旬ごとの値
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古河（茨城県) 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 | 2.6 | 8.4 | -2.6 | 12.2 | 07 15:00 | -5.3 | 09 07:00 | 0 | 0 | 0 | 9 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 4.1 | 10.0 | -1.5 | 16.9 | 20 15:00 | -3.0 | 18 07:00 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 4.8 | 10.7 | 0.0 | 15.9 | 28 14:00 | -4.0 | 22 06:00 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 3.5 | 9.7 | -2.0 | 13.1 | 08 14:00 | -4.6 | 07 07:00 | 0 | 0 | 0 | 9 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 3.6 | 9.7 | -1.6 | 17.2 | 18 13:00 | -3.8 | 15 06:00 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 5.2 | 11.1 | -0.2 | 18.4 | 27 15:00 | -2.2 | 21 07:00 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 7.4 | 12.9 | 1.8 | 18.4 | 05 16:00 | -2.1 | 01 06:00 | 22 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 9.6 | 14.4 | 4.9 | 21.4 | 18 13:00 | -0.6 | 13 06:00 | 76 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 8.0 | 12.6 | 4.0 | 17.9 | 25 15:00 | 1.0 | 30 04:00 | 47 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 10.2 | 15.7 | 5.2 | 23.8 | 02 13:00 | 0.5 | 09 06:00 | 38 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 15.1 | 20.3 | 10.7 | 25.8 | 13 13:00 | 5.9 | 15 05:00 | 151 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 15.5 | 19.8 | 11.4 | 23.8 | 27 16:00 | 3.9 | 30 05:00 | 155 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 17.9 | 23.5 | 12.3 | 26.5 | 07 15:00 | 6.2 | 01 05:00 | 179 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 18.1 | 22.8 | 14.4 | 28.5 | 13 15:00 | 13.0 | 18 05:00 | 181 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 20.3 | 25.6 | 15.3 | 29.7 | 25 14:00 | 13.5 | 21 05:00 | 223 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 22.6 | 28.2 | 17.7 | 31.5 | 06 14:00 | 14.0 | 01 05:00 | 226 | 0 | 0 | 0 | 0 | 0 | 9 | 2 | 0 | /// | /// | /// | /// | |
| 中旬 | 21.8 | 26.6 | 18.0 | 32.9 | 16 13:00 | 14.9 | 18 21:00 | 218 | 0 | 2 | 0 | 0 | 0 | 7 | 5 | 0 | /// | /// | /// | /// | |
| 下旬 | 21.9 | 25.3 | 19.1 | 28.0 | 26 14:00 | 16.8 | 21 05:00 | 219 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 22.4 | 26.8 | 18.8 | 31.4 | 04 15:00 | 15.6 | 08 05:00 | 224 | 0 | 2 | 0 | 0 | 0 | 6 | 1 | 0 | /// | /// | /// | /// | |
| 中旬 | 25.2 | 28.5 | 22.6 | 32.0 | 16 14:00 | 20.0 | 11 02:00 | 252 | 0 | 5 | 0 | 0 | 0 | 9 | 3 | 0 | /// | /// | /// | /// | |
| 下旬 | 28.6 | 34.2 | 24.2 | 35.6 | 30 14:00 | 22.9 | 23 05:00 | 315 | 0 | 11 | 0 | 3 | 0 | 11 | 11 | 4 | /// | /// | /// | /// | |
| 上旬 | 28.7 | 33.4 | 24.8 | 35.3 | 01 15:00 | 23.3 | 01 05:00 | 287 | 0 | 10 | 0 | 5 | 0 | 10 | 9 | 1 | /// | /// | /// | /// | |
| 中旬 | 28.0 | 32.7 | 24.7 | 35.5 | 18 14:00 | 23.8 | 14 12:00 | 280 | 0 | 9 | 0 | 4 | 0 | 10 | 9 | 2 | /// | /// | /// | /// | |
| 下旬 | 27.1 | 31.7 | 23.8 | 35.5 | 23 14:00 | 22.8 | 30 06:00 | 298 | 0 | 11 | 0 | 0 | 0 | 11 | 7 | 1 | /// | /// | /// | /// | |
| 上旬 | 26.2 | 31.4 | 22.6 | 36.9 | 01 14:00 | 20.0 | 05 05:00 | 262 | 0 | 8 | 0 | 0 | 0 | 10 | 6 | 1 | /// | /// | /// | /// | |
| 中旬 | 25.7 | 29.5 | 22.4 | 34.7 | 12 14:00 | 20.6 | 15 20:00 | 257 | 0 | 6 | 0 | 0 | 0 | 7 | 6 | 0 | /// | /// | /// | /// | |
| 下旬 | 23.1 | 27.8 | 18.9 | 35.1 | 25 15:00 | 17.2 | 23 04:00 | 231 | 0 | 2 | 0 | 0 | 0 | 8 | 3 | 1 | /// | /// | /// | /// | |
| 上旬 | 20.0 | 23.7 | 16.7 | 28.4 | 02 15:00 | 13.2 | 10 06:00 | 200 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 17.2 | 21.5 | 13.5 | 28.7 | 14 13:00 | 9.5 | 18 06:00 | 172 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 15.5 | 20.8 | 10.2 | 24.0 | 30 14:00 | 5.4 | 24 05:00 | 170 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 13.4 | 18.0 | 9.5 | 20.0 | 09 14:00 | 6.3 | 05 06:00 | 134 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 11.3 | 16.8 | 6.3 | 22.4 | 13 13:00 | 3.7 | 19 06:00 | 84 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 10.0 | 15.7 | 5.5 | 18.6 | 21 14:00 | 2.4 | 30 07:00 | 75 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 上旬 | 7.5 | 12.0 | 2.6 | 15.3 | 05 14:00 | -0.8 | 04 05:00 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 中旬 | 5.3 | 11.5 | -0.3 | 15.8 | 11 13:00 | -2.2 | 13 07:00 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
| 下旬 | 4.3 | 11.0 | -1.4 | 13.6 | 25 15:00 | -3.2 | 24 06:00 | 0 | 0 | 0 | 9 | 0 | 0 | 0 | 0 | 0 | /// | /// | /// | /// | |
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