半旬ごとの値
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銚子（千葉県) 1918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 | 2.6 | 6.1 | 8.5 | 01 | 2.7 | 03 | -0.9 | -3.0 | 04 | 2.3 | 02 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 60 | 28 | 03 | ||
| 第2半旬 | 6～10 | 2.3 | 6.0 | 8.4 | 06 | 4.7 | 08 | -1.3 | -2.4 | 09* | 1.4 | 06 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 52 | 27 | 08 | ||
| 第3半旬 | 11～15 | 3.8 | 8.3 | 10.5 | 13 | 5.9 | 11 | -1.4 | -2.3 | 11 | -0.1 | 14 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 58 | 33 | 14 | ||
| 第4半旬 | 16～20 | 3.2 | 7.3 | 10.5 | 18 | 5.3 | 20 | -1.1 | -2.3 | 17 | 0.9 | 19 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 50 | 24 | 17 | ||
| 第5半旬 | 21～25 | 4.4 | 7.1 | 8.2 | 25 | 6.1 | 22 | 1.2 | -2.0 | 22 | 4.0 | 23 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 66 | 37 | 21 | ||
| 第6半旬 | 26～31 | 3.5 | 6.3 | 8.7 | 30 | 5.0 | 31 | 0.1 | -0.6 | 29 | 0.7 | 26 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 66 | 37 | 31 | ||
| 第1半旬 | 1～ 5 | 4.6 | 7.8 | 11.5 | 03 | 5.7 | 01 | 2.0 | -1.7 | 02 | 4.4 | 03 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 69 | 44 | 01 | ||
| 第2半旬 | 6～10 | 4.7 | 7.2 | 12.4 | 10 | 4.3 | 07 | 2.1 | -1.9 | 09 | 4.6 | 10 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 81 | 49 | 08 | ||
| 第3半旬 | 11～15 | 4.1 | 6.0 | 6.5 | 15 | 5.9 | 14* | 1.8 | 1.0 | 13 | 2.7 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 69 | 57 | 14 | ||
| 第4半旬 | 16～20 | 3.5 | 7.1 | 13.2 | 20 | 4.0 | 16 | -0.5 | -3.6 | 19 | 4.9 | 20 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 54 | 22 | 19 | ||
| 第5半旬 | 21～25 | 5.7 | 8.5 | 12.4 | 22 | 5.4 | 23 | 3.2 | 1.4 | 21 | 5.8 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 68 | 35 | 21 | ||
| 第6半旬 | 26～28 | 6.2 | 10.2 | 15.5 | 26 | 2.2 | 28 | 1.7 | 0.0 | 28 | 3.5 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 84 | 65 | 26 | ||
| 第1半旬 | 1～ 5 | 4.0 | 6.3 | 11.4 | 05 | 3.9 | 02* | 1.6 | -2.6 | 03 | 5.1 | 05 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 70 | 36 | 02 | ||
| 第2半旬 | 6～10 | 6.5 | 8.5 | 14.8 | 10 | 5.9 | 09 | 4.3 | 3.7 | 09 | 4.6 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 74 | 60 | 09* | ||
| 第3半旬 | 11～15 | 6.8 | 9.5 | 14.8 | 11 | 7.6 | 12 | 4.6 | 3.2 | 13 | 6.4 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 66 | 40 | 12 | ||
| 第4半旬 | 16～20 | 8.3 | 11.8 | 14.2 | 20 | 9.2 | 16 | 5.3 | 1.5 | 20 | 6.6 | 17* | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 82 | 35 | 20 | ||
| 第5半旬 | 21～25 | 7.6 | 11.5 | 17.0 | 25 | 7.9 | 21 | 3.1 | -0.2 | 21 | 10.8 | 25 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 63 | 32 | 22 | ||
| 第6半旬 | 26～31 | 9.3 | 12.8 | 16.5 | 31 | 7.8 | 28 | 6.5 | 4.8 | 28 | 8.4 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 79 | 42 | 31 | ||
| 第1半旬 | 1～ 5 | 8.0 | 9.9 | 11.6 | 03 | 7.3 | 05 | 6.3 | 3.7 | 05 | 7.6 | 02* | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 83 | 63 | 01 | ||
| 第2半旬 | 6～10 | 10.4 | 14.1 | 16.0 | 10 | 8.8 | 09 | 6.7 | 3.3 | 06 | 8.5 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 84 | 56 | 09* | ||
| 第3半旬 | 11～15 | 8.7 | 10.3 | 14.6 | 15 | 7.8 | 11 | 7.1 | 5.9 | 11 | 8.5 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 91 | 65 | 15 | ||
| 第4半旬 | 16～20 | 12.7 | 15.8 | 19.6 | 19 | 12.6 | 16 | 9.8 | 7.4 | 18 | 13.6 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 81 | 50 | 16 | ||
| 第5半旬 | 21～25 | 11.4 | 13.9 | 17.1 | 25 | 10.9 | 23 | 8.6 | 8.1 | 24 | 9.2 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 80 | 52 | 24 | ||
| 第6半旬 | 26～30 | 14.9 | 18.5 | 19.4 | 29 | 17.3 | 28 | 11.4 | 8.1 | 28 | 13.7 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 72 | 36 | 27 | ||
| 第1半旬 | 1～ 5 | 15.7 | 19.6 | 21.7 | 03 | 17.4 | 02 | 12.3 | 9.4 | 05 | 15.4 | 04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 80 | 35 | 03 | ||
| 第2半旬 | 6～10 | 14.3 | 17.6 | 19.9 | 09 | 15.5 | 08 | 10.5 | 7.8 | 06 | 13.2 | 07 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 82 | 60 | 09 | ||
| 第3半旬 | 11～15 | 16.6 | 20.3 | 21.8 | 12 | 19.7 | 15 | 13.7 | 12.3 | 11 | 15.7 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 82 | 44 | 15 | ||
| 第4半旬 | 16～20 | 16.3 | 19.3 | 21.6 | 16 | 16.2 | 18 | 13.0 | 11.9 | 19 | 14.5 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 86 | 51 | 16 | ||
| 第5半旬 | 21～25 | 15.8 | 18.3 | 21.1 | 21 | 15.2 | 24 | 13.6 | 13.2 | 21 | 13.9 | 25* | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 83 | 56 | 22 | ||
| 第6半旬 | 26～31 | 18.2 | 21.1 | 23.5 | 30 | 17.3 | 26 | 15.9 | 14.3 | 27 | 17.5 | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 88 | 57 | 27 | ||
| 第1半旬 | 1～ 5 | 18.2 | 20.5 | 23.5 | 01 | 18.6 | 03 | 16.3 | 15.2 | 04* | 18.1 | 01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 92 | 70 | 02 | ||
| 第2半旬 | 6～10 | 18.1 | 20.9 | 23.4 | 09 | 19.0 | 07 | 15.4 | 13.2 | 08 | 17.7 | 09 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 85 | 50 | 08 | ||
| 第3半旬 | 11～15 | 18.3 | 21.5 | 22.8 | 11 | 19.5 | 13 | 15.8 | 14.3 | 11 | 16.8 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 86 | 59 | 12 | ||
| 第4半旬 | 16～20 | 18.7 | 21.1 | 22.7 | 18 | 19.3 | 16 | 16.8 | 15.4 | 17 | 18.2 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 89 | 54 | 17 | ||
| 第5半旬 | 21～25 | 18.9 | 21.4 | 24.1 | 24 | 18.5 | 21 | 16.3 | 14.8 | 23 | 18.4 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 92 | 70 | 23 | ||
| 第6半旬 | 26～30 | 20.6 | 23.3 | 25.9 | 29 | 21.2 | 26 | 18.2 | 16.7 | 26 | 19.4 | 29 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 95 | 78 | 29 | ||
| 第1半旬 | 1～ 5 | 22.1 | 26.4 | 30.0 | 02 | 21.0 | 05 | 18.8 | 17.0 | 05 | 19.9 | 02 | 0 | 0 | 0 | 0 | 0 | 4 | 1 | 0 | 87 | 63 | 02 | ||
| 第2半旬 | 6～10 | 22.1 | 25.9 | 27.4 | 10 | 24.0 | 06 | 19.5 | 18.4 | 08 | 20.9 | 09 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 92 | 73 | 09 | ||
| 第3半旬 | 11～15 | 22.7 | 25.9 | 29.7 | 11 | 20.0 | 15 | 19.8 | 15.4 | 15 | 23.5 | 12 | 0 | 2 | 0 | 0 | 0 | 4 | 0 | 0 | 91 | 73 | 11 | ||
| 第4半旬 | 16～20 | 21.9 | 25.0 | 26.1 | 19 | 23.4 | 20 | 19.0 | 16.0 | 16 | 21.5 | 18 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 95 | 81 | 16 | ||
| 第5半旬 | 21～25 | 24.1 | 28.2 | 29.3 | 22 | 27.0 | 23 | 20.7 | 19.2 | 24 | 22.6 | 25 | 0 | 2 | 0 | 0 | 0 | 5 | 0 | 0 | 91 | 72 | 22 | ||
| 第6半旬 | 26～31 | 24.5 | 27.8 | 28.8 | 30 | 26.8 | 31 | 21.5 | 20.9 | 29 | 22.6 | 26 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 88 | 71 | 27 | ||
| 第1半旬 | 1～ 5 | 23.8 | 26.8 | 27.9 | 03 | 25.9 | 01 | 21.6 | 21.4 | 02 | 21.9 | 04 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 90 | 70 | 04 | ||
| 第2半旬 | 6～10 | 25.7 | 29.4 | 29.9 | 10 | 28.6 | 07 | 23.2 | 22.6 | 06 | 23.7 | 10 | 0 | 5 | 0 | 0 | 0 | 5 | 0 | 0 | 86 | 66 | 10 | ||
| 第3半旬 | 11～15 | 25.6 | 29.3 | 30.0 | 11 | 28.6 | 15 | 23.2 | 22.8 | 15 | 23.9 | 13 | 0 | 5 | 0 | 0 | 0 | 5 | 1 | 0 | 86 | 65 | 11 | ||
| 第4半旬 | 16～20 | 24.8 | 29.0 | 30.2 | 17* | 26.9 | 19 | 21.9 | 21.0 | 19 | 22.6 | 17 | 0 | 3 | 0 | 0 | 0 | 5 | 2 | 0 | 83 | 60 | 16 | ||
| 第5半旬 | 21～25 | 24.8 | 28.6 | 30.4 | 23 | 25.7 | 22 | 22.1 | 21.0 | 23 | 23.4 | 25 | 0 | 3 | 0 | 0 | 0 | 5 | 3 | 0 | 87 | 64 | 25* | ||
| 第6半旬 | 26～31 | 25.2 | 29.0 | 31.0 | 29 | 26.5 | 28 | 22.6 | 21.5 | 31 | 23.6 | 30 | 0 | 4 | 0 | 0 | 0 | 6 | 2 | 0 | 85 | 56 | 27 | ||
| 第1半旬 | 1～ 5 | 24.3 | 27.6 | 29.5 | 05* | 24.0 | 02 | 21.8 | 20.0 | 01 | 24.0 | 05 | 0 | 2 | 0 | 0 | 0 | 4 | 0 | 0 | 89 | 69 | 03 | ||
| 第2半旬 | 6～10 | 24.5 | 27.9 | 30.4 | 06 | 23.5 | 09 | 22.4 | 20.9 | 10 | 23.9 | 06 | 0 | 3 | 0 | 0 | 0 | 3 | 3 | 0 | 87 | 61 | 06 | ||
| 第3半旬 | 11～15 | 23.4 | 25.3 | 27.0 | 15 | 22.5 | 13 | 21.2 | 20.5 | 11 | 22.3 | 14 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 88 | 59 | 15 | ||
| 第4半旬 | 16～20 | 24.0 | 27.0 | 29.0 | 20 | 25.0 | 18 | 21.7 | 20.6 | 16 | 23.6 | 19 | 0 | 1 | 0 | 0 | 0 | 5 | 0 | 0 | 82 | 53 | 16 | ||
| 第5半旬 | 21～25 | 21.1 | 23.6 | 27.0 | 24 | 20.1 | 23 | 18.5 | 17.4 | 23 | 20.0 | 21 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 80 | 48 | 25 | ||
| 第6半旬 | 26～30 | 21.6 | 24.1 | 26.0 | 29 | 22.1 | 27 | 18.8 | 17.0 | 27 | 22.0 | 29 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 91 | 69 | 26 | ||
| 第1半旬 | 1～ 5 | 19.7 | 21.4 | 24.5 | 05 | 20.0 | 02 | 18.0 | 17.0 | 03 | 18.9 | 04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 92 | 81 | 04* | ||
| 第2半旬 | 6～10 | 19.2 | 21.2 | 25.4 | 06 | 18.9 | 09 | 17.3 | 16.9 | 10 | 18.2 | 06 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 86 | 64 | 08 | ||
| 第3半旬 | 11～15 | 19.3 | 21.2 | 25.4 | 11 | 19.5 | 15 | 17.7 | 17.0 | 13 | 18.6 | 11 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 88 | 60 | 14 | ||
| 第4半旬 | 16～20 | 18.0 | 19.4 | 21.0 | 18 | 18.5 | 20 | 16.7 | 15.4 | 20 | 17.8 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 87 | 60 | 19 | ||
| 第5半旬 | 21～25 | 16.0 | 18.9 | 24.1 | 21 | 15.0 | 25 | 12.6 | 9.0 | 25 | 15.0 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 74 | 45 | 25 | ||
| 第6半旬 | 26～31 | 15.4 | 18.2 | 19.8 | 29 | 17.2 | 31 | 12.1 | 10.3 | 28 | 14.5 | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 75 | 53 | 26 | ||
| 第1半旬 | 1～ 5 | 17.1 | 19.6 | 22.7 | 03 | 16.7 | 01 | 14.8 | 13.3 | 01 | 15.7 | 05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 75 | 54 | 01 | ||
| 第2半旬 | 6～10 | 13.5 | 16.0 | 17.9 | 06 | 14.0 | 08 | 11.5 | 8.8 | 10 | 14.0 | 06 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 83 | 38 | 10 | ||
| 第3半旬 | 11～15 | 11.8 | 14.6 | 20.3 | 14 | 11.2 | 11 | 8.8 | 5.5 | 11 | 11.5 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 69 | 49 | 12* | ||
| 第4半旬 | 16～20 | 12.0 | 14.4 | 15.7 | 19 | 13.2 | 16 | 9.4 | 5.7 | 20 | 11.1 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 79 | 49 | 19 | ||
| 第5半旬 | 21～25 | 12.8 | 15.5 | 18.0 | 23 | 12.4 | 25 | 10.1 | 7.0 | 25 | 12.9 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 81 | 52 | 25 | ||
| 第6半旬 | 26～30 | 10.5 | 13.2 | 15.7 | 26 | 10.5 | 29 | 7.2 | 5.0 | 30 | 9.4 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 70 | 52 | 29 | ||
| 第1半旬 | 1～ 5 | 8.5 | 10.9 | 14.4 | 01 | 8.1 | 03 | 6.0 | 3.9 | 05 | 7.3 | 02* | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 74 | 53 | 03 | ||
| 第2半旬 | 6～10 | 7.9 | 11.8 | 14.6 | 06 | 7.5 | 09 | 4.4 | 1.5 | 10 | 9.3 | 07 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 62 | 38 | 09 | ||
| 第3半旬 | 11～15 | 6.5 | 11.3 | 13.7 | 12 | 8.2 | 11 | 2.2 | 0.9 | 15 | 4.4 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 70 | 38 | 13 | ||
| 第4半旬 | 16～20 | 7.1 | 10.0 | 12.3 | 20 | 7.9 | 16 | 4.3 | 0.5 | 16 | 8.3 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 74 | 45 | 16 | ||
| 第5半旬 | 21～25 | 6.3 | 8.6 | 10.6 | 22 | 6.6 | 24 | 3.6 | 0.5 | 24 | 7.2 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 81 | 63 | 24 | ||
| 第6半旬 | 26～31 | 6.2 | 9.3 | 11.6 | 27 | 6.6 | 30 | 2.8 | -0.1 | 31 | 4.5 | 28 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 78 | 50 | 31 | ||