旬ごとの値
 |  |
 |  |
 |  |  |  |  |
 |  |  |  |  |  |
 |  |  |  |  |
つくば（館野）（茨城県) 1997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 | 1010.0 | 1013.7 | -- | 22.5 | 15.5 | 05 | 4.5 | 05 | 1.5 | 05 | 3 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1013.5 | 1017.3 | -- | 0.0 | 0.0 | 20* | 0.0 | 20* | 0.0 | 20* | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1002.6 | 1006.3 | -- | 5.5 | 4.5 | 24 | 1.5 | 24 | 0.5 | 24* | 3 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1010.9 | 1014.8 | -- | 20.5 | 17.5 | 03 | 3.5 | 03 | 1.0 | 03 | 5 | 3 | 3 | 1 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1008.0 | 1011.8 | -- | 10.0 | 5.0 | 16* | 3.5 | 11 | 1.0 | 11 | 4 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1016.7 | 1020.5 | -- | 0.0 | 0.0 | 27 | 0.0 | 27 | 0.0 | 27 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1014.1 | 1017.8 | -- | 1.5 | 1.5 | 03 | 0.5 | 03 | 0.5 | 03 | 6 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1015.1 | 1018.8 | -- | 13.5 | 7.5 | 15 | 2.5 | 15 | 0.5 | 16* | 3 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1011.9 | 1015.7 | -- | 85.5 | 46.0 | 27 | 11.0 | 27 | 4.0 | 27 | 8 | 6 | 5 | 3 | 1 | 0 | 0 | 0 | ||
| 上旬 | 1008.1 | 1011.8 | -- | 49.5 | 22.5 | 06 | 6.5 | 06 | 2.0 | 07* | 8 | 6 | 4 | 2 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1011.6 | 1015.2 | -- | 5.0 | 5.0 | 19 | 2.0 | 19 | 0.5 | 19 | 6 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1011.6 | 1015.2 | -- | 24.5 | 12.0 | 28 | 5.0 | 28 | 2.0 | 28 | 4 | 4 | 4 | 1 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1007.8 | 1011.4 | -- | 30.5 | 12.0 | 09 | 5.5 | 08 | 2.5 | 08 | 7 | 4 | 4 | 2 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1005.1 | 1008.6 | -- | 25.5 | 17.0 | 14 | 3.0 | 14 | 1.0 | 14 | 8 | 6 | 6 | 1 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1005.9 | 1009.5 | -- | 98.5 | 38.5 | 24 | 14.5 | 25 | 3.5 | 25* | 8 | 6 | 6 | 3 | 1 | 0 | 0 | 0 | ||
| 上旬 | 1005.5 | 1009.1 | -- | 43.5 | 20.5 | 09 | 6.0 | 06 | 2.0 | 06 | 5 | 4 | 4 | 1 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1009.2 | 1012.7 | -- | 107.5 | 93.0 | 20 | 16.0 | 20 | 7.0 | 20 | 8 | 4 | 4 | 1 | 1 | 1 | 1 | 0 | ||
| 下旬 | 1003.5 | 1007.0 | -- | 10.0 | 7.0 | 21 | 3.0 | 21 | 1.5 | 28* | 7 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1003.8 | 1007.2 | -- | 18.5 | 18.5 | 10 | 3.5 | 10 | 1.0 | 10 | 4 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1005.4 | 1008.9 | -- | 24.0 | 9.5 | 18 | 8.5 | 18 | 3.0 | 18 | 7 | 5 | 4 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1007.1 | 1010.6 | -- | 53.0 | 21.0 | 31 | 12.0 | 26 | 6.0 | 31 | 7 | 4 | 4 | 2 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1004.1 ) | 1007.6 ) | -- | 5.5 | 2.0 | 08* | 2.0 | 07 | 1.0 | 08* | 4 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1011.5 | 1015.0 | -- | 23.5 | 22.5 | 14 | 14.0 | 14 | 3.5 | 14 | 5 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1005.9 | 1009.4 | -- | 6.5 | 3.5 | 24 | 2.0 | 24 | 1.5 | 24 | 8 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1005.8 | 1009.3 | -- | 45.0 | 27.0 | 08 | 14.0 | 08 | 5.0 | 08 | 6 | 4 | 4 | 2 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1009.8 | 1013.4 | -- | 62.5 | 16.5 | 18 | 6.5 | 19* | 5.5 | 19 | 9 | 7 | 6 | 3 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1011.7 | 1015.3 | -- | 40.5 | 22.5 | 26 | 6.5 | 30* | 2.5 | 30 | 9 | 4 | 4 | 1 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1014.2 | 1017.9 | -- | 18.5 | 12.0 | 05 | 3.0 | 05 | 1.5 | 05 | 6 | 5 | 4 | 1 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1009.5 | 1013.1 | -- | 0.0 | 0.0 | 20* | 0.0 | 20* | 0.0 | 20* | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1010.1 | 1013.7 | -- | 3.0 | 2.5 | 28 | 1.5 | 28 | 1.0 | 28 | 4 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1019.1 | 1022.9 | -- | 0.0 | 0.0 | 05* | 0.0 | 05* | 0.0 | 05* | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1013.8 | 1017.5 | -- | 33.5 | 15.0 | 17 | 4.0 | 17* | 2.0 | 17* | 6 | 6 | 4 | 1 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1015.7 | 1019.3 | -- | 68.5 | 35.0 | 29 | 9.0 | 29 | 3.0 | 23 | 7 | 6 | 6 | 2 | 1 | 0 | 0 | 0 | ||
| 上旬 | 1015.8 | 1019.5 | -- | 13.5 | 6.5 | 01 | 4.0 | 01 | 1.0 | 01 | 6 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1013.5 | 1017.3 | -- | 17.5 | 15.0 | 18 | 7.5 | 18 | 2.5 | 18 | 2 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1017.9 | 1021.7 | -- | 15.5 | 15.5 | 30 | 3.5 | 30 | 1.5 | 30 | 4 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | ||