旬ごとの値
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佐久（長野県) 2021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 | 0.0 | 0.0 | 10 | 0.0 | 10 24:00 | 0.0 | 10 24:00 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 中旬 | 3.0 | 2.5 | 16 | 2.0 | 16 16:31 | 1.0 | 16 15:55 | 1 | 0 | 0 | 0 | 0 | 0 | |
| 下旬 | 15.0 | 8.0 | 23 | 1.5 | 24 22:50 | 0.5 | 25 00:18 | 2 | 0 | 0 | 0 | 0 | 0 | |
| 上旬 | 4.5 | 4.5 | 02 | 2.5 | 02 05:02 | 1.0 | 02 04:40 | 1 | 0 | 0 | 0 | 0 | 0 | |
| 中旬 | 11.5 | 11.5 | 15 | 4.0 | 15 13:32 | 1.0 | 15 13:35 | 1 | 1 | 0 | 0 | 0 | 0 | |
| 下旬 | 0.0 | 0.0 | 28 | 0.0 | 28 24:00 | 0.0 | 28 24:00 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 上旬 | 14.0 | 13.5 | 02 | 8.5 | 02 14:49 | 2.0 | 02 14:13 | 1 | 1 | 0 | 0 | 0 | 0 | |
| 中旬 | 18.5 | 18.0 | 13 | 6.5 | 13 14:35 | 2.0 | 13 14:03 | 1 | 1 | 0 | 0 | 0 | 0 | |
| 下旬 | 33.5 | 16.0 | 29 | 9.5 | 29 01:15 | 3.0 | 21 20:07 | 3 | 2 | 0 | 0 | 0 | 0 | |
| 上旬 | 2.5 | 1.5 | 04 | 1.5 | 04 18:18 | 0.5 | 07 05:09 | 1 | 0 | 0 | 0 | 0 | 0 | |
| 中旬 | 14.5 | 13.5 | 17 | 6.0 | 17 22:37 | 1.5 | 17 22:25 | 1 | 1 | 0 | 0 | 0 | 0 | |
| 下旬 | 8.0 | 5.5 | 29 | 2.0 | 30 19:03 | 1.0 | 30 18:18 | 2 | 0 | 0 | 0 | 0 | 0 | |
| 上旬 | 6.0 | 2.5 | 01 | 2.0 | 01 18:37 | 1.0 | 02 01:00 | 3 | 0 | 0 | 0 | 0 | 0 | |
| 中旬 | 24.0 | 8.5 | 20 | 5.0 | 17 19:56 | 1.5 | 17 19:44 | 4 | 0 | 0 | 0 | 0 | 0 | |
| 下旬 | 63.0 | 30.5 | 27 | 8.5 | 21 09:25 | 2.5 | 31 17:24 | 3 | 2 | 1 | 0 | 0 | 0 | |
| 上旬 | 17.0 | 17.0 | 04 | 11.5 | 04 16:17 | 4.0 | 04 15:36 | 1 | 1 | 0 | 0 | 0 | 0 | |
| 中旬 | 58.5 | 26.0 | 14 | 16.0 | 14 00:40 | 6.0 | 13 23:53 | 6 | 2 | 0 | 0 | 0 | 0 | |
| 下旬 | 76.5 | 27.0 | 29 | 25.0 | 21 21:49 | 8.5 | 21 21:13 | 6 | 3 | 0 | 0 | 0 | 0 | |
| 上旬 | 66.0 | 25.0 | 02 | 13.0 | 03 00:01 | 4.5 | 02 23:11 | 9 | 2 | 0 | 0 | 0 | 0 | |
| 中旬 | 25.0 | 18.0 | 12 | 18.0 | 12 21:17 | 12.5 | 12 20:30 | 3 | 1 | 0 | 0 | 0 | 0 | |
| 下旬 | 16.0 | 11.5 | 29 | 9.0 | 29 20:19 | 4.0 | 29 19:46 | 3 | 1 | 0 | 0 | 0 | 0 | |
| 上旬 | 11.5 | 7.0 | 09 | 5.5 | 09 10:02 | 2.0 | 09 09:20 | 2 | 0 | 0 | 0 | 0 | 0 | |
| 中旬 | 231.0 | 122.5 | 14 | 16.5 | 14 12:38 | 4.5 | 14 21:46 | 6 | 3 | 3 | 2 | 1 | 1 | |
| 下旬 | 7.0 | 3.0 | 23 | 3.0 | 23 07:16 | 1.0 | 23 06:42 | 3 | 0 | 0 | 0 | 0 | 0 | |
| 上旬 | 111.5 | 36.0 | 02 | 11.5 | 02 06:32 | 4.5 | 02 08:48 | 7 | 4 | 2 | 0 | 0 | 0 | |
| 中旬 | 11.0 | 11.0 | 18 | 3.5 | 18 17:31 | 1.5 | 18 16:47 | 1 | 1 | 0 | 0 | 0 | 0 | |
| 下旬 | 18.5 | 15.0 | 26 | 5.5 | 26 09:58 | 2.0 | 22 21:28 | 2 | 1 | 0 | 0 | 0 | 0 | |
| 上旬 | 5.5 | 5.5 | 01 | 1.5 | 01 13:29 | 0.5 | 01 13:26 | 1 | 0 | 0 | 0 | 0 | 0 | |
| 中旬 | 20.5 | 14.0 | 13 | 8.5 | 13 07:06 | 4.5 | 13 06:19 | 3 | 1 | 0 | 0 | 0 | 0 | |
| 下旬 | 19.5 | 10.0 | 26 | 3.5 | 26 02:01 | 1.0 | 26 01:38 | 3 | 1 | 0 | 0 | 0 | 0 | |
| 上旬 | 6.5 | 6.5 | 09 | 2.5 | 09 11:16 | 1.5 | 09 11:57 | 1 | 0 | 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 | 9.5 | 9.5 | 22 | 3.0 | 22 19:16 | 1.0 | 22 18:26 | 1 | 0 | 0 | 0 | 0 | 0 | |
| 上旬 | 51.0 | 17.0 | 07 | 6.5 | 01 05:51 | 1.5 | 01 05:51 | 4 | 3 | 0 | 0 | 0 | 0 | |
| 中旬 | 7.5 | 7.5 | 17 | 2.5 | 17 08:08 | 1.0 | 17 20:29 | 1 | 0 | 0 | 0 | 0 | 0 | |
| 下旬 | 5.5 | 2.0 | 30 | 1.5 | 30 23:01 | 0.5 | 31 01:31 | 3 | 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。