旬ごとの値
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初山別（留萌地方) 1980年（旬ごとの値） 主な要素
| 月 | 旬 | 降水量 | 気温 | 湿度 | 風向・風速 | 日照 時間 (h) |
雪 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 合計 (mm) | 最大 | 平均 | 最高 (℃) | 最低 (℃) |
平均 (％) | 最小 (％) |
平均 風速 (m/s) | 最大風速 | 最大瞬間風速 | 降雪の深さ | 最深 積雪 (cm) |
||||||||||
| 日 (mm) | 1時間 (mm) | 10分間 (mm) |
日平均 (℃) | 日最高 (℃) | 日最低 (℃) |
風速 (m/s) | 風向 | 風速 (m/s) | 風向 | 合計 (cm) | 日合計の最大 (cm) |
||||||||||
| 上旬 | 30 | 11 | 3 | /// | -5.2 | -2.0 | -8.5 | 5.0 | -12.9 | /// | /// | 4.7 | 14 | 西北西 | /// | /// | 12.5 | /// | /// | /// | |
| 中旬 | 21 | 5 | 2 | /// | -5.3 | -2.9 | -8.2 | -0.7 | -12.9 | /// | /// | 3.8 | 12 | 西北西 | /// | /// | 14.3 | /// | /// | /// | |
| 下旬 | 28 | 6 | 2 | /// | -4.6 | -1.2 | -10.0 | 4.3 | -20.8 | /// | /// | 3.2 | 10 | 南南西 | /// | /// | 24.0 | /// | /// | /// | |
| 上旬 | 15 | 5 | 1 | /// | -7.6 | -4.1 | -12.3 | -2.1 | -18.7 | /// | /// | 4.2 | 15 | 西南西 | /// | /// | 38.4 | /// | /// | /// | |
| 中旬 | 26 | 6 | 3 | /// | -8.7 | -5.6 ) | -14.4 ) | -0.2 ) | -20.6 ) | /// | /// | 3.6 | 9 ) | 北西 | /// | /// | 36.4 | /// | /// | /// | |
| 下旬 | 12 | 5 | 2 | /// | -6.1 | -2.5 ) | -12.5 ) | 1.8 ) | -21.8 ) | /// | /// | 3.7 | 11 ] | 西北西 | /// | /// | 48.0 | /// | /// | /// | |
| 上旬 | 23 | 13 | 4 | /// | -1.7 | 1.0 ) | -5.7 ) | 4.2 ) | -9.1 ) | /// | /// | 4.0 | 17 ) | /// | /// | /// | 58.3 | /// | /// | /// | |
| 中旬 | 9 | 3 | 1 ) | /// | -3.4 | -1.7 ) | -6.2 ) | 0.7 ) | -9.7 ) | /// | /// | 5.2 | 14 ) | 北西 | /// | /// | 40.8 | /// | /// | /// | |
| 下旬 | 5 | 1 | 1 | /// | 0.0 | 3.3 ) | -4.5 ) | 9.2 ) | -14.0 ) | /// | /// | 3.8 | 10 ) | 南南西 | /// | /// | 82.1 | /// | /// | /// | |
| 上旬 | 32 | 18 | 5 | /// | 1.5 | 4.1 | -1.4 | 10.6 | -4.2 | /// | /// | 3.1 | 9 | 南南西 | /// | /// | 35.9 | /// | /// | /// | |
| 中旬 | 15 | 6 | 2 | /// | 1.7 | 5.5 | -2.4 | 13.4 | -5.4 | /// | /// | 2.5 | 10 | 南東 | /// | /// | 58.9 | /// | /// | /// | |
| 下旬 | 10 | 4 | 1 | /// | 4.0 | 7.1 ) | 1.0 ) | 10.7 ) | -2.5 ) | /// | /// | 2.8 | 9 ) | 北西 | /// | /// | 68.5 | /// | /// | /// | |
| 上旬 | 10 | 6 | 2 | /// | 5.6 | 9.4 | 2.3 | 13.0 | -2.1 | /// | /// | 2.6 | 7 | 南南西 | /// | /// | 46.1 | /// | /// | /// | |
| 中旬 | 12 | 6 | 2 ) | /// | 10.5 | 14.4 ) | 7.3 ) | 20.4 ) | 4.8 ) | /// | /// | 3.0 | 7 ] | 南南西 | /// | /// | 68.2 | /// | /// | /// | |
| 下旬 | 8 | 7 | 2 | /// | 13.0 | 16.4 ) | 8.3 ) | 21.2 ] | 4.7 ) | /// | /// | 3.6 | 10 | 南西 | /// | /// | 60.0 | /// | /// | /// | |
| 上旬 | 2 | 2 | 1 | /// | 16.8 | 21.3 ) | 13.5 ) | 24.5 ) | 10.5 ] | /// | /// | 3.1 | 8 ) | 南西 | /// | /// | 70.5 | /// | /// | /// | |
| 中旬 | 48 ) | 23 ) | 11 ) | /// | 13.3 | 15.7 | 10.4 | 19.3 | 4.8 | /// | /// | 2.0 | 6 | 東 | /// | /// | 31.0 | /// | /// | /// | |
| 下旬 | 0 | 0 | 0 | /// | 16.0 | 20.8 | 10.9 | 26.3 | 8.0 | /// | /// | 2.1 | 5 | 東北東 | /// | /// | 92.7 | /// | /// | /// | |
| 上旬 | 2 | 1 | 1 | /// | 17.1 | 19.5 | 14.6 | 22.7 | 10.8 | /// | /// | 1.6 | 4 | 北北西 | /// | /// | 49.3 | /// | /// | /// | |
| 中旬 | 0 | 0 | 0 | /// | 17.8 | 21.0 ) | 14.1 ) | 24.6 ) | 10.2 ) | /// | /// | 1.9 | 7 ) | 東 | /// | /// | 58.5 | /// | /// | /// | |
| 下旬 | 68 | 48 | 25 | /// | 18.2 | 22.2 ) | 14.0 ) | 26.8 ] | 10.1 ) | /// | /// | 2.2 | 5 | 東 | /// | /// | 79.8 | /// | /// | /// | |
| 上旬 | 0 | 0 | 0 | /// | 17.9 | 23.7 | 12.5 | 28.0 | 9.6 | /// | /// | 2.2 | 5 | 東 | /// | /// | 116.4 | /// | /// | /// | |
| 中旬 | 14 | 13 | 5 | /// | 17.8 | 20.8 | 14.5 | 23.9 | 7.1 | /// | /// | 1.9 | 7 | 東 | /// | /// | 42.0 | /// | /// | /// | |
| 下旬 | 67 | 47 | 7 | /// | 16.9 | 20.6 ) | 12.9 ) | 22.9 ) | 6.7 ) | /// | /// | 1.9 | 7 | 東 | /// | /// | 52.3 | /// | /// | /// | |
| 上旬 | 32 | 30 | 12 | /// | 17.2 | 20.7 | 13.1 | 22.0 | 9.9 | /// | /// | 2.5 | 7 | 南南西 | /// | /// | 71.8 | /// | /// | /// | |
| 中旬 | 29 | 24 | 7 | /// | 17.7 | 20.8 | 14.6 | 28.9 | 11.0 | /// | /// | 3.7 | 10 | 東南東 | /// | /// | 53.4 | /// | /// | /// | |
| 下旬 | 41 | 14 | 7 | /// | 12.5 | 16.5 | 7.8 | 19.1 | 5.6 | /// | /// | 4.7 | 12 | 西 | /// | /// | 59.3 | /// | /// | /// | |
| 上旬 | 38 | 20 | 10 ) | /// | 13.3 | 17.0 | 9.0 | 19.6 | 4.4 | /// | /// | 4.6 | 12 | 西北西 | /// | /// | 62.7 | /// | /// | /// | |
| 中旬 | 27 | 12 | 9 | /// | 9.3 | 13.6 ) | 4.4 ) | 14.9 ) | 1.7 ) | /// | /// | 3.2 | 8 | 西 | /// | /// | 42.6 | /// | /// | /// | |
| 下旬 | 76 | 17 | 5 | /// | 6.1 | 9.8 | 1.8 | 13.0 | -1.5 | /// | /// | 3.2 | 12 | 北西 | /// | /// | 20.6 | /// | /// | /// | |
| 上旬 | 40 | 11 | 5 | /// | 5.4 | 9.0 ) | 3.0 ) | 13.1 ) | -1.9 ] | /// | /// | 6.0 | 13 | 西北西 | /// | /// | 14.0 | /// | /// | /// | |
| 中旬 | 31 | 20 | 5 | /// | 5.2 | 8.2 | 2.0 | 13.4 | -2.1 | /// | /// | 6.5 | 13 | 西北西 | /// | /// | 12.7 | /// | /// | /// | |
| 下旬 | 0 | 0 | 0 | /// | 3.0 | 6.8 | -0.4 | 10.1 | -2.9 | /// | /// | 2.7 | 8 | 西南西 | /// | /// | 36.5 | /// | /// | /// | |
| 上旬 | 39 | 11 | 3 | /// | 0.9 | 3.4 ) | -1.5 ) | 10.8 ) | -6.3 ] | /// | /// | 4.7 | 14 ) | 西 | /// | /// | 6.4 | /// | /// | /// | |
| 中旬 | 72 | 21 | 3 | /// | -1.9 | 1.0 ) | -5.0 ) | 8.2 ) | -13.3 ) | /// | /// | 4.8 | 13 | 北西 | /// | /// | 7.2 | /// | /// | /// | |
| 下旬 | 10 | 6 | 1 | /// | -3.4 | 0.3 ) | -8.8 ) | 1.9 ) | -16.0 ) | /// | /// | 2.2 | 6 | 東 | /// | /// | 20.4 | /// | /// | /// | |
- 値欄の記号の説明
- 2021年3月2日より、アメダスの日照時間は「推計気象分布（日照時間）」から得る推計値となりましたので、日照計による観測値と単純比較できません。詳しくは要素ごとの値の補足説明をご覧ください。