観測開始からの毎月の値
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室蘭（胆振地方) 降水量の月合計値（mm）
| 年 | 1月 | 2月 | 3月 | 4月 | 5月 | 6月 | 7月 | 8月 | 9月 | 10月 | 11月 | 12月 | 年の値 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 44.5 | 33.5 | 31.2 | 72.7 | 213.1 | 147.1 | 175.7 | 84.6 | 200.8 | 163.3 | 129.0 | 48.8 | 1344.3 | |
| 56.1 | 66.0 | 52.1 | 51.0 | 54.6 | 83.7 | 96.3 | 142.1 | 106.6 | 125.6 | 61.0 | 50.6 | 945.7 | |
| 23.1 | 35.7 | 102.9 | 24.2 | 87.7 | 38.5 | 61.0 | 114.0 | 75.9 | 102.4 | 164.4 | 152.7 | 982.5 | |
| 84.2 | 38.8 | 35.3 | 40.1 | 59.4 | 60.8 | 143.8 | 197.8 | 254.9 | 227.2 | 53.6 | 60.1 | 1256.0 | |
| 28.9 | 39.2 | 66.5 | 78.1 | 110.4 | 39.7 | 249.8 | 257.0 | 147.8 | 62.3 | 111.3 | 115.2 | 1306.2 | |
| 74.6 | 40.9 | 50.9 | 9.5 | 67.0 | 109.0 | 86.1 | 128.6 | 193.3 | 70.4 | 79.9 | 93.0 | 1003.2 | |
| 70.3 | 47.8 | 31.2 | 88.7 | 57.2 | 68.3 | 16.2 | 234.5 | 28.7 | 64.3 | 93.7 | 112.5 | 913.4 | |
| 28.9 | 61.3 | 118.0 | 46.6 | 83.9 | 52.0 | 125.7 | 141.8 | 115.3 | 72.6 | 111.7 | 35.3 | 993.1 | |
| 97.3 | 38.0 | 36.5 | 114.7 | 148.7 | 310.6 | 145.2 | 142.7 | 151.4 | 68.3 | 79.6 | 36.7 | 1369.7 | |
| 32.2 | 54.7 | 46.6 | 108.2 | 74.3 | 33.4 | 270.2 | 331.3 | 226.9 | 50.6 | 101.9 | 51.4 | 1381.7 | |
| 66.4 | 43.8 | 56.2 | 52.5 | 75.7 | 113.5 | 130.7 | 126.1 | 172.0 | 89.5 | 115.5 | 52.6 | 1094.5 | |
| 43.3 | 33.2 | 109.0 | 26.5 | 138.2 | 55.0 | 130.6 | 73.2 | 269.1 | 50.2 | 82.3 | 19.2 | 1029.8 | |
| 69.6 | 51.0 | 121.0 | 80.9 | 67.6 | 127.8 | 160.8 | 163.3 | 136.9 | 109.4 | 73.5 | 45.4 | 1207.2 | |
| 103.9 | 58.7 | 28.6 | 87.3 | 76.5 | 59.3 | 369.9 | 141.5 | 201.2 | 146.2 | 53.5 | 41.5 | 1368.1 | |
| 43.4 | 107.2 | 55.6 | 42.9 | 80.7 | 16.9 | 198.1 | 107.1 | 154.2 | 56.4 | 34.7 | 78.6 | 975.8 | |
| 83.8 | 74.6 | 31.3 | 31.8 | 175.3 | 84.2 | 65.8 | 27.1 | 117.5 | 57.1 | 92.5 | 85.8 | 926.8 | |
| 159.7 | 39.2 | 63.0 | 86.1 | 82.4 | 266.5 | 227.5 | 108.2 | 141.3 | 19.4 | 43.7 | 49.1 | 1286.1 | |
| 43.4 | 75.8 | 20.6 | 87.3 | 44.1 | 122.5 | 211.7 | 119.7 | 147.0 | 68.2 | 62.1 | 37.7 | 1040.1 | |
| 88.2 | 38.4 | 70.2 | 76.6 | 123.1 | 99.4 | 192.5 | 103.5 | 225.7 | 106.0 | 30.5 | 49.6 | 1203.7 | |
| 74.9 | 35.9 | 57.2 | 50.7 | 39.3 | 104.0 | 99.0 | 184.1 | 178.5 | 114.0 | 187.3 | 45.2 | 1170.1 | |
| 29.2 | 30.6 | 20.1 | 43.0 | 77.9 | 97.5 | 159.9 | 90.8 | 265.6 | 85.0 | 62.6 | 56.8 | 1019.0 | |
| 41.8 | 63.7 | 44.1 | 35.0 | 45.1 | 95.3 | 137.2 | 93.1 | 178.4 | 58.4 | 63.8 | 77.9 | 933.8 | |
| 43.1 | 35.9 | 56.8 | 67.4 | 118.6 | 138.3 | 213.7 | 161.2 | 91.4 | 159.2 | 111.4 | 108.3 | 1305.3 | |
| 64.2 | 27.8 | 76.1 | 44.0 | 86.2 | 63.3 | 162.9 | 11.6 | 68.0 | 125.1 | 60.6 | 90.3 | 880.1 | |
| 48.9 | 31.7 | 47.4 | 135.8 | 76.6 | 146.3 | 202.7 | 160.7 | 275.9 | 104.3 | 97.4 | 117.8 | 1445.5 | |
| 87.7 | 25.5 | 23.1 | 25.4 | 113.8 | 106.1 | 191.7 | 155.3 | 112.2 | 58.6 | 36.7 | 43.1 | 979.2 | |
| 82.5 | 96.5 | 48.7 | 133.2 | 81.8 | 65.2 | 165.7 | 76.1 | 158.8 | 145.2 | 75.2 | 94.4 | 1223.3 | |
| 90.3 | 13.9 | 40.4 | 69.8 | 91.6 | 145.3 | 158.1 | 33.5 | 228.4 | 92.1 | 109.9 | 79.7 | 1153.0 | |
| 58.3 | 71.9 | 76.3 | 87.3 | 69.4 | 101.9 | 150.5 | 112.6 | 127.0 | 62.2 | 119.8 | 29.2 | 1066.4 | |
| 128.8 | 24.8 | 54.5 | 73.9 | 36.6 | 118.4 | 69.7 | 183.6 | 134.0 | 105.9 | 29.8 | 44.7 | 1004.7 | |
| 114.9 | 29.9 | 131.1 | 49.3 | 92.7 | 164.7 | 171.1 | 70.6 | 145.2 | 61.2 | 96.9 | 70.7 | 1198.3 | |
| 66.4 | 92.7 | 49.0 | 78.2 | 55.8 | 138.0 | 120.9 | 180.1 | 112.0 | 125.5 | 40.5 | 79.2 | 1138.3 | |
| 89.0 | 97.9 | 56.6 | 67.9 | 334.3 | 130.0 | 115.6 | 169.9 | 125.9 | 232.8 | 92.5 | 27.9 | 1540.3 | |
| 55.4 | 62.0 | 104.6 | 99.7 | 29.0 | 280.5 | 217.3 | 143.6 | 64.4 | 90.3 | 72.6 | 51.4 | 1270.8 | |
| 29.0 | 41.5 | 61.9 | 51.4 | 154.8 | 26.4 | 134.4 | 264.7 | 225.6 | 197.5 | 31.6 | 76.6 | 1295.4 | |
| 133.8 | 186.9 | 117.7 | 66.2 | 43.1 | 52.4 | 197.5 | 277.5 | 149.9 | 120.8 | 30.5 | 79.2 | 1455.5 | |
| 84.6 | 35.6 | 74.2 | 135.8 | 110.5 | 125.9 | 154.8 | 102.2 | 122.9 | 62.4 | 73.3 | 43.5 | 1125.7 | |
| 66.2 | 29.8 | 53.8 | 134.0 | 139.0 | 181.9 | 67.1 | 126.7 | 106.3 | 78.9 | 79.2 | 34.2 | 1097.1 | |
| 76.3 | 45.7 | 27.5 | 49.4 | 122.9 | 79.6 | 256.5 | 59.9 | 237.1 | 248.6 | 58.3 | 28.8 | 1290.6 | |
| 23.4 | 42.1 | 62.4 | 87.1 | 36.6 | 73.2 | 179.2 | 349.1 | 242.4 | 35.7 | 126.1 | 85.1 | 1342.4 | |
| 35.0 | 60.3 | 50.6 | 92.5 | 147.3 | 213.1 | 220.6 | 69.6 | 80.3 | 80.4 | 58.0 | 74.7 | 1182.4 | |
| 19.3 | 40.1 | 50.2 | 201.1 | 103.8 | 181.3 | 191.0 | 255.2 | 104.9 | 45.3 | 76.8 | 39.5 | 1308.5 | |
| 61.0 | 35.5 | 35.5 | 57.9 | 65.3 | 107.6 | 245.2 | 78.7 | 386.7 | 31.2 | 91.2 | 71.6 | 1267.4 | |
| 65.6 | 40.1 | 140.5 | 131.0 | 99.3 | 191.7 | 230.3 | 236.1 | 139.9 | 110.2 | 73.6 | 60.9 | 1519.2 | |
| 29.0 | 31.8 | 53.6 | 108.7 | 57.9 | 87.6 | 127.8 | 88.6 | 165.0 | 83.9 | 60.9 | 33.1 | 927.9 | |
| 37.0 | 64.5 | 26.0 | 45.0 | 157.5 | 51.5 | 67.0 | 277.5 | 175.5 | 60.5 | 82.5 | 61.5 | 1106.0 | |
| 46.0 | 44.5 | 23.0 | 86.0 | 139.5 | 128.0 | 121.5 | 242.0 | 70.5 | 46.0 | 72.5 | 63.5 | 1083.0 | |
| 166.5 | 60.5 | 46.5 | 44.5 | 66.0 | 123.5 | 240.5 | 130.0 | 163.5 | 92.0 | 53.0 | 38.0 | 1224.5 | |
| 83.5 | 60.0 | 26.5 | 29.0 | 169.0 | 127.5 | 214.5 | 50.5 | 247.5 | 81.5 | 22.5 | 53.0 | 1165.0 | |
| 109.5 | 172.0 | 53.0 | 94.0 | 178.5 | 165.5 | 58.5 | 115.5 | 194.5 | 109.5 | 234.0 | 39.5 | 1524.0 | |
| 102.5 | 43.5 | 108.0 | 78.5 | 84.5 | 6.0 | 50.5 | 375.5 | 271.0 | 205.5 | 76.0 | 30.5 | 1432.0 | |
| 22.0 | 34.0 | 21.0 | 94.5 | 73.0 | 240.0 | 67.5 | 98.5 | 126.0 | 80.0 | 51.0 | 56.5 | 964.0 | |
| 37.5 | 60.5 | 142.5 | 53.0 | 55.0 | 88.0 | 295.5 | 281.5 | 89.0 | 92.5 | 282.5 | 44.5 | 1522.0 | |
| 47.5 | 31.0 | 45.5 | 30.5 | 73.5 | 140.0 | 28.5 | 97.5 | 187.0 | 171.0 | 78.5 | 53.5 | 984.0 | |
| 52.5 | 35.5 | 62.0 | 127.0 | 97.5 | 84.0 | 188.5 | 257.0 | 116.5 | 39.5 | 168.5 | 75.5 | 1304.0 | |
| 56.5 | 32.5 | 89.5 | 43.5 | 104.5 | 142.0 | 106.0 | 128.5 | 48.0 | 127.0 | 86.5 | 73.5 | 1038.0 | |
| 70.5 | 87.0 | 113.0 | 99.5 | 35.0 | 100.5 | 102.0 | 140.5 | 134.5 | 183.5 | 80.5 | 35.5 | 1182.0 | |
| 76.5 | 32.0 | 37.5 | 85.0 | 73.5 | 87.0 | 84.5 | 454.5 | 49.0 | 103.5 | 26.5 | 108.5 | 1218.0 | |
| 72.5 | 35.5 | 50.5 | 136.0 | 140.5 | 133.0 | 139.5 | 573.5 | 170.0 | 59.0 | 47.5 | 37.0 | 1594.5 | |
| 58.5 | 19.5 | 46.0 | 91.5 | 66.0 | 45.5 | 48.5 | 108.0 | 85.0 | 73.5 | 108.0 | 52.0 | 802.0 | |
| 14.5 | 38.5 | 30.0 | 74.0 | 109.0 | 324.5 | 272.0 | 286.5 | 197.0 | 49.5 | 52.0 | 55.5 | 1503.0 | |
| 16.5 | 41.5 | 59.0 | 81.5 | 116.5 | 147.0 | 100.5 | 69.5 | 142.0 | 91.5 | 27.0 | 29.0 | 921.5 | |
| 89.0 | 92.5 | 42.0 | 83.0 | 33.0 | 16.5 | 174.5 | 49.0 | 148.0 | 188.5 | 67.5 | 55.5 | 1039.0 | |
| 34.0 | 16.5 | 53.5 | 103.5 | 89.0 | 79.5 | 237.0 | 103.0 | 225.5 | 41.5 | 52.5 | 44.0 | 1079.5 | |
| 59.0 | 30.5 | 59.0 | 51.0 | 63.5 | 27.5 | 247.5 | 199.5 | 81.5 | 65.5 | 68.0 | 69.5 | 1022.0 | |
| 32.0 | 21.0 | 70.5 | 92.0 | 83.5 | 156.0 | 143.5 | 204.5 | 123.0 | 99.5 | 79.5 | 45.0 | 1150.0 | |
| 46.5 | 9.0 | 91.0 | 55.0 | 65.0 | 235.5 | 30.5 | 165.5 | 212.5 | 73.0 | 147.5 | 104.0 | 1235.0 | |
| 93.5 | 63.5 | 31.0 | 96.5 | 46.0 | 73.5 | 139.0 | 224.0 | 305.5 | 125.0 | 79.0 | 115.5 | 1392.0 | |
| 28.0 | 90.0 | 29.0 | 77.0 | 25.0 | 40.0 | 171.0 | 114.0 | 172.5 | 138.5 | 47.5 | 76.5 | 1009.0 | |
| 41.5 | 45.5 | 35.5 | 77.0 | 117.0 | 98.5 | 95.5 | 219.0 | 171.0 | 71.5 | 59.5 | 75.0 | 1106.5 | |
| 50.5 | 77.0 | 7.0 | 74.5 | 69.0 | 217.0 | 140.0 | 154.0 | 150.5 | 70.0 | 65.0 | 60.0 | 1134.5 | |
| 21.0 | 69.0 | 47.5 | 50.5 | 139.5 | 56.0 | 202.5 | 101.5 | 343.0 | 50.0 | 58.5 | 47.5 | 1186.5 | |
| 89.5 | 21.0 | 73.0 | 122.5 | 183.0 | 111.0 | 126.5 | 349.0 | 94.0 | 66.0 | 70.0 | 56.5 | 1362.0 | |
| 42.5 | 30.5 | 50.0 | 81.0 | 115.0 | 144.5 | 221.0 | 260.0 | 139.0 | 71.0 | 80.5 | 32.5 | 1267.5 | |
| 29.0 | 73.0 | 40.0 | 14.5 | 118.5 | 113.0 | 52.5 | 377.5 | 209.0 | 88.0 | 77.5 | 34.0 | 1226.5 | |
| 76.5 | 17.5 | 37.5 | 48.0 | 158.5 | 173.0 | 131.0 | 276.5 | 256.5 | 146.0 | 103.0 | 54.5 | 1478.5 | |
| 33.0 | 42.0 | 44.0 | 37.5 | 166.0 | 95.5 | 273.5 | 129.0 | 165.5 | 136.5 | 57.5 | 57.0 | 1237.0 | |
| 124.5 | 23.5 | 44.0 | 122.5 | 147.5 | 91.5 | 100.5 | 213.0 | 378.0 | 89.5 | 74.0 | 76.0 | 1484.5 | |
| 29.0 | 16.0 | 69.5 | 32.5 | 80.5 | 14.5 | 148.5 | 201.5 | 236.5 | 142.5 | 44.5 | 32.5 | 1048.0 | |
| 89.0 | 17.5 | 43.5 | 46.0 | 71.0 | 74.0 | 232.0 | 233.5 | 98.0 | 122.0 | 126.5 | 33.5 | 1186.5 | |
| 64.0 | 19.0 | 51.5 | 99.5 | 39.5 | 147.5 | 96.0 | 172.5 | 167.0 | 59.5 | 67.0 | 89.0 | 1072.0 | |
| 27.5 | 105.5 | 13.0 | 24.0 | 90.5 | 93.5 | 91.5 | 126.5 | 157.0 | 52.0 | 94.5 | 136.0 | 1011.5 | |
| 92.5 | 73.0 | 70.0 | 78.0 | 121.5 | 88.5 | 277.5 | 146.5 | 133.0 | 70.5 | 99.5 | 84.0 | 1334.5 | |
| 64.5 | 30.0 | 54.0 | 83.5 | 107.0 | 162.0 | 161.0 | 57.0 ) | 123.0 | 104.0 | 126.5 | 61.5 | 1134.0 | |
| 86.0 | 32.5 | 45.5 | 83.0 | 144.5 | 23.0 | 87.0 | 102.5 | 123.0 | 69.5 | 79.5 | 75.0 | 951.0 | |
| 56.0 | 36.0 | 25.5 | 11.5 | 102.5 | 94.5 | 274.0 | 233.5 | 19.0 | 67.0 | 39.0 | 51.0 | 1009.5 | |
| 49.5 | 78.0 | 34.0 | 126.0 | 71.5 | 89.5 | 349.0 | 76.5 | 65.5 | 139.0 | 89.5 | 96.5 | 1264.5 | |
| 35.5 | 24.0 | 99.5 | 99.5 | 159.5 | 59.5 | 191.0 | 258.5 | 41.5 | 169.0 | 69.0 | 95.0 | 1301.5 | |
| 36.0 | 15.0 | 11.0 | 102.5 | 104.5 | 50.0 | 177.0 | 66.0 | 235.0 | 118.0 | 58.0 | 77.0 | 1050.0 | |
| 33.5 | 59.5 | 65.0 | 46.0 | 183.0 | 93.5 | 74.5 | 78.0 | 148.5 | 147.5 | 282.5 | 103.5 | 1315.0 | |
| 42.0 | 45.0 | 57.0 | 113.0 | 114.0 | 50.5 | 245.0 | 280.0 | 196.0 | 207.0 | 94.5 | 38.0 | 1482.0 | |
| 52.0 | 34.0 | 60.5 | 8.5 | 77.5 | 172.5 | 40.0 | 298.0 | 112.5 | 64.0 | 57.5 | 51.0 | 1028.0 | |
| 48.0 | 25.5 | 92.0 | 131.5 | 83.0 | 136.0 | 93.5 | 71.5 | 170.5 | 81.5 | 155.5 | 37.0 | 1125.5 | |
| 50.0 | 60.5 | 33.0 | 71.0 | 87.5 | 257.5 | 167.5 | 205.0 | 168.0 | 81.0 | 84.0 | 131.5 | 1396.5 | |
| 64.5 | 40.5 | 42.0 | 81.0 | 111.5 | 179.5 | 118.0 | 124.5 | 161.0 | 126.0 | 94.0 | 61.5 | 1204.0 | |
| 78.5 | 46.5 | 91.5 | 57.5 | 148.0 | 184.5 | 175.5 | 295.0 | 66.5 | 117.0 | 36.5 | 57.5 | 1354.5 | |
| 20.0 | 29.5 | 17.0 | 37.0 | 51.0 | 75.5 | 166.5 | 202.5 | 78.5 | 124.5 | 42.0 | 67.0 | 911.0 | |
| 54.0 | 52.0 | 113.5 | 62.0 | 62.5 | 85.5 | 96.0 | 196.0 | 119.5 | 65.5 | 63.5 | 25.0 | 995.0 | |
| 56.0 | 51.0 | 96.5 | 108.0 | 109.0 | 141.0 | 113.0 | 325.0 | 100.5 | 102.5 | 141.0 | 70.5 | 1414.0 | |
| 76.5 | 29.0 | 68.0 | 16.5 | 84.5 | 206.5 | 126.0 | 385.0 | 100.0 | 96.0 | 47.5 | 44.5 | 1280.0 | |
| 12.0 | 42.5 | 32.0 | 76.5 | 31.0 | 158.5 | 132.0 | 72.0 | 199.5 | 69.5 | 118.5 | 34.0 | 978.0 | |
| 78.0 | 21.0 | 53.0 | 39.0 | 70.0 | 92.0 | 106.0 | 264.0 ) | 23.5 | 174.0 | 48.5 | 54.5 | 1023.5 | |
| 43.5 | 44.0 | 57.5 | 111.0 | 256.0 ] |
- 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。 - 最新の月のデータは稀に更新されない場合があります。年の数字をクリックして表示される「月ごとの値」もご確認ください。