半旬ごとの値
 |  |
 |  |
 |  |  |  |  |
 |  |  |  |  |  |
 |  |  |  |  |
南大東（南大東島）（沖縄県) 2018年（半旬ごとの値） 詳細（気圧・降水量）
| 月 | 半旬 | 日～日 | 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 | ||||||||||||||
| 第1半旬 | 1～ 5 | 1017.4 | 1019.9 | 1010.8 | 05 | 3.5 | 3.5 | 05 | 3.5 | 05 | 2.5 | 05 | 3 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | |
| 第2半旬 | 6～10 | 1014.7 | 1017.2 | 1008.4 | 08 | 23.5 | 21.0 | 08 | 12.0 | 08 | 5.0 | 08 | 4 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | |
| 第3半旬 | 11～15 | 1021.1 | 1023.6 | 1020.4 | 15 | 7.0 | 6.0 | 13 | 5.0 | 13 | 2.0 | 13 | 5 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | |
| 第4半旬 | 16～20 | 1015.5 | 1018.0 | 1015.0 | 17 | 13.5 | 13.5 | 20 | 4.0 | 20 | 1.5 | 20 | 4 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | |
| 第5半旬 | 21～25 | 1013.5 | 1015.9 | 1009.3 | 22 | 35.5 | 17.0 | 22 | 7.5 | 22 | 5.5 | 22 | 5 | 4 | 4 | 2 | 0 | 0 | 0 | 0 | |
| 第6半旬 | 26～31 | 1015.4 | 1017.9 | 1010.4 | 29 | 12.0 | 11.5 | 29 | 7.5 | 29 | 4.0 | 29 | 6 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | |
| 第1半旬 | 1～ 5 | 1016.1 | 1018.6 | 1011.2 | 01 | 18.5 | 7.0 | 01 | 6.5 | 01 | 4.5 | 01 | 5 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | |
| 第2半旬 | 6～10 | 1016.9 | 1019.4 | 1014.0 | 10 | 12.5 | 10.5 | 10 | 4.5 | 10 | 1.5 | 10 | 5 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | |
| 第3半旬 | 11～15 | 1019.4 | 1021.8 | 1013.8 | 11 | 4.0 | 4.0 | 11 | 2.0 | 11 | 0.5 | 11 | 4 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | |
| 第4半旬 | 16～20 | 1015.0 | 1017.4 | 1012.3 | 17 | 21.0 | 21.0 | 17 | 14.5 | 17 | 7.5 | 17 | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | |
| 第5半旬 | 21～25 | 1015.1 | 1017.6 | 1011.9 | 21 | 4.0 | 3.5 | 23 | 1.5 | 23 | 0.5 | 25* | 5 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | |
| 第6半旬 | 26～28 | 1015.5 | 1017.9 | 1010.8 | 28 | 0.0 | 0.0 | 28* | 0.0 | 28* | 0.0 | 28* | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 第1半旬 | 1～ 5 | 1013.0 | 1015.4 | 1012.2 | 01 | 19.0 | 14.5 | 03 | 11.5 | 03 | 8.5 | 03 | 3 | 3 | 2 | 1 | 0 | 0 | 0 | 0 | |
| 第2半旬 | 6～10 | 1013.6 | 1016.0 | 1010.7 | 08 | 6.0 | 4.0 | 06 | 2.0 | 06 | 1.5 | 06 | 5 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | |
| 第3半旬 | 11～15 | 1018.6 | 1021.1 | 1016.1 | 15 | 0.0 | 0.0 | 14 | 0.0 | 14 | 0.0 | 14 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 第4半旬 | 16～20 | 1013.2 | 1015.7 | 1009.7 | 20 | 0.0 | 0.0 | 20* | 0.0 | 20* | 0.0 | 20* | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 第5半旬 | 21～25 | 1014.4 | 1016.9 | 1007.0 | 21 | 6.5 | 6.5 | 21 | 5.5 | 21 | 3.5 | 21 | 4 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | |
| 第6半旬 | 26～31 | 1014.3 | 1016.7 | 1014.1 | 31 | 0.0 | 0.0 | 28* | 0.0 | 28* | 0.0 | 28* | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 第1半旬 | 1～ 5 | 1014.2 | 1016.6 | 1014.7 | 05 | 0.0 | 0.0 | 03* | 0.0 | 03* | 0.0 | 03* | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 第2半旬 | 6～10 | 1016.6 | 1019.1 | 1012.7 | 06 | 0.0 | 0.0 | 07* | 0.0 | 07* | 0.0 | 07* | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 第3半旬 | 11～15 | 1013.2 | 1015.6 | 1010.5 | 15 | 0.5 | 0.5 | 15 | 0.5 | 15 | 0.5 | 15 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 第4半旬 | 16～20 | 1013.4 | 1015.8 | 1013.7 | 16 | 2.5 | 2.0 | 17 | 2.0 | 17 | 1.5 | 17 | 5 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | |
| 第5半旬 | 21～25 | 1012.2 | 1014.6 | 1008.9 | 25 | 10.0 | 9.0 | 25 | 4.5 | 25 | 3.0 | 25 | 5 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | |
| 第6半旬 | 26～30 | 1012.6 | 1015.0 | 1010.7 | 26 | -- | -- | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||||
| 第1半旬 | 1～ 5 | 1014.7 | 1017.2 | 1011.9 | 03 | 0.5 | 0.5 | 04 | 0.5 | 04 | 0.5 | 04 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 第2半旬 | 6～10 | 1011.4 | 1013.8 | 1009.4 | 08 | 0.0 | 0.0 | 10* | 0.0 | 10* | 0.0 | 10* | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 第3半旬 | 11～15 | 1011.3 | 1013.7 | 1011.4 | 13 | 1.0 | 1.0 | 13 | 1.0 | 13 | 0.5 | 13 | 3 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | |
| 第4半旬 | 16～20 | 1009.1 | 1011.5 | 1009.0 | 19 | -- | -- | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||||
| 第5半旬 | 21～25 | 1006.4 | 1008.8 | 1007.0 | 23 | 0.0 | 0.0 | 24* | 0.0 | 24* | 0.0 | 24* | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 第6半旬 | 26～31 | 1008.4 | 1010.8 | 1007.8 | 26 | 17.0 | 17.0 | 27 | 7.5 | 27 | 3.0 | 27 | 6 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | |
| 第1半旬 | 1～ 5 | 1008.8 | 1011.2 | 1008.8 | 01 | 23.5 | 20.0 | 04 | 8.5 | 04 | 2.5 | 04 | 4 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | |
| 第2半旬 | 6～10 | 1001.8 | 1004.1 | 977.7 | 10 | 33.5 | 33.5 | 10 | 15.5 | 10 | 8.0 | 10 | 2 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | |
| 第3半旬 | 11～15 | 1000.9 | 1003.3 | 998.3 | 12 | 61.0 | 28.5 | 11 | 12.5 | 11 | 9.0 | 15 | 4 | 4 | 4 | 2 | 0 | 0 | 0 | 0 | |
| 第4半旬 | 16～20 | 1005.6 | 1008.0 | 1000.6 | 16 | 60.0 | 38.0 | 16 | 15.5 | 16 | 7.5 | 17 | 4 | 3 | 3 | 2 | 1 | 0 | 0 | 0 | |
| 第5半旬 | 21～25 | 1010.1 | 1012.5 | 1009.9 | 21 | 0.0 | 0.0 | 22 | 0.0 | 22 | 0.0 | 22 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 第6半旬 | 26～30 | 1008.3 | 1010.7 | 1006.9 | 29 | 5.0 | 2.0 | 30* | 2.0 | 30 | 2.0 | 30 | 3 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | |
| 第1半旬 | 1～ 5 | 1005.0 | 1007.4 | 1005.5 | 04 | 125.5 | 101.0 | 04 | 47.0 | 04 | 15.0 | 04 | 4 | 3 | 3 | 2 | 1 | 1 | 1 | 1 | |
| 第2半旬 | 6～10 | 1006.2 | 1008.6 | 1003.2 | 09 | 3.0 | 3.0 | 09 | 2.5 | 09 | 2.5 | 09 | 5 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | |
| 第3半旬 | 11～15 | 1009.0 | 1011.4 | 1009.0 | 15 | 6.5 | 3.5 | 15 | 2.5 | 15 | 2.5 | 15 | 4 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | |
| 第4半旬 | 16～20 | 1003.9 | 1006.2 | 996.0 | 20 | 20.5 | 19.0 | 20 | 4.5 | 20 | 3.0 | 20 | 5 | 3 | 2 | 1 | 0 | 0 | 0 | 0 | |
| 第5半旬 | 21～25 | 1004.7 | 1007.1 | 995.8 | 21 | 50.0 | 48.5 | 21 | 19.5 | 21 | 8.0 | 21 | 4 | 2 | 2 | 1 | 1 | 0 | 0 | 0 | |
| 第6半旬 | 26～31 | 1000.9 | 1003.2 | 1000.0 | 29 | 6.5 | 5.5 | 30 | 3.0 | 30 | 2.5 | 30 | 5 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | |
| 第1半旬 | 1～ 5 | 1003.9 | 1006.3 | 1001.5 | 01 | 0.5 | 0.5 | 01 | 0.5 | 01 | 0.5 | 01 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 第2半旬 | 6～10 | 1000.1 | 1002.5 | 997.0 | 10 | 32.0 | 32.0 | 10 | 23.0 | 10 | 11.0 | 10 | 3 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | |
| 第3半旬 | 11～15 | 1001.0 | 1003.3 | 995.4 | 11 | 16.5 | 10.0 | 15 | 9.0 | 15 | 3.5 | 15 | 5 | 5 | 4 | 1 | 0 | 0 | 0 | 0 | |
| 第4半旬 | 16～20 | 1002.8 | 1005.1 | 995.7 | 20 | 0.5 | 0.5 | 20 | 0.5 | 20 | 0.5 | 20 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 第5半旬 | 21～25 | 1001.2 | 1003.6 | 991.2 | 21 | 13.0 | 6.0 | 25 | 3.0 | 25 | 1.5 | 25* | 4 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | |
| 第6半旬 | 26～31 | 1010.7 | 1013.1 | 1010.6 | 26 | 7.5 | 4.5 | 27 | 2.0 | 28 | 1.5 | 28* | 5 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | |
| 第1半旬 | 1～ 5 | 1002.8 | 1005.2 | 993.0 | 03 | 45.5 | 44.0 | 03 | 34.0 | 03 | 11.5 | 03 | 4 | 2 | 2 | 1 | 1 | 0 | 0 | 0 | |
| 第2半旬 | 6～10 | 1008.8 | 1011.2 | 1008.0 | 06 | 30.0 | 19.5 | 10 | 15.0 | 10 | 4.5 | 10 | 4 | 4 | 3 | 1 | 0 | 0 | 0 | 0 | |
| 第3半旬 | 11～15 | 1010.7 | 1013.1 | 1011.1 | 13 | 5.0 | 3.5 | 13 | 3.5 | 13 | 3.5 | 13 | 5 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | |
| 第4半旬 | 16～20 | 1012.1 | 1014.5 | 1011.3 | 20 | 4.5 | 4.5 | 17 | 4.5 | 17 | 4.0 | 17 | 4 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | |
| 第5半旬 | 21～25 | 1008.7 | 1011.1 | 1003.9 | 25 | 17.5 | 15.5 | 25 | 5.0 | 25 | 4.0 | 25 | 3 | 3 | 3 | 1 | 0 | 0 | 0 | 0 | |
| 第6半旬 | 26～30 | 1000.9 | 1003.2 | 999.0 | 29 | 40.0 | 22.0 | 27 | 6.5 | 28 | 4.5 | 28* | 5 | 5 | 4 | 2 | 0 | 0 | 0 | 0 | |
| 第1半旬 | 1～ 5 | 1008.6 | 1010.9 | 1005.6 | 04 | 58.0 | 27.5 | 04 | 26.0 | 04 | 13.0 | 04 | 4 | 3 | 3 | 2 | 0 | 0 | 0 | 0 | |
| 第2半旬 | 6～10 | 1011.1 | 1013.5 | 1011.2 | 09 | 17.5 | 17.5 | 10 | 9.0 | 10 | 8.0 | 10 | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | |
| 第3半旬 | 11～15 | 1013.6 | 1016.0 | 1012.3 | 15 | 61.0 | 37.5 | 11 | 18.0 | 15 | 7.5 | 11 | 4 | 3 | 3 | 2 | 1 | 0 | 0 | 0 | |
| 第4半旬 | 16～20 | 1011.4 | 1013.8 | 1008.9 | 17 | 21.0 | 18.5 | 18 | 11.0 | 18 | 5.5 | 18 | 4 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | |
| 第5半旬 | 21～25 | 1013.2 | 1015.6 | 1013.5 | 24 | 0.0 | 0.0 | 25* | 0.0 | 25* | 0.0 | 25* | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 第6半旬 | 26～31 | 1012.0 | 1014.4 | 1011.2 | 28 | 0.0 | 0.0 | 30* | 0.0 | 30* | 0.0 | 30* | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 第1半旬 | 1～ 5 | 1015.4 | 1017.8 | 1014.1 | 04 | 45.0 | 26.5 | 05 | 17.0 | 05 | 6.5 | 05* | 5 | 4 | 4 | 2 | 0 | 0 | 0 | 0 | |
| 第2半旬 | 6～10 | 1016.2 | 1018.7 | 1016.6 | 08 | 15.0 | 15.0 | 06 | 10.0 | 06 | 3.0 | 06 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | |
| 第3半旬 | 11～15 | 1013.6 | 1016.0 | 1011.5 | 13 | 0.0 | 0.0 | 15* | 0.0 | 15* | 0.0 | 15* | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 第4半旬 | 16～20 | 1014.5 | 1016.9 | 1013.7 | 19 | 0.0 | 0.0 | 19* | 0.0 | 19* | 0.0 | 19* | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 第5半旬 | 21～25 | 1016.6 | 1019.0 | 1014.3 | 22 | 6.5 | 6.5 | 22 | 5.5 | 22 | 4.5 | 22 | 4 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | |
| 第6半旬 | 26～30 | 1015.6 | 1018.0 | 1013.3 | 28* | 3.5 | 2.5 | 27 | 2.0 | 27 | 1.5 | 27 | 4 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | |
| 第1半旬 | 1～ 5 | 1017.1 | 1019.5 | 1016.0 | 05 | 93.0 | 93.0 | 05 | 84.0 | 05 | 24.5 | 05 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | |
| 第2半旬 | 6～10 | 1017.1 | 1019.5 | 1014.7 | 06 | 49.0 | 44.0 | 10 | 8.0 | 10 | 2.5 | 10 | 5 | 2 | 2 | 1 | 1 | 0 | 0 | 0 | |
| 第3半旬 | 11～15 | 1018.7 | 1021.2 | 1013.5 | 12* | 15.0 | 15.0 | 11 | 3.5 | 11 | 1.0 | 11 | 5 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | |
| 第4半旬 | 16～20 | 1017.8 | 1020.2 | 1014.2 | 17 | 1.5 | 1.5 | 17 | 1.0 | 17 | 1.0 | 17 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | |
| 第5半旬 | 21～25 | 1015.5 | 1018.0 | 1015.4 | 25 | 0.0 | 0.0 | 25* | 0.0 | 25* | 0.0 | 25* | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 第6半旬 | 26～31 | 1017.9 | 1020.4 | 1008.7 | 27 | 13.5 | 13.0 | 27 | 10.0 | 27 | 3.5 | 27 | 6 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | |