旬ごとの値
 |  |
 |  |
 |  |  |  |  |
 |  |  |  |  |  |
 |  |  |  |
佐久（長野県) 1998年（旬ごとの値） 詳細（気温・蒸気圧・湿度）
| 月 | 旬 | 気温 | 蒸気圧 | 湿度 | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 平均 | 最高 | 最低 | 積算 (℃) |
各階級の日数（平均） | 各階級の日数（最低） | 各階級の日数（最高） | 平均 (hPa) |
平均 (％) |
最小 | ||||||||||||
| 日平均 (℃) | 日最高 (℃) | 日最低 (℃) |
気温 (℃) | 日 時:分 | 気温 (℃) | 日 時:分 | ＜0℃ | ≧25℃ | ＜0℃ | ≧25℃ | ＜0℃ | ≧25℃ | ≧30℃ | ≧35℃ | 湿度 (％) | 日 | |||||
| 上旬 | -0.8 | 5.1 | -6.2 | 10.2 | 03 15:00 | -11.3 | 10 05:00 | 0 | 5 | 0 | 10 | 0 | 1 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | -1.6 | 2.1 | -6.1 | 5.7 | 18 13:00 | -10.1 | 13 07:00 | 0 | 9 | 0 | 9 | 0 | 2 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | -3.7 | 2.2 | -9.3 | 5.7 | 30 15:00 | -14.3 | 26 07:00 | 0 | 10 | 0 | 11 | 0 | 1 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | -2.8 | 2.8 | -8.5 | 5.3 | 06 15:00 | -12.2 | 06 07:00 | 0 | 10 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | -0.5 | 5.9 | -6.2 | 11.5 | 13 14:00 | -11.4 | 11 07:00 | 0 | 6 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 2.5 | 6.8 | -1.0 | 10.6 | 27 16:00 | -5.6 | 22 07:00 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 1.4 | 7.2 | -3.0 | 12.3 | 09 14:00 | -5.0 | 09 05:00 | 0 | 1 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 3.1 | 10.0 | -3.1 | 17.1 | 19 15:00 | -7.1 | 16 06:00 | 0 | 3 | 0 | 7 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 6.2 | 13.8 | -0.4 | 23.3 | 30 15:00 | -4.4 | 23 03:00 | 32 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 6.9 | 12.0 | 2.7 | 20.9 | 10 16:00 | -3.9 | 03 06:00 | 35 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 13.9 | 20.2 | 8.4 | 27.9 | 20 15:00 | 3.6 | 11 04:00 | 139 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 16.3 | 22.6 | 11.2 | 28.1 | 21 15:00 | 8.6 | 29 04:00 | 163 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 16.3 | 22.7 | 10.9 | 29.0 | 07 13:00 | 9.2 | 05 05:00 | 163 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 15.7 | 22.1 | 9.8 | 29.3 | 17 15:00 | 6.1 | 11 05:00 | 148 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 17.2 | 22.9 | 12.2 | 29.0 | 22 14:00 | 9.3 | 21 05:00 | 189 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 15.8 | 20.8 | 11.6 | 27.5 | 01 15:00 | 7.0 | 01 05:00 | 158 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 19.1 | 24.1 | 15.0 | 29.3 | 18 13:00 | 11.8 | 16 05:00 | 191 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 20.3 | 25.3 | 16.5 | 30.1 | 30 16:00 | 13.8 | 22 07:00 | 203 | 0 | 0 | 0 | 0 | 0 | 6 | 1 | 0 | /// | /// | /// | /// | |
| 上旬 | 24.6 | 30.7 | 19.6 | 34.3 | 04 14:00 | 16.9 | 01 05:00 | 246 | 0 | 6 | 0 | 0 | 0 | 9 | 7 | 0 | /// | /// | /// | /// | |
| 中旬 | 20.3 | 25.3 | 16.8 | 29.2 | 18 16:00 | 13.0 | 18 05:00 | 203 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 23.2 | 28.3 | 19.3 | 31.2 | 29 13:00 | 15.6 | 22 05:00 | 255 | 0 | 1 | 0 | 0 | 0 | 10 | 3 | 0 | /// | /// | /// | /// | |
| 上旬 | 23.9 | 29.6 | 20.0 | 31.0 | 05 15:00 | 16.8 | 10 06:00 | 239 | 0 | 1 | 0 | 0 | 0 | 10 | 6 | 0 | /// | /// | /// | /// | |
| 中旬 | 23.5 | 28.4 | 20.2 | 32.0 | 16 14:00 | 18.2 | 13 05:00 | 235 | 0 | 1 | 0 | 0 | 0 | 8 | 4 | 0 | /// | /// | /// | /// | |
| 下旬 | 22.6 | 27.5 | 19.2 | 32.0 | 25 13:00 | 17.8 | 24 06:00 | 249 | 0 | 0 | 0 | 0 | 0 | 9 | 1 | 0 | /// | /// | /// | /// | |
| 上旬 | 20.4 | 25.2 | 17.3 | 29.1 | 09 14:00 | 15.2 | 09 06:00 | 204 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 20.7 | 27.0 | 15.9 | 29.6 | 20 13:00 | 12.5 | 17 05:00 | 207 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 19.4 | 22.7 | 16.8 | 27.9 | 22 11:00 | 14.0 | 27 06:00 | 194 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 16.3 | 22.1 | 12.2 | 26.0 | 02 12:00 | 9.2 | 10 24:00 | 163 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 15.3 | 20.1 | 11.4 | 26.7 | 18 14:00 | 6.8 | 12 06:00 | 153 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 11.0 | 16.1 | 6.8 | 20.7 | 31 14:00 | 2.7 | 26 06:00 | 94 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 9.4 | 15.9 | 3.9 | 21.6 | 04 14:00 | 0.8 | 08 06:00 | 47 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 6.6 | 14.0 | 0.3 | 19.0 | 17 10:00 | -4.3 | 20 07:00 | 12 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 3.6 | 9.7 | -2.1 | 13.0 | 23 13:00 | -4.6 | 27 07:00 | 0 | 0 | 0 | 9 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 2.9 | 7.0 | -0.5 | 14.7 | 01 13:00 | -3.1 | 10 02:00 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 2.4 | 9.8 | -3.3 | 13.6 | 19 15:00 | -7.0 | 13 07:00 | 0 | 1 | 0 | 9 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 0.0 | 6.4 | -5.1 | 11.1 | 29 14:00 | -7.5 | 28 07:00 | 0 | 5 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
- 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。