旬ごとの値
 |  |
 |  |
 |  |  |  |  |
 |  |  |  |  |  |
 |  |  |  |
栃尾（新潟県) 2017年（旬ごとの値） 詳細（降水量）
| 月 | 旬 | 降水量 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 合計 (mm) |
最大日 | 最大1時間 | 最大10分間 | 各階級の日数 | ||||||||||
| 降水量 (mm) | 日 | 降水量 (mm) | 日 時:分 | 降水量 (mm) | 日 時:分 | ≧1mm | ≧10mm | ≧30mm | ≧50mm | ≧70mm | ≧100mm | |||
| 上旬 | 101.5 | 24.5 | 04 | 8.0 | 02 23:46 | 3.0 | 02 23:01 | 8 | 5 | 0 | 0 | 0 | 0 | |
| 中旬 | 211.5 | 65.0 | 12 | 7.0 | 12 23:16 | 2.5 | 12 22:26 | 10 | 5 | 3 | 1 | 0 | 0 | |
| 下旬 | 133.0 | 25.5 | 30 | 6.5 | 22 17:31 | 2.5 | 23 15:35 | 10 | 6 | 0 | 0 | 0 | 0 | |
| 上旬 | 65.0 | 24.5 | 06 | 6.0 | 02 20:37 | 2.0 | 07 21:33 | 7 | 3 | 0 | 0 | 0 | 0 | |
| 中旬 | 118.5 | 48.5 | 20 | 7.5 | 20 19:10 | 2.0 | 20 18:20 | 9 | 3 | 1 | 0 | 0 | 0 | |
| 下旬 | 56.0 | 30.0 | 23 | 5.5 | 26 06:26 | 1.5 | 26 06:24 | 5 | 2 | 1 | 0 | 0 | 0 | |
| 上旬 | 118.0 | 45.0 | 09 | 5.5 | 09 19:18 | 2.0 | 09 18:31 | 7 | 4 | 1 | 0 | 0 | 0 | |
| 中旬 | 30.5 | 15.0 | 15 | 4.5 | 19 04:27 | 1.5 | 19 04:17 | 5 | 1 | 0 | 0 | 0 | 0 | |
| 下旬 | 60.5 | 23.5 | 27 | 3.0 | 27 21:18 | 1.5 | 27 21:19 | 8 | 2 | 0 | 0 | 0 | 0 | |
| 上旬 | 45.5 | 19.0 | 07 | 5.5 | 03 16:08 | 2.0 | 03 16:06 | 4 | 2 | 0 | 0 | 0 | 0 | |
| 中旬 | 37.0 | 11.0 | 11 | 5.5 | 20 00:03 | 2.0 | 19 23:31 | 7 | 1 | 0 | 0 | 0 | 0 | |
| 下旬 | 40.0 | 29.0 | 26 | 4.5 | 26 23:55 | 1.5 | 26 15:58 | 4 | 1 | 0 | 0 | 0 | 0 | |
| 上旬 | 26.5 | 14.0 | 10 | 7.0 | 10 22:38 | 2.0 | 10 22:29 | 3 | 2 | 0 | 0 | 0 | 0 | |
| 中旬 | 26.5 | 17.0 | 11 | 6.0 | 11 04:15 | 3.5 | 11 03:28 | 4 | 1 | 0 | 0 | 0 | 0 | |
| 下旬 | 42.0 | 19.0 | 26 | 12.0 | 26 19:51 | 4.0 | 26 19:11 | 4 | 2 | 0 | 0 | 0 | 0 | |
| 上旬 | 60.0 | 24.0 | 02 | 8.5 | 02 03:17 | 5.0 | 10 13:26 | 5 | 2 | 0 | 0 | 0 | 0 | |
| 中旬 | 5.0 | 2.5 | 16 | 2.5 | 12 09:41 | 2.5 | 12 08:51 | 2 | 0 | 0 | 0 | 0 | 0 | |
| 下旬 | 35.0 | 16.5 | 25 | 8.0 | 25 14:57 | 3.0 | 25 14:22 | 3 | 2 | 0 | 0 | 0 | 0 | |
| 上旬 | 252.0 | 116.5 | 03 | 40.0 | 03 07:55 | 11.0 | 03 07:53 | 5 | 5 | 2 | 2 | 2 | 1 | |
| 中旬 | 138.0 | 85.5 | 18 | 29.5 | 18 03:37 | 17.0 | 13 03:05 | 5 | 3 | 2 | 1 | 1 | 0 | |
| 下旬 | 184.0 | 124.5 | 24 | 30.0 | 24 17:03 | 10.0 | 24 19:17 | 6 | 3 | 1 | 1 | 1 | 1 | |
| 上旬 | 46.5 | 41.5 | 08 | 14.0 | 08 13:20 | 5.0 | 08 13:17 | 2 | 1 | 1 | 0 | 0 | 0 | |
| 中旬 | 85.5 | 44.0 | 18 | 13.0 | 18 03:18 | 6.5 | 18 02:31 | 5 | 2 | 1 | 0 | 0 | 0 | |
| 下旬 | 153.5 | 78.5 | 23 | 29.5 | 23 21:40 | 17.5 | 23 21:24 | 8 | 4 | 1 | 1 | 1 | 0 | |
| 上旬 | 28.5 | 11.0 | 07 | 2.5 | 07 12:43 | 1.0 | 08 07:06 | 4 | 1 | 0 | 0 | 0 | 0 | |
| 中旬 | 33.5 | 14.0 | 20 | 8.0 | 20 22:11 | 5.5 | 20 21:22 | 6 | 1 | 0 | 0 | 0 | 0 | |
| 下旬 | 69.5 | 43.5 | 28 | 10.0 | 28 05:29 | 3.5 | 21 05:07 | 5 | 3 | 1 | 0 | 0 | 0 | |
| 上旬 | 20.5 | 10.5 | 03 | 4.0 | 03 13:31 | 1.5 | 03 13:29 | 5 | 1 | 0 | 0 | 0 | 0 | |
| 中旬 | 69.5 | 30.5 | 12 | 7.5 | 12 05:16 | 2.0 | 12 05:13 | 5 | 3 | 1 | 0 | 0 | 0 | |
| 下旬 | 163.0 | 71.0 | 23 | 13.0 | 23 05:10 | 2.5 | 30 07:16 | 6 | 5 | 3 | 1 | 1 | 0 | |
| 上旬 | 60.5 | 32.5 | 08 | 18.5 | 08 23:04 | 8.5 | 08 22:19 | 4 | 2 | 1 | 0 | 0 | 0 | |
| 中旬 | 190.5 | 55.5 | 16 | 9.5 | 16 02:46 | 3.5 | 11 04:37 | 9 | 6 | 2 | 1 | 0 | 0 | |
| 下旬 | 194.5 | 70.0 | 24 | 8.5 | 23 18:24 | 3.0 | 23 18:13 | 9 | 4 | 3 | 1 | 1 | 0 | |
| 上旬 | 74.0 | 34.5 | 05 | 5.5 | 05 18:27 | 1.5 | 08 03:48 | 10 | 2 | 1 | 0 | 0 | 0 | |
| 中旬 | 183.5 | 38.0 | 19 | 6.5 | 19 12:30 | 2.5 | 19 03:36 | 9 | 7 | 2 | 0 | 0 | 0 | |
| 下旬 | 117.0 | 41.5 | 23 | 6.0 | 23 15:55 | 2.5 | 23 13:32 | 9 | 4 | 1 | 0 | 0 | 0 | |
- 値欄の記号の説明
- 2021年3月2日より、アメダスの日照時間は「推計気象分布（日照時間）」から得る推計値となりましたので、日照計による観測値と単純比較できません。詳しくは要素ごとの値の補足説明をご覧ください。