旬ごとの値
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前橋（群馬県) 1991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 | 994.2 | 1008.0 | -- | 0.0 | 0.0 | 06* | 0.0 | 06* | 0.0 | 06* | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1004.2 | 1018.2 | -- | 0.5 | 0.5 | 14 | 0.5 | 14 | 0.5 | 14 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1005.2 | 1019.3 | -- | 24.5 | 24.0 | 21 | 3.5 | 21 | 1.0 | 21 | 3 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1000.4 | 1014.5 | -- | 2.0 | 2.0 | 10 | 1.0 | 10 | 0.5 | 10 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 996.2 | 1010.1 | 978.4 | 16 | 34.0 | 31.0 | 15 | 8.0 | 15 | 1.5 | 15 | 5 | 4 | 3 | 1 | 1 | 0 | 0 | 0 | |
| 下旬 | 1003.2 | 1017.2 | -- | 0.0 | 0.0 | 28* | 0.0 | 28* | 0.0 | 28* | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1003.1 | 1017.0 | -- | 16.5 | 10.5 | 08 | 3.0 | 09 | 1.0 | 09* | 3 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1003.5 | 1017.4 | -- | 23.0 | 23.0 | 11 | 4.0 | 11 | 1.0 | 11 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1005.4 | 1019.1 | -- | 75.5 | 21.5 | 23 | 6.0 | 23 | 1.5 | 23 | 7 | 7 | 7 | 4 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1006.3 | 1020.0 | -- | 55.0 | 29.0 | 08 | 5.0 | 08 | 1.0 | 08* | 7 | 3 | 3 | 2 | 0 | 0 | 0 | 0 | ||
| 中旬 | 997.9 | 1011.2 | -- | 13.5 | 11.0 | 14 | 5.5 | 14 | 1.5 | 14 | 5 | 3 | 2 | 1 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1003.4 | 1016.9 | -- | 31.0 | 15.0 | 29 | 6.0 | 29 | 2.5 | 29 | 7 | 4 | 4 | 2 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1000.5 | 1013.9 | -- | 0.0 | 0.0 | 09* | 0.0 | 09* | 0.0 | 09* | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 997.2 | 1010.4 | -- | 15.5 | 14.0 | 12 | 2.5 | 12 | 0.5 | 16* | 5 | 3 | 2 | 1 | 0 | 0 | 0 | 0 | ||
| 下旬 | 999.8 | 1012.9 | -- | 36.5 | 27.0 | 31 | 5.5 | 31 | 1.5 | 31 | 4 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | ||
| 上旬 | 998.9 | 1011.9 | -- | 29.0 | 11.0 | 06* | 11.0 | 06 | 8.0 | 06 | 7 | 6 | 5 | 2 | 0 | 0 | 0 | 0 | ||
| 中旬 | 991.9 | 1004.7 | -- | 42.0 | 22.5 | 20 | 10.5 | 13 | 6.0 | 13 | 6 | 4 | 3 | 2 | 0 | 0 | 0 | 0 | ||
| 下旬 | 994.2 | 1007.1 | -- | 40.5 | 14.5 | 23 | 5.0 | 28 | 5.0 | 28 | 8 | 7 | 6 | 2 | 0 | 0 | 0 | 0 | ||
| 上旬 | 992.4 | 1005.3 | -- | 49.5 | 26.0 | 01 | 9.5 | 06 | 2.5 | 06* | 9 | 6 | 5 | 2 | 0 | 0 | 0 | 0 | ||
| 中旬 | 996.4 | 1009.3 | -- | 51.0 | 25.5 | 12 | 15.5 | 12 | 12.0 | 12 | 8 | 7 | 5 | 2 | 0 | 0 | 0 | 0 | ||
| 下旬 | 993.3 | 1005.9 | -- | 18.5 | 7.5 | 31 | 7.5 | 31 | 6.5 | 24 | 7 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 993.2 | 1006.0 | -- | 51.5 | 36.5 | 07 | 25.0 | 07 | 9.5 | 07 | 10 | 6 | 5 | 1 | 1 | 0 | 0 | 0 | ||
| 中旬 | 997.5 | 1010.4 | -- | 118.5 | 89.0 | 20 | 18.0 | 20 | 6.0 | 19 | 6 | 6 | 5 | 2 | 1 | 1 | 1 | 0 | ||
| 下旬 | 994.2 | 1007.1 | -- | 146.5 | 66.0 | 31 | 21.5 | 22 | 8.0 | 22 | 8 | 7 | 5 | 4 | 2 | 1 | 0 | 0 | ||
| 上旬 | 998.1 | 1010.8 | -- | 18.0 | 13.0 | 08 | 3.5 | 08 | 2.0 | 08 | 7 | 5 | 5 | 1 | 0 | 0 | 0 | 0 | ||
| 中旬 | 998.3 | 1011.4 | -- | 177.5 | 85.5 | 19 | 15.0 | 19 | 3.5 | 19 | 10 | 9 | 8 | 4 | 2 | 1 | 1 | 0 | ||
| 下旬 | 1002.9 | 1016.1 | -- | 9.5 | 5.5 | 30 | 2.0 | 30 | 0.5 | 30* | 7 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 999.9 | 1013.2 | -- | 144.0 | 66.0 | 01 | 11.0 | 07 | 5.5 | 07 | 7 | 7 | 7 | 3 | 1 | 1 | 0 | 0 | ||
| 中旬 | 995.8 | 1009.0 | -- | 118.5 | 83.5 | 11 | 8.5 | 11 | 3.0 | 12 | 6 | 6 | 6 | 3 | 1 | 1 | 1 | 0 | ||
| 下旬 | 1004.5 | 1018.0 | -- | 49.5 | 26.5 | 27 | 7.0 | 25 | 1.5 | 25 | 4 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1006.3 | 1020.0 | -- | 1.0 | 1.0 | 08 | 1.0 | 08 | 0.5 | 08 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1004.8 | 1018.6 | -- | 0.0 | 0.0 | 20* | 0.0 | 20* | 0.0 | 20* | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1009.3 | 1023.1 | -- | 29.5 | 28.5 | 28 | 7.5 | 28 | 1.5 | 28 | 5 | 3 | 1 | 1 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1007.4 | 1021.2 | -- | 0.0 | 0.0 | 08 | 0.0 | 08 | 0.0 | 08 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1008.1 | 1022.0 | -- | 0.0 | 0.0 | 11 | 0.0 | 11 | 0.0 | 11 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1003.0 | 1017.0 | -- | 16.5 | 6.5 | 25 | 2.0 | 25 | 0.5 | 28* | 5 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | ||