月ごとの値
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札幌（石狩地方) 1981年（月ごとの値） 詳細（日照・雪・その他）
| 月 | 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 | ||||||||||||||||||||||||||||
| 134.3 | 46 | 3 | 18 | 6.8 | 273 | 51 | 22 | 18 | 17 | 13 | 2 | 1 | 0 | 102 | 30* | 31 | 31 | 31 | 31 | 31 | 21 | 2 | 7.3 | 1 | 12 | 26 | 0 | 0 | |
| 137.1 | 47 | 1 | 17 | 9.8 | 62 | 18 | 19 | 8 | 4 | 1 | 0 | 0 | 0 | 91 | 01 | 28 | 28 | 28 | 28 | 28 | 28 | 0 | 8.1 | 0 | 15 | 25 | 0 | 0 | |
| 162.7 | 44 | 1 | 16 | 13.4 | 136 | 28 | 17 | 15 | 12 | 4 | 1 | 0 | 0 | 96 | 17 | 31 | 31 | 31 | 31 | 31 | 31 | 0 | 7.3 | 2 | 13 | 27 | 0 | 1 | |
| 205.0 | 51 | 3 | 19 | 17.1 | 2 | 1 | 15* | 0 | 0 | 0 | 0 | 0 | 0 | 50 | 01 | 10 | 8 | 6 | 5 | 5 | 1 | 0 | 5.7 | 3 | 9 | 3 | 2 | 1 | |
| 196.3 | 43 | 5 | 18 | 18.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.1 | 2 | 14 | 0 | 0 | 0 | |||
| 173.3 | 38 | 2 | 13 | 18.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.2 | 0 | 18 | 0 | 2 | 1 | |||
| 193.5 | 42 | 4 | 18 | 17.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.7 | 0 | 14 | 0 | 0 | 0 | |||
| 153.1 | 36 | 9 | 15 | 13.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.1 | 1 | 18 | 0 | 2 | 7 | |||
| 208.7 | 56 | 4 | 23 | 14.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.0 | 0 | 6 | 0 | 0 | 2 | |||
| 200.2 | 59 | 1 | 23 | 11.1 | 0 | 0 | 25* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.8 | 3 | 8 | 3 | 0 | 3 | ||
| 125.1 | 43 | 1 | 13 | 7.0 | 47 | 18 | 22 | 3 | 3 | 2 | 0 | 0 | 0 | 15 | 22 | 17 | 16 | 12 | 5 | 0 | 0 | 0 | 7.3 | 0 | 7 | 24 | 1 | 0 | |
| 87.0 | 31 | 2 | 11 | 5.0 | 111 | 33 | 03 | 11 | 7 | 4 | 1 | 0 | 0 | 38 | 30* | 31 | 31 | 31 | 30 | 20 | 0 | 0 | 7.9 | 0 | 15 | 26 | 0 | 1 | |