年ごとの値
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宮古島（沖縄県) 年ごとの値 詳細（日照・雪・その他）
| 年 | 日照時間(h) | 全天日射量 (MJ/m2) | 蒸気圧 (hPa) | 雪(寒候年・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 (寒候年) | 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 | |||||||||||||||||||||||||||||
| 2081.1 | 47 | 59 | 22.6 | × | × | 0 ] | 0 ] | 0 ] | 0 ] | 0 ] | 0 ] | 0 ] | 6.7 | 0 ] | 5 | 22 | ||||||||||||||
| 1871.4 | 42 | 55 | 22.5 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.8 | 0 | 4 | 23 | |||||||||||||||
| 2100.0 | 47 | 26 | 22.1 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.1 | 0 | 5 | 20 | |||||||||||||||
| 1820.7 | 41 | 49 | 23.9 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.5 | 0 | 1 | 37 | |||||||||||||||
| 2069.8 | 47 | 57 | 23.1 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.1 | 0 | 0 | 20 | |||||||||||||||
| 1897.0 | 43 | 69 | 22.6 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.2 | 0 | 3 | 14 | |||||||||||||||
| 1856.9 | 42 | 73 | 22.9 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.2 | 0 | 4 | 22 | |||||||||||||||
| × | × | × | × | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | × | 0 | × | × | |||||||||||||||
| 1218.4 ] | 55 ] | 9 ] | 23.1 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.9 | 0 | 0 | 11 | |||||||||||||||
| 1842.3 | 42 | 54 | 22.3 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.4 | 0 | 0 | 18 | |||||||||||||||
| 1996.7 | 45 | 49 | 22.5 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.9 | 0 | 0 | 16 | |||||||||||||||
| 1620.6 | 37 | 62 | 22.8 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.4 | 0 | 2 | 17 | |||||||||||||||
| 1639.9 | 37 | 65 | 22.7 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.3 | 0 | 0 | 26 | |||||||||||||||
| 1793.9 | 41 | 59 | 23.5 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.6 | 0 | 6 | 22 | |||||||||||||||
| 1665.2 | 38 | 87 | 23.7 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.5 | 0 | 0 | 24 | |||||||||||||||
| 1557.4 | 35 | 81 | 23.5 | × | × | × | 0 ] | 0 ] | 0 ] | 0 ] | 0 ] | 0 ] | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.8 | 0 | 0 | 18 | ||||||
| 1729.4 | 39 | 69 | 24.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.4 | 0 | 0 | 34 | |||||||
| 1612.6 | 36 | 75 | 23.0 | 0 | 0 | 2/21 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.0 | 0 | 0 | 25 | ||||||
| 1727.5 | 39 | 80 | 23.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.8 | 0 | 1 | 14 | |||||||
| 2003.7 | 45 | 50 | 23.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.5 | 0 | 0 | 13 | |||||||
| 2136.4 | 48 | 34 | 23.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.4 | 0 | 4 | 21 | |||||||
| 2036.7 | 46 | 30 | 24.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.6 | 0 | 0 | 24 | |||||||
| 2147.8 | 48 | 34 | 23.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.2 | 0 | 0 | 19 | |||||||
| 2072.0 | 47 | 49 | 215 | 10.6 | 24.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.4 | 3 | 164 | 0 | 0 | 27 | |||
| 2257.4 | 51 | 42 | 238 | 10.9 | 23.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.9 | 5 | 133 | 0 | 0 | 25 | |||
| 2604.0 | 59 | 26 | 261 | 10.3 ] | 22.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.0 | 16 | 83 | 0 | 0 | 11 | |||
| 2375.7 | 54 | 49 | 244 | 15.4 | 23.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.9 | 5 | 138 | 0 | 1 | 26 | |||
| 2268.5 | 51 | 34 | 228 | 14.9 | 22.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.0 | 5 | 146 | 0 | 2 | 29 | |||
| 2115.4 | 48 | 53 | 214 | 13.8 | 24.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.4 | 3 | 173 | 0 | 1 | 23 | |||
| 2325.2 | 53 | 47 | 234 | 13.9 | 23.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.2 | 7 | 154 | 0 | 0 | 6 | |||
| 2315.3 | 52 | 34 | 241 | 13.6 | 22.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.0 | 6 | 153 | 0 | 2 | 21 | |||
| 1921.3 | 43 | 49 | 189 | 12.3 | 23.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.5 | 3 | 164 | 0 | 1 | 16 | |||
| 1771.9 | 40 | 79 | 179 | 11.0 | 23.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.7 | 2 | 185 | 0 | 0 | 19 | |||
| 2093.8 | 47 | 49 | 220 | 12.3 | 22.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.9 | 3 | 130 | 0 | 0 | 4 | |||
| 1882.5 | 42 | 50 | 195 | 11.3 | 23.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.2 | 7 | 147 | 0 | 0 | 15 | |||
| 1824.4 | 41 | 55 | 189 | 10.6 | 23.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.8 | 2 | 181 | 0 | 0 | 35 | |||
| 2009.2 | 46 | 50 | 205 | 11.9 | 23.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.4 | 2 | 165 | 0 | 0 | 30 | |||
| 1830.5 | 41 | 37 | 186 | 13.7 | 23.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.8 | 1 | 186 | 0 | 1 | 27 | |||
| 1982.3 | 45 | 44 | 207 | 13.9 | 22.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.0 | 4 | 130 | 0 | 2 | 17 | |||
| 2131.4 | 48 | 41 | 214 | 13.8 | 23.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.6 | 6 | 126 | 0 | 0 | 23 | |||
| 1811.0 | 41 | 54 | 184 | 13.7 ] | 23.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.2 | 7 | 160 | 0 | 1 | 25 | |||
| 1866.0 | 42 | 51 | 184 | 23.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.0 | 5 | 143 | 0 | 1 | 28 | ||||
| 2016.0 | 45 | 49 | 204 | 23.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.8 | 5 | 129 | 0 | 0 | 41 | ||||
| 1993.3 | 45 | 50 | 199 | 15.8 ] | 22.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.8 | 8 | 137 | 0 | 0 | 27 | |||
| 2083.8 | 47 | 49 | 218 | 14.3 | 23.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.7 | 8 | 126 | 0 | 0 | 18 | |||
| 1944.5 | 44 | 56 | 191 | 13.3 | 23.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.0 | 3 | 144 | 0 | 1 | 36 | |||
| 2003.6 | 45 | 54 | 204 | 13.6 | 23.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.2 | 3 | 152 | 0 | 1 | 27 | |||
| 2093.5 | 47 | 48 | 206 | 14.7 | 23.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.1 | 6 | 144 | 0 | 0 | 22 | |||
| 1826.7 | 41 | 46 | 188 | 14.8 | 22.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.8 | 9 | 133 | 0 | 1 | 21 | |||
| 1851.9 | 42 | 41 | 203 | 14.6 | 24.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.8 | 6 | 128 | 0 | 1 | 32 | |||
| 1632.3 | 37 | 55 | 175 | 13.3 | 24.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.4 | 4 | 171 | 0 | 0 | 29 | |||
| 1750.1 | 40 | 47 | 179 | 15.0 | 23.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.9 | 13 | 137 | 0 | 0 | 34 | |||
| 1754.1 | 40 | 41 | 187 | 14.7 | 24.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.0 | 4 | 143 | 0 | 0 | 21 | |||
| 1857.3 | 42 | 42 | 188 | 14.6 | 24.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.7 | 9 | 124 | 0 | 1 | 21 | |||
| 1622.4 | 37 | 59 | 160 | 14.1 | 23.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.1 | 13 | 159 | 0 | 0 | 35 | |||
| 1839.6 | 42 | 42 | 195 | 15.5 | 23.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.0 | 4 | 144 | 0 | 3 | 26 | |||
| 1780.1 | 40 | 45 | 190 | 15.1 | 23.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.8 | 4 | 134 | 0 | 0 | 19 | |||
| 1640.0 | 37 | 50 | 167 | 14.6 | 23.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.7 | 2 | 177 | 0 | 0 | 21 | |||
| 1850.6 | 42 | 45 | 183 | 15.5 | 23.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.9 | 14 | 149 | 0 | 1 | 15 | |||
| 1751.8 | 40 | 47 | 188 | 15.4 | 23.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.9 | 11 | 150 | 0 | 0 | 21 | |||
| 1750.0 | 40 | 49 | 179 | 15.3 | 25.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.4 | 6 | 175 | 0 | 0 | 47 | |||
| 1690.9 | 38 | 47 | 177 | 15.2 | 23.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.5 | 7 | 166 | 0 | 0 | 28 | |||
| 1580.5 | 36 | 57 | 159 | 14.3 | 23.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.5 | 2 | 173 | 0 | 1 | 25 | |||
| 1742.7 | 39 | 39 | 183 | 14.9 | 22.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.0 | 6 | 133 | 0 | 0 | 30 | |||
| 1840.3 | 42 | 44 | 191 | 15.3 | 22.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.5 | 10 | 127 | 0 | 0 | 19 | |||
| 1869.2 | 42 | 40 | 194 | 15.4 | 22.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.7 | 10 | 118 | 0 | 0 | 10 | |||
| 1809.1 | 41 | 54 | 191 | 14.9 | 22.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.9 | 7 | 142 | 0 | 1 | 12 | |||
| 1627.9 | 37 | 59 | 167 | 14.4 | 22.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.4 | 3 | 160 | 0 | 0 | 33 | |||
| 1658.8 | 38 | 65 | 171 | 14.5 | 23.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.4 | 5 | 174 | 0 | 0 | 30 | |||
| 1768.5 | 40 | 43 | 181 | 14.8 | 23.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.1 | 8 | 151 | 0 | 0 | 17 | |||
| 1760.2 | 40 | 58 | 189 | 14.9 | 23.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.2 | 4 | 148 | 0 | 0 | 27 | |||
| 1867.9 | 43 | 40 | 198 | 15.7 | 23.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.8 | 6 | 121 | 0 | 0 | 20 | |||
| 1635.4 | 37 | 63 | 180 | 14.1 | 24.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.5 | 4 | 159 | 0 | 0 | 21 | |||
| 1462.0 | 33 | 68 | 149 | 13.7 | 23.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.8 | 4 | 202 | 0 | 0 | 25 | |||
| 1599.0 | 36 | 55 | 172 | 14.2 | 24.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.6 | 4 | 183 | 0 | 0 | 21 | |||
| 1798.8 | 41 | 47 | 190 | 15.1 | 23.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.3 | 2 | 154 | 0 | 2 | 28 | |||
| 1829.5 | 41 | 41 | 193 | 15.1 | 23.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.1 | 5 | 150 | 0 | 0 | 41 | |||
| 1885.8 | 43 | 33 | 195 | 15.4 | 24.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.4 | 6 | 179 | 0 | 0 | 15 | |||
| 1814.6 | 41 | 38 | 188 | 15.1 | 25.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.6 | 6 | 176 | 0 | 2 | 33 | |||
| 1749.0 | 40 | 48 | 183 | 14.8 | 24.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.8 | 5 | 198 | 0 | 3 | 16 | |||
| 1845.0 | 42 | 52 | 194 | 15.3 | 24.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.2 | 7 | 161 | 0 | 2 | 22 | |||
| 1616.0 | 37 | 45 | 167 | 14.5 | 25.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.7 | 4 | 185 | 0 | 2 | 28 | |||
| 1775.3 | 40 | 45 | 186 | 14.9 | 25.0 | × | × | × | 0 ] | 0 ] | 0 ] | 0 ] | 0 ] | 0 ] | × | × | 0 ] | 0 ] | 0 ] | 0 ] | 0 ] | 0 ] | 0 ] | 7.3 ] | 0 ] | 13 ] | 0 ] | 0 ] | 56 ] | |
| 1927.8 | 44 | 28 | 204 | 15.9 | 24.8 | 0 | 3 | 39 ] | ||||||||||||||||||||||
| 1622.4 | 37 | 62 | 170 | 14.2 | 25.4 | 0 | 1 | 60 ] | ||||||||||||||||||||||
| 1794.8 | 41 | 44 | 188 | 15.1 | 24.7 | 0 | 0 ] | 28 | ||||||||||||||||||||||
| 605.2 ] | 38 ] | 18 ] | 62 ] | 13.4 ] | 20.4 ] | 0 ] | 0 ] | 18 ] | ||||||||||||||||||||||
- 寒候年とは、前年8月1日から当年7月31日までの期間のことです。例えば、2008年寒候年は2007年8月1日から2008年7月31日までの期間を示します。
- 値欄の記号の説明
- 赤線は、観測場所を移転した場合、観測装置を変更した場合または観測の時間間隔を変更した場合に、その前後のデータが均質でないことを示します。