旬ごとの値
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成田（千葉県) 2018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 | 21.5 | 12.5 | 08 | 5.5 | 08 22:54 | 1.5 | 08 22:53 | 3 | 1 | 0 | 0 | 0 | 0 | |
| 中旬 | 23.0 | 23.0 | 17 | 12.0 | 17 19:23 | 4.0 | 17 18:33 | 1 | 1 | 0 | 0 | 0 | 0 | |
| 下旬 | 9.5 | 9.5 | 22 | 1.5 | 22 22:40 | 0.5 | 22 23:46 | 1 | 0 | 0 | 0 | 0 | 0 | |
| 上旬 | 13.0 | 5.5 | 02 | 2.0 | 10 23:07 | 0.5 | 10 22:56 | 3 | 0 | 0 | 0 | 0 | 0 | |
| 中旬 | 0.5 | 0.5 | 11 | 0.5 | 11 04:21 | 0.5 | 11 03:31 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 下旬 | 3.0 | 3.0 | 22 | 1.0 | 22 04:50 | 0.5 | 22 13:44 | 1 | 0 | 0 | 0 | 0 | 0 | |
| 上旬 | 152.5 | 66.0 | 09 | 17.5 | 09 08:42 | 5.5 | 09 08:33 | 6 | 4 | 3 | 1 | 0 | 0 | |
| 中旬 | 14.0 | 10.0 | 20 | 3.0 | 20 03:48 | 1.0 | 20 03:36 | 2 | 1 | 0 | 0 | 0 | 0 | |
| 下旬 | 34.0 | 21.0 | 21 | 6.0 | 22 05:07 | 2.0 | 22 04:24 | 2 | 2 | 0 | 0 | 0 | 0 | |
| 上旬 | 3.0 | 2.0 | 07 | 1.5 | 07 01:54 | 0.5 | 07 01:33 | 2 | 0 | 0 | 0 | 0 | 0 | |
| 中旬 | 34.5 | 20.0 | 18 | 5.5 | 18 09:16 | 1.5 | 18 09:07 | 3 | 2 | 0 | 0 | 0 | 0 | |
| 下旬 | 54.5 | 46.0 | 25 | 12.0 | 25 10:40 | 3.5 | 25 10:05 | 3 | 1 | 1 | 0 | 0 | 0 | |
| 上旬 | 79.5 | 35.5 | 09 | 9.0 | 07 19:04 | 2.5 | 07 18:17 | 6 | 2 | 1 | 0 | 0 | 0 | |
| 中旬 | 50.0 | 48.5 | 13 | 21.0 | 13 20:50 | 5.0 | 13 20:46 | 2 | 1 | 1 | 0 | 0 | 0 | |
| 下旬 | 52.0 | 27.5 | 24 | 16.5 | 24 02:10 | 6.5 | 24 01:34 | 3 | 2 | 0 | 0 | 0 | 0 | |
| 上旬 | 43.0 | 22.0 | 10 | 8.0 | 10 22:20 | 2.0 | 10 21:51 | 4 | 2 | 0 | 0 | 0 | 0 | |
| 中旬 | 106.0 | 45.0 | 11 | 11.0 | 15 09:50 | 4.5 | 15 09:19 | 4 | 4 | 1 | 0 | 0 | 0 | |
| 下旬 | 43.0 | 32.0 | 21 | 22.5 | 21 04:00 | 5.0 | 21 03:09 | 3 | 1 | 1 | 0 | 0 | 0 | |
| 上旬 | 22.0 | 22.0 | 06 | 4.0 | 06 04:29 | 2.5 | 06 19:35 | 1 | 1 | 0 | 0 | 0 | 0 | |
| 中旬 | 0.0 | 0.0 | 20 | 0.0 | 20 24:00 | 0.0 | 20 24:00 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 下旬 | 87.5 | 83.0 | 28 | 21.5 | 28 06:19 | 5.5 | 28 06:12 | 2 | 1 | 1 | 1 | 1 | 0 | |
| 上旬 | 33.5 | 23.5 | 08 | 3.0 | 08 20:31 | 1.5 | 08 19:41 | 3 | 1 | 0 | 0 | 0 | 0 | |
| 中旬 | 1.5 | 0.5 | 20 | 1.0 | 17 00:58 | 0.5 | 20 20:22 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 下旬 | 10.5 | 7.5 | 31 | 7.0 | 31 18:45 | 6.5 | 31 17:57 | 2 | 0 | 0 | 0 | 0 | 0 | |
| 上旬 | 39.5 | 22.5 | 10 | 10.5 | 05 06:02 | 5.5 | 10 23:42 | 3 | 2 | 0 | 0 | 0 | 0 | |
| 中旬 | 55.5 | 21.5 | 17 | 11.0 | 17 19:58 | 3.0 | 17 19:35 | 6 | 1 | 0 | 0 | 0 | 0 | |
| 下旬 | 140.5 | 48.0 | 30 | 21.5 | 30 07:55 | 7.5 | 30 07:04 | 7 | 5 | 1 | 0 | 0 | 0 | |
| 上旬 | 22.5 | 16.5 | 01 | 15.5 | 01 01:26 | 7.0 | 01 01:26 | 2 | 1 | 0 | 0 | 0 | 0 | |
| 中旬 | 19.0 | 9.0 | 14 | 4.0 | 11 05:46 | 2.5 | 11 05:19 | 5 | 0 | 0 | 0 | 0 | 0 | |
| 下旬 | 34.0 | 27.5 | 27 | 11.0 | 27 05:54 | 5.0 | 27 05:45 | 3 | 1 | 0 | 0 | 0 | 0 | |
| 上旬 | 23.0 | 6.5 | 09 | 4.0 | 07 03:08 | 1.5 | 07 02:23 | 4 | 0 | 0 | 0 | 0 | 0 | |
| 中旬 | 6.0 | 4.0 | 19 | 1.0 | 19 04:14 | 1.0 | 13 03:32 | 2 | 0 | 0 | 0 | 0 | 0 | |
| 下旬 | 24.5 | 18.0 | 22 | 6.0 | 22 01:47 | 2.5 | 21 21:57 | 3 | 1 | 0 | 0 | 0 | 0 | |
| 上旬 | 6.5 | 6.5 | 06 | 2.5 | 06 10:19 | 1.0 | 06 09:47 | 1 | 0 | 0 | 0 | 0 | 0 | |
| 中旬 | 25.5 | 17.0 | 12 | 3.5 | 12 10:46 | 1.0 | 12 10:16 | 3 | 1 | 0 | 0 | 0 | 0 | |
| 下旬 | 1.5 | 1.0 | 22 | 0.5 | 23 17:15 | 0.5 | 23 16:25 | 1 | 0 | 0 | 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。