旬ごとの値
 |  |
 |  |
 |  |  |  |  |
 |  |  |  |  |  |
 |  |  |  |  |
札幌（石狩地方) 2020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 | 1013.0 | 1016.4 | 1004.9 | 08 | 11.5 | 2.5 | 01 | 1.5 | 07 | 0.5 | 08* | 8 | 7 | 6 | 0 | 0 | 0 | 0 | 0 | |
| 中旬 | 1012.6 | 1016.0 | 1007.1 | 20 | 16.5 | 14.0 | 20 | 3.5 | 20 | 1.0 | 20 | 8 | 3 | 3 | 1 | 0 | 0 | 0 | 0 | |
| 下旬 | 1015.6 | 1019.0 | 995.4 | 30 | 23.5 | 6.0 | 21 | 1.5 | 25* | 0.5 | 31* | 10 | 9 | 7 | 0 | 0 | 0 | 0 | 0 | |
| 上旬 | 1013.9 | 1017.3 | 1010.2 | 01 | 66.5 | 26.0 | 05 | 7.0 | 05 | 2.0 | 05 | 9 | 8 | 8 | 1 | 0 | 0 | 0 | 0 | |
| 中旬 | 1013.2 | 1016.5 | 998.6 | 17 | 49.5 | 14.5 | 17 | 4.5 | 18 | 1.5 | 18 | 9 | 8 | 6 | 2 | 0 | 0 | 0 | 0 | |
| 下旬 | 1015.7 | 1019.1 | 993.2 | 23 | 41.0 | 13.5 | 23 | 4.5 | 28 | 2.0 | 28 | 7 | 7 | 7 | 1 | 0 | 0 | 0 | 0 | |
| 上旬 | 1013.9 | 1017.2 | 985.0 | 10 | 61.0 | 28.0 | 05 | 4.0 | 10* | 1.5 | 05 | 9 | 6 | 6 | 2 | 0 | 0 | 0 | 0 | |
| 中旬 | 1001.7 | 1005.0 | 979.6 | 11 | 36.0 | 12.0 | 13 | 5.0 | 13 | 1.5 | 13 | 8 | 5 | 5 | 2 | 0 | 0 | 0 | 0 | |
| 下旬 | 1010.5 | 1013.8 | 995.3 | 21 | 10.5 | 5.5 | 23 | 2.0 | 23 | 1.0 | 23 | 6 | 5 | 4 | 0 | 0 | 0 | 0 | 0 | |
| 上旬 | 1007.7 | 1010.9 | 1000.6 | 06 | 23.0 | 14.5 | 09 | 5.0 | 09 | 1.5 | 09 | 7 | 6 | 5 | 1 | 0 | 0 | 0 | 0 | |
| 中旬 | 1013.3 | 1016.6 | 1000.5 | 20 | 16.5 | 16.0 | 20 | 3.5 | 20 | 1.0 | 20 | 5 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | |
| 下旬 | 1005.1 | 1008.3 | 996.5 | 21 | 13.0 | 6.5 | 25 | 3.0 | 25 | 1.0 | 25 | 9 | 7 | 5 | 0 | 0 | 0 | 0 | 0 | |
| 上旬 | 1006.4 | 1009.6 | 990.8 | 10 | 20.5 | 9.5 | 10 | 2.0 | 10* | 1.0 | 10* | 7 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | |
| 中旬 | 1005.3 | 1008.5 | 992.5 | 11 | 2.0 | 2.0 | 11 | 1.5 | 11 | 0.5 | 11 | 6 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | |
| 下旬 | 1008.4 | 1011.5 | 1000.5 | 27 | 23.0 | 12.0 | 27 | 6.0 | 25 | 3.5 | 25 | 7 | 3 | 3 | 1 | 0 | 0 | 0 | 0 | |
| 上旬 | 1006.0 | 1009.0 | 1000.3 | 05 | 5.0 | 4.5 | 04 | 4.0 | 04 | 1.5 | 04 | 7 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | |
| 中旬 | 1000.4 | 1003.4 | 996.9 | 15 | 10.5 | 3.5 | 18 | 2.5 | 18* | 1.0 | 18* | 8 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | |
| 下旬 | 1006.0 | 1009.0 | 1000.3 | 28 | 36.0 | 18.0 | 28 | 5.5 | 28 | 1.5 | 29* | 9 | 5 | 4 | 2 | 0 | 0 | 0 | 0 | |
| 上旬 | 1003.4 | 1006.4 | 999.3 | 08 | 48.5 | 25.5 | 07 | 13.5 | 07 | 5.0 | 07 | 5 | 4 | 3 | 2 | 0 | 0 | 0 | 0 | |
| 中旬 | 1006.4 | 1009.5 | 1003.5 | 15 | 0.0 | 0.0 | 16* | 0.0 | 16* | 0.0 | 16* | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 下旬 | 1009.1 | 1012.1 | 1006.4 | 22 | 8.0 | 6.0 | 21 | 2.5 | 21 | 1.0 | 21 | 5 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | |
| 上旬 | 1006.7 | 1009.8 | 991.0 | 07 | 17.0 | 7.5 | 05 | 6.5 | 05 | 2.5 | 05 | 7 | 5 | 4 | 0 | 0 | 0 | 0 | 0 | |
| 中旬 | 1004.4 | 1007.4 | 1000.6 | 15 | 36.5 | 20.0 | 14 | 10.5 | 15 | 6.5 | 15 | 9 | 5 | 3 | 2 | 0 | 0 | 0 | 0 | |
| 下旬 | 1009.4 | 1012.5 | 1008.1 | 28 | 70.5 | 61.5 | 30 | 22.0 | 30 | 6.0 | 30 | 3 | 3 | 3 | 1 | 1 | 1 | 0 | 0 | |
| 上旬 | 1011.2 | 1014.2 | 1009.3 | 10 | 7.5 | 7.5 | 10 | 2.0 | 10 | 1.5 | 10 | 7 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | |
| 中旬 | 1011.0 | 1014.1 | 1003.6 | 18 | 43.5 | 15.0 | 18 | 4.5 | 16 | 2.0 | 16 | 10 | 9 | 9 | 1 | 0 | 0 | 0 | 0 | |
| 下旬 | 1013.0 | 1016.1 | 1008.6 | 27 | 2.5 | 1.5 | 25 | 1.0 | 25 | 0.5 | 28* | 7 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | |
| 上旬 | 1013.5 | 1016.6 | 997.4 | 05 | 29.5 | 8.5 | 01 | 8.5 | 02* | 5.0 | 01 | 8 | 6 | 6 | 0 | 0 | 0 | 0 | 0 | |
| 中旬 | 1015.2 | 1018.3 | 1006.2 | 12 | 9.5 | 7.0 | 12 | 4.0 | 13 | 3.5 | 13 | 8 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | |
| 下旬 | 1009.9 | 1013.1 | 991.4 | 23 | 27.0 | 11.0 | 23 | 3.5 | 29 | 2.0 | 29 | 11 | 7 | 7 | 1 | 0 | 0 | 0 | 0 | |
| 上旬 | 1008.2 | 1011.4 | 998.4 | 09* | 50.5 | 36.5 | 09 | 6.5 | 09 | 4.0 | 09 | 10 | 7 | 6 | 1 | 1 | 0 | 0 | 0 | |
| 中旬 | 1017.0 | 1020.3 | 996.8 | 20 | 34.0 | 13.0 | 19 | 4.0 | 13 | 1.5 | 13 | 8 | 6 | 5 | 1 | 0 | 0 | 0 | 0 | |
| 下旬 | 1015.0 | 1018.2 | 1005.1 | 21 | 28.5 | 9.5 | 23 | 4.0 | 23 | 1.0 | 23 | 9 | 6 | 6 | 0 | 0 | 0 | 0 | 0 | |
| 上旬 | 1016.7 | 1020.0 | 1014.0 | 08 | 1.0 | 1.0 | 07 | 1.0 | 07 | 0.5 | 07 | 9 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | |
| 中旬 | 1006.2 | 1009.5 | 1003.0 | 15 | 11.5 | 4.5 | 20 | 1.5 | 20 | 0.5 | 20* | 9 | 5 | 4 | 0 | 0 | 0 | 0 | 0 | |
| 下旬 | 1008.6 | 1011.9 | 996.4 | 30 | 14.0 | 4.5 | 26 | 2.0 | 26* | 1.0 | 30* | 8 | 6 | 6 | 0 | 0 | 0 | 0 | 0 | |