旬ごとの値
 |  |
 |  |
 |  |  |  |  |
 |  |  |  |  |  |
 |  |  |  |  |
札幌（石狩地方) 2005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 | 1006.6 | 1010.0 | 1002.0 | 04 | 65.0 | 16.5 | 08 | 4.5 | 05* | 1.5 | 04 | 10 | 9 | 8 | 4 | 0 | 0 | 0 | 0 | |
| 中旬 | 1009.1 | 1012.5 | 1001.2 | 12 | 29.0 | 14.0 | 20 | 5.0 | 20* | 2.0 | 13 | 8 | 4 | 4 | 2 | 0 | 0 | 0 | 0 | |
| 下旬 | 1004.1 | 1007.5 | 987.5 | 31 | 59.5 | 19.0 | 22 | 5.0 | 25 | 1.5 | 25* | 11 | 8 | 7 | 2 | 0 | 0 | 0 | 0 | |
| 上旬 | 1006.3 | 1009.6 | 986.9 | 01 | 60.5 | 21.0 | 06 | 4.5 | 06 | 1.5 | 06 | 10 | 10 | 7 | 2 | 0 | 0 | 0 | 0 | |
| 中旬 | 1016.3 | 1019.6 | 1002.7 | 20 | 34.5 | 7.5 | 19 | 2.5 | 17 | 1.0 | 17 | 10 | 10 | 8 | 0 | 0 | 0 | 0 | 0 | |
| 下旬 | 1007.3 | 1010.7 | 991.6 | 23 | 25.5 | 11.0 | 23 | 3.0 | 23 | 1.0 | 23* | 8 | 6 | 3 | 2 | 0 | 0 | 0 | 0 | |
| 上旬 | 1012.9 | 1016.3 | 1006.7 | 08 | 11.0 | 5.0 | 08 | 3.0 | 08 | 1.5 | 08 | 10 | 6 | 4 | 0 | 0 | 0 | 0 | 0 | |
| 中旬 | 1005.6 | 1008.8 | 991.5 | 12 | 52.0 | 13.5 | 18 | 3.0 | 19* | 1.5 | 19 | 10 | 8 | 5 | 3 | 0 | 0 | 0 | 0 | |
| 下旬 | 1001.7 | 1004.9 | 983.0 | 29 | 61.0 | 22.0 | 31 | 4.5 | 29* | 1.0 | 31* | 11 | 10 | 9 | 3 | 0 | 0 | 0 | 0 | |
| 上旬 | 1007.3 | 1010.5 | 997.5 | 07 | 23.0 | 12.5 | 10 | 2.5 | 01 | 1.0 | 01 | 9 | 6 | 5 | 1 | 0 | 0 | 0 | 0 | |
| 中旬 | 1014.6 | 1017.9 | 1007.2 | 11 | 8.5 | 4.5 | 15 | 3.0 | 15 | 1.0 | 15 | 7 | 5 | 2 | 0 | 0 | 0 | 0 | 0 | |
| 下旬 | 1002.8 | 1006.0 | 988.6 | 29* | 23.5 | 13.5 | 23 | 2.5 | 28* | 1.0 | 28* | 10 | 7 | 3 | 1 | 0 | 0 | 0 | 0 | |
| 上旬 | 1003.9 | 1007.1 | 996.2 | 02 | 32.5 | 12.5 | 10 | 3.0 | 09 | 1.0 | 10* | 8 | 6 | 5 | 2 | 0 | 0 | 0 | 0 | |
| 中旬 | 1008.9 | 1012.1 | 985.3 | 19 | 23.5 | 8.5 | 15 | 2.5 | 19 | 1.0 | 19* | 6 | 5 | 4 | 0 | 0 | 0 | 0 | 0 | |
| 下旬 | 1009.6 | 1012.8 | 1001.9 | 31 | 6.0 | 3.0 | 23 | 1.0 | 23 | 0.5 | 26* | 6 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | |
| 上旬 | 1007.4 | 1010.5 | 1003.1 | 01 | 6.5 | 4.5 | 04 | 1.5 | 05* | 1.0 | 04 | 6 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | |
| 中旬 | 1004.0 | 1007.1 | 996.2 | 12 | 9.0 | 5.0 | 12 | 2.0 | 12* | 1.0 | 12 | 4 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | |
| 下旬 | 1001.2 | 1004.3 | 997.9 | 24 | 35.5 | 34.5 | 25 | 11.0 | 25 | 3.5 | 25 | 6 | 2 | 2 | 1 | 1 | 0 | 0 | 0 | |
| 上旬 | 1004.2 | 1007.3 | 1002.7 | 06* | 53.0 | 23.0 | 06 | 6.0 | 06 | 2.0 | 06 | 7 | 4 | 4 | 2 | 0 | 0 | 0 | 0 | |
| 中旬 | 1006.8 | 1009.9 | 1002.0 | 18 | 12.5 | 9.0 | 11 | 4.0 | 11 | 1.0 | 18* | 6 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | |
| 下旬 | 1003.9 | 1006.9 | 994.0 | 27 | 53.5 | 36.5 | 27 | 5.0 | 27 | 2.5 | 29 | 7 | 5 | 3 | 1 | 1 | 0 | 0 | 0 | |
| 上旬 | 1006.1 | 1009.2 | 1004.5 | 03 | 45.5 | 28.0 | 03 | 19.0 | 03 | 7.5 | 03 | 5 | 3 | 3 | 2 | 0 | 0 | 0 | 0 | |
| 中旬 | 1005.3 | 1008.3 | 1002.3 | 15 | 13.0 | 12.0 | 20 | 8.0 | 20 | 4.0 | 20 | 2 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | |
| 下旬 | 1007.2 | 1010.3 | 1004.0 | 27 | 55.5 | 33.5 | 22 | 10.5 | 22 | 3.5 | 22* | 6 | 6 | 3 | 2 | 1 | 0 | 0 | 0 | |
| 上旬 | 1010.6 | 1013.7 | 986.1 | 08 | 92.0 | 91.5 | 07 | 10.5 | 07 | 4.5 | 07 | 4 | 2 | 1 | 1 | 1 | 1 | 1 | 0 | |
| 中旬 | 1011.6 | 1014.7 | 1006.6 | 13 | 18.5 | 8.5 | 14 | 4.0 | 18 | 1.5 | 18 | 6 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | |
| 下旬 | 1016.0 | 1019.2 | 1012.6 | 21 | 15.5 | 7.0 | 23* | 3.5 | 23 | 1.0 | 23* | 7 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | |
| 上旬 | 1012.2 | 1015.3 | 999.1 | 08 | 21.0 | 9.0 | 03 | 6.5 | 03 | 3.0 | 03 | 8 | 5 | 3 | 0 | 0 | 0 | 0 | 0 | |
| 中旬 | 1016.2 | 1019.4 | 1006.5 | 15 | 3.5 | 3.0 | 14 | 2.5 | 14 | 1.5 | 14 | 4 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | |
| 下旬 | 1010.2 | 1013.4 | 1000.2 | 29 | 47.5 | 26.5 | 22 | 5.5 | 22 | 1.5 | 30* | 8 | 6 | 3 | 2 | 0 | 0 | 0 | 0 | |
| 上旬 | 1009.1 | 1012.3 | 991.0 | 07 | 49.0 | 27.5 | 07 | 7.5 | 07 | 2.0 | 07 | 8 | 6 | 4 | 2 | 0 | 0 | 0 | 0 | |
| 中旬 | 1011.8 | 1015.1 | 1008.2 | 11 | 54.5 | 39.5 | 19 | 7.0 | 19 | 3.0 | 19 | 10 | 6 | 5 | 1 | 1 | 0 | 0 | 0 | |
| 下旬 | 1007.2 | 1010.5 | 982.7 | 29 | 47.0 | 37.0 | 29 | 8.0 | 29 | 2.0 | 29 | 9 | 8 | 5 | 1 | 1 | 0 | 0 | 0 | |
| 上旬 | 1007.1 | 1010.5 | 999.9 | 03 | 3.5 | 3.5 | 10 | 1.5 | 10 | 0.5 | 10 | 7 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | |
| 中旬 | 1004.2 | 1007.6 | 997.8 | 13 | 28.0 | 13.0 | 11 | 7.5 | 11 | 2.0 | 11 | 9 | 8 | 5 | 1 | 0 | 0 | 0 | 0 | |
| 下旬 | 1005.1 | 1008.5 | 986.3 | 26 | 57.5 | 13.5 | 29* | 5.0 | 25 | 1.5 | 27* | 11 | 8 | 7 | 2 | 0 | 0 | 0 | 0 | |