513.24	100.2	↑	5.83	↑	0
4/6	513.23	100.1	→	4.12	↑	0
4/5	513.23	100.1	→	3.95	↓	0
4/4	513.23	100.1	↑	4.47	↑	1
4/3	513.19	99.9	↑	2.97	↑	8	満水位
4/2	513.05	99.2	↑	2.83	↓	0
4/1	512.77	97.8	↑	3.25	↓	3
3/31	512.54	97.0	↑	4.02	→	1
3/30	512.29	95.3	↑	4.02	↑	0
3/29	511.77	92.7	↑	2.72	↑	11
3/28	511.42	91.0	↑	2.08	↓	0
3/27	511.19	89.9	↑	2.14	↑	1
3/26	510.60	87.0	↑	1.54	↑	40
3/25	510.15	84.8	↑	1.30	↑	0
3/24	509.99	84.1	→	1.29	→	0
3/23	509.99	84.1	↓	1.29	→	2
3/22	510.01	84.2	↑	1.29	↑	0
3/21	509.99	84.1	↑	1.08	↑	8
3/20	509.85	83.4	↑	0.80	↑	5
3/19	509.67	82.6	↑	0.79	↓	0
3/18	509.40	81.3	↑	0.86	↓	5
3/17	509.07	79.8	↑	0.95	→	7
3/16	508.89	78.9	↑	0.95	↑	0
3/15	508.79	78.5	↑	0.93	↓	0
3/14	508.76	78.3	→	0.94	↓	3
3/13	508.76	78.3	↑	0.99	↑	3
3/12	508.73	78.2	↑	0.95	↑	17
3/11	508.71	78.1	↓	0.93	↓	0
3/10	508.73	78.2	→	0.99	→	0
3/9	508.73	78.2	↑	0.99	↑	6
3/8	508.71	78.1	↑	0.94	↓	1
3/7	508.69	78.0	→	0.97	↓	0
3/6	508.68	78.0	↑	1.00	→	8
3/5	508.64	77.8	↑	1.00	↓	7
3/4	508.60	77.6	↑	1.07	↓	9
3/3	508.58	77.5	→	1.19	→	9
3/2	508.57	77.5	↑	1.19	↑	5
3/1	508.52	77.2	↑	1.09	↑	15