日ごとの値
 |  |
 |  |
 |  |  |  | |
 |  |  |  |  |
 |  |  |  |  |  |
 |  |
茨城県 1981年12月（日ごとの値） 最低気温（℃）
| 日 | 北茨城 | 大子 | 笠間 | 水戸* | 古河 | 下妻 | 土浦 | 鹿嶋 | 日立 | 龍ケ崎 | 筑波山 | 鉾田 | 常陸大宮 | つくば（館野）* |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 3.0 | 1.9 | 3.5 | 3.8 | 3.9 | 3.9 | 4.3 | 4.9 | 3.3 | 4.1 | 0.0 | 4.0 | 3.2 | 3.8 |
| 2 | -0.5 | -3.2 | -1.1 | -0.7 | 1.7 | 0.4 | -0.1 | 0.3 | -1.2 | -0.8 | -5.2 | -1.7 | -1.5 | -2.1 |
| 3 | -2.8 | -5.8 | -5.4 | -3.3 | -2.6 | -3.4 | -2.6 | -1.2 | -1.9 | -3.7 | -5.1 | -6.0 ] | -5.3 | -5.3 |
| 4 | -1.5 | -6.7 | -4.6 | -3.3 | -3.1 | -3.7 | -3.0 | 0.5 | 1.6 | -3.2 | -1.6 | -4.5 | -5.0 | -5.3 |
| 5 | 0.9 | -4.6 | -2.3 | -1.5 | -1.8 | -2.4 | -1.3 | 0.2 | 2.9 | -2.7 | 1.5 | -3.2 | -2.7 | -3.0 |
| 6 | 1.2 | -3.9 | -2.7 | -0.6 | -0.6 | -0.9 | 3.8 | 3.3 | 2.0 | -1.7 | 0.4 | 0.0 | -3.1 | -2.2 |
| 7 | 1.1 | -3.4 | -2.0 | -0.6 | 1.1 | 1.0 | 1.9 | 4.8 | 3.1 | -0.2 | 0.4 | 0.4 | -2.5 | -1.4 |
| 8 | 1.0 | -4.1 | -2.3 | -1.0 | -0.9 | -1.1 | -0.3 | 2.8 | 1.8 | -1.3 | -1.4 | -1.8 | -2.8 | -2.9 |
| 9 | 0.4 | -4.5 | -2.8 | -2.4 | -2.0 | -3.0 | -1.7 | 1.5 | 0.8 | -2.2 | -0.6 | -3.1 | -4.3 ] | -4.0 |
| 10 | 0.2 | -4.1 | -3.1 | -0.9 | -0.4 | -2.2 | -0.8 | 1.8 | 0.8 | -2.4 | -2.0 | -3.1 | -3.4 | -5.1 |
| 11 | -1.0 | -6.6 | -4.2 | -3.4 | -3.1 | -3.2 | -1.5 | 0.3 | 0.5 | -4.5 | -1.9 | -3.4 | -4.4 | -3.9 |
| 12 | 2.5 | -1.7 | 1.0 | 1.3 | 0.2 | -0.3 | 1.8 | 3.1 | 5.0 | 0.4 | 2.1 | -0.4 | -1.1 | -0.8 |
| 13 | 0.9 | -4.8 | 1.3 | 1.2 | -0.2 | 0.7 | 3.2 | 3.8 | 1.5 | 0.9 | -4.3 | 1.7 | -4.2 | 0.1 |
| 14 | -3.6 | -7.7 | 0.0 | -2.0 | -0.7 | -1.7 | -0.5 | 1.2 | -0.9 | -1.6 | -5.8 | 0.4 | -6.7 | -1.7 |
| 15 | -6.1 | -9.0 | -3.3 | -2.1 | -2.3 | -5.9 | -1.7 | 0.5 | 0.2 | -4.1 | -6.3 | -2.2 | -7.1 | -3.5 |
| 16 | 1.5 | -6.9 | -6.5 | -5.1 | -3.6 | -4.2 | -1.7 | -1.8 | -1.0 | -4.6 | -2.9 | -6.0 | -6.0 | -5.2 |
| 17 | 0.4 | -7.0 | -4.1 | -2.7 | -3.1 | -3.5 | -2.8 | 0.6 | 1.8 | -4.3 | -0.2 | -2.7 | -4.7 | -4.9 |
| 18 | 1.8 | -6.7 | -4.2 | -3.4 | -3.2 | -4.4 | -0.9 | -1.0 | 1.9 | -4.1 | -0.6 | -4.5 | -4.3 | -4.5 |
| 19 | -0.7 | -6.3 | -3.5 | -2.6 | -2.1 | -2.2 | -1.4 | 0.8 | 2.5 | -3.8 | 1.7 | -3.8 | -4.0 | -4.7 |
| 20 | 5.1 | -0.7 | -2.2 | 2.7 | 2.9 | 3.8 | 4.9 | 4.4 | 2.0 | 2.0 | -0.9 | 1.2 | 0.1 | 4.1 |
| 21 | 1.0 | -4.1 | -4.7 | -2.7 | -1.0 | -1.3 | 1.7 | 2.5 | 2.0 | -0.9 | -0.8 | -3.0 | -2.6 | -1.5 |
| 22 | -0.6 | -6.1 | -3.6 | -2.6 | -1.9 | -2.0 | -1.6 | 1.7 | 2.6 | -2.4 | 2.3 | -2.9 | -3.4 | -3.8 |
| 23 | 1.6 | -4.2 | -2.5 | -1.4 | -1.2 | -1.7 | -0.8 | 1.1 | 3.4 | -2.9 | 2.0 | -2.4 | -2.3 | -3.4 |
| 24 | -2.0 | -4.5 | -4.1 | -2.3 | -0.6 | -1.9 | 0.8 | 1.8 | 1.4 | -2.4 | -2.5 | -3.7 | -4.0 | -3.2 |
| 25 | -1.7 | -7.3 | -6.2 | -4.6 | -2.7 | -3.9 | -1.3 | 0.8 | -1.5 | -3.6 | -2.4 | -5.4 | -6.3 | -4.5 |
| 26 | -0.8 | -5.7 | -3.2 | -2.4 | -3.5 | -3.7 | -1.8 | -0.7 | 2.4 | -3.7 | -0.1 | -3.2 | -3.8 | -4.4 |
| 27 | 0.7 | -6.1 | -3.3 | -2.2 | -3.1 | -2.8 | -2.5 | -0.9 | 2.9 | -3.8 | 2.1 | -3.4 | -3.4 | -4.8 |
| 28 | 4.2 | -4.8 | -0.6 | 0.0 | -0.8 | -1.0 | 0.1 | 3.2 | 6.8 | -2.8 | 5.5 | 0.4 | -0.2 | -2.0 |
| 29 | 6.0 | -1.3 | 2.9 | 3.5 | 4.4 | 3.6 | 3.3 | 4.4 | 7.0 | 0.5 | 4.8 | 2.3 | 1.3 | 1.4 |
| 30 | 5.2 | 0.9 | 4.2 | 4.0 | 3.0 | 4.8 | 4.3 | 6.1 | 3.8 | 1.1 | -1.4 | 3.9 | 3.5 | 0.0 |
| 31 | 2.2 | -0.5 | 3.4 | 3.0 | 2.3 | 3.1 | 3.6 | 4.5 | 2.6 | 3.3 | -0.7 | 2.9 | 3.0 | 2.7 |
- 値欄の記号の説明
- アスタリスク(*)が付いた地点は地上気象観測地点(気象台・測候所・特別地域気象観測所等)です。
- アスタリスクの付いていない地点はアメダス地点です。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。