半旬ごとの値
 |  |
 |  |
 |  |  |  |  |
 |  |  |  |  |  |
 |  |  |  |  |
銚子（千葉県) 1931年（半旬ごとの値） 詳細（気温・蒸気圧・湿度）
| 月 | 半旬 | 日～日 | 気温(℃) | 蒸気圧 (hPa) | 湿度(％) | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 日平均 | 最高気温 | 最低気温 | 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 | 平均 | 最高 | 最低 | 平均 | 最低 | 最高 | ＜0℃ | ≧25℃ | ＜0℃ | ≧25℃ | ＜0℃ | ≧25℃ | ≧30℃ | ≧35℃ | 平均 | 平均 | 最小 | ||||||||
| 値 | 日 | 値 | 日 | 値 | 日 | 値 | 日 | 値 | 日 | ||||||||||||||||
| 第1半旬 | 1～ 5 | 8.2 | 12.2 | 15.0 | 04 | 8.6 | 01 | 3.4 | 0.0 | 01 | 6.2 | 05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 75 | × | × | ||
| 第2半旬 | 6～10 | 6.2 | 9.2 | 11.2 | 09 | 6.9 | 08 | 3.3 | -1.3 | 10 | 5.7 | 06 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 80 | × | × | ||
| 第3半旬 | 11～15 | 1.6 | 6.6 | 8.6 | 13 | 1.6 | 11 | -2.1 | -4.0 | 11 | 0.0 | 14 | 1 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 51 | × | × | ||
| 第4半旬 | 16～20 | 6.0 | 10.4 | 11.7 | 17 | 8.7 | 16 | 1.6 | -0.4 | 17 | 5.6 | 18 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 66 | × | × | ||
| 第5半旬 | 21～25 | 5.1 | 8.7 | 11.5 | 23 | 4.6 | 21 | 1.4 | -1.3 | 22 | 3.5 | 24 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 67 | × | × | ||
| 第6半旬 | 26～31 | 5.0 | 9.0 | 11.5 | 30 | 7.4 | 27 | 1.3 | -2.9 | 28 | 5.4 | 31 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 72 | × | × | ||
| 第1半旬 | 1～ 5 | 8.7 | 11.3 | 14.4 | 02 | 9.9 | 04 | 5.4 | 2.4 | 01 | 7.5 | 03 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 79 | × | × | ||
| 第2半旬 | 6～10 | 2.9 | 6.3 | 10.4 | 07 | 3.8 | 08 | -0.3 | -2.7 | 09 | 4.5 | 06 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 66 | × | × | ||
| 第3半旬 | 11～15 | 4.4 | 6.7 | 9.5 | 14* | 3.3 | 12 | 1.2 | -0.7 | 12* | 3.8 | 14 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 69 | × | × | ||
| 第4半旬 | 16～20 | 5.8 | 8.2 | 10.4 | 20* | 4.5 | 18 | 2.4 | -1.1 | 19 | 5.9 | 16 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 75 | × | × | ||
| 第5半旬 | 21～25 | 4.4 | 7.6 | 9.6 | 24 | 5.6 | 22 | 1.3 | -2.3 | 25 | 4.9 | 21 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 72 | × | × | ||
| 第6半旬 | 26～28 | 6.2 | 9.3 | 10.2 | 26 | 8.1 | 28 | 2.5 | 0.7 | 26 | 3.4 | 28* | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 69 | × | × | ||
| 第1半旬 | 1～ 5 | 5.7 | 9.5 | 14.1 | 04 | 6.4 | 02 | 1.8 | -2.3 | 02 | 6.6 | 04 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 59 | × | × | ||
| 第2半旬 | 6～10 | 9.8 | 13.1 | 17.6 | 07 | 10.4 | 08 | 5.2 | 1.3 | 08 | 6.9 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 71 | × | × | ||
| 第3半旬 | 11～15 | 8.2 | 12.1 | 13.9 | 13 | 9.5 | 15 | 3.8 | 1.0 | 14 | 6.5 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 56 | × | × | ||
| 第4半旬 | 16～20 | 10.1 | 14.1 | 17.5 | 17 | 10.3 | 19 | 5.4 | 4.5 | 19 | 7.3 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 69 | × | × | ||
| 第5半旬 | 21～25 | 10.4 | 15.1 | 18.5 | 23 | 11.9 | 21 | 5.9 | 1.3 | 25 | 13.0 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 62 | × | × | ||
| 第6半旬 | 26～31 | 11.8 | 14.8 | 17.6 | 26 | 11.1 | 28 | 8.4 | 4.3 | 29 | 10.2 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 64 | × | × | ||
| 第1半旬 | 1～ 5 | 10.7 | 13.5 | 16.5 | 05 | 10.4 | 03 | 7.3 | 5.8 | 02 | 8.7 | 01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 68 | × | × | ||
| 第2半旬 | 6～10 | 9.2 | 13.8 | 16.5 | 10 | 11.0 | 09 | 3.7 | 2.4 | 09* | 5.0 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 53 | × | × | ||
| 第3半旬 | 11～15 | 11.1 | 14.7 | 16.4 | 15 | 11.2 | 13 | 8.7 | 5.5 | 12 | 11.1 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 76 | × | × | ||
| 第4半旬 | 16～20 | 12.7 | 15.8 | 19.4 | 16 | 12.5 | 19 | 9.5 | 6.3 | 19 | 13.5 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 81 | × | × | ||
| 第5半旬 | 21～25 | 14.7 | 17.0 | 19.4 | 22 | 14.0 | 23 | 10.7 | 9.4 | 21 | 11.9 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 78 | × | × | ||
| 第6半旬 | 26～30 | 16.0 | 19.1 | 20.3 | 27 | 17.5 | 29 | 12.9 | 10.1 | 26 | 15.0 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 82 | × | × | ||
| 第1半旬 | 1～ 5 | 13.9 | 17.3 | 21.0 | 05 | 15.0 | 01 | 10.0 | 7.1 | 03 | 12.5 | 05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 66 | × | × | ||
| 第2半旬 | 6～10 | 14.5 | 16.7 | 20.7 | 06 | 12.9 | 09 | 12.6 | 10.9 | 09 | 14.2 | 07 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 78 | × | × | ||
| 第3半旬 | 11～15 | 14.3 | 16.3 | 20.4 | 15 | 13.8 | 12 | 12.4 | 11.8 | 12 | 13.0 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 85 | × | × | ||
| 第4半旬 | 16～20 | 16.7 | 19.7 | 22.4 | 17 | 16.0 | 19 | 14.1 | 12.0 | 19 | 16.2 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 76 | × | × | ||
| 第5半旬 | 21～25 | 17.6 | 20.5 | 23.0 | 21 | 18.4 | 25 | 14.5 | 12.3 | 24 | 16.5 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 72 | × | × | ||
| 第6半旬 | 26～31 | 18.2 | 21.1 | 23.0 | 29 | 16.5 | 26 | 14.9 | 12.4 | 27 | 18.1 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 79 | × | × | ||
| 第1半旬 | 1～ 5 | 19.1 | 22.5 | 24.3 | 05 | 20.5 | 03 | 15.9 | 14.4 | 01 | 17.2 | 05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 81 | × | × | ||
| 第2半旬 | 6～10 | 18.4 | 21.2 | 24.0 | 07 | 18.0 | 09 | 15.7 | 14.3 | 10 | 17.5 | 06 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 89 | × | × | ||
| 第3半旬 | 11～15 | 19.0 | 22.5 | 23.5 | 13 | 21.0 | 12 | 16.0 | 15.2 | 13 | 16.5 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 89 | × | × | ||
| 第4半旬 | 16～20 | 16.9 | 18.8 | 20.4 | 20 | 18.1 | 17 | 15.1 | 14.6 | 17 | 16.2 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 93 | × | × | ||
| 第5半旬 | 21～25 | 19.4 | 22.5 | 24.5 | 24 | 19.6 | 22 | 16.3 | 15.5 | 23 | 17.8 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 90 | × | × | ||
| 第6半旬 | 26～30 | 20.9 | 23.7 | 26.3 | 28 | 20.2 | 26 | 18.2 | 16.2 | 27* | 20.2 | 28 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 91 | × | × | ||
| 第1半旬 | 1～ 5 | 21.5 | 24.7 | 28.0 | 04 | 21.0 | 05 | 18.8 | 17.8 | 02 | 19.4 | 03 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 90 | × | × | ||
| 第2半旬 | 6～10 | 19.7 | 21.3 | 22.9 | 06 | 19.5 | 10 | 18.2 | 17.6 | 10 | 18.5 | 08* | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 97 | × | × | ||
| 第3半旬 | 11～15 | 18.1 | 19.2 | 19.6 | 12 | 18.8 | 11 | 16.9 | 16.6 | 12 | 17.0 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 99 | × | × | ||
| 第4半旬 | 16～20 | 21.2 | 24.4 | 29.7 | 19 | 21.7 | 18 | 18.4 | 17.5 | 16 | 19.5 | 19 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 95 | × | × | ||
| 第5半旬 | 21～25 | 19.4 | 21.0 | 22.9 | 25 | 18.8 | 22 | 17.9 | 16.9 | 22 | 19.4 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 94 | × | × | ||
| 第6半旬 | 26～31 | 22.2 | 25.2 | 28.4 | 31 | 22.6 | 29 | 19.5 | 18.5 | 30* | 21.1 | 26 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 90 | × | × | ||
| 第1半旬 | 1～ 5 | 24.4 | 27.8 | 28.2 | 01 | 27.3 | 04 | 21.2 | 20.0 | 03 | 23.2 | 05 | 0 | 1 | 0 | 0 | 0 | 5 | 0 | 0 | 85 | × | × | ||
| 第2半旬 | 6～10 | 26.0 | 29.4 | 30.1 | 08 | 28.5 | 06 | 23.1 | 22.5 | 10 | 24.0 | 09 | 0 | 5 | 0 | 0 | 0 | 5 | 1 | 0 | 88 | × | × | ||
| 第3半旬 | 11～15 | 24.1 | 27.3 | 30.2 | 15 | 24.4 | 13 | 21.3 | 20.3 | 14 | 23.1 | 15 | 0 | 1 | 0 | 0 | 0 | 4 | 1 | 0 | 91 | × | × | ||
| 第4半旬 | 16～20 | 26.6 | 30.4 | 30.7 | 17 | 30.0 | 19 | 23.5 | 22.7 | 16 | 24.5 | 17 | 0 | 5 | 0 | 0 | 0 | 5 | 5 | 0 | 85 | × | × | ||
| 第5半旬 | 21～25 | 25.6 | 29.3 | 31.4 | 22 | 23.2 | 25 | 22.8 | 20.7 | 25 | 23.7 | 23 | 0 | 4 | 0 | 0 | 0 | 4 | 4 | 0 | 87 | × | × | ||
| 第6半旬 | 26～31 | 23.7 | 26.4 | 29.5 | 27 | 22.9 | 31 | 21.5 | 20.2 | 26 | 23.3 | 28 | 0 | 2 | 0 | 0 | 0 | 3 | 0 | 0 | 86 | × | × | ||
| 第1半旬 | 1～ 5 | 23.4 | 25.8 | 28.4 | 05 | 24.4 | 03 | 21.4 | 20.0 | 03 | 23.2 | 05 | 0 | 1 | 0 | 0 | 0 | 3 | 0 | 0 | 85 | × | × | ||
| 第2半旬 | 6～10 | 21.3 | 22.8 | 25.3 | 06 | 21.0 | 07 | 19.8 | 18.7 | 07 | 20.5 | 06 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 94 | × | × | ||
| 第3半旬 | 11～15 | 23.5 | 25.5 | 27.8 | 12 | 23.9 | 14 | 21.6 | 20.7 | 11 | 22.5 | 13* | 0 | 1 | 0 | 0 | 0 | 3 | 0 | 0 | 89 | × | × | ||
| 第4半旬 | 16～20 | 22.8 | 24.9 | 27.7 | 17 | 23.5 | 16 | 21.0 | 20.3 | 19 | 21.8 | 17 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 89 | × | × | ||
| 第5半旬 | 21～25 | 22.2 | 24.0 | 24.6 | 22 | 23.5 | 25 | 20.5 | 19.6 | 22 | 20.9 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 75 | × | × | ||
| 第6半旬 | 26～30 | 22.5 | 25.7 | 27.7 | 28 | 23.5 | 30 | 19.2 | 18.0 | 30 | 20.0 | 27 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 83 | × | × | ||
| 第1半旬 | 1～ 5 | 20.1 | 21.7 | 22.7 | 01 | 20.5 | 05 | 18.6 | 16.7 | 04 | 19.9 | 03 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 84 | × | × | ||
| 第2半旬 | 6～10 | 20.9 | 22.9 | 25.9 | 07 | 19.0 | 10 | 18.6 | 15.2 | 10 | 21.0 | 08 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 90 | × | × | ||
| 第3半旬 | 11～15 | 18.8 | 21.3 | 25.5 | 14 | 17.5 | 12 | 16.7 | 14.4 | 12 | 19.6 | 14 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 70 | × | × | ||
| 第4半旬 | 16～20 | 18.0 | 20.4 | 25.0 | 17 | 15.6 | 20 | 16.1 | 12.6 | 20 | 18.3 | 18 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 71 | × | × | ||
| 第5半旬 | 21～25 | 15.2 | 17.5 | 17.9 | 22* | 16.6 | 23 | 11.4 | 9.6 | 23 | 15.0 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 74 | × | × | ||
| 第6半旬 | 26～31 | 15.2 | 18.3 | 20.1 | 31 | 16.7 | 30 | 11.6 | 7.0 | 29 | 15.6 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 74 | × | × | ||
| 第1半旬 | 1～ 5 | 15.6 | 17.8 | 21.2 | 05 | 16.5 | 04* | 13.6 | 11.3 | 01 | 14.7 | 03 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 75 | × | × | ||
| 第2半旬 | 6～10 | 16.6 | 21.0 | 22.4 | 10 | 18.8 | 09 | 12.5 | 11.2 | 08 | 14.9 | 06 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 77 | × | × | ||
| 第3半旬 | 11～15 | 14.6 | 16.3 | 17.3 | 15 | 14.3 | 12 | 11.6 | 8.2 | 13 | 15.4 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 78 | × | × | ||
| 第4半旬 | 16～20 | 13.6 | 16.5 | 20.0 | 18 | 13.0 | 19 | 10.9 | 8.3 | 20 | 14.4 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 79 | × | × | ||
| 第5半旬 | 21～25 | 13.0 | 14.3 | 15.4 | 24 | 13.3 | 22 | 11.2 | 10.0 | 22 | 12.5 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 80 | × | × | ||
| 第6半旬 | 26～30 | 9.7 | 12.2 | 15.1 | 26 | 10.0 | 29 | 6.3 | 3.1 | 30 | 9.2 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 76 | × | × | ||
| 第1半旬 | 1～ 5 | 8.7 | 13.1 | 16.9 | 01 | 9.0 | 02 | 3.7 | 3.4 | 02 | 4.3 | 01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 68 | × | × | ||
| 第2半旬 | 6～10 | 12.7 | 16.4 | 18.2 | 09 | 13.5 | 06 | 7.7 | 3.2 | 06 | 10.8 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 79 | × | × | ||
| 第3半旬 | 11～15 | 8.3 | 13.4 | 17.0 | 12 | 9.8 | 14 | 4.1 | -0.6 | 14 | 10.1 | 11 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 78 | × | × | ||
| 第4半旬 | 16～20 | 8.8 | 11.8 | 17.2 | 16 | 7.8 | 20 | 5.6 | 2.1 | 18 | 8.6 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 75 | × | × | ||
| 第5半旬 | 21～25 | 8.2 | 9.7 | 10.8 | 24 | 7.9 | 21 | 5.9 | 3.8 | 22 | 7.4 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 78 | × | × | ||
| 第6半旬 | 26～31 | 9.7 | 12.0 | 16.8 | 28 | 8.5 | 31 | 5.7 | 1.1 | 27 | 8.5 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 74 | × | × | ||