旬ごとの値
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倶知安（後志地方) 2004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 | 993.4 | 1017.3 | 1002.5 | 08 | 71.0 | 16.0 | 04 | 5.5 | 04 | 2.0 | 04 | 10 | 10 | 9 | 3 | 0 | 0 | 0 | 0 | |
| 中旬 | 989.2 | 1013.0 | 991.3 | 14* | 36.0 | 11.0 | 15 | 3.5 | 15 | 1.5 | 15 | 10 | 10 | 7 | 1 | 0 | 0 | 0 | 0 | |
| 下旬 | 984.9 | 1008.7 | 993.7 | 23 | 38.5 | 13.5 | 28 | 5.5 | 28 | 1.5 | 31* | 11 | 9 | 8 | 1 | 0 | 0 | 0 | 0 | |
| 上旬 | 987.4 | 1011.2 | 996.9 | 04 | 88.0 | 25.0 | 07 | 3.0 | 07* | 1.5 | 07 | 10 | 10 | 10 | 5 | 0 | 0 | 0 | 0 | |
| 中旬 | 989.6 | 1013.2 | 988.5 | 15 | 22.0 | 5.5 | 17 | 2.5 | 18 | 1.0 | 18* | 10 | 7 | 6 | 0 | 0 | 0 | 0 | 0 | |
| 下旬 | 982.7 | 1006.0 | 975.0 | 23 | 104.5 | 37.5 | 22 | 4.5 | 22 | 1.5 | 26* | 9 | 9 | 9 | 4 | 1 | 0 | 0 | 0 | |
| 上旬 | 987.8 | 1011.6 | 1000.2 | 10 | 45.0 | 7.5 | 08* | 2.0 | 08* | 1.0 | 08 | 10 | 10 | 9 | 0 | 0 | 0 | 0 | 0 | |
| 中旬 | 990.9 | 1014.4 | 993.8 | 11 | 53.0 | 17.0 | 11 | 7.5 | 11 | 2.0 | 11 | 10 | 8 | 8 | 2 | 0 | 0 | 0 | 0 | |
| 下旬 | 993.8 | 1017.2 | 1001.3 | 31 | 17.5 | 8.0 | 31 | 3.5 | 31 | 1.0 | 31 | 6 | 5 | 4 | 0 | 0 | 0 | 0 | 0 | |
| 上旬 | 989.3 | 1012.5 | 1002.9 | 09 | 14.0 | 4.5 | 01 | 2.5 | 01 | 1.0 | 08 | 9 | 8 | 4 | 0 | 0 | 0 | 0 | 0 | |
| 中旬 | 986.6 | 1009.4 | 988.5 | 20 | 32.0 | 29.0 | 20 | 4.5 | 20 | 1.0 | 20 | 7 | 4 | 2 | 1 | 0 | 0 | 0 | 0 | |
| 下旬 | 985.2 | 1008.0 | 995.3 | 21 | 9.0 | 7.0 | 28 | 2.5 | 28 | 0.5 | 28* | 8 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | |
| 上旬 | 991.3 | 1013.9 | 992.5 | 04 | 31.5 | 20.5 | 04 | 5.0 | 04 | 1.5 | 04 | 5 | 4 | 3 | 1 | 0 | 0 | 0 | 0 | |
| 中旬 | 985.1 | 1007.3 | 998.5 | 11 | 39.5 | 23.5 | 13 | 5.0 | 13 | 2.0 | 13* | 8 | 6 | 6 | 1 | 0 | 0 | 0 | 0 | |
| 下旬 | 988.2 | 1010.3 | 1000.8 | 29 | 34.5 | 16.0 | 31 | 3.0 | 31 | 1.0 | 31* | 7 | 4 | 4 | 2 | 0 | 0 | 0 | 0 | |
| 上旬 | 991.0 | 1013.2 | 1007.5 | 08 | 2.5 | 2.5 | 10 | 1.0 | 10 | 0.5 | 10 | 4 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | |
| 中旬 | 990.6 | 1012.6 | 1006.1 | 20 | 10.5 | 7.0 | 14 | 6.0 | 14 | 2.0 | 14 | 8 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | |
| 下旬 | 982.5 | 1004.1 | 989.2 | 22 | 43.5 | 35.0 | 30 | 6.0 | 30 | 3.0 | 21 | 7 | 3 | 3 | 1 | 1 | 0 | 0 | 0 | |
| 上旬 | 986.5 | 1008.4 | 1003.6 | 06 | 20.0 | 10.0 | 08 | 4.0 | 05 | 1.5 | 09* | 9 | 5 | 3 | 1 | 0 | 0 | 0 | 0 | |
| 中旬 | 984.4 | 1006.1 | 996.3 | 18 | 23.5 | 9.5 | 20 | 8.5 | 20 | 4.5 | 20 | 7 | 6 | 5 | 0 | 0 | 0 | 0 | 0 | |
| 下旬 | 987.9 | 1009.3 | 1001.3 | 24 | 34.0 | 29.0 | 26 | 22.0 | 26 | 15.0 | 26 | 5 | 3 | 2 | 1 | 0 | 0 | 0 | 0 | |
| 上旬 | 987.6 | 1008.9 | 1002.7 | 03 | 0.0 | 0.0 | 10* | 0.0 | 10* | 0.0 | 10* | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 中旬 | 985.7 | 1007.5 | 993.6 | 20 | 133.0 | 58.0 | 20 | 17.0 | 15 | 11.5 | 15 | 7 | 5 | 5 | 3 | 2 | 2 | 0 | 0 | |
| 下旬 | 989.3 | 1011.2 | 978.5 | 31 | 36.0 | 18.0 | 31 | 8.5 | 21 | 8.0 | 21 | 5 | 4 | 4 | 2 | 0 | 0 | 0 | 0 | |
| 上旬 | 988.1 | 1010.0 | 972.7 | 08 | 24.5 | 18.5 | 08 | 7.0 | 08 | 2.0 | 08 | 7 | 5 | 3 | 1 | 0 | 0 | 0 | 0 | |
| 中旬 | 996.1 | 1018.3 | 1004.2 | 19 | 76.5 | 32.5 | 19 | 17.0 | 19 | 7.5 | 19 | 6 | 4 | 4 | 2 | 2 | 0 | 0 | 0 | |
| 下旬 | 996.8 | 1019.1 | 1011.0 | 30* | 42.0 | 21.0 | 22 | 8.0 | 22 | 2.5 | 22 | 6 | 5 | 5 | 2 | 0 | 0 | 0 | 0 | |
| 上旬 | 995.2 | 1017.8 | 1006.8 | 02 | 14.5 | 8.0 | 10 | 4.0 | 02 | 3.5 | 02 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | |
| 中旬 | 994.3 | 1016.9 | 1007.9 | 13 | 26.0 | 21.0 | 11 | 4.5 | 11 | 1.5 | 12* | 6 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | |
| 下旬 | 998.1 | 1021.2 | 1006.0 | 22 | 36.5 | 12.5 | 22 | 4.0 | 22 | 2.0 | 22 | 9 | 8 | 7 | 1 | 0 | 0 | 0 | 0 | |
| 上旬 | 996.6 | 1019.5 | 1009.5 | 06 | 20.0 | 9.5 | 06 | 8.5 | 06 | 3.0 | 06 | 9 | 6 | 5 | 0 | 0 | 0 | 0 | 0 | |
| 中旬 | 991.6 | 1014.7 | 996.5 | 15 | 86.0 | 24.0 | 11 | 9.0 | 12* | 2.5 | 11 | 9 | 7 | 7 | 3 | 0 | 0 | 0 | 0 | |
| 下旬 | 993.3 | 1016.7 | 983.4 | 27 | 29.5 | 15.0 | 27 | 3.5 | 27 | 1.0 | 27 | 8 | 6 | 6 | 1 | 0 | 0 | 0 | 0 | |
| 上旬 | 995.3 | 1018.8 | 985.0 | 05 | 92.0 | 45.0 | 05 | 6.0 | 07 | 1.5 | 10* | 10 | 9 | 7 | 2 | 1 | 0 | 0 | 0 | |
| 中旬 | 995.7 | 1019.5 | 1002.7 | 20 | 64.5 | 18.0 | 16 | 4.0 | 20 | 1.5 | 20* | 10 | 9 | 9 | 1 | 0 | 0 | 0 | 0 | |
| 下旬 | 988.5 | 1012.5 | 1002.2 | 22 | 103.5 | 21.0 | 28 | 3.5 | 23 | 1.5 | 23 | 11 | 11 | 11 | 6 | 0 | 0 | 0 | 0 | |