旬ごとの値
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留萌（留萌地方) 1991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 | 998.5 | 1002.0 | -- | 56.0 | 9.5 | 06 | 3.5 | 06 | 2.0 | 05 | 10 | 10 | 9 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1011.7 | 1015.2 | -- | 33.5 | 20.0 | 16 | 5.5 | 16 | 1.5 | 16 | 8 | 7 | 4 | 1 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1013.0 | 1016.5 | -- | 26.5 | 14.0 | 29 | 2.5 | 29 | 1.0 | 29 | 11 | 8 | 5 | 1 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1006.7 | 1010.3 | -- | 52.5 | 11.5 | 05* | 4.5 | 02 | 1.5 | 05 | 9 | 9 | 8 | 2 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1010.5 | 1014.1 | -- | 28.0 | 9.0 | 13 | 2.5 | 13 | 1.0 | 13* | 7 | 6 | 5 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1007.4 | 1011.0 | -- | 23.0 | 7.0 | 22 | 2.5 | 23* | 1.0 | 22 | 8 | 6 | 5 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1009.1 | 1012.6 | -- | 27.5 | 9.5 | 07 | 3.0 | 07 | 1.0 | 07 | 10 | 9 | 7 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1010.1 | 1013.6 | -- | 36.0 | 14.5 | 20 | 3.5 | 20 | 1.5 | 20* | 10 | 9 | 8 | 1 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1016.3 | 1019.8 | -- | 4.0 | 1.5 | 31 | 1.0 | 31 | 0.5 | 31* | 8 | 4 | 3 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1015.2 | 1018.7 | -- | 18.0 | 8.0 | 09 | 3.5 | 09 | 1.0 | 09* | 7 | 5 | 4 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1003.5 | 1006.9 | -- | 14.0 | 5.5 | 20 | 2.5 | 20 | 1.0 | 20 | 8 | 6 | 6 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1012.2 | 1015.6 | -- | 44.5 | 22.5 | 29 | 4.5 | 30 | 1.0 | 30* | 7 | 4 | 4 | 2 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1006.9 | 1010.3 | -- | 21.5 | 11.0 | 08 | 3.0 | 08 | 1.0 | 08 | 5 | 4 | 4 | 1 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1003.7 | 1007.1 | -- | 23.5 | 10.5 | 16 | 5.5 | 16 | 2.0 | 16 | 6 | 4 | 4 | 1 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1010.4 | 1013.7 | -- | 0.0 | 0.0 | 31* | 0.0 | 31* | 0.0 | 31* | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1006.5 | 1009.8 | -- | 38.0 | 16.0 | 10 | 6.0 | 05 | 5.0 | 03 | 8 | 5 | 5 | 2 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1000.1 | 1003.4 | -- | 46.0 | 38.0 | 12 | 12.0 | 12 | 9.0 | 12 | 9 | 5 | 3 | 1 | 1 | 0 | 0 | 0 | ||
| 下旬 | 1004.6 | 1007.8 | -- | 0.0 | 0.0 | 29* | 0.0 | 29* | 0.0 | 29* | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1003.4 | 1006.6 | -- | 0.0 | 0.0 | 08* | 0.0 | 08* | 0.0 | 08* | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1007.6 | 1010.9 | -- | 6.5 | 1.5 | 18* | 1.0 | 18* | 1.0 | 14 | 8 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 999.4 | 1002.7 | -- | 63.5 | 26.0 | 27 | 8.5 | 31 | 2.5 | 23 | 9 | 8 | 7 | 3 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1005.5 | 1008.7 | -- | 0.0 | 0.0 | 08* | 0.0 | 08* | 0.0 | 08* | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1008.8 | 1012.0 | -- | 1.5 | 1.5 | 12 | 1.5 | 12 | 0.5 | 12 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1004.5 | 1007.8 | -- | 36.0 | 18.0 | 21 | 11.5 | 31 | 5.0 | 31 | 7 | 3 | 3 | 2 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1007.5 | 1010.8 | -- | 138.5 | 106.0 | 06 | 17.5 | 06 | 7.0 | 06 | 6 | 3 | 3 | 2 | 1 | 1 | 1 | 1 | ||
| 中旬 | 1010.6 | 1013.9 | -- | 48.5 | 41.0 | 11 | 19.5 | 11 | 9.0 | 11 | 8 | 6 | 5 | 1 | 1 | 0 | 0 | 0 | ||
| 下旬 | 1010.1 | 1013.4 | 975.5 | 28 | 115.5 | 39.5 | 28 | 30.5 | 24 | 9.0 | 24 | 9 | 8 | 7 | 4 | 2 | 0 | 0 | 0 | |
| 上旬 | 1011.3 | 1014.6 | -- | 20.5 | 11.0 | 05 | 5.0 | 03 | 3.5 | 05 | 6 | 3 | 2 | 1 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1006.1 | 1009.5 | -- | 55.0 | 17.5 | 15 | 11.0 | 18 | 6.0 | 18* | 8 | 6 | 5 | 2 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1011.1 | 1014.5 | -- | 36.5 | 12.0 | 21 | 3.5 | 30* | 2.0 | 30* | 11 | 9 | 7 | 2 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1013.1 | 1016.6 | -- | 34.0 | 8.0 | 05* | 1.5 | 10* | 1.0 | 10 | 9 | 7 | 6 | 0 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1010.1 | 1013.6 | -- | 39.0 | 10.5 | 20 | 3.0 | 17 | 1.0 | 20* | 10 | 8 | 8 | 1 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1014.9 | 1018.3 | -- | 25.5 | 7.5 | 22 | 2.0 | 23* | 1.0 | 24* | 8 | 6 | 5 | 0 | 0 | 0 | 0 | 0 | ||
| 上旬 | 1014.9 | 1018.4 | -- | 28.0 | 12.5 | 07 | 2.5 | 07* | 1.0 | 07* | 10 | 6 | 6 | 1 | 0 | 0 | 0 | 0 | ||
| 中旬 | 1015.3 | 1018.8 | -- | 36.0 | 15.0 | 17 | 2.0 | 17 | 1.0 | 17 | 10 | 7 | 7 | 1 | 0 | 0 | 0 | 0 | ||
| 下旬 | 1010.4 | 1013.9 | -- | 48.5 | 13.0 | 28 | 3.0 | 25 | 1.5 | 25 | 11 | 9 | 8 | 2 | 0 | 0 | 0 | 0 | ||