半旬ごとの値
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根室（根室地方) 1977年（半旬ごとの値） 詳細（日照・雪・その他）
| 月 | 半旬 | 日～日 | 日照時間(h) | 全天日射量 (MJ/㎡) | 雪(cm) | 雲量 | 大気現象 | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 合計 | 日照率 | 各階級の日数 | 降雪 | 各階級の日数（降雪） | 最深積雪 | 各階級の日数（最深積雪） | 平均 | 各階級の日数 | 雪日数 | 霧日数 | 雷日数 | ||||||||||||||||||||
| 不照 | 日照率 ≧40% | 平均 | 合計 | 日合計の最大 | ≧3cm | ≧5cm | ≧10cm | ≧20cm | ≧50cm | ≧100cm | 値 | 日 | ≧0cm | ≧1cm | ≧5cm | ≧10cm | ≧20cm | ≧50cm | ≧100cm | ＜1.5 | ≧8.5 | ||||||||||
| 値 | 日 | ||||||||||||||||||||||||||||||
| 第1半旬 | 1～ 5 | 24.7 | 55 | 0 | 3 | 6.1 | 6 | 3 | 04* | 2 | 0 | 0 | 0 | 0 | 0 | 13 | 04 | 5 | 5 | 5 | 3 | 0 | 0 | 0 | 6.5 | 0 | 2 | 4 | 0 | 0 | |
| 第2半旬 | 6～10 | 30.7 | 68 | 1 | 4 | 6.7 | 6 | 6 | 10 | 1 | 1 | 0 | 0 | 0 | 0 | 16 | 10 | 5 | 5 | 5 | 4 | 0 | 0 | 0 | 3.5 | 2 | 1 | 1 | 0 | 0 | |
| 第3半旬 | 11～15 | 35.8 | 78 | 0 | 5 | 8.2 | 2 | 2 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 11 | 5 | 5 | 5 | 5 | 5 | 0 | 0 | 3.8 | 1 | 0 | 3 | 0 | 0 | |
| 第4半旬 | 16～20 | 34.0 | 73 | 0 | 5 | 8.0 | 3 | 2 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 19* | 5 | 5 | 5 | 5 | 4 | 0 | 0 | 4.4 | 2 | 1 | 3 | 0 | 0 | |
| 第5半旬 | 21～25 | 38.3 | 81 | 0 | 5 | 8.8 | 0 | 0 | 24* | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 25* | 5 | 5 | 5 | 5 | 0 | 0 | 0 | 3.0 | 1 | 0 | 3 | 0 | 0 | |
| 第6半旬 | 26～31 | 41.0 | 70 | 0 | 5 | 9.5 | 5 | 5 | 26 | 1 | 1 | 0 | 0 | 0 | 0 | 30 | 26 | 6 | 6 | 6 | 6 | 6 | 0 | 0 | 4.2 | 1 | 1 | 3 | 0 | 0 | |
| 第1半旬 | 1～ 5 | 31.1 | 63 | 0 | 4 | 9.8 | 8 | 7 | 03 | 1 | 1 | 0 | 0 | 0 | 0 | 30 | 03 | 5 | 5 | 5 | 5 | 5 | 0 | 0 | 6.1 | 0 | 0 | 4 | 0 | 0 | |
| 第2半旬 | 6～10 | 41.3 | 82 | 0 | 5 | 11.2 | 0 | 0 | 07* | 0 | 0 | 0 | 0 | 0 | 0 | 28 | 06 | 5 | 5 | 5 | 5 | 5 | 0 | 0 | 5.1 | 0 | 0 | 3 | 1 | 0 | |
| 第3半旬 | 11～15 | 39.5 | 76 | 0 | 4 | 11.6 | 6 | 6 | 11 | 1 | 1 | 0 | 0 | 0 | 0 | 55 | 11 | 5 | 5 | 5 | 5 | 5 | 2 | 0 | 4.1 | 1 | 1 | 2 | 0 | 0 | |
| 第4半旬 | 16～20 | 45.0 | 85 | 0 | 5 | 13.2 | 0 | 0 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 45 | 16 | 5 | 5 | 5 | 5 | 5 | 0 | 0 | 1.7 | 2 | 0 | 0 | 0 | 0 | |
| 第5半旬 | 21～25 | 28.5 | 53 | 0 | 4 | 10.4 | 0 | 0 | 25* | 0 | 0 | 0 | 0 | 0 | 0 | 40 | 22 | 5 | 5 | 5 | 5 | 5 | 0 | 0 | 5.7 | 0 | 0 | 4 | 0 | 0 | |
| 第6半旬 | 26～28 | 22.6 | 68 | 0 | 3 | 13.2 | 0 | 0 | 28* | 0 | 0 | 0 | 0 | 0 | 0 | 36 | 26 | 3 | 3 | 3 | 3 | 3 | 0 | 0 | 5.9 | 0 | 0 | 3 | 0 | 0 | |
| 第1半旬 | 1～ 5 | 31.8 | 57 | 1 | 4 | 12.7 | 15 | 15 | 03 | 1 | 1 | 1 | 0 | 0 | 0 | 58 | 04* | 5 | 5 | 5 | 5 | 5 | 2 | 0 | 6.4 | 0 | 2 | 3 | 0 | 0 | |
| 第2半旬 | 6～10 | 41.2 | 72 | 0 | 4 | 14.7 | 0 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 48 | 06 | 5 | 5 | 5 | 5 | 4 | 0 | 0 | 4.8 | 0 | 1 | 1 | 0 | 0 | |
| 第3半旬 | 11～15 | 33.9 | 58 | 1 | 4 | 12.6 | 2 | 1 | 15* | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 11 | 5 | 5 | 1 | 0 | 0 | 0 | 0 | 6.3 | 1 | 3 | 3 | 0 | 0 | |
| 第4半旬 | 16～20 | 25.6 | 43 | 1 | 3 | 12.6 | 0 | 0 | 20* | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 16 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 8.1 | 0 | 3 | 3 | 3 | 0 | |
| 第5半旬 | 21～25 | 35.7 | 59 | 1 | 4 | 13.6 | 4 | 4 | 21 | 1 | 0 | 0 | 0 | 0 | 0 | 4 | 22* | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 6.1 | 0 | 1 | 4 | 0 | 0 | |
| 第6半旬 | 26～31 | 53.1 | 71 | 1 | 5 | 17.5 | 1 | 1 | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 31 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 4.5 | 0 | 1 | 2 | 0 | 0 | |
| 第1半旬 | 1～ 5 | 44.4 | 70 | 0 | 4 | 18.3 | 4 | 3 | 05 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 05* | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 3.7 | 0 | 0 | 3 | 0 | 0 | |
| 第2半旬 | 6～10 | 15.0 | 23 | 1 | 1 | 11.8 | 0 | 0 | 10* | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 06 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 8.9 | 0 | 4 | 3 | 1 | 0 | |
| 第3半旬 | 11～15 | 36.2 | 55 | 0 | 4 | 16.3 | 1 | 1 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 11 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 7.1 | 1 | 2 | 1 | 3 | 0 | |
| 第4半旬 | 16～20 | 30.6 | 45 | 1 | 3 | 14.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.3 | 0 | 2 | 0 | 3 | 0 | |||
| 第5半旬 | 21～25 | 38.0 | 55 | 0 | 4 | 16.1 | 0 | 0 | 24* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.2 | 0 | 1 | 2 | 0 | 0 | ||
| 第6半旬 | 26～30 | 22.6 | 32 | 1 | 2 | 12.9 | 3 | 3 | 28 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 28 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 7.1 | 0 | 1 | 2 | 0 | 0 | |
| 第1半旬 | 1～ 5 | 29.9 | 42 | 1 | 2 | 16.2 | 12 | 9 | 03 | 2 | 1 | 0 | 0 | 0 | 0 | 15 | 03 | 3 | 3 | 1 | 1 | 0 | 0 | 0 | 7.6 | 0 | 2 | 3 | 1 | 0 | |
| 第2半旬 | 6～10 | 29.8 | 42 | 1 | 2 | 14.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.8 | 0 | 1 | 0 | 2 | 0 | |||
| 第3半旬 | 11～15 | 40.3 | 56 | 0 | 3 | 19.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.0 | 0 | 3 | 0 | 4 | 0 | |||
| 第4半旬 | 16～20 | 5.0 | 7 | 3 | 0 | 8.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.9 | 0 | 5 | 0 | 3 | 0 | |||
| 第5半旬 | 21～25 | 27.1 | 36 | 0 | 2 | 15.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.3 | 1 | 2 | 0 | 0 | 0 | |||
| 第6半旬 | 26～31 | 50.8 | 56 | 0 | 5 | 22.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.2 | 0 | 3 | 0 | 6 | 0 | |||
| 第1半旬 | 1～ 5 | 32.2 | 43 | 2 | 2 | 17.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.8 | 0 | 2 | 0 | 3 | 0 | |||
| 第2半旬 | 6～10 | 47.3 | 62 | 0 | 4 | 22.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.5 | 0 | 1 | 0 | 4 | 0 | |||
| 第3半旬 | 11～15 | 15.4 | 20 | 1 | 1 | 13.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.4 | 0 | 4 | 0 | 3 | 0 | |||
| 第4半旬 | 16～20 | 12.4 | 16 | 2 | 1 | 14.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.7 | 0 | 5 | 0 | 3 | 0 | |||
| 第5半旬 | 21～25 | 15.1 | 20 | 1 | 0 | 14.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.9 | 0 | 5 | 0 | 1 | 0 | |||
| 第6半旬 | 26～30 | 20.5 | 27 | 1 | 1 | 15.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.7 | 0 | 5 | 0 | 4 | 0 | |||
| 第1半旬 | 1～ 5 | 10.7 | 14 | 3 | 1 | 13.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.6 | 0 | 4 | 0 | 2 | 0 | |||
| 第2半旬 | 6～10 | 27.9 | 37 | 1 | 2 | 17.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.2 | 0 | 4 | 0 | 3 | 0 | |||
| 第3半旬 | 11～15 | 32.9 | 44 | 1 | 3 | 17.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.0 | 0 | 1 | 0 | 2 | 0 | |||
| 第4半旬 | 16～20 | 15.7 | 21 | 2 | 1 | 13.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.4 | 0 | 4 | 0 | 1 | 0 | |||
| 第5半旬 | 21～25 | 41.9 | 57 | 0 | 4 | 20.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.6 | 0 | 2 | 0 | 4 | 0 | |||
| 第6半旬 | 26～31 | 48.9 | 56 | 1 | 5 | 18.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.2 | 0 | 2 | 0 | 4 | 0 | |||
| 第1半旬 | 1～ 5 | 11.6 | 16 | 1 | 0 | 11.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.7 | 0 | 5 | 0 | 5 | 0 | |||
| 第2半旬 | 6～10 | 32.1 | 45 | 0 | 3 | 16.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.4 | 0 | 2 | 0 | 2 | 0 | |||
| 第3半旬 | 11～15 | 25.6 | 36 | 1 | 2 | 14.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.9 | 0 | 3 | 0 | 2 | 0 | |||
| 第4半旬 | 16～20 | 7.3 | 11 | 2 | 0 | 9.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.9 | 0 | 5 | 0 | 4 | 0 | |||
| 第5半旬 | 21～25 | 30.9 | 45 | 0 | 3 | 17.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.2 | 0 | 3 | 0 | 0 | 0 | |||
| 第6半旬 | 26～31 | 4.1 | 5 | 5 | 0 | 8.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.9 | 0 | 6 | 0 | 5 | 0 | |||
| 第1半旬 | 1～ 5 | 14.8 | 23 | 0 | 1 | 12.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.5 | 0 | 3 | 0 | 4 | 1 | |||
| 第2半旬 | 6～10 | 11.4 | 18 | 3 | 1 | 8.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.3 | 0 | 4 | 0 | 2 | 0 | |||
| 第3半旬 | 11～15 | 27.6 | 44 | 0 | 3 | 13.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.2 | 0 | 1 | 0 | 1 | 0 | |||
| 第4半旬 | 16～20 | 23.1 | 37 | 2 | 2 | 10.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.5 | 0 | 2 | 0 | 3 | 0 | |||
| 第5半旬 | 21～25 | 44.1 | 73 | 0 | 4 | 15.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.5 | 2 | 0 | 0 | 0 | 0 | |||
| 第6半旬 | 26～30 | 33.7 | 57 | 1 | 4 | 13.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.5 | 0 | 1 | 0 | 1 | 1 | |||
| 第1半旬 | 1～ 5 | 24.7 | 42 | 1 | 2 | 9.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.9 | 1 | 3 | 0 | 1 | 0 | |||
| 第2半旬 | 6～10 | 16.5 | 29 | 1 | 1 | 8.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.9 | 0 | 2 | 0 | 1 | 0 | |||
| 第3半旬 | 11～15 | 42.7 | 77 | 0 | 5 | 12.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.6 | 2 | 1 | 0 | 0 | 0 | |||
| 第4半旬 | 16～20 | 38.1 | 70 | 0 | 4 | 11.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.7 | 2 | 0 | 0 | 1 | 1 | |||
| 第5半旬 | 21～25 | 36.4 | 68 | 0 | 4 | 10.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.6 | 1 | 0 | 0 | 1 | 0 | |||
| 第6半旬 | 26～31 | 33.5 | 54 | 0 | 5 | 8.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.8 | 0 | 1 | 0 | 0 | 0 | |||
| 第1半旬 | 1～ 5 | 25.1 | 49 | 2 | 3 | 7.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.7 | 0 | 2 | 0 | 0 | 0 | |||
| 第2半旬 | 6～10 | 22.3 | 45 | 2 | 3 | 6.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.8 | 1 | 2 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 42.3 | 87 | 0 | 5 | 9.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.5 | 3 | 0 | 0 | 0 | 0 | |||
| 第4半旬 | 16～20 | 9.2 | 19 | 3 | 1 | 3.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.6 | 1 | 4 | 0 | 1 | 0 | |||
| 第5半旬 | 21～25 | 32.1 | 68 | 0 | 4 | 6.9 | 0 | 0 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.0 | 0 | 1 | 0 | 1 | 0 | ||
| 第6半旬 | 26～30 | 13.3 | 29 | 2 | 1 | 3.8 | 0 | 0 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.1 | 0 | 2 | 1 | 0 | 0 | ||
| 第1半旬 | 1～ 5 | 26.4 | 58 | 0 | 3 | 6.1 | 0 | 0 | 03 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.8 | 1 | 1 | 1 | 0 | 0 | ||
| 第2半旬 | 6～10 | 33.8 | 75 | 0 | 4 | 6.5 | 0 | 0 | 09* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.4 | 2 | 0 | 2 | 0 | 0 | ||
| 第3半旬 | 11～15 | 30.0 | 67 | 0 | 5 | 6.0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.0 | 0 | 0 | 1 | 0 | 0 | ||
| 第4半旬 | 16～20 | 18.7 | 42 | 1 | 3 | 4.1 | 0 | 0 | 19* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.2 | 0 | 2 | 3 | 1 | 0 | ||
| 第5半旬 | 21～25 | 27.0 | 61 | 0 | 4 | 5.7 | 4 | 3 | 24 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 24 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 5.1 | 0 | 1 | 3 | 1 | 0 | |
| 第6半旬 | 26～31 | 26.3 | 49 | 1 | 4 | 5.2 | 1 | 1 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 29* | 5 | 4 | 0 | 0 | 0 | 0 | 0 | 5.8 | 0 | 0 | 4 | 0 | 0 | |