旬ごとの値
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増毛（留萌地方) 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 | 27.0 | 8.5 | 10 | 4.0 | 10 08:40 | 1.0 | 10 08:29 | 5 | 0 | 0 | 0 | 0 | 0 | |
| 中旬 | 20.5 | 7.5 | 16 | 2.5 | 16 21:16 | 1.0 | 20 19:07 | 6 | 0 | 0 | 0 | 0 | 0 | |
| 下旬 | 14.0 | 6.5 | 27 | 3.0 | 27 04:06 | 1.0 | 27 03:47 | 4 | 0 | 0 | 0 | 0 | 0 | |
| 上旬 | 7.5 | 6.5 | 10 | 2.5 | 10 21:35 | 1.0 | 10 21:00 | 1 | 0 | 0 | 0 | 0 | 0 | |
| 中旬 | 4.0 | 1.5 | 18 | 1.5 | 18 22:27 | 0.5 | 19 10:53 | 3 | 0 | 0 | 0 | 0 | 0 | |
| 下旬 | 9.0 | 4.5 | 22 | 2.5 | 22 20:46 | 1.0 | 22 20:13 | 3 | 0 | 0 | 0 | 0 | 0 | |
| 上旬 | 53.0 | 31.5 | 09 | 6.0 | 09 01:49 | 1.5 | 09 01:35 | 6 | 1 | 1 | 0 | 0 | 0 | |
| 中旬 | 22.5 | 19.0 | 15 | 3.0 | 15 21:11 | 1.0 | 15 20:31 | 4 | 1 | 0 | 0 | 0 | 0 | |
| 下旬 | 1.5 | 1.5 | 25 | 1.0 | 25 02:42 | 0.5 | 25 04:53 | 1 | 0 | 0 | 0 | 0 | 0 | |
| 上旬 | 6.5 | 2.5 | 08 | 1.5 | 09 18:12 | 1.0 | 09 17:58 | 3 | 0 | 0 | 0 | 0 | 0 | |
| 中旬 | 24.0 | 12.5 | 11 | 4.5 | 11 12:26 | 1.0 | 12 00:56 | 3 | 1 | 0 | 0 | 0 | 0 | |
| 下旬 | 0.5 | 0.5 | 30 | 0.5 | 30 24:00 | 0.5 | 30 23:35 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 上旬 | 29.5 | 10.0 | 06 | 3.0 | 02 16:33 | 1.0 | 02 16:09 | 5 | 2 | 0 | 0 | 0 | 0 | |
| 中旬 | 24.5 | 11.5 | 17 | 5.5 | 17 06:14 | 2.0 | 17 05:24 | 4 | 1 | 0 | 0 | 0 | 0 | |
| 下旬 | 4.5 | 4.0 | 31 | 2.0 | 31 02:04 | 1.0 | 31 23:32 | 1 | 0 | 0 | 0 | 0 | 0 | |
| 上旬 | 24.5 | 24.5 | 08 | 7.0 | 08 16:02 | 2.0 | 08 15:12 | 1 | 1 | 0 | 0 | 0 | 0 | |
| 中旬 | 32.0 | 29.0 | 12 | 3.5 | 12 17:08 | 1.0 | 12 16:52 | 4 | 1 | 0 | 0 | 0 | 0 | |
| 下旬 | 36.5 | 12.0 | 27 | 7.5 | 29 14:23 | 5.0 | 21 15:08 | 6 | 3 | 0 | 0 | 0 | 0 | |
| 上旬 | 206.0 | 81.5 | 03 | 22.0 | 03 02:03 | 6.5 | 04 04:32 | 6 | 5 | 2 | 1 | 1 | 0 | |
| 中旬 | 99.0 | 63.5 | 15 | 25.5 | 15 23:00 | 11.5 | 15 22:42 | 4 | 2 | 1 | 1 | 0 | 0 | |
| 下旬 | 3.0 | 3.0 | 22 | 2.5 | 22 06:57 | 1.0 | 22 06:08 | 1 | 0 | 0 | 0 | 0 | 0 | |
| 上旬 | 64.0 | 33.0 | 10 | 26.0 | 10 00:17 | 5.0 | 10 00:17 | 2 | 2 | 2 | 0 | 0 | 0 | |
| 中旬 | 70.5 | 36.0 | 16 | 8.0 | 16 14:35 | 2.5 | 19 11:12 | 6 | 2 | 1 | 0 | 0 | 0 | |
| 下旬 | 101.5 | 57.5 | 30 | 47.5 | 30 21:04 | 15.0 | 30 20:40 | 4 | 2 | 2 | 1 | 0 | 0 | |
| 上旬 | 17.0 | 13.5 | 05 | 7.0 | 05 03:33 | 2.5 | 05 03:16 | 3 | 1 | 0 | 0 | 0 | 0 | |
| 中旬 | 3.5 | 3.5 | 17 | 3.5 | 17 04:26 | 3.5 | 17 03:36 | 1 | 0 | 0 | 0 | 0 | 0 | |
| 下旬 | 9.0 | 3.0 | 23 | 2.5 | 23 12:00 | 1.5 | 24 20:21 | 3 | 0 | 0 | 0 | 0 | 0 | |
| 上旬 | 82.0 | 38.5 | 07 | 10.5 | 07 01:09 | 4.0 | 02 01:52 | 4 | 2 | 1 | 0 | 0 | 0 | |
| 中旬 | 45.5 | 15.5 | 12 | 6.5 | 15 19:36 | 3.0 | 16 01:35 | 5 | 3 | 0 | 0 | 0 | 0 | |
| 下旬 | 89.0 | 30.5 | 30 | 6.5 | 30 16:13 | 3.5 | 30 03:11 | 5 | 4 | 1 | 0 | 0 | 0 | |
| 上旬 | 10.0 | 3.0 | 05 | 1.5 | 05 19:13 | 1.0 | 05 18:32 | 4 | 0 | 0 | 0 | 0 | 0 | |
| 中旬 | 70.0 | 17.5 | 12 | 7.5 | 16 19:56 | 2.0 | 16 19:26 | 8 | 3 | 0 | 0 | 0 | 0 | |
| 下旬 | 47.5 | 15.5 | 27 | 8.0 | 27 16:38 | 2.0 | 27 16:14 | 7 | 2 | 0 | 0 | 0 | 0 | |
| 上旬 | 30.5 | 17.0 | 07 | 4.5 | 07 13:42 | 1.5 | 07 03:02 | 3 | 2 | 0 | 0 | 0 | 0 | |
| 中旬 | 18.5 | 10.0 | 17 | 3.0 | 17 04:03 | 1.0 | 17 03:25 | 3 | 1 | 0 | 0 | 0 | 0 | |
| 下旬 | 12.0 ) | 6.0 ) | 23 | 4.5 ) | 23 18:13 | 1.5 ) | 23 17:41 | 4 ) | 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。