旬ごとの値
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札幌（石狩地方) 1981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 | 1003.1 | 1005.5 | -- | 59.5 | 19.0 | 10 | 5.0 | 02 | 1.5 | 10* | 7 | 6 | 5 | 3 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1007.4 | 1009.8 | -- | 3.5 | 2.0 | 14 | 1.5 | 14* | 1.0 | 14 | 8 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1011.4 | 1013.8 | -- | 99.0 | 22.0 | 22 | 4.0 | 22 | 1.5 | 25 | 11 | 11 | 10 | 4 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1008.0 | 1010.4 | -- | 11.0 | 5.5 | 04 | 2.0 | 04 | 0.5 | 10* | 10 | 7 | 5 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1010.2 | 1012.5 | -- | 23.0 | 11.5 | 19 | 4.0 | 19* | 2.0 | 19 | 10 | 5 | 5 | 1 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1011.0 | 1013.3 | -- | 7.0 | 2.0 | 22 | 1.0 | 27* | 0.5 | 27* | 5 | 5 | 4 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1013.5 | 1015.9 | -- | 37.5 | 8.0 | 07 | 4.0 | 10 | 1.5 | 10* | 10 | 10 | 8 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1009.4 | 1011.7 | 977.0 | 15 | 66.5 | 24.5 | 16 | 6.5 | 16 | 2.0 | 16 | 8 | 8 | 8 | 4 | 0 | 0 | 0 | 0 | |
| 下旬 | 1012.9 | 1015.3 | -- | 35.0 | 10.5 | 23 | 3.0 | 23 | 1.0 | 29* | 10 | 8 | 7 | 1 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1010.0 | 1012.3 | -- | 20.0 | 6.5 | 10* | 2.5 | 02 | 1.5 | 02 | 4 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1008.3 | 1010.6 | -- | 61.5 | 30.0 | 20 | 6.0 | 20 | 2.0 | 20 | 6 | 5 | 5 | 2 | 1 | 0 | 0 | 0 | ||
| 下旬 | 1006.0 | 1008.2 | -- | 8.0 | 4.0 | 30 | 2.5 | 25 | 1.0 | 25 | 5 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1011.2 | 1013.5 | -- | 1.0 | 0.5 | 09* | 1.0 | 01 | 0.5 | 09* | 7 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1008.1 | 1010.4 | -- | 11.5 | 7.0 | 18 | 2.0 | 18 | 0.5 | 19* | 7 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1004.1 | 1006.3 | -- | 58.5 | 20.5 | 25 | 4.5 | 25 | 1.5 | 25 | 9 | 6 | 6 | 3 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1012.4 | 1014.7 | -- | 0.0 | 0.0 | 10* | 0.0 | 10* | 0.0 | 10* | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1008.5 | 1010.7 | -- | 8.5 | 4.5 | 12 | 2.0 | 12 | 1.0 | 12 | 8 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1005.1 | 1007.3 | -- | 41.5 | 40.0 | 28 | 11.5 | 28 | 3.5 | 28 | 5 | 2 | 2 | 1 | 1 | 0 | 0 | 0 | ||
| 上旬 | 1007.1 | 1009.2 | -- | 22.5 | 9.0 | 10 | 3.0 | 10* | 1.5 | 10 | 8 | 6 | 5 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1007.4 | 1009.5 | -- | 18.5 | 16.5 | 17 | 8.5 | 17 | 2.0 | 17 | 5 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1008.0 | 1010.2 | -- | 0.0 | 0.0 | 23* | 0.0 | 23* | 0.0 | 23* | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1001.5 | 1003.7 | -- | 327.5 | 170.0 | 04 | 29.5 | 04 | 8.5 | 04 | 7 | 6 | 6 | 4 | 2 | 2 | 2 | 2 | ||
| 中旬 | 1006.2 | 1008.3 | -- | 83.0 | 70.5 | 12 | 21.5 | 12 | 6.5 | 12 | 6 | 3 | 3 | 1 | 1 | 1 | 1 | 0 | ||
| 下旬 | 1002.6 | 1004.8 | 969.3 | 23 | 233.5 | 207.0 | 23 | 37.5 | 23 | 9.0 | 23 | 8 | 5 | 5 | 2 | 1 | 1 | 1 | 1 | |
| 上旬 | 1006.5 | 1008.7 | -- | 113.5 | 92.5 | 04 | 11.5 | 04 | 2.5 | 04 | 6 | 4 | 4 | 2 | 1 | 1 | 1 | 0 | ||
| 中旬 | 1013.9 | 1016.1 | -- | 4.0 | 1.5 | 14* | 1.0 | 14* | 1.0 | 13 | 6 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1011.2 | 1013.4 | -- | 59.0 | 47.0 | 28 | 11.5 | 25 | 7.0 | 25 | 5 | 2 | 2 | 2 | 1 | 0 | 0 | 0 | ||
| 上旬 | 1004.1 | 1006.3 | -- | 31.0 | 12.0 | 04 | 9.5 | 04 | 3.0 | 04 | 7 | 5 | 5 | 2 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1014.1 | 1016.3 | -- | 21.0 | 9.0 | 19 | 4.0 | 19 | 1.5 | 19* | 6 | 5 | 4 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1011.7 | 1014.0 | -- | 28.5 | 9.5 | 29 | 3.5 | 29* | 1.5 | 23 | 8 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1014.6 | 1016.9 | -- | 32.5 | 15.0 | 08 | 4.0 | 08 | 1.5 | 08 | 9 | 6 | 5 | 1 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1010.4 | 1012.7 | -- | 9.5 | 4.0 | 11 | 2.5 | 11 | 1.0 | 11 | 9 | 5 | 3 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1014.5 | 1016.8 | -- | 31.5 | 17.5 | 22 | 5.0 | 22 | 2.5 | 22 | 10 | 5 | 3 | 1 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1014.0 | 1016.3 | -- | 30.0 | 16.5 | 03 | 4.0 | 03 | 1.0 | 09* | 10 | 5 | 5 | 1 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1009.0 | 1011.3 | -- | 46.5 | 14.5 | 20 | 3.5 | 13 | 1.5 | 13 | 9 | 8 | 6 | 3 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1012.4 | 1014.7 | -- | 27.0 | 10.5 | 29 | 2.5 | 29 | 1.0 | 29 | 10 | 6 | 5 | 1 | 0 | 0 | 0 | 0 | ||