旬ごとの値
 |  |
 |  |
 |  |  |  |  |
 |  |  |  |  |  |
 |  |  |  |
佐久（長野県) 1981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 | 0 | 0 | 0 | /// | -3.8 | 1.7 | -9.1 | 5.4 | -13.3 | /// | /// | 1.0 | 4 | 北北西 | /// | /// | 71.0 | /// | /// | /// | |
| 中旬 | 1 | 1 | 1 | /// | -5.8 | 0.4 | -11.9 | 2.7 | -14.2 | /// | /// | 0.6 | 3 | 北北西 | /// | /// | 66.6 | /// | /// | /// | |
| 下旬 | 2 | 2 | 1 | /// | -4.6 | 1.1 | -10.6 | 5.2 | -12.7 | /// | /// | 0.9 | 3 | 北北西 | /// | /// | 84.8 | /// | /// | /// | |
| 上旬 | 1 | 1 | 1 | /// | -3.0 | 3.0 | -8.1 | 6.4 | -9.9 | /// | /// | 0.8 | 4 | 西南西 | /// | /// | 78.3 | /// | /// | /// | |
| 中旬 | 35 | 32 | 5 | /// | -1.0 | 5.0 | -6.9 | 10.8 | -16.8 | /// | /// | 0.8 | 4 | 北北西 | /// | /// | 56.7 | /// | /// | /// | |
| 下旬 | 10 | 5 | 2 | /// | -5.9 | -1.0 | -11.3 | 3.2 | -18.3 | /// | /// | 0.7 | 3 | 南西 | /// | /// | 41.7 | /// | /// | /// | |
| 上旬 | 6 | 3 | 2 | /// | -0.7 | 4.5 | -6.0 | 8.2 | -12.2 | /// | /// | 0.9 | 4 | 南西 | /// | /// | 72.3 | /// | /// | /// | |
| 中旬 | 9 | 5 | 2 | /// | 3.6 | 11.1 | -2.5 | 17.7 | -6.1 | /// | /// | 1.1 | 5 | 北北西 | /// | /// | 87.2 | /// | /// | /// | |
| 下旬 | 21 | 9 | 3 | /// | 4.2 | 10.2 | -0.2 | 14.0 | -3.6 | /// | /// | 1.2 | 6 | 南西 | /// | /// | 73.0 | /// | /// | /// | |
| 上旬 | 38 | 17 | 4 | /// | 6.2 | 12.9 | 0.6 | 19.1 | -3.1 | /// | /// | 1.1 | 5 | 北北西 | /// | /// | 60.1 | /// | /// | /// | |
| 中旬 | 21 | 15 | 3 | /// | 7.6 | 13.6 | 1.8 | 20.0 | -1.0 | /// | /// | 1.4 | 5 | 南西 | /// | /// | 70.6 | /// | /// | /// | |
| 下旬 | 5 | 4 | 2 | /// | 11.4 | 20.3 | 2.6 | 24.6 | -1.5 | /// | /// | 1.2 | 4 | 北東 | /// | /// | 97.2 | /// | /// | /// | |
| 上旬 | 36 | 18 | 5 | /// | 12.8 | 20.1 | 6.4 | 27.7 | 1.2 | /// | /// | 1.0 | 3 | 東北東 | /// | /// | 69.6 | /// | /// | /// | |
| 中旬 | 26 | 17 | 6 | /// | 11.6 | 17.1 | 6.8 | 21.3 | 4.0 | /// | /// | 1.0 | 3 | 北 | /// | /// | 64.0 | /// | /// | /// | |
| 下旬 | 9 | 6 | 1 | /// | 13.5 | 20.5 | 6.4 | 27.6 | 0.8 | /// | /// | 1.2 | 4 | 北東 | /// | /// | 101.1 | /// | /// | /// | |
| 上旬 | 1 | 1 | 1 | /// | 15.3 | 22.2 | 8.9 | 28.4 | 3.7 | /// | /// | 1.0 | 3 | 東北東 | /// | /// | 82.7 | /// | /// | /// | |
| 中旬 | 31 | 13 | 5 | /// | 17.8 | 22.2 | 14.8 | 27.6 | 12.3 | /// | /// | 0.8 | 3 | 北東 | /// | /// | 44.7 | /// | /// | /// | |
| 下旬 | 75 | 20 | 10 | /// | 19.1 | 24.8 | 15.2 | 29.3 | 12.5 | /// | /// | 0.9 | 3 | 西 | /// | /// | 52.2 | /// | /// | /// | |
| 上旬 | 88 | 37 | 11 | /// | 20.7 | 25.3 | 16.9 | 31.2 | 15.8 | /// | /// | 0.8 | 3 | 南西 | /// | /// | 53.0 | /// | /// | /// | |
| 中旬 | 78 | 48 | 25 | /// | 23.7 | 29.7 | 19.2 | 30.7 | 17.7 | /// | /// | 0.8 | 3 | 東北東 | /// | /// | 74.8 | /// | /// | /// | |
| 下旬 | 15 | 13 | 11 | /// | 22.6 | 28.1 | 18.2 | 29.1 | 14.9 | /// | /// | 1.1 | 3 | 東北東 | /// | /// | 100.9 | /// | /// | /// | |
| 上旬 | 6 | 4 | 2 | /// | 21.3 | 27.3 | 15.7 | 32.0 | 10.5 | /// | /// | 0.9 | 4 | 西 | /// | /// | 84.5 | /// | /// | /// | |
| 中旬 | 58 | 53 | 12 | /// | 21.5 | 26.4 | 17.9 | 29.0 | 15.5 | /// | /// | 0.9 | 3 | 北東 | /// | /// | 64.2 | /// | /// | /// | |
| 下旬 | 168 | 71 | 25 | /// | 21.7 | 26.5 | 17.8 | 31.8 | 14.5 | /// | /// | 1.0 | 4 | 南 | /// | /// | 66.7 | /// | /// | /// | |
| 上旬 | 56 | 28 | 15 | /// | 19.0 | 23.7 | 15.6 | 29.6 | 12.8 | /// | /// | 1.0 | 4 | 南南西 | /// | /// | 44.0 | /// | /// | /// | |
| 中旬 | 39 | 19 | 4 | /// | 14.8 | 19.5 | 11.0 | 21.9 | 8.2 | /// | /// | 0.7 | 2 | 東北東 | /// | /// | 57.8 | /// | /// | /// | |
| 下旬 | 11 | 6 | 2 | /// | 15.9 | 20.8 | 11.8 | 23.8 | 5.3 | /// | /// | 0.8 | 3 | 北東 | /// | /// | 62.5 | /// | /// | /// | |
| 上旬 | 41 | 17 | 5 | /// | 13.0 | 17.5 | 8.9 | 19.6 | 2.2 | /// | /// | 0.8 | 3 | 北北西 | /// | /// | 47.9 | /// | /// | /// | |
| 中旬 | 8 | 8 | 4 | /// | 9.7 | 16.4 | 3.5 | 18.2 | 0.2 | /// | /// | 0.8 | 3 | 西 | /// | /// | 76.1 | /// | /// | /// | |
| 下旬 | 45 | 36 | 11 | /// | 8.7 | 14.1 | 3.8 | 18.2 | 0.2 | /// | /// | 1.0 | 4 | 北東 | /// | /// | 62.2 | /// | /// | /// | |
| 上旬 | 37 | 18 | 4 | /// | 5.4 | 10.5 | 1.5 | 15.8 | -4.9 | /// | /// | 0.8 | 5 | 南西 | /// | /// | 47.7 | /// | /// | /// | |
| 中旬 | 0 | 0 | 0 | /// | 3.5 | 11.2 | -2.9 | 15.7 | -6.8 | /// | /// | 0.7 | 3 | 北北西 | /// | /// | 79.6 | /// | /// | /// | |
| 下旬 | 12 | 11 | 3 | /// | 1.9 | 6.0 | -2.6 | 10.8 | -7.0 | /// | /// | 0.9 | 3 | 西 | /// | /// | 45.6 | /// | /// | /// | |
| 上旬 | 0 | 0 | 0 | /// | -0.4 | 5.3 | -5.4 | 9.7 | -9.5 | /// | /// | 0.8 | 3 | 西北西 | /// | /// | 75.1 | /// | /// | /// | |
| 中旬 | 3 | 3 | 2 | /// | -1.4 | 5.0 | -7.5 | 9.0 | -10.6 | /// | /// | 0.9 | 5 | 南 | /// | /// | 73.0 | /// | /// | /// | |
| 下旬 | 0 | 0 | 0 | /// | 0.8 | 8.2 | -5.7 | 12.3 | -8.2 | /// | /// | 0.7 | 3 | 西北西 | /// | /// | 77.7 | /// | /// | /// | |
- 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。