旬ごとの値
 |  |
 |  |
 |  |  |  |  |
 |  |  |  |  |  |
 |  |  |  |  |
三宅島（東京都) 1978年（旬ごとの値） 詳細（気圧・降水量）
| 月 | 旬 | 気圧(hPa) | 降水量(mm) | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 現地 | 海面 | 合計 | 最大 | 各階級の日数 | ||||||||||||||||
| 平均 | 平均 | 最低 | 日 | 1時間 | 10分間 | ≧0.0mm | ≧0.5mm | ≧1.0mm | ≧10.0mm | ≧30.0mm | ≧50.0mm | ≧70.0mm | ≧100.0mm | |||||||
| 値 | 日 | 値 | 日 | 値 | 日 | 値 | 日 | |||||||||||||
| 上旬 | 1006.7 | 1011.1 | -- | 56.0 | 33.0 | 03 | 11.5 | 03 | 3.5 | 01 | 6 | 6 | 6 | 1 | 1 | 0 | 0 | 0 | ||
| 中旬 | 1008.6 | 1013.1 | -- | 47.0 | 27.0 | 18 | 7.5 | 18 | 1.5 | 18* | 6 | 5 | 3 | 2 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1005.8 | 1010.3 | -- | 46.5 | 18.0 | 24 | 7.0 | 27 | 3.0 | 27 | 8 | 7 | 7 | 2 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1007.9 | 1012.4 | -- | 42.0 | 29.5 | 10 | 14.0 | 10 | 8.0 | 10 | 7 | 4 | 4 | 1 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1009.7 | 1014.2 | -- | 25.0 | 10.5 | 12 | 6.0 | 15 | 2.0 | 15 | 6 | 6 | 6 | 1 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1008.8 | 1013.3 | -- | 30.5 | 28.5 | 28 | 17.5 | 28 | 7.0 | 28 | 4 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1011.4 | 1015.9 | -- | 63.5 | 45.5 | 10 | 10.5 | 10 | 4.0 | 10 | 8 | 4 | 4 | 2 | 1 | 0 | 0 | 0 | ||
| 中旬 | 1005.8 | 1010.3 | -- | 46.5 | 38.0 | 19 | 12.5 | 19 | 4.0 | 19 | 4 | 4 | 4 | 1 | 1 | 0 | 0 | 0 | ||
| 下旬 | 1007.3 | 1011.8 | -- | 80.5 | 34.5 | 21 | 11.5 | 22 | 2.5 | 25* | 8 | 6 | 5 | 3 | 1 | 0 | 0 | 0 | ||
| 上旬 | 1006.6 | 1011.0 | -- | 116.0 | 67.5 | 03 | 21.5 | 03 | 6.0 | 03 | 5 | 3 | 3 | 3 | 1 | 1 | 0 | 0 | ||
| 中旬 | 1007.2 | 1011.6 | -- | 216.5 | 107.5 | 18 | 18.0 | 13 | 9.5 | 13 | 8 | 7 | 7 | 4 | 2 | 2 | 1 | 1 | ||
| 下旬 | 1009.3 | 1013.8 | -- | 30.5 | 15.5 | 25 | 6.0 | 25 | 2.0 | 25 | 5 | 5 | 4 | 2 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1009.4 | 1013.8 | -- | 136.0 | 72.0 | 10 | 12.0 | 10 | 6.0 | 10 | 7 | 7 | 7 | 3 | 1 | 1 | 1 | 0 | ||
| 中旬 | 1010.0 | 1014.3 | -- | 168.0 | 102.5 | 19 | 20.0 | 19 | 6.0 | 19 | 7 | 6 | 6 | 3 | 2 | 2 | 1 | 1 | ||
| 下旬 | 1005.1 | 1009.4 | -- | 8.0 | 8.0 | 30 | 4.5 | 30 | 3.5 | 30 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1006.7 | 1011.0 | -- | 27.5 | 27.5 | 04 | 7.5 | 04 | 2.0 | 04 | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1008.3 | 1012.6 | -- | 122.0 | 58.5 | 12 | 18.5 | 12* | 10.5 | 11 | 7 | 5 | 5 | 3 | 2 | 1 | 0 | 0 | ||
| 下旬 | 1004.6 | 1008.9 | -- | 60.0 | 29.5 | 23 | 16.5 | 24 | 9.5 | 23 | 10 | 4 | 4 | 2 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1004.0 | 1008.2 | -- | 24.0 | 17.0 | 01 | 9.0 | 01 | 3.5 | 01 | 4 | 3 | 3 | 1 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1007.3 | 1011.6 | -- | 16.0 | 6.5 | 11 | 6.5 | 11 | 5.0 | 13 | 8 | 5 | 4 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1007.1 | 1011.3 | -- | 33.0 | 16.5 | 21 | 8.5 | 31 | 6.0 | 31 | 6 | 3 | 3 | 2 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1004.3 | 1008.5 | -- | 79.0 | 28.5 | 03 | 12.0 | 03 | 10.5 | 03 | 8 | 5 | 5 | 3 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1009.2 | 1013.4 | -- | 37.5 | 27.5 | 16 | 25.0 | 16 | 10.0 | 16 | 8 | 5 | 4 | 1 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1007.4 | 1011.6 | -- | 3.5 | 3.5 | 31 | 3.5 | 31 | 2.0 | 31 | 4 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1005.2 | 1009.4 | -- | 128.0 | 64.5 | 05 | 17.5 | 05 | 13.5 | 05 | 7 | 7 | 4 | 3 | 2 | 1 | 0 | 0 | ||
| 中旬 | 1007.7 | 1011.9 | -- | 28.0 | 11.5 | 13* | 4.0 | 13 | 2.0 | 13 | 7 | 6 | 4 | 2 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1009.7 | 1014.0 | -- | 288.0 | 63.0 | 30 | 30.5 | 30 | 11.5 | 30 | 10 | 9 | 9 | 8 | 4 | 2 | 0 | 0 | ||
| 上旬 | 1009.5 | 1013.8 | -- | 108.5 | 58.0 | 10 | 16.0 | 10 | 8.5 | 10 | 7 | 4 | 4 | 3 | 2 | 1 | 0 | 0 | ||
| 中旬 | 1010.9 | 1015.2 | -- | 83.0 | 26.5 | 15 | 9.0 | 20* | 4.0 | 20 | 6 | 5 | 5 | 5 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1014.8 | 1019.2 | -- | 57.0 | 27.0 | 29 | 13.5 | 29 | 7.0 | 28 | 7 | 6 | 6 | 2 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1014.7 | 1019.0 | -- | 7.0 | 5.0 | 08 | 2.5 | 08 | 1.5 | 08 | 5 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1012.3 | 1016.7 | -- | 182.0 | 109.5 | 13 | 39.0 | 19 | 14.5 | 19 | 6 | 6 | 5 | 2 | 2 | 2 | 1 | 1 | ||
| 下旬 | 1010.4 | 1014.8 | -- | 30.5 | 18.5 | 27 | 4.5 | 27 | 2.0 | 27 | 6 | 3 | 3 | 2 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1017.1 | 1021.6 | -- | 49.0 | 26.5 | 10 | 16.5 | 04 | 12.5 | 04 | 6 | 5 | 3 | 2 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1013.1 | 1017.5 | -- | 7.5 | 4.5 | 11 | 3.5 | 11 | 1.0 | 11 | 6 | 5 | 3 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1013.6 | 1018.1 | -- | 24.5 | 12.0 | 28 | 4.0 | 28 | 2.0 | 23 | 8 | 5 | 3 | 1 | 0 | 0 | 0 | 0 | ||