年ごとの値
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留萌（留萌地方) 年ごとの値 詳細（気圧・降水量）
| 年 | 気圧(hPa) | 降水量(mm) | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 現地 | 海面 | 合計 | 最大 | 各階級の日数 | |||||||||||||||||
| 平均 | 平均 | 最低 | 日 | 24時間 | 1時間 | 10分間 | ≧0.0mm | ≧0.5mm | ≧1.0mm | ≧10.0mm | ≧30.0mm | ≧50.0mm | ≧70.0mm | ≧100.0mm | |||||||
| 値 | 日 | 値 | 日 | 値 | 月日時-月日時 | 値 | 月日 | 値 | 月日 | ||||||||||||
| 1012.2 | 1264.8 | 82.1 | 7/22 | - | 30.4 ] | 7/30 | 8.9 ] | 7/30 | 264 | 194 | 175 | 36 | 4 | 3 | 1 | 0 | |||||
| 1011.6 | 1289.1 | 44.7 | 8/26 | - | 29.4 ] | 7/19 | 14.7 ] | 7/19 | 257 | 194 | 170 | 37 | 4 | 0 | 0 | 0 | |||||
| 1011.3 | 1581.6 | 64.3 | 8/27 | - | 19.7 ] | 9/6 | 9.3 ] | 9/6 | 281 | 213 | 188 | 51 | 6 | 1 | 0 | 0 | |||||
| 1011.5 | 1660.5 | 111.5 | 7/21 | - | 39.0 ] | 7/21 | 9.7 ] | 10/3 | 266 | 209 | 186 | 56 | 7 | 1 | 1 | 1 | |||||
| 1011.4 | 1815.5 | 76.6 | 8/15 | - | 25.4 ] | 9/5 | 11.0 ] | 9/5 | 261 | 218 | 202 | 59 | 10 | 2 | 1 | 0 | |||||
| 1013.0 | 1221.1 | 58.3 | 8/27 | - | 23.6 ] | 8/28 | 15.0 ] | 8/28 | 249 | 197 | 176 | 34 | 3 | 1 | 0 | 0 | |||||
| 1012.0 | 1308.3 | 44.9 | 11/18 | - | 18.2 ] | 9/24 | 6.8 ] | 9/12 | 249 | 195 | 177 | 41 | 5 | 0 | 0 | 0 | |||||
| 1009.4 | 1012.3 | 1225.8 | 36.2 | 12/31 | - | 10.9 ] | 8/23 | 5.4 ] | 9/29 * | 245 | 179 | 162 | 45 | 4 | 0 | 0 | 0 | ||||
| 1009.3 | 1012.2 | 1387.5 | 97.3 | 9/2 | - | 29.6 ] | 9/1 | 15.0 ] | 9/4 | 261 | 201 | 169 | 38 | 8 | 1 | 1 | 0 | ||||
| 1010.1 | 1013.0 | 1252.2 | 31.7 | 9/8 | - | 14.4 ] | 9/8 | 6.2 ] | 9/15 * | 259 | 213 | 193 | 37 | 2 | 0 | 0 | 0 | ||||
| 1010.4 | 1013.3 | 1509.6 | 123.9 | 7/31 | - | 43.4 ] | 7/20 | 15.6 ] | 7/31 | 264 | 196 | 180 | 38 | 4 | 3 | 2 | 2 | ||||
| 1010.8 | 1013.7 | 1153.9 | 61.5 | 8/14 | - | 20.0 ] | 8/14 | 6.9 ] | 9/24 | 250 | 180 | 156 | 30 | 2 | 1 | 0 | 0 | ||||
| 1008.8 | 1011.7 | 1899.1 | 112.0 | 7/3 | - | 30.3 ] | 8/17 | 11.8 ] | 8/17 | 269 | 213 | 192 | 48 | 8 | 4 | 3 | 2 | ||||
| 1008.6 | 1011.6 | 1434.3 | 57.0 | 7/26 | - | 13.1 ] | 7/26 | 5.4 ] | 10/14 | 274 | 198 | 187 | 47 | 5 | 1 | 0 | 0 | ||||
| 1008.7 | 1011.6 | 1241.2 | 44.6 | 9/17 | - | 20.5 ] | 8/7 | 10.0 ] | 8/7 | 253 | 184 | 162 | 39 | 3 | 0 | 0 | 0 | ||||
| 1009.4 | 1012.3 | 1167.0 | 65.1 | 8/27 | - | 12.6 ] | 8/27 | 4.5 ] | 10/2 | 263 | 182 | 167 | 33 | 1 | 1 | 0 | 0 | ||||
| 1009.7 | 1012.6 | 1214.7 | 54.0 | 7/29 | - | 13.2 ] | 9/6 | 6.4 ] | 9/19 | 265 | 198 | 171 | 34 | 3 | 1 | 0 | 0 | ||||
| 1009.6 | 1012.5 | 1153.8 | 52.8 | 5/16 | - | 17.9 ] | 9/3 | 7.5 ] | 9/3 | 273 | 209 | 184 | 35 | 2 | 1 | 0 | 0 | ||||
| 1008.8 | 1011.7 | 965.7 | 9/17 | 1313.7 | 63.1 | 7/25 | 78.9 ] | 7/25 05- 7/26 05 | 19.4 ] | 7/2 | 8.8 ] | 7/25 | 249 | 191 | 174 | 41 | 4 | 2 | 0 | 0 | |
| 1008.5 | 1011.4 | -- | 1594.8 | 96.1 | 7/31 | 102.6 | 7/31 04- 8/01 04 | 45.0 | 7/31 | 10.4 | 7/31 | 277 | 210 | 190 | 50 | 4 | 2 | 2 | 0 | ||
| 1008.6 | 1011.6 | -- | 1256.9 | 60.5 | 10/1 | 57.5 | 10/01 10-10/02 07 | 22.5 | 9/3 | 11.8 | 9/3 | 254 | 174 | 154 | 40 | 3 | 1 | 0 | 0 | ||
| 1011.5 | 1014.4 | -- | 1407.8 | 75.0 | 8/22 | 65.5 ] | 8/21 14- 8/22 14 | 14.0 | 8/11 | 7.4 | 8/21 | 251 | 188 | 164 | 42 | 9 | 2 | 1 | 0 | ||
| 1007.4 | 1010.3 | -- | 1502.4 | 67.3 | 9/18 | 69.2 ] | 9/18 00- 9/18 21 | 19.4 | 11/7 | 9.7 | 8/26 | 279 | 218 | 196 | 45 | 4 | 1 | 0 | 0 | ||
| 1007.9 | 1010.8 | -- | 1647.8 | 68.9 | 8/12 | 66.6 | 8/11 20- 8/12 19 | 17.5 | 8/12 | 6.4 | 9/14 | 286 | 222 | 202 | 53 | 7 | 1 | 0 | 0 | ||
| 1009.3 | 1012.2 | -- | 1150.1 | 31.9 | 9/16 | 28.7 | 8/27 06- 8/27 12 | 16.3 | 8/27 | 7.0 | 8/27 | 261 | 186 | 163 | 35 | 2 | 0 | 0 | 0 | ||
| 1009.6 | 1012.5 | -- | 1029.0 | 34.0 | 9/28 | 43.0 | 9/28 07- 9/29 07 | 14.0 | 9/28 | 7.0 | 8/9 | 231 | 170 | 154 | 34 | 3 | 0 | 0 | 0 | ||
| 1008.9 | 1011.8 | 979.3 | 3/21 | 1369.0 | 43.5 | 8/31 | 42.5 ] | 9/25 08- 9/26 07 | 11.0 | 8/31 | 5.0 | 9/12 | 279 | 219 | 193 | 49 | 2 | 0 | 0 | 0 | |
| 1009.3 | 1012.1 | 966.2 | 2/1 | 1590.5 | 80.0 | 6/26 | 81.5 | 6/25 18- 6/26 17 | 16.0 | 9/2 | 7.5 | 9/2 | 249 | 201 | 177 | 54 | 7 | 1 | 1 | 0 | |
| 1009.1 | 1012.1 | -- | 1130.0 | 44.0 | 9/5 | 61.5 | 9/04 13 *- 9/05 12 * | 21.0 | 8/15 | 6.5 | 8/15 | 265 | 196 | 173 | 36 | 2 | 0 | 0 | 0 | ||
| 1009.3 | 1012.2 | 979.3 | 2/28 | 1226.5 | 69.5 | 9/24 | 75.5 | 9/23 21- 9/24 20 | 24.0 | 8/14 | 12.0 | 8/14 | 262 | 201 | 169 | 33 | 4 | 1 | 0 | 0 | |
| 1008.4 | 1011.3 | -- | 1454.5 | 147.5 | 8/18 | 157.0 | 8/17 19- 8/18 19 | 31.0 | 8/18 | 10.0 | 8/18 | 261 | 197 | 180 | 50 | 6 | 2 | 1 | 1 | ||
| 1009.0 | 1011.9 | -- | 1153.5 | 48.0 | 8/6 | 48.0 | 8/06 06- 8/07 06 | 15.0 | 8/6 * | 8.0 | 6/2 | 263 | 208 | 190 | 32 | 2 | 0 | 0 | 0 | ||
| 1009.8 | 1012.7 | -- | 1362.5 | 91.0 | 8/23 | 98.0 | 8/22 18- 8/23 18 | 25.0 | 9/4 | 10.0 | 9/8 | 264 | 189 | 165 | 38 | 6 | 2 | 2 | 0 | ||
| 1009.0 | 1011.9 | 978.1 | 10/21 | 1215.5 | 40.5 | 7/31 | 41.0 | 10/14 23-10/15 19 | 25.0 | 8/28 | 12.5 | 8/28 | 269 | 189 | 169 | 39 | 6 | 0 | 0 | 0 | |
| 1010.1 | 1013.0 | -- | 1065.5 | 52.5 | 9/15 | 55.0 | 9/15 04- 9/16 04 | 15.0 | 9/15 * | 7.0 | 9/15 | 261 | 190 | 167 | 33 | 4 | 1 | 0 | 0 | ||
| 1008.6 | 1011.5 | -- | 1113.5 | 108.0 | 8/10 | 108.0 | 8/10 05- 8/10 24 | 39.0 | 8/10 | 9.5 | 8/10 | 263 | 190 | 171 | 31 | 3 | 1 | 1 | 1 | ||
| 1009.4 | 1012.3 | 973.9 | 3/31 | 1048.0 | 45.5 | 10/19 | 60.0 | 10/19 10-10/20 07 | 17.0 | 7/30 | 6.5 | 9/16 | 269 | 186 | 165 | 29 | 3 | 0 | 0 | 0 | |
| 1008.6 | 1011.7 | 979.8 | 5/26 | 1162.5 | 30.0 | 6/18 | 50.0 | 6/17 11- 6/18 11 | 14.0 | 9/5 | 5.0 | 9/5 | 265 | 189 | 172 | 38 | 1 | 0 | 0 | 0 | |
| 1007.7 | 1011.1 | 969.2 | 8/23 | 1577.0 | 138.0 | 8/5 | 141.5 | 8/04 16- 8/05 16 | 22.5 | 9/23 | 12.5 | 9/23 | 270 | 193 | 171 | 41 | 7 | 7 | 1 | 1 | |
| 1009.2 | 1012.6 | -- | 929.0 | 64.0 | 9/13 | 64.0 | 9/13 01- 9/14 01 | 10.0 | 9/13 | 6.0 | 7/22 | 240 | 174 | 147 | 26 | 2 | 1 | 0 | 0 | ||
| 1008.6 | 1012.1 | -- | 932.0 | 35.5 | 10/9 | 41.1 | 9/12 18- 9/13 06 | 10.5 | 9/3 * | 4.5 | 9/3 | 272 | 183 | 156 | 28 | 1 | 0 | 0 | 0 | ||
| 1009.6 | 1013.0 | -- | 819.0 | 54.0 | 7/3 | 54.5 | 7/02 23- 7/03 17 | 24.5 | 9/11 | 9.0 | 9/11 | 250 | 178 | 146 | 18 | 3 | 1 | 0 | 0 | ||
| 1009.4 | 1012.8 | -- | 1126.5 | 40.5 | 7/23 | 56.5 | 9/07 13- 9/08 10 | 21.5 | 7/23 | 8.5 | 9/11 | 275 | 192 | 170 | 33 | 4 | 0 | 0 | 0 | ||
| 1008.6 | 1012.0 | -- | 1140.0 | 46.5 | 9/8 | 46.5 | 9/08 11- 9/08 14 | 33.0 | 9/8 | 13.5 | 9/8 | 270 | 181 | 163 | 35 | 3 | 0 | 0 | 0 | ||
| 1008.7 | 1012.2 | -- | 1151.0 | 47.5 | 7/30 | 48.5 | 7/30 07- 7/31 05 | 21.5 | 7/30 | 8.0 | 8/24 | 277 | 177 | 158 | 34 | 4 | 0 | 0 | 0 | ||
| 1008.4 | 1011.8 | -- | 1184.0 | 113.0 | 8/25 | 138.0 | 8/25 14- 8/26 11 | 57.5 | 8/25 | 14.0 | 8/25 | 266 | 190 | 167 | 34 | 3 | 1 | 1 | 1 | ||
| 1009.8 | 1013.2 | -- | 1338.5 | 80.5 | 8/23 | 81.0 | 8/22 23- 8/23 23 | 29.0 | 8/23 | 11.5 | 8/29 | 256 | 181 | 159 | 40 | 9 | 2 | 1 | 0 | ||
| 1010.0 | 1013.4 | 977.8 | 11/10 | 1188.5 | 83.0 | 7/25 | 89.5 | 7/25 03- 7/26 03 | 37.5 | 8/23 | 14.5 | 7/25 | 261 | 180 | 152 | 34 | 4 | 2 | 1 | 0 | |
| 1008.7 | 1012.1 | 975.5 | 9/28 | 1225.5 | 106.0 | 9/6 | 127.5 | 9/05 22- 9/06 22 | 30.5 | 9/24 | 9.0 | 9/24 * | 279 | 196 | 169 | 34 | 5 | 1 | 1 | 1 | |
| 1009.0 | 1012.5 | -- | 1290.0 | 57.0 | 9/25 | 64.0 | 7/30 09- 7/31 08 | 23.5 | 7/30 | 11.0 | 9/12 | 281 | 198 | 174 | 36 | 7 | 1 | 0 | 0 | ||
| 1008.6 | 1012.1 | 970.5 | 1/29 | 1055.0 | 40.0 | 8/11 | 46.5 | 8/11 07- 8/12 03 | 15.0 | 9/26 | 12.0 | 9/20 | 266 | 187 | 152 | 34 | 3 | 0 | 0 | 0 | |
| 1008.3 | 1011.7 | 969.0 | 2/22 | 1334.0 | 84.0 | 8/12 | 88.5 | 8/11 16- 8/12 13 | 47.5 | 8/12 | 15.0 | 8/14 * | 268 | 206 | 179 | 39 | 5 | 3 | 1 | 0 | |
| 1007.6 | 1011.0 | 966.5 | 11/8 | 1184.5 | 57.5 | 8/27 | 58.5 | 8/27 01- 8/28 01 | 45.0 | 8/27 | 14.0 | 8/27 | 289 | 196 | 168 | 42 | 4 | 1 | 0 | 0 | |
| 1008.4 | 1011.8 | 979.9 | 1/10 | 1097.5 | 45.0 | 9/25 | 49.5 | 9/25 02- 9/26 02 | 18.0 | 9/25 | 7.5 | 9/26 * | 285 | 215 | 181 | 26 | 3 | 0 | 0 | 0 | |
| 1008.5 | 1011.9 | -- | 1041.0 | 64.5 | 8/5 | 68.0 | 8/05 07- 8/06 05 | 38.0 | 8/7 | 10.5 | 8/7 | 283 | 187 | 161 | 30 | 2 | 2 | 0 | 0 | ||
| 1010.3 | 1013.7 | -- | 1209.0 | 70.5 | 9/16 | 73.5 | 9/16 01- 9/17 01 | 23.5 | 9/15 | 12.0 | 9/15 | 253 | 173 | 148 | 28 | 9 | 2 | 1 | 0 | ||
| 1008.6 | 1012.0 | 980.0 | 3/6 | 1213.0 | 69.5 | 7/28 | 88.0 | 7/28 15- 7/29 04 | 42.0 | 7/28 | 15.5 | 8/6 | 284 | 209 | 178 | 34 | 5 | 1 | 0 | 0 | |
| 1008.5 | 1011.9 | 985.3 | 12/24 | 1427.0 | 84.0 | 9/2 | 94.5 | 9/01 21- 9/02 21 | 25.0 | 8/23 | 15.5 | 7/25 | 299 | 223 | 187 | 50 | 3 | 2 | 1 | 0 | |
| 1008.5 | 1011.9 | 986.0 | 3/5 | 1211.0 | 73.5 | 9/10 | 82.5 | 9/10 09- 9/11 09 | 23.5 | 7/5 | 7.0 | 9/9 | 268 | 211 | 173 | 36 | 5 | 2 | 1 | 0 | |
| 1008.4 | 1011.8 | 980.8 | 10/2 | 1176.5 | 46.5 | 10/29 | 51.5 | 10/29 03-10/30 03 | 22.0 | 8/6 | 10.0 | 8/6 | 283 | 199 | 170 | 34 | 4 | 0 | 0 | 0 | |
| 1009.8 | 1013.2 | 978.6 | 1/28 | 942.0 | 56.5 | 8/8 | 62.5 | 7/10 10- 7/11 03 | 23.0 | 8/8 | 8.0 | 9/18 | 247 | 174 | 142 | 30 | 2 | 2 | 0 | 0 | |
| 1008.5 | 1011.9 | 970.6 | 9/8 | 1054.5 | 33.0 | 2/23 | 53.0 | 2/22 13- 2/23 13 | 12.5 | 8/21 | 5.0 | 8/15 | 285 | 187 | 153 | 37 | 1 | 0 | 0 | 0 | |
| 1007.4 | 1010.9 | 983.2 | 11/29 | 1170.0 | 57.5 | 8/3 | 62.5 | 8/02 21- 8/03 19 | 14.5 | 8/19 | 8.5 | 8/19 | 264 | 192 | 163 | 43 | 3 | 1 | 0 | 0 | |
| 1009.2 | 1012.7 | 985.8 | 3/29 | 910.5 | 36.5 | 9/5 | 39.0 | 9/04 17- 9/05 12 | 10.0 | 9/5 | 4.5 | 6/17 | 264 | 190 | 167 | 22 | 1 | 0 | 0 | 0 | |
| 1008.8 | 1012.3 | 973.7 | 1/7 | 858.0 | 79.0 | 9/25 | 79.0 | 9/25 05- 9/25 14 | 42.5 | 9/25 | 11.0 | 9/25 | 271 | 183 | 148 | 19 | 2 | 1 | 1 | 0 | |
| 1009.4 | 1012.7 | 990.2 | 1/1 | 899.5 | 45.0 | 8/29 | 45.0 | 8/29 06- 8/29 12 | 26.0 | 8/29 | 8.0 | 10/26 | 257 | 168 | 142 | 27 | 2 | 0 | 0 | 0 | |
| 1008.9 | 1011.9 | 978.4 | 12/31 | 1057.5 | 55.0 | 7/19 | 55.5 | 7/19 01- 7/20 01 | 18.0 | 8/15 | 6.5 | 8/15 | 284 | 202 | 168 | 30 | 2 | 1 | 0 | 0 | |
| 1009.3 | 1012.2 | 970.9 | 3/21 | 1069.5 | 83.5 | 7/29 | 83.5 | 7/29 05- 7/29 21 | 22.0 | 9/6 | 11.5 | 9/6 | 266 | 190 | 163 | 33 | 3 | 1 | 1 | 0 | |
| 1008.7 | 1011.7 | 984.7 | 5/13 | 1396.0 | 144.5 | 9/2 | 146.0 ] | 9/02 02- 9/03 02 | 22.5 | 9/17 | 10.5 | 9/17 | 275 | 204 | 170 | 40 | 7 | 2 | 2 | 1 | |
| 1009.3 | 1012.3 | 967.8 | 4/4 | 1270.0 | 113.5 | 7/31 | 133.0 ] | 7/31 08- 8/01 08 | 38.0 ] | 7/31 | 14.5 ] | 7/31 | 260 | 172 | 152 | 38 | 5 | 1 | 1 | 1 | |
| 1008.0 | 1011.0 | 974.4 | 4/7 | 1347.0 | 44.0 ] | 9/4 * | 68.0 ] | 9/04 02- 9/05 02 | 25.5 | 8/10 | 14.0 | 9/5 | 279 | 214 | 179 | 46 | 5 | 0 | 0 | 0 | |
| 1008.9 | 1012.0 | 980.4 | 12/17 | 1193.0 | 81.5 | 8/5 | 132.0 ] | 8/04 17- 8/05 14 | 28.5 | 7/23 | 14.0 | 7/23 | 243 | 173 | 148 | 35 | 5 | 2 | 1 | 0 | |
| 1009.3 | 1012.4 | 971.7 | 10/2 | 1258.5 | 92.0 | 7/22 | 100.5 | 7/21 20- 7/22 11 | 32.5 | 7/22 | 9.5 | 9/28 | 260 | 185 | 161 | 34 | 4 | 2 | 1 | 0 | |
| 1009.8 | 1012.9 | 983.9 | 2/14 | 1165.0 | 54.0 | 8/20 | 65.5 | 7/27 16- 7/28 15 | 18.5 | 8/20 | 8.0 | 9/16 | 261 | 198 | 169 | 32 | 3 | 1 | 0 | 0 | |
| 1008.2 | 1011.3 | 973.8 | 12/25 | 1055.5 | 56.5 | 8/12 | 62.0 | 8/11 19- 8/12 15 | 16.5 | 8/25 | 7.0 | 8/25 | 269 | 190 | 159 | 34 | 2 | 1 | 0 | 0 | |
| 1009.4 | 1012.5 | 972.4 | 3/2 | 1386.5 | 99.5 | 7/3 | 146.0 | 7/02 12- 7/03 08 | 23.5 | 7/3 | 12.0 | 8/22 | 271 | 201 | 171 | 39 | 8 | 3 | 1 | 0 | |
| 1009.3 | 1012.4 | 987.8 | 4/5 | 1004.0 | 64.5 | 8/9 | 108.0 | 8/08 13- 8/09 10 | 22.0 | 8/9 | 6.5 | 7/26 | 251 | 170 | 146 | 26 | 5 | 3 | 0 | 0 | |
| 1009.7 | 1012.8 | 978.8 | 3/11 | 1121.5 | 84.0 | 8/5 | 84.0 | 8/05 00- 8/05 23 | 45.0 | 8/5 | 9.5 | 8/5 | 265 | 200 | 166 | 34 | 3 | 1 | 1 | 0 | |
| 1009.6 | 1012.7 | 966.5 | 2/16 | 1133.5 | 51.0 ] | 9/12 | 60.0 ] | 10/10 20-10/11 06 | 22.5 ] | 10/11 | 9.0 | 10/10 | 231 | 172 | 146 | 33 | 7 | 1 | 0 | 0 | |
| 1009.0 | 1012.1 | 977.8 | 1/12 | 993.0 | 52.5 | 9/19 | 64.0 | 9/19 08- 9/20 04 | 17.0 | 8/8 | 8.5 | 8/8 | 261 | 189 | 151 | 27 | 4 | 1 | 0 | 0 | |
| 1009.3 | 1012.4 | 979.3 | 10/6 | 1317.0 ] | 77.0 ] | 9/12 | 84.0 ] | 8/05 09- 8/06 09 | 28.5 ] | 9/12 | 9.0 ] | 9/12 | 255 | 199 | 166 | 42 | 7 ] | 2 ] | 1 ] | 0 ] | |
| 1009.7 | 1012.7 | 985.2 | 7/1 | 1257.5 ] | 109.5 ] | 7/24 | 145.5 ] | 7/23 16- 7/24 09 | 52.5 ] | 7/24 | 12.5 ] | 7/24 | 245 | 196 | 168 | 39 ] | 6 ] | 2 ] | 1 ] | 1 ] | |
| 1008.3 ] | 1011.5 ] | 978.1 ] | 2/5 | 257.0 ] | 30.0 ] | 4/16 | 30.0 ] | 4/16 00- 4/16 24 | 5.0 ] | 4/19 | 1.5 ] | 3/22 * | 104 ] | 78 ] | 62 ] | 7 ] | 1 ] | 0 ] | 0 ] | 0 ] | |
- 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。
赤実線の前後では観測データや観測史上1位などの極値を比較できませんが、赤点線の前後では極値を比較できます。 - 上記とは別に、最大1時間降水量と最大24時間降水量は、単位時間や日界の異なる統計も行っています。この値は、「詳細（N時間降水量）」で確認できます。