旬ごとの値
 |  |
 |  |
 |  |  |  |  |
 |  |  |  |  |  |
 |  |  |  |
茂原（千葉県) 1999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 | 4.0 | 9.5 | -1.3 | 13.0 | 07 16:00 | -5.1 | 10 06:00 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 5.4 | 11.1 | -0.4 | 16.1 | 20 13:00 | -3.2 | 11 07:00 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 6.2 | 11.5 | 1.5 | 17.1 | 28 15:00 | -1.6 | 31 06:00 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 4.5 | 10.3 | -0.8 | 14.4 | 08 14:00 | -3.2 | 05 03:00 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 5.4 | 11.0 | 0.5 | 19.1 | 18 12:00 | -3.5 | 15 05:00 | 11 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 6.5 | 12.0 | 1.0 | 16.8 | 27 08:00 | -2.2 | 22 07:00 | 12 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 9.0 | 13.7 | 3.8 | 18.6 | 05 21:00 | 1.3 | 02 07:00 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 10.4 | 15.4 | 5.6 | 20.0 | 18 13:00 | 1.5 | 13 06:00 | 80 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 8.7 | 12.2 | 5.3 | 18.5 | 24 14:00 | 1.6 | 23 02:00 | 49 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 11.4 | 16.0 | 6.2 | 21.6 | 02 13:00 | 0.1 | 09 04:00 | 78 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 15.4 | 18.8 | 12.3 | 22.4 | 13 14:00 | 8.8 | 15 05:00 | 154 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 15.4 | 19.3 | 12.1 | 22.9 | 22 15:00 | 6.3 | 30 05:00 | 154 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 18.4 | 22.8 | 13.6 | 25.6 | 09 15:00 | 6.7 | 01 05:00 | 184 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 18.6 | 22.5 | 14.8 | 27.2 | 13 13:00 | 11.7 | 18 05:00 | 186 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 20.6 | 25.0 | 16.4 | 30.8 | 25 15:00 | 13.1 | 30 05:00 | 227 | 0 | 0 | 0 | 0 | 0 | 5 | 1 | 0 | /// | /// | /// | /// | |
| 上旬 | 21.6 | 26.4 | 17.3 | 28.5 | 02 14:00 | 14.2 | 02 05:00 | 216 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 21.7 | 25.6 | 17.9 | 30.8 | 16 13:00 | 15.1 | 18 23:00 | 217 | 0 | 1 | 0 | 0 | 0 | 7 | 2 | 0 | /// | /// | /// | /// | |
| 下旬 | 22.4 | 25.2 | 19.6 | 28.6 | 24 12:00 | 17.0 | 21 01:00 | 224 | 0 | 1 | 0 | 0 | 0 | 6 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 22.1 | 25.7 | 19.0 | 30.3 | 04 14:00 | 16.1 | 07 05:00 | 221 | 0 | 2 | 0 | 0 | 0 | 4 | 1 | 0 | /// | /// | /// | /// | |
| 中旬 | 25.2 | 28.6 | 22.8 | 32.1 | 16 14:00 | 19.2 | 11 01:00 | 252 | 0 | 7 | 0 | 0 | 0 | 9 | 3 | 0 | /// | /// | /// | /// | |
| 下旬 | 28.6 | 33.2 | 24.8 | 34.3 | 26 12:00 | 23.6 | 31 05:00 | 315 | 0 | 11 | 0 | 5 | 0 | 11 | 11 | 0 | /// | /// | /// | /// | |
| 上旬 | 27.8 | 31.8 | 24.6 | 33.2 | 01 13:00 | 24.1 | 08 05:00 | 278 | 0 | 10 | 0 | 1 | 0 | 10 | 10 | 0 | /// | /// | /// | /// | |
| 中旬 | 28.0 | 32.2 | 24.8 | 34.5 | 18 14:00 | 24.1 | 11 05:00 | 280 | 0 | 10 | 0 | 4 | 0 | 10 | 9 | 0 | /// | /// | /// | /// | |
| 下旬 | 27.1 | 31.2 | 23.8 | 33.8 | 23 14:00 | 22.5 | 26 04:00 | 298 | 0 | 11 | 0 | 1 | 0 | 11 | 7 | 0 | /// | /// | /// | /// | |
| 上旬 | 26.4 | 30.5 | 22.9 | 33.4 | 01 12:00 | 19.5 | 05 06:00 | 264 | 0 | 7 | 0 | 1 | 0 | 10 | 6 | 0 | /// | /// | /// | /// | |
| 中旬 | 26.3 | 29.9 | 23.3 | 34.6 | 14 13:00 | 21.0 | 17 06:00 | 263 | 0 | 7 | 0 | 3 | 0 | 9 | 6 | 0 | /// | /// | /// | /// | |
| 下旬 | 23.8 | 27.8 | 20.3 | 32.5 | 25 13:00 | 17.8 | 23 03:00 | 238 | 0 | 2 | 0 | 0 | 0 | 8 | 1 | 0 | /// | /// | /// | /// | |
| 上旬 | 21.2 | 25.2 | 17.6 | 28.8 | 02 13:00 | 13.7 | 10 06:00 | 212 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 18.3 | 22.9 | 15.1 | 30.7 | 12 12:00 | 11.2 | 19 05:00 | 183 | 0 | 0 | 0 | 0 | 0 | 4 | 1 | 0 | /// | /// | /// | /// | |
| 下旬 | 17.0 | 22.2 | 12.3 | 26.5 | 28 14:00 | 7.7 | 25 06:00 | 187 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 14.8 | 19.0 | 10.8 | 25.2 | 01 16:00 | 7.1 | 10 23:00 | 148 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 13.5 | 18.6 | 8.7 | 23.4 | 13 13:00 | 5.4 | 17 04:00 | 125 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 11.7 | 16.8 | 7.8 | 20.1 | 25 14:00 | 5.1 | 29 01:00 | 99 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 9.1 | 13.5 | 4.2 | 17.7 | 09 14:00 | 0.7 | 08 07:00 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 7.2 | 12.4 | 1.8 | 16.6 | 11 13:00 | -0.4 | 13 07:00 | 22 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 6.3 | 12.4 | 0.6 | 16.0 | 29 15:00 | -3.0 | 23 07:00 | 10 | 0 | 0 | 6 | 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。