旬ごとの値
 |  |
 |  |
 |  |  |  |  |
 |  |  |  |  |  |
 |  |  |  |  |
秩父（埼玉県) 1977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 | 990.8 | 1018.3 | -- | 0.0 | 0.0 | 10* | 0.0 | 10* | 0.0 | 10* | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 990.9 | 1018.5 | -- | -- | -- | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||
| 下旬 | 988.1 | 1015.5 | -- | 5.5 | 4.0 | 26 | 2.0 | 26 | 0.5 | 27* | 4 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 989.1 | 1016.6 | -- | 0.0 | 0.0 | 10 | 0.0 | 10 | 0.0 | 10 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 990.3 | 1017.7 | -- | 10.5 | 7.0 | 14 | 2.0 | 14 | 0.5 | 15* | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 988.1 | 1015.0 | -- | 2.5 | 2.5 | 21 | 1.5 | 21 | 0.5 | 21 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 988.6 | 1015.6 | -- | 0.0 | 0.0 | 03* | 0.0 | 03* | 0.0 | 03* | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 992.8 | 1019.5 | -- | 11.5 | 9.5 | 17 | 2.0 | 17 | 0.5 | 19* | 3 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 993.3 | 1020.1 | -- | 61.0 | 41.0 | 30 | 7.0 | 24 | 2.0 | 24 | 7 | 7 | 5 | 2 | 1 | 0 | 0 | 0 | ||
| 上旬 | 990.2 | 1016.6 | -- | 35.0 | 32.5 | 09 | 4.5 | 09 | 1.0 | 09 | 4 | 2 | 2 | 1 | 1 | 0 | 0 | 0 | ||
| 中旬 | 984.3 | 1010.1 | -- | 34.5 | 15.0 | 16 | 6.0 | 16 | 3.0 | 16 | 6 | 4 | 3 | 2 | 0 | 0 | 0 | 0 | ||
| 下旬 | 987.9 | 1013.8 | -- | 9.0 | 3.5 | 29* | 2.5 | 29 | 1.0 | 29 | 6 | 4 | 3 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 986.7 | 1012.5 | -- | 6.5 | 6.5 | 05 | 1.5 | 05 | 0.5 | 05 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 982.9 | 1008.5 | -- | 30.0 | 30.0 | 15 | 9.5 | 15 | 2.0 | 15 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | ||
| 下旬 | 988.5 | 1014.1 | -- | 11.0 | 6.0 | 24 | 2.5 | 24 | 0.5 | 31* | 8 | 4 | 3 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 983.6 | 1008.8 | -- | 16.5 | 7.5 | 10 | 4.0 | 04 | 1.5 | 04 | 8 | 5 | 4 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 982.7 | 1008.0 | -- | 94.5 | 48.5 | 18 | 11.0 | 12 | 8.5 | 12 | 8 | 6 | 6 | 3 | 1 | 0 | 0 | 0 | ||
| 下旬 | 986.1 | 1011.5 | -- | 66.0 | 34.5 | 25 | 9.5 | 25 | 2.5 | 25 | 6 | 5 | 5 | 2 | 1 | 0 | 0 | 0 | ||
| 上旬 | 981.5 | 1006.4 | -- | 76.5 | 37.0 | 07 | 36.5 | 07 | 23.5 | 07 | 6 | 5 | 5 | 2 | 1 | 0 | 0 | 0 | ||
| 中旬 | 982.7 | 1007.5 | -- | 45.5 | 29.0 | 19 | 23.5 | 19 | 13.0 | 19 | 7 | 7 | 5 | 1 | 0 | 0 | 0 | 0 | ||
| 下旬 | 987.2 | 1011.9 | -- | 2.0 | 1.5 | 27 | 1.5 | 27 | 0.5 | 27* | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 977.9 | 1002.5 | -- | 20.5 | 13.5 | 08 | 6.5 | 05 | 5.5 | 05 | 4 | 3 | 2 | 1 | 0 | 0 | 0 | 0 | ||
| 中旬 | 981.7 | 1006.7 | -- | 289.0 | 75.5 | 13 | 11.5 | 14 | 3.0 | 18* | 9 | 9 | 8 | 6 | 4 | 3 | 1 | 0 | ||
| 下旬 | 985.8 | 1011.0 | -- | 78.0 | 33.0 | 23 | 4.5 | 23 | 1.0 | 25* | 9 | 6 | 6 | 3 | 1 | 0 | 0 | 0 | ||
| 上旬 | 987.3 | 1012.2 | -- | 134.5 | 85.0 | 09 | 34.5 | 09 | 13.0 | 03 | 7 | 7 | 7 | 3 | 1 | 1 | 1 | 0 | ||
| 中旬 | 985.1 | 1010.1 | -- | 273.5 | 210.5 | 19 | 35.5 | 12 | 14.0 | 12 | 5 | 4 | 4 | 3 | 2 | 1 | 1 | 1 | ||
| 下旬 | 992.3 | 1018.0 | -- | 32.5 | 21.0 | 30 | 10.0 | 30 | 5.0 | 30 | 3 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | ||
| 上旬 | 991.2 | 1016.8 | -- | 51.0 | 36.0 | 04 | 5.5 | 04 | 2.0 | 03 | 5 | 4 | 4 | 2 | 1 | 0 | 0 | 0 | ||
| 中旬 | 994.0 | 1019.9 | -- | -- | -- | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||
| 下旬 | 998.4 | 1024.6 | -- | -- | -- | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||
| 上旬 | 995.1 | 1021.2 | -- | 8.5 | 8.0 | 04 | 3.0 | 04 | 1.0 | 04 | 4 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 994.0 | 1020.5 | -- | 49.5 | 31.5 | 17 | 8.5 | 17 | 2.0 | 17 | 3 | 2 | 2 | 2 | 1 | 0 | 0 | 0 | ||
| 下旬 | 989.8 | 1016.4 | -- | 8.5 | 5.5 | 26 | 2.0 | 26 | 0.5 | 28* | 3 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 990.5 | 1017.4 | -- | -- | -- | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||
| 中旬 | 994.8 | 1021.9 | -- | 1.0 | 1.0 | 16 | 1.0 | 16 | 0.5 | 16 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 991.6 | 1018.7 | -- | 0.5 | 0.5 | 31 | 0.5 | 31 | 0.5 | 31 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | ||