半旬ごとの値
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倶知安（後志地方) 2018年（半旬ごとの値） 詳細（気圧・降水量）
| 月 | 半旬 | 日～日 | 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 | ||||||||||||||
| 第1半旬 | 1～ 5 | 986.7 | 1010.2 | 1004.3 | 02* | 25.5 | 9.5 | 02 | 2.5 | 02* | 1.0 | 02* | 5 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | |
| 第2半旬 | 6～10 | 980.7 | 1004.1 | 982.1 | 09 | 46.5 | 16.5 | 06 | 3.0 | 07* | 1.0 | 09* | 5 | 4 | 4 | 2 | 0 | 0 | 0 | 0 | |
| 第3半旬 | 11～15 | 993.2 | 1017.2 | 1004.9 | 11 | 24.0 | 8.5 | 15 | 2.5 | 15 | 1.0 | 15* | 5 | 5 | 4 | 0 | 0 | 0 | 0 | 0 | |
| 第4半旬 | 16～20 | 993.1 | 1016.9 | 1010.0 | 20 | 17.5 | 10.5 | 18 | 4.0 | 18 | 1.5 | 18 | 5 | 4 | 4 | 1 | 0 | 0 | 0 | 0 | |
| 第5半旬 | 21～25 | 983.0 | 1007.1 | 990.1 | 23 | 30.0 | 10.5 | 25 | 2.5 | 25 | 1.0 | 25* | 5 | 5 | 5 | 1 | 0 | 0 | 0 | 0 | |
| 第6半旬 | 26～31 | 985.9 | 1010.0 | 998.6 | 26 | 47.0 | 12.0 | 30 | 2.5 | 30 | 0.5 | 31* | 6 | 6 | 6 | 2 | 0 | 0 | 0 | 0 | |
| 第1半旬 | 1～ 5 | 993.9 | 1018.1 | 1003.1 | 05 | 5.0 | 2.5 | 03 | 1.0 | 01 | 0.5 | 04* | 5 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | |
| 第2半旬 | 6～10 | 989.3 | 1013.2 | 1005.7 | 10 | 10.0 | 5.0 | 10 | 1.5 | 10* | 1.0 | 08 | 5 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | |
| 第3半旬 | 11～15 | 982.9 | 1006.9 | 1001.3 | 14 | 56.0 | 16.0 | 13 | 2.0 | 15* | 1.0 | 15* | 5 | 5 | 5 | 4 | 0 | 0 | 0 | 0 | |
| 第4半旬 | 16～20 | 986.7 | 1010.7 | 989.9 | 17 | 43.0 | 10.0 | 16 | 3.0 | 18 | 1.0 | 18 | 5 | 5 | 5 | 1 | 0 | 0 | 0 | 0 | |
| 第5半旬 | 21～25 | 995.2 | 1019.3 | 1012.6 | 23 | 27.5 | 8.5 | 23 | 3.0 | 23 | 1.0 | 23 | 5 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | |
| 第6半旬 | 26～28 | 999.0 | 1023.5 | 1018.0 | 28 | 11.5 | 9.0 | 26 | 2.0 | 26 | 0.5 | 28* | 3 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | |
| 第1半旬 | 1～ 5 | 982.4 | 1005.8 | 973.1 | 01 | 43.0 | 20.5 | 02 | 3.5 | 02 | 1.0 | 04* | 5 | 4 | 3 | 3 | 0 | 0 | 0 | 0 | |
| 第2半旬 | 6～10 | 998.8 | 1022.8 | 1001.9 | 09 | 67.0 | 31.0 | 09 | 11.5 | 08 | 2.5 | 08 | 5 | 4 | 4 | 2 | 1 | 0 | 0 | 0 | |
| 第3半旬 | 11～15 | 992.1 | 1015.5 | 1006.1 | 15 | 11.0 | 7.5 | 15 | 2.0 | 15 | 0.5 | 15* | 4 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | |
| 第4半旬 | 16～20 | 996.2 | 1020.0 | 1007.8 | 16 | 7.0 | 3.5 | 16 | 1.0 | 16 | 0.5 | 20* | 5 | 4 | 3 | 0 | 0 | 0 | 0 | 0 | |
| 第5半旬 | 21～25 | 991.4 | 1014.8 | 1006.5 | 22 | 4.5 | 4.5 | 25 | 4.0 | 25 | 1.5 | 25 | 3 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | |
| 第6半旬 | 26～31 | 993.0 | 1016.1 | 1006.3 | 28 | 0.0 | 0.0 | 30 | 0.0 | 30 | 0.0 | 30 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 第1半旬 | 1～ 5 | 993.2 | 1016.5 | 1010.9 | 03 | 2.0 | 1.0 | 03* | 0.5 | 03* | 0.5 | 03* | 4 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | |
| 第2半旬 | 6～10 | 986.3 | 1009.5 | 997.6 | 07 | 13.5 | 11.5 | 09 | 3.0 | 09 | 1.0 | 09 | 5 | 3 | 3 | 1 | 0 | 0 | 0 | 0 | |
| 第3半旬 | 11～15 | 986.2 | 1009.2 | 993.6 | 15 | 22.5 | 11.5 | 11 | 3.5 | 11 | 1.0 | 11 | 5 | 5 | 4 | 1 | 0 | 0 | 0 | 0 | |
| 第4半旬 | 16～20 | 993.8 | 1016.8 | 1003.2 | 16 | 1.5 | 1.5 | 16 | 1.0 | 16 | 0.5 | 16 | 3 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | |
| 第5半旬 | 21～25 | 994.2 | 1017.1 | 1004.5 | 25 | 4.0 | 4.0 | 25 | 2.0 | 25 | 0.5 | 25 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | |
| 第6半旬 | 26～30 | 986.1 | 1008.6 | 1002.8 | 26 | 0.0 | 0.0 | 26 | 0.0 | 26 | 0.0 | 26 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 第1半旬 | 1～ 5 | 986.6 | 1009.2 | 997.1 | 03 | 13.5 | 13.0 | 03 | 3.5 | 03 | 1.5 | 03 | 5 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | |
| 第2半旬 | 6～10 | 992.8 | 1015.7 | 1008.5 | 06 | 17.0 | 17.0 | 06 | 3.5 | 06 | 1.0 | 06 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | |
| 第3半旬 | 11～15 | 985.8 | 1008.1 | 1003.2 | 14 | 23.0 | 23.0 | 13 | 4.5 | 13 | 1.5 | 13 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | |
| 第4半旬 | 16～20 | 987.9 | 1010.3 | 998.5 | 17 | 31.5 | 16.5 | 19 | 4.0 | 19 | 1.0 | 19* | 4 | 4 | 2 | 2 | 0 | 0 | 0 | 0 | |
| 第5半旬 | 21～25 | 987.1 | 1009.4 | 999.5 | 25 | 6.0 | 4.0 | 25 | 3.0 | 25 | 1.0 | 25 | 3 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | |
| 第6半旬 | 26～31 | 989.5 | 1011.8 | 1005.3 | 31 | 17.0 | 16.0 | 31 | 4.5 | 31 | 3.5 | 31 | 4 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | |
| 第1半旬 | 1～ 5 | 991.2 | 1013.2 | 1006.6 | 01 | 0.0 | 0.0 | 03* | 0.0 | 03* | 0.0 | 03* | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 第2半旬 | 6～10 | 988.3 | 1010.4 | 1004.1 | 08 | 32.0 | 32.0 | 08 | 12.5 | 08 | 7.5 | 08 | 3 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | |
| 第3半旬 | 11～15 | 985.1 | 1007.5 | 997.9 | 12 | 56.0 | 48.5 | 12 | 6.5 | 12 | 1.5 | 12 | 4 | 4 | 3 | 1 | 1 | 0 | 0 | 0 | |
| 第4半旬 | 16～20 | 989.0 | 1011.1 | 1000.9 | 20 | 9.5 | 8.0 | 20 | 5.0 | 20 | 1.5 | 20 | 3 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | |
| 第5半旬 | 21～25 | 981.1 | 1003.1 | 997.2 | 23 | 3.5 | 3.5 | 21 | 2.5 | 21 | 1.0 | 21 | 4 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | |
| 第6半旬 | 26～30 | 984.7 | 1006.5 | 990.0 | 27 | 30.5 ) | 27.0 ) | 27 | 7.0 | 27 | 2.0 | 27 | 4 | 3 | 3 | 1 ) | 0 ) | 0 ) | 0 ) | 0 ) | |
| 第1半旬 | 1～ 5 | 986.4 | 1008.1 | 995.3 | 05 | 147.0 | 75.0 | 05 | 17.5 | 05 | 5.5 | 02 | 5 | 5 | 5 | 5 | 1 | 1 | 1 | 0 | |
| 第2半旬 | 6～10 | 995.0 | 1017.2 | 1011.5 | 06 | 28.0 | 28.0 | 10 | 5.5 | 10 | 2.0 | 10 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | |
| 第3半旬 | 11～15 | 988.1 | 1009.9 | 1005.2 | 15 | 38.0 | 30.5 | 15 | 13.5 | 15 | 3.5 | 15 | 4 | 2 | 2 | 1 | 1 | 0 | 0 | 0 | |
| 第4半旬 | 16～20 | 988.2 | 1009.8 | 1007.1 | 16 | 0.0 | 0.0 | 17 | 0.0 | 17 | 0.0 | 17 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 第5半旬 | 21～25 | 986.1 | 1007.7 | 1005.3 | 21 | 0.0 | 0.0 | 23* | 0.0 | 23* | 0.0 | 23* | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 第6半旬 | 26～31 | 987.5 | 1008.8 | 1001.6 | 31 | 0.0 | 0.0 | 31 | 0.0 | 31 | 0.0 | 31 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 第1半旬 | 1～ 5 | 984.3 | 1005.9 | 999.2 | 01 | 5.0 | 3.5 | 05 | 2.5 | 05 | 0.5 | 05* | 4 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | |
| 第2半旬 | 6～10 | 987.6 | 1009.2 | 1001.2 | 10 | 16.5 | 16.5 | 10 | 7.0 | 10 | 3.0 | 10 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | |
| 第3半旬 | 11～15 | 988.3 | 1010.0 | 1002.4 | 11 | 92.5 | 34.0 | 13 | 24.0 | 13 | 8.5 | 13 | 5 | 5 | 4 | 4 | 1 | 0 | 0 | 0 | |
| 第4半旬 | 16～20 | 988.2 | 1010.2 | 998.4 | 16 | 68.5 | 50.0 | 16 | 12.0 | 16 | 2.5 | 16 | 4 | 3 | 3 | 2 | 1 | 1 | 0 | 0 | |
| 第5半旬 | 21～25 | 986.7 | 1008.3 | 1001.0 | 25 | 64.0 | 28.0 | 22 | 12.5 | 22 | 8.0 | 22 | 4 | 3 | 3 | 3 | 0 | 0 | 0 | 0 | |
| 第6半旬 | 26～31 | 989.2 | 1011.0 | 1003.6 | 26 | 26.0 | 19.0 | 31 | 15.5 | 31 | 8.0 | 31 | 3 | 3 | 3 | 1 | 0 | 0 | 0 | 0 | |
| 第1半旬 | 1～ 5 | 985.4 | 1007.1 | 978.4 | 05 | 52.0 | 45.5 | 05 | 19.5 | 05 | 6.5 | 05 | 4 | 3 | 3 | 1 | 1 | 0 | 0 | 0 | |
| 第2半旬 | 6～10 | 989.5 | 1011.5 | 999.5 | 06 | 10.0 | 9.5 | 07 | 3.0 | 07 | 1.5 | 07 | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | |
| 第3半旬 | 11～15 | 998.2 | 1020.5 | 1013.6 | 15 | 10.5 | 7.5 | 14 | 6.0 | 14 | 4.0 | 14 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | |
| 第4半旬 | 16～20 | 989.8 | 1011.9 | 1007.6 | 17 | 3.0 | 2.0 | 20 | 2.0 | 20 | 1.0 | 20 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | |
| 第5半旬 | 21～25 | 992.6 | 1014.8 | 1009.6 | 22 | 19.0 | 10.0 | 22 | 7.0 | 24 | 6.0 | 24 | 4 | 3 | 2 | 1 | 0 | 0 | 0 | 0 | |
| 第6半旬 | 26～30 | 994.8 | 1017.2 | 997.7 | 30 | 1.5 | 1.5 | 28 | 1.5 | 28 | 1.0 | 28 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | |
| 第1半旬 | 1～ 5 | 991.8 | 1014.2 | 983.6 | 01 | 35.0 | 17.5 | 01 | 6.0 | 03 | 2.0 | 03* | 3 | 3 | 3 | 1 | 0 | 0 | 0 | 0 | |
| 第2半旬 | 6～10 | 991.0 | 1013.3 | 991.9 | 07 | 25.0 | 12.5 | 06 | 3.0 | 07* | 2.0 | 06 | 5 | 4 | 3 | 2 | 0 | 0 | 0 | 0 | |
| 第3半旬 | 11～15 | 996.0 | 1018.7 | 1011.6 | 12 | 13.0 | 8.0 | 12 | 1.5 | 12 | 1.0 | 14* | 5 | 4 | 3 | 0 | 0 | 0 | 0 | 0 | |
| 第4半旬 | 16～20 | 994.8 | 1017.7 | 1011.2 | 16 | 8.0 | 5.5 | 16 | 2.5 | 16 | 1.0 | 16 | 3 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | |
| 第5半旬 | 21～25 | 997.0 | 1019.7 | 1011.3 | 24 | 11.0 | 7.5 | 25 | 3.5 | 25 | 1.0 | 25 | 3 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | |
| 第6半旬 | 26～31 | 985.0 | 1007.7 | 997.2 | 29 | 63.5 | 26.0 | 31 | 6.0 | 29 | 2.0 | 29 | 5 | 4 | 4 | 3 | 0 | 0 | 0 | 0 | |
| 第1半旬 | 1～ 5 | 998.6 | 1021.6 | 1013.6 | 01 | 7.0 | 4.0 | 05 | 1.5 | 05 | 1.0 | 05* | 3 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | |
| 第2半旬 | 6～10 | 999.8 | 1022.8 | 1012.6 | 09 | 11.5 | 6.0 | 10 | 5.0 | 10 | 4.0 | 10 | 3 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | |
| 第3半旬 | 11～15 | 995.1 | 1018.3 | 1013.3 | 12 | 14.0 | 9.0 | 11 | 2.0 | 11 | 1.0 | 11 | 5 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | |
| 第4半旬 | 16～20 | 994.3 | 1017.6 | 1012.8 | 19 | 20.0 | 7.5 | 20 | 3.5 | 16 | 1.0 | 20* | 5 | 5 | 3 | 0 | 0 | 0 | 0 | 0 | |
| 第5半旬 | 21～25 | 995.0 | 1018.6 | 1009.6 | 22 | 59.5 | 29.5 | 23 | 4.5 | 23 | 2.0 | 23 | 5 | 5 | 5 | 2 | 0 | 0 | 0 | 0 | |
| 第6半旬 | 26～30 | 994.9 | 1018.3 | 1010.7 | 27 | 24.5 | 9.5 | 30 | 3.0 | 26 | 1.5 | 29* | 5 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | |
| 第1半旬 | 1～ 5 | 996.3 | 1019.8 | 1005.0 | 04 | 32.5 | 15.0 | 01 | 4.5 | 04 | 1.5 | 04* | 4 | 3 | 3 | 2 | 0 | 0 | 0 | 0 | |
| 第2半旬 | 6～10 | 995.3 | 1019.5 | 1008.1 | 07 | 70.0 | 25.0 | 09 | 3.0 | 09 | 1.0 | 10* | 5 | 5 | 5 | 4 | 0 | 0 | 0 | 0 | |
| 第3半旬 | 11～15 | 997.7 | 1021.8 | 1014.3 | 12 | 35.5 | 14.0 | 14 | 3.5 | 11 | 1.5 | 14* | 5 | 5 | 5 | 2 | 0 | 0 | 0 | 0 | |
| 第4半旬 | 16～20 | 986.8 | 1010.3 | 1004.0 | 18* | 36.5 | 11.5 | 18 | 3.0 | 16 | 1.0 | 18* | 5 | 5 | 5 | 2 | 0 | 0 | 0 | 0 | |
| 第5半旬 | 21～25 | 993.9 | 1017.6 | 1010.3 | 23 | 18.0 | 7.0 | 23 | 2.5 | 23 | 1.0 | 23* | 5 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | |
| 第6半旬 | 26～31 | 988.1 | 1011.9 | 1001.3 | 28* | 63.5 | 19.0 | 30 | 4.0 | 30 | 1.5 | 30 | 6 | 6 | 6 | 3 | 0 | 0 | 0 | 0 | |