半旬ごとの値
 |  |
 |  |
 |  |  |  |  |
 |  |  |  |  |  |
 |  |  |  |  |
札幌（石狩地方) 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 | 20.6 | 46 | 0 | 3 | 5.1 | 35 | 22 | 04 | 2 | 2 | 2 | 1 | 0 | 0 | 64 | 04 | 5 | 5 | 5 | 5 | 5 | 3 | 0 | 6.4 | 0 | 0 | 5 | 0 | 0 | |
| 第2半旬 | 6～10 | 13.3 | 29 | 1 | 1 | 4.3 | 18 | 15 | 10 | 1 | 1 | 1 | 0 | 0 | 0 | 56 | 10 | 5 | 5 | 5 | 5 | 5 | 2 | 0 | 8.2 | 0 | 3 | 5 | 0 | 0 | |
| 第3半旬 | 11～15 | 22.0 | 48 | 0 | 3 | 5.9 | 45 | 24 | 15 | 2 | 2 | 2 | 2 | 0 | 0 | 77 | 15 | 5 | 5 | 5 | 5 | 5 | 5 | 0 | 5.8 | 0 | 2 | 4 | 0 | 0 | |
| 第4半旬 | 16～20 | 18.7 | 40 | 0 | 2 | 6.4 | 10 | 9 | 20 | 1 | 1 | 0 | 0 | 0 | 0 | 74 | 16 | 5 | 5 | 5 | 5 | 5 | 5 | 0 | 6.2 | 0 | 1 | 5 | 0 | 0 | |
| 第5半旬 | 21～25 | 23.8 | 50 | 1 | 3 | 6.3 | 34 | 34 | 24 | 1 | 1 | 1 | 1 | 0 | 0 | 80 | 24 | 5 | 5 | 5 | 5 | 5 | 5 | 0 | 6.0 | 0 | 1 | 4 | 0 | 0 | |
| 第6半旬 | 26～31 | 35.2 | 60 | 1 | 5 | 7.8 | 31 | 18 | 30 | 3 | 2 | 1 | 0 | 0 | 0 | 85 | 30 | 6 | 6 | 6 | 6 | 6 | 6 | 0 | 5.6 | 0 | 0 | 6 | 0 | 0 | |
| 第1半旬 | 1～ 5 | 18.9 | 38 | 0 | 3 | 7.4 | 23 | 19 | 03 | 1 | 1 | 1 | 0 | 0 | 0 | 87 | 03 | 5 | 5 | 5 | 5 | 5 | 5 | 0 | 8.2 | 0 | 2 | 5 | 0 | 0 | |
| 第2半旬 | 6～10 | 34.1 | 67 | 0 | 4 | 9.3 | 25 | 18 | 10 | 2 | 2 | 1 | 0 | 0 | 0 | 92 | 10 | 5 | 5 | 5 | 5 | 5 | 5 | 0 | 5.7 | 0 | 0 | 4 | 0 | 0 | |
| 第3半旬 | 11～15 | 27.6 | 53 | 0 | 4 | 8.9 | 24 | 15 | 11 | 3 | 2 | 1 | 0 | 0 | 0 | 99 | 12* | 5 | 5 | 5 | 5 | 5 | 5 | 0 | 8.3 | 0 | 3 | 4 | 0 | 0 | |
| 第4半旬 | 16～20 | 25.4 | 48 | 0 | 3 | 9.5 | 1 | 1 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 84 | 16 | 5 | 5 | 5 | 5 | 5 | 5 | 0 | 7.2 | 0 | 1 | 4 | 0 | 0 | |
| 第5半旬 | 21～25 | 11.3 | 21 | 1 | 1 | 6.9 | 22 | 13 | 21 | 2 | 2 | 1 | 0 | 0 | 0 | 89 | 22 | 5 | 5 | 5 | 5 | 5 | 5 | 0 | 8.5 | 0 | 3 | 4 | 0 | 0 | |
| 第6半旬 | 26～28 | 15.8 | 48 | 0 | 2 | 10.4 | 7 | 6 | 27 | 1 | 1 | 0 | 0 | 0 | 0 | 78 | 28 | 3 | 3 | 3 | 3 | 3 | 3 | 0 | 7.9 | 0 | 1 | 3 | 0 | 0 | |
| 第1半旬 | 1～ 5 | 20.7 | 37 | 1 | 2 | 10.1 | 25 | 15 | 03 | 4 | 1 | 1 | 0 | 0 | 0 | 86 | 04* | 5 | 5 | 5 | 5 | 5 | 5 | 0 | 8.0 | 0 | 3 | 5 | 0 | 0 | |
| 第2半旬 | 6～10 | 28.8 | 50 | 0 | 4 | 11.2 | 6 | 3 | 10* | 2 | 0 | 0 | 0 | 0 | 0 | 82 | 06 | 5 | 5 | 5 | 5 | 5 | 5 | 0 | 7.7 | 0 | 2 | 3 | 0 | 0 | |
| 第3半旬 | 11～15 | 34.3 | 59 | 0 | 4 | 12.9 | 0 | 0 | 15* | 0 | 0 | 0 | 0 | 0 | 0 | 61 | 11 | 5 | 5 | 5 | 5 | 5 | 3 | 0 | 6.8 | 0 | 1 | 2 | 0 | 0 | |
| 第4半旬 | 16～20 | 25.9 | 43 | 0 | 3 | 10.9 | 1 | 1 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 36 | 16 | 5 | 5 | 5 | 5 | 5 | 0 | 0 | 7.6 | 0 | 1 | 2 | 0 | 0 | |
| 第5半旬 | 21～25 | 33.6 | 55 | 0 | 4 | 13.2 | 5 | 5 | 25 | 1 | 1 | 0 | 0 | 0 | 0 | 16 | 21 | 5 | 5 | 4 | 2 | 0 | 0 | 0 | 7.8 | 0 | 3 | 3 | 0 | 0 | |
| 第6半旬 | 26～31 | 30.9 | 41 | 1 | 4 | 11.4 | 15 | 15 | 26 | 1 | 1 | 1 | 0 | 0 | 0 | 15 | 26 | 3 | 2 | 2 | 1 | 0 | 0 | 0 | 6.5 | 0 | 2 | 4 | 0 | 0 | |
| 第1半旬 | 1～ 5 | 31.6 | 50 | 0 | 3 | 14.6 | 9 | 7 | 05 | 1 | 1 | 0 | 0 | 0 | 0 | 7 | 05 | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 6.0 | 0 | 1 | 5 | 0 | 0 | |
| 第2半旬 | 6～10 | 37.3 | 57 | 0 | 4 | 16.0 | 0 | 0 | 06 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.7 | 0 | 0 | 0 | 0 | 0 | ||
| 第3半旬 | 11～15 | 36.6 | 55 | 0 | 4 | 16.7 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.4 | 0 | 1 | 1 | 0 | 0 | ||
| 第4半旬 | 16～20 | 13.9 | 21 | 1 | 1 | 9.3 | 0 | 0 | 20* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.2 | 0 | 3 | 2 | 0 | 0 | ||
| 第5半旬 | 21～25 | 27.1 | 40 | 0 | 2 | 14.6 | 0 | 0 | 24* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.4 | 0 | 0 | 3 | 0 | 0 | ||
| 第6半旬 | 26～30 | 29.5 | 42 | 1 | 3 | 13.3 | 2 | 2 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 28 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 6.4 | 0 | 1 | 2 | 0 | 0 | |
| 第1半旬 | 1～ 5 | 29.3 | 42 | 1 | 2 | 15.6 | 0 | 0 | 03 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 03 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 7.2 | 0 | 2 | 1 | 0 | 0 | |
| 第2半旬 | 6～10 | 27.1 | 38 | 1 | 2 | 15.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.5 | 1 | 3 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 48.6 | 67 | 1 | 4 | 20.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.4 | 1 | 1 | 0 | 0 | 0 | |||
| 第4半旬 | 16～20 | 3.4 | 5 | 1 | 0 | 8.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10.0 | 0 | 5 | 0 | 0 | 0 | |||
| 第5半旬 | 21～25 | 52.9 | 71 | 0 | 4 | 24.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.8 | 0 | 0 | 0 | 0 | 0 | |||
| 第6半旬 | 26～31 | 61.8 | 69 | 0 | 5 | 23.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.0 | 1 | 1 | 0 | 1 | 0 | |||
| 第1半旬 | 1～ 5 | 31.9 | 42 | 1 | 3 | 16.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.8 | 0 | 2 | 0 | 0 | 0 | |||
| 第2半旬 | 6～10 | 47.6 | 63 | 0 | 5 | 21.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.6 | 0 | 0 | 0 | 1 | 0 | |||
| 第3半旬 | 11～15 | 21.5 | 28 | 0 | 2 | 14.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.4 | 0 | 4 | 0 | 1 | 0 | |||
| 第4半旬 | 16～20 | 42.0 | 55 | 0 | 4 | 22.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.3 | 0 | 1 | 0 | 0 | 0 | |||
| 第5半旬 | 21～25 | 53.8 | 70 | 0 | 5 | 25.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.8 | 0 | 0 | 0 | 0 | 0 | |||
| 第6半旬 | 26～30 | 50.7 | 66 | 0 | 5 | 23.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.7 | 0 | 1 | 0 | 0 | 0 | |||
| 第1半旬 | 1～ 5 | 7.1 | 9 | 1 | 0 | 11.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.6 | 0 | 5 | 0 | 0 | 0 | |||
| 第2半旬 | 6～10 | 21.6 | 28 | 1 | 2 | 15.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.1 | 0 | 3 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 39.4 | 52 | 0 | 4 | 20.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.7 | 0 | 1 | 0 | 0 | 0 | |||
| 第4半旬 | 16～20 | 31.5 | 42 | 0 | 2 | 17.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.3 | 0 | 2 | 0 | 0 | 0 | |||
| 第5半旬 | 21～25 | 43.5 | 59 | 0 | 4 | 20.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.7 | 0 | 1 | 0 | 0 | 0 | |||
| 第6半旬 | 26～31 | 43.2 | 49 | 0 | 5 | 16.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.0 | 0 | 2 | 0 | 2 | 1 | |||
| 第1半旬 | 1～ 5 | 9.0 | 12 | 1 | 0 | 8.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.8 | 0 | 5 | 0 | 1 | 1 | |||
| 第2半旬 | 6～10 | 27.5 | 39 | 0 | 2 | 15.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.0 | 0 | 2 | 0 | 1 | 2 | |||
| 第3半旬 | 11～15 | 48.2 | 69 | 0 | 5 | 19.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.3 | 0 | 2 | 0 | 0 | 1 | |||
| 第4半旬 | 16～20 | 16.7 | 24 | 2 | 2 | 10.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.9 | 0 | 4 | 0 | 0 | 0 | |||
| 第5半旬 | 21～25 | 59.6 | 88 | 0 | 5 | 22.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.8 | 3 | 0 | 0 | 0 | 0 | |||
| 第6半旬 | 26～31 | 31.6 | 39 | 0 | 2 | 15.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.6 | 0 | 4 | 0 | 0 | 0 | |||
| 第1半旬 | 1～ 5 | 33.3 | 51 | 1 | 3 | 14.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.2 | 1 | 2 | 0 | 0 | 0 | |||
| 第2半旬 | 6～10 | 11.6 | 18 | 0 | 1 | 9.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.9 | 0 | 4 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 25.5 | 40 | 2 | 3 | 10.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.6 | 0 | 2 | 0 | 0 | 0 | |||
| 第4半旬 | 16～20 | 24.2 | 39 | 0 | 2 | 12.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.9 | 0 | 2 | 0 | 0 | 0 | |||
| 第5半旬 | 21～25 | 41.9 | 69 | 0 | 4 | 14.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.1 | 3 | 0 | 0 | 0 | 0 | |||
| 第6半旬 | 26～30 | 32.2 | 54 | 0 | 3 | 12.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.9 | 0 | 2 | 0 | 0 | 1 | |||
| 第1半旬 | 1～ 5 | 37.3 | 64 | 0 | 3 | 12.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.9 | 1 | 0 | 0 | 0 | 0 | |||
| 第2半旬 | 6～10 | 14.4 | 25 | 0 | 1 | 6.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.0 | 0 | 2 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 41.6 | 75 | 0 | 5 | 12.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.4 | 1 | 0 | 0 | 0 | 0 | |||
| 第4半旬 | 16～20 | 33.8 | 62 | 0 | 4 | 9.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.9 | 1 | 0 | 0 | 0 | 1 | |||
| 第5半旬 | 21～25 | 36.1 | 67 | 0 | 4 | 9.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.1 | 2 | 0 | 0 | 0 | 0 | |||
| 第6半旬 | 26～31 | 23.7 | 38 | 1 | 3 | 6.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.4 | 1 | 1 | 0 | 0 | 0 | |||
| 第1半旬 | 1～ 5 | 18.4 | 36 | 1 | 2 | 6.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.4 | 0 | 2 | 0 | 0 | 0 | |||
| 第2半旬 | 6～10 | 12.2 | 24 | 2 | 1 | 4.3 | 3 | 3 | 10 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 10 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 8.9 | 0 | 4 | 2 | 0 | 0 | |
| 第3半旬 | 11～15 | 34.0 | 70 | 0 | 4 | 8.6 | 2 | 2 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 11 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 5.0 | 1 | 0 | 1 | 0 | 0 | |
| 第4半旬 | 16～20 | 11.4 | 24 | 3 | 1 | 3.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.1 | 0 | 2 | 0 | 0 | 1 | |||
| 第5半旬 | 21～25 | 19.0 | 40 | 1 | 3 | 5.4 | 0 | 0 | 24* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.4 | 0 | 1 | 1 | 0 | 0 | ||
| 第6半旬 | 26～30 | 16.7 | 36 | 1 | 2 | 4.4 | 0 | 0 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.4 | 0 | 2 | 1 | 0 | 0 | ||
| 第1半旬 | 1～ 5 | 12.9 | 28 | 1 | 2 | 4.2 | 19 | 11 | 03 | 2 | 2 | 1 | 0 | 0 | 0 | 16 | 03 | 4 | 4 | 3 | 2 | 0 | 0 | 0 | 7.9 | 0 | 4 | 4 | 0 | 0 | |
| 第2半旬 | 6～10 | 22.6 | 50 | 0 | 3 | 5.5 | 0 | 0 | 10* | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 06 | 5 | 3 | 0 | 0 | 0 | 0 | 0 | 6.5 | 0 | 0 | 4 | 0 | 0 | |
| 第3半旬 | 11～15 | 14.5 | 32 | 0 | 2 | 4.2 | 1 | 1 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 11 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 8.3 | 0 | 2 | 2 | 0 | 0 | |
| 第4半旬 | 16～20 | 10.0 | 22 | 2 | 2 | 3.6 | 12 | 6 | 18 | 2 | 1 | 0 | 0 | 0 | 0 | 5 | 20* | 4 | 3 | 2 | 0 | 0 | 0 | 0 | 8.7 | 0 | 3 | 4 | 0 | 0 | |
| 第5半旬 | 21～25 | 15.7 | 35 | 1 | 2 | 4.8 | 22 | 12 | 21 | 2 | 2 | 1 | 0 | 0 | 0 | 16 | 21 | 5 | 5 | 5 | 4 | 0 | 0 | 0 | 8.2 | 0 | 3 | 5 | 0 | 1 | |
| 第6半旬 | 26～31 | 23.4 | 43 | 0 | 4 | 5.6 | 35 | 15 | 28 | 3 | 3 | 2 | 0 | 0 | 0 | 42 | 28 | 6 | 6 | 6 | 6 | 5 | 0 | 0 | 8.3 | 0 | 2 | 4 | 0 | 0 | |