旬ごとの値
 |  |
 |  |
 |  |  |  |  |
 |  |  |  |  |  |
 |  |  |  |  |
石垣島（沖縄県) 1981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 | 1019.2 | 1020.0 | -- | 53.0 | 28.0 | 08 | 7.5 | 08 | 6.0 | 08 | 9 | 6 | 5 | 2 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1022.0 | 1022.8 | -- | 0.0 | 0.0 | 17* | 0.0 | 17* | 0.0 | 17* | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1021.3 | 1022.1 | -- | 6.5 | 3.5 | 22 | 3.0 | 22 | 1.5 | 23 | 6 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1019.8 | 1020.6 | -- | 27.0 | 17.0 | 01 | 12.0 | 01 | 7.0 | 01 | 7 | 5 | 5 | 1 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1014.6 | 1015.4 | -- | 24.5 | 15.5 | 16 | 15.5 | 16 | 8.0 | 16 | 6 | 3 | 3 | 1 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1018.8 | 1019.6 | -- | 0.5 | 0.5 | 26 | 0.5 | 26 | 0.5 | 26 | 6 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1020.7 | 1021.5 | -- | 65.5 | 35.0 | 04 | 17.5 | 04 | 8.0 | 04 | 7 | 5 | 5 | 2 | 1 | 0 | 0 | 0 | ||
| 中旬 | 1015.0 | 1015.8 | -- | 82.5 | 62.0 | 18 | 18.5 | 18 | 7.0 | 18 | 8 | 4 | 4 | 2 | 1 | 1 | 0 | 0 | ||
| 下旬 | 1014.4 | 1015.2 | -- | 11.0 | 9.0 | 30 | 5.0 | 30 | 2.0 | 30 | 4 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1012.3 | 1013.1 | -- | 38.5 | 21.5 | 09 | 11.0 | 09 | 6.5 | 10 | 7 | 6 | 5 | 2 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1013.7 | 1014.5 | -- | 97.0 | 59.0 | 16 | 26.5 | 16 | 9.0 | 13 | 7 | 6 | 5 | 3 | 1 | 1 | 0 | 0 | ||
| 下旬 | 1014.2 | 1015.0 | -- | 23.5 | 13.0 | 30 | 5.5 | 30 | 2.5 | 24 | 5 | 3 | 3 | 1 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1012.3 | 1013.1 | -- | 16.5 | 13.0 | 03 | 10.5 | 03 | 4.5 | 03 | 6 | 3 | 3 | 1 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1008.2 | 1009.0 | -- | 95.5 | 69.5 | 12 | 21.0 | 12 | 7.5 | 12 | 5 | 3 | 3 | 3 | 1 | 1 | 0 | 0 | ||
| 下旬 | 1008.9 | 1009.7 | -- | 34.5 | 21.0 | 21 | 11.0 | 21 | 3.0 | 21 | 7 | 4 | 3 | 2 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1007.7 | 1008.5 | -- | 71.5 | 26.5 | 05 | 9.0 | 05* | 4.5 | 03 | 7 | 5 | 5 | 3 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1002.0 | 1002.8 | -- | 57.0 | 31.5 | 20 | 11.0 | 20 | 4.5 | 16* | 8 | 5 | 3 | 2 | 1 | 0 | 0 | 0 | ||
| 下旬 | 1009.3 | 1010.1 | -- | 15.5 | 15.5 | 21 | 7.5 | 21 | 4.5 | 21 | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1010.3 | 1011.1 | -- | 2.5 | 2.5 | 05 | 1.5 | 05 | 1.5 | 05 | 6 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1005.0 | 1005.8 | -- | 236.5 | 117.0 | 15 | 55.5 | 15 | 16.5 | 15 | 10 | 9 | 9 | 5 | 2 | 1 | 1 | 1 | ||
| 下旬 | 1005.5 | 1006.3 | -- | 390.5 | 303.0 | 22 | 63.5 | 22 | 14.5 | 22 | 7 | 6 | 4 | 3 | 3 | 2 | 1 | 1 | ||
| 上旬 | 1003.9 | 1004.7 | -- | 43.0 | 33.5 | 01 | 20.5 | 01 | 8.5 | 01 | 5 | 5 | 3 | 1 | 1 | 0 | 0 | 0 | ||
| 中旬 | 1003.5 | 1004.3 | -- | 0.0 | 0.0 | 14* | 0.0 | 14* | 0.0 | 14* | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1000.5 | 1001.3 | -- | 332.0 | 199.5 | 31 | 47.5 | 31 | 18.0 | 31 | 6 | 5 | 5 | 4 | 2 | 2 | 2 | 1 | ||
| 上旬 | 1007.7 | 1008.5 | -- | 55.0 | 36.0 | 03 | 24.5 | 03 | 11.5 | 03 | 7 | 4 | 4 | 1 | 1 | 0 | 0 | 0 | ||
| 中旬 | 1011.4 | 1012.2 | -- | 78.5 | 40.0 | 13 | 37.0 | 13 | 13.0 | 13 | 9 | 5 | 4 | 2 | 1 | 0 | 0 | 0 | ||
| 下旬 | 1008.7 | 1009.5 | -- | 30.5 | 30.5 | 21 | 14.0 | 21 | 8.5 | 21 | 4 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | ||
| 上旬 | 1012.2 | 1013.0 | -- | 0.0 | 0.0 | 10* | 0.0 | 10* | 0.0 | 10* | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1011.5 | 1012.3 | -- | 20.5 | 8.5 | 20 | 4.0 | 20 | 3.0 | 19 | 9 | 5 | 4 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1016.2 | 1017.0 | -- | 15.5 | 10.0 | 21 | 7.5 | 21 | 5.5 | 21 | 8 | 4 | 2 | 1 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1017.2 | 1018.0 | -- | 118.5 | 62.5 | 02 | 25.5 | 02 | 6.0 | 02 | 9 | 7 | 7 | 3 | 1 | 1 | 0 | 0 | ||
| 中旬 | 1018.4 | 1019.2 | -- | 0.0 | 0.0 | 19* | 0.0 | 19* | 0.0 | 19* | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1015.2 | 1016.0 | -- | 56.0 | 42.0 | 26 | 10.5 | 26 | 4.5 | 26 | 9 | 4 | 3 | 2 | 1 | 0 | 0 | 0 | ||
| 上旬 | 1022.2 | 1023.0 | -- | 21.5 | 9.5 | 06 | 8.0 | 10 | 3.0 | 10 | 8 | 4 | 3 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1022.8 | 1023.6 | -- | 7.0 | 7.0 | 19 | 2.5 | 19 | 1.0 | 19 | 7 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1018.3 | 1019.1 | -- | 25.5 | 17.0 | 28 | 4.0 | 28 | 2.5 | 28 | 6 | 5 | 4 | 1 | 0 | 0 | 0 | 0 | ||