旬ごとの値
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初山別（留萌地方) 1977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 | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | |
| 中旬 | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | |
| 下旬 | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | |
| 上旬 | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | |
| 中旬 | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | |
| 下旬 | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | |
| 上旬 | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | |
| 中旬 | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | |
| 下旬 | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | |
| 上旬 | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | |
| 中旬 | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | |
| 下旬 | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | |
| 上旬 | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | |
| 中旬 | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | |
| 下旬 | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | |
| 上旬 | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | |
| 中旬 | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | |
| 下旬 | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | |
| 上旬 | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | |
| 中旬 | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | |
| 下旬 | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | |
| 上旬 | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | |
| 中旬 | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | |
| 下旬 | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | |
| 上旬 | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | |
| 中旬 | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | |
| 下旬 | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | |
| 上旬 | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | |
| 中旬 | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | |
| 下旬 | /// | /// | /// | /// | 9.0 ] | 14.6 ] | 2.5 ] | 16.7 ] | 0.9 ] | /// | /// | 3.9 ] | 9 ] | 西 | /// | /// | 14.1 ] | /// | /// | /// | |
| 上旬 | 3 ] | 2 ] | 1 ] | /// | 5.9 ) | 8.4 ) | 3.0 ) | 11.2 ) | -2.5 ] | /// | /// | 3.2 ) | 13 ] | 西 | /// | /// | 19.4 | /// | /// | /// | |
| 中旬 | 62 ) | 32 ) | 10 ) | /// | 5.4 ) | 7.5 ] | 2.8 ] | 10.3 ] | -1.8 ] | /// | /// | 4.0 ) | 8 ) | 西 | /// | /// | 17.4 ) | /// | /// | /// | |
| 下旬 | 73 | 26 | 5 | /// | 4.2 | 7.5 | 0.7 | 12.9 | -1.5 | /// | /// | 3.8 | 10 | 南西 | /// | /// | 17.1 | /// | /// | /// | |
| 上旬 | 26 | 13 | 4 | /// | -1.6 | 1.1 | -5.8 | 4.2 | -11.0 | /// | /// | 4.0 | 10 | 西北西 | /// | /// | 20.2 | /// | /// | /// | |
| 中旬 | 59 | 19 | 5 | /// | 0.3 | 2.5 ) | -3.0 ) | 8.7 ) | -9.0 ) | /// | /// | 3.4 | 10 | 北西 | /// | /// | 11.4 | /// | /// | /// | |
| 下旬 | 54 | 18 | 3 | /// | -3.5 | -0.7 | -6.7 | 5.3 | -14.0 | /// | /// | 4.0 | 15 | 西北西 | /// | /// | 21.1 | /// | /// | /// | |
- 値欄の記号の説明
- 赤線は、観測場所を移転した場合、観測装置を変更した場合または観測の時間間隔を変更した場合に、その前後のデータが均質でないことを示します。
赤実線の前後では観測データや観測史上1位などの極値を比較できませんが、赤点線の前後では極値を比較できます。 - 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。