月ごとの値
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倶知安（後志地方) 1979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 | ||||||||||||||||||||||||||||
| 59.0 | 20 | 8 | 6 | 313 | 34 | 19 | 21 | 17 | 13 | 7 | 0 | 0 | 105 | 23* | 31 | 31 | 31 | 31 | 31 | 20 | 7 | 8.3 | 2 | 20 | 29 | 0 | 0 | ||
| 89.1 | 30 | 6 | 10 | 243 | 42 | 06 | 17 | 14 | 10 | 4 | 0 | 0 | 148 | 19 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 8.6 | 0 | 20 | 25 | 0 | 0 | ||
| 147.0 | 40 | 3 | 13 | 113 | 28 | 11 | 14 | 9 | 1 | 1 | 0 | 0 | 114 | 12 | 31 | 31 | 31 | 31 | 31 | 31 | 19 | 7.6 | 1 | 16 | 28 | 1 | 0 | ||
| 174.0 | 44 | 4 | 15 | 29 | 17 | 03 | 3 | 2 | 1 | 0 | 0 | 0 | 84 | 04 | 15 | 13 | 13 | 12 | 10 | 7 | 0 | 6.7 | 4 | 11 | 11 | 1 | 0 | ||
| 206.8 | 46 | 4 | 17 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.0 | 3 | 15 | 0 | 1 | 0 | ||||
| 192.3 | 42 | 4 | 17 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.9 | 4 | 14 | 0 | 3 | 0 | ||||
| 198.4 | 43 | 4 | 18 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.2 | 1 | 15 | 0 | 5 | 1 | ||||
| 225.1 | 52 | 5 | 22 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.4 | 2 | 12 | 0 | 3 | 0 | ||||
| 188.3 | 50 | 1 | 19 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.0 | 1 | 11 | 0 | 4 | 2 | ||||
| 148.0 | 43 | 3 | 16 | 7 | 7 | 31 | 1 | 1 | 0 | 0 | 0 | 0 | 5 | 31 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 6.8 | 3 | 12 | 2 | 3 | 4 | ||
| 69.1 | 24 | 5 | 6 | 101 | 29 | 13 | 7 | 7 | 4 | 2 | 0 | 0 | 24 | 14 | 21 | 18 | 10 | 8 | 4 | 0 | 0 | 8.2 | 2 | 20 | 15 | 0 | 1 | ||
| 49.7 | 18 | 7 | 4 | 221 | 39 | 16 | 17 | 15 | 8 | 3 | 0 | 0 | 58 | 16 | 28 | 28 | 25 | 24 | 20 | 2 | 0 | 8.7 | 0 | 23 | 21 | 2 | 1 | ||