旬ごとの値
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札幌（石狩地方) 1987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 | 1010.1 | 1012.5 | -- | 52.5 | 17.5 | 01 | 3.5 | 01 | 1.5 | 01 | 10 | 9 | 9 | 1 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1008.4 | 1010.8 | -- | 30.0 | 8.5 | 20 | 2.5 | 20* | 1.0 | 20* | 10 | 7 | 6 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1011.6 | 1014.0 | -- | 36.5 | 11.0 | 25 | 3.5 | 25 | 1.5 | 26* | 11 | 8 | 6 | 1 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1011.6 | 1014.0 | -- | 12.0 | 8.0 | 05 | 2.0 | 05 | 1.0 | 05 | 7 | 5 | 3 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1012.9 | 1015.3 | -- | 30.5 | 17.5 | 14 | 3.0 | 19* | 1.0 | 20* | 9 | 6 | 6 | 1 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1003.1 | 1005.5 | -- | 39.5 | 14.5 | 25 | 3.5 | 25 | 1.5 | 24 | 8 | 6 | 5 | 1 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1005.3 | 1007.7 | -- | 15.5 | 9.5 | 02 | 3.0 | 10* | 1.5 | 02 | 10 | 5 | 3 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1009.9 | 1012.2 | -- | 14.5 | 8.5 | 14 | 2.0 | 14 | 1.0 | 14 | 7 | 5 | 3 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1011.7 | 1014.0 | -- | 52.5 | 24.5 | 24 | 4.0 | 24 | 1.0 | 25* | 10 | 7 | 5 | 2 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1011.2 | 1013.4 | -- | 16.0 | 9.0 | 10 | 2.5 | 10 | 1.0 | 10 | 8 | 5 | 4 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1012.4 | 1014.7 | -- | 13.0 | 5.0 | 12 | 2.0 | 15* | 1.0 | 15* | 6 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1008.1 | 1010.4 | -- | 9.5 | 4.0 | 22 | 3.5 | 24 | 2.0 | 24 | 8 | 4 | 3 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1007.4 | 1009.6 | -- | 35.5 | 23.5 | 03 | 4.5 | 03 | 1.0 | 05* | 5 | 3 | 3 | 1 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1011.0 | 1013.2 | -- | 10.5 | 10.5 | 13 | 6.0 | 13 | 2.0 | 13 | 6 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1008.9 | 1011.1 | -- | 18.5 | 9.0 | 26 | 4.5 | 26 | 1.5 | 26 | 7 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1006.4 | 1008.6 | -- | 15.5 | 8.0 | 07 | 5.0 | 07 | 2.5 | 07 | 4 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1009.6 | 1011.8 | -- | 1.5 | 1.0 | 17 | 0.5 | 17* | 0.5 | 17* | 5 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1006.0 | 1008.2 | -- | 0.0 | 0.0 | 29 | 0.0 | 29 | 0.0 | 29 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1004.5 | 1006.7 | -- | 41.0 | 18.5 | 01 | 14.5 | 01 | 8.0 | 01 | 8 | 5 | 5 | 2 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1004.1 | 1006.3 | -- | 31.5 | 17.5 | 11 | 5.5 | 11 | 2.0 | 11 | 7 | 6 | 5 | 1 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1003.0 | 1005.1 | -- | 26.0 | 8.5 | 23* | 7.0 | 31 | 4.0 | 31 | 7 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1006.3 | 1008.5 | -- | 33.5 | 25.5 | 05 | 6.5 | 05 | 2.5 | 05 | 7 | 3 | 2 | 1 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1011.2 | 1013.4 | -- | 3.0 | 2.5 | 11 | 2.5 | 11 | 2.0 | 11 | 6 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1005.6 | 1007.8 | -- | 98.0 | 80.0 | 26 | 13.0 | 26 | 2.5 | 26 | 10 | 5 | 5 | 2 | 1 | 1 | 1 | 0 | ||
| 上旬 | 1011.6 | 1013.8 | -- | 15.0 | 5.5 | 06 | 3.0 | 08* | 2.0 | 06 | 10 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1012.3 | 1014.5 | -- | 0.0 | 0.0 | 20* | 0.0 | 20* | 0.0 | 20* | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1015.4 | 1017.6 | -- | 40.0 | 16.0 | 26 | 8.0 | 21 | 4.0 | 26 | 6 | 4 | 3 | 2 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1014.6 | 1016.8 | -- | 13.5 | 9.5 | 08 | 10.0 | 08 | 4.0 | 08* | 4 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1011.1 | 1013.3 | -- | 101.0 | 65.5 | 17 | 10.5 | 17 | 3.0 | 17 | 7 | 6 | 6 | 2 | 1 | 1 | 0 | 0 | ||
| 下旬 | 1014.9 | 1017.2 | -- | 4.0 | 3.0 | 21 | 1.5 | 21 | 0.5 | 24* | 10 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1014.4 | 1016.7 | -- | 47.0 | 27.5 | 05 | 9.0 | 05 | 3.0 | 05 | 9 | 8 | 5 | 1 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1016.2 | 1018.5 | -- | 17.0 | 11.5 | 19 | 8.5 | 19 | 3.0 | 19 | 8 | 6 | 5 | 1 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1013.3 | 1015.7 | -- | 13.0 | 9.0 | 23 | 5.5 | 23 | 2.0 | 23 | 9 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1015.4 | 1017.7 | -- | 64.5 | 35.5 | 02 | 6.0 | 03* | 2.0 | 03 | 10 | 9 | 7 | 2 | 1 | 0 | 0 | 0 | ||
| 中旬 | 1014.3 | 1016.7 | -- | 29.5 | 12.5 | 19* | 5.5 | 17 | 1.5 | 19* | 10 | 3 | 3 | 2 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1011.9 | 1014.3 | -- | 16.5 | 10.0 | 30 | 2.0 | 30* | 1.0 | 30* | 10 | 5 | 3 | 1 | 0 | 0 | 0 | 0 | ||