月ごとの値
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本郷 2018年（月ごとの値） 詳細（降水量）
| 月 | 降水量(mm) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 合計 | 日最大 | 1時間最大 | 10分間最大 | 各階級の日数 | |||||||||
| 値 | 日 | 値 | 日 時:分 | 値 | 日 時:分 | ≧1mm | ≧10mm | ≧30mm | ≧50mm | ≧70mm | ≧100mm | ||
| 45.0 | 20.5 | 08 | 3.5 | 08 06:04 | 1.5 | 17 15:16 | 4 | 2 | 0 | 0 | 0 | 0 | |
| 24.0 | 17.0 | 28 | 7.0 | 28 22:49 | 2.0 | 28 22:39 | 2 | 1 | 0 | 0 | 0 | 0 | |
| 167.5 | 48.5 | 05 | 14.5 | 05 07:00 | 4.0 | 05 06:16 | 9 | 6 | 3 | 0 | 0 | 0 | |
| 131.0 | 90.5 | 24 | 24.0 | 24 21:16 | 6.0 | 24 20:33 | 4 | 2 | 1 | 1 | 1 | 0 | |
| 168.5 | 41.5 | 18 | 29.0 | 18 20:45 | 9.0 | 18 19:59 | 11 | 7 | 2 | 0 | 0 | 0 | |
| 133.5 | 38.0 | 20 | 14.0 | 20 04:44 | 4.0 | 20 03:57 | 10 | 6 | 2 | 0 | 0 | 0 | |
| 511.5 | 208.0 | 06 | 56.5 | 06 21:06 | 13.5 | 06 21:09 | 7 | 6 | 4 | 3 | 3 | 2 | |
| 41.5 | 20.0 | 28 | 20.0 | 28 14:52 | 9.0 | 28 14:03 | 4 | 2 | 0 | 0 | 0 | 0 | |
| 365.0 | 87.5 | 09 | 29.0 | 09 07:57 | 11.5 | 09 07:44 | 15 | 9 | 5 | 2 | 2 | 0 | |
| 29.5 | 11.0 | 11 | 5.5 | 23 16:23 | 2.0 | 23 15:40 | 6 | 2 | 0 | 0 | 0 | 0 | |
| 10.0 ) | 6.0 ) | 22 | 2.5 ) | 22 05:06 | 0.5 ) | 28 16:28 | 2 ) | 0 ) | 0 ) | 0 ) | 0 ) | 0 ) | |
| 67.0 | 17.0 | 03 | 5.0 | 06 11:36 | 1.5 | 06 10:46 | 10 | 3 | 0 | 0 | 0 | 0 | |