Station Number 45346
Prefecture Chiba [ Local Portal ]
Location 千葉県安房郡鋸南町大六 (AWA GUN KYONAN MACHI, CHIBA KEN)
Months of Observations 472
Number of Observations 344,784
Period of Observations
Period Name Lat. Long. Height Anemometer
1974/11/01 -- 2006/07/12 SAKUMA 35.117N 139.875E 26m 0.0m
2006/07/13 -- 2015/08/99 KYONAN 35.122N 139.837E 10m 0.0m
Real-time Data AMeRAS (AMeDAS Ranking Service)
Past Heavy Rain Data AMeDAS heavy rain
Weather Disaster Reports
Typhoon History
Neighbor Stations
Number Name Distance Azimuth
45401 TATEYAMA (Chiba) 15.19km 170deg.
46211 MIURA (Kanagawa) 19.86km 288deg.
45361 KAMOGAWA (Chiba) 24.00km 92deg.
45326 SAKAHATA (Chiba) 26.88km 62deg.
45282 KISARAZU (Chiba) 28.23km 19deg.
45281 KISARAZU (Chiba) 28.95km 14deg.

Statistics for the Whole Period

Precipitation

0.0mm - 0.4mm 0.0mm - 0.4mm = 319,786
[319,786 (92.75% / 93.06%)] [319,786 / 343,646 (93.06%)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 11,774
[11,774 (3.41% / 3.43%)] [331,560 / 23,860 (96.48%)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 4,484
[4,484 (1.30% / 1.30%)] [336,044 / 12,086 (97.79%)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 2,397
[2,397 (0.70% / 0.70%)] [338,441 / 7,602 (98.49%)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 1,379
[1,379 (0.40% / 0.40%)] [339,820 / 5,205 (98.89%)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 970
[970 (0.28% / 0.28%)] [340,790 / 3,826 (99.17%)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 624
[624 (0.18% / 0.18%)] [341,414 / 2,856 (99.35%)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 496
[496 (0.14% / 0.14%)] [341,910 / 2,232 (99.49%)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 360
[360 (0.10% / 0.10%)] [342,270 / 1,736 (99.60%)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 261
[261 (0.08% / 0.08%)] [342,531 / 1,376 (99.68%)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 190
[190 (0.06% / 0.06%)] [342,721 / 1,115 (99.73%)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 154
[154 (0.04% / 0.04%)] [342,875 / 925 (99.78%)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 118
[118 (0.03% / 0.03%)] [342,993 / 771 (99.81%)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 121
[121 (0.04% / 0.04%)] [343,114 / 653 (99.85%)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 83
[83 (0.02% / 0.02%)] [343,197 / 532 (99.87%)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 69
[69 (0.02% / 0.02%)] [343,266 / 449 (99.89%)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 46
[46 (0.01% / 0.01%)] [343,312 / 380 (99.90%)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 48
[48 (0.01% / 0.01%)] [343,360 / 334 (99.92%)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 43
[43 (0.01% / 0.01%)] [343,403 / 286 (99.93%)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 27
[27 (0.01% / 0.01%)] [343,430 / 243 (99.94%)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 22
[22 (0.01% / 0.01%)] [343,452 / 216 (99.94%)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 29
[29 (0.01% / 0.01%)] [343,481 / 194 (99.95%)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 19
[19 (0.01% / 0.01%)] [343,500 / 165 (99.96%)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 17
[17 (0.00% / 0.00%)] [343,517 / 146 (99.96%)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 17
[17 (0.00% / 0.00%)] [343,534 / 129 (99.97%)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 10
[10 (0.00% / 0.00%)] [343,544 / 112 (99.97%)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 9
[9 (0.00% / 0.00%)] [343,553 / 102 (99.97%)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 8
[8 (0.00% / 0.00%)] [343,561 / 93 (99.98%)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 8
[8 (0.00% / 0.00%)] [343,569 / 85 (99.98%)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 7
[7 (0.00% / 0.00%)] [343,576 / 77 (99.98%)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 8
[8 (0.00% / 0.00%)] [343,584 / 70 (99.98%)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 6
[6 (0.00% / 0.00%)] [343,590 / 62 (99.98%)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 5
[5 (0.00% / 0.00%)] [343,595 / 56 (99.99%)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 7
[7 (0.00% / 0.00%)] [343,602 / 51 (99.99%)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 7
[7 (0.00% / 0.00%)] [343,609 / 44 (99.99%)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 6
[6 (0.00% / 0.00%)] [343,615 / 37 (99.99%)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 3
[3 (0.00% / 0.00%)] [343,618 / 31 (99.99%)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 4
[4 (0.00% / 0.00%)] [343,622 / 28 (99.99%)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 4
[4 (0.00% / 0.00%)] [343,626 / 24 (99.99%)]
39.5mm - 40.4mm 39.5mm - 40.4mm = 2
[2 (0.00% / 0.00%)] [343,628 / 20 (99.99%)]
40.5mm - 41.4mm 40.5mm - 41.4mm = 3
[3 (0.00% / 0.00%)] [343,631 / 18 (100.00%)]
41.5mm - 42.4mm 41.5mm - 42.4mm = 3
[3 (0.00% / 0.00%)] [343,634 / 15 (100.00%)]
42.5mm - 43.4mm 42.5mm - 43.4mm = 1
[1 (0.00% / 0.00%)] [343,635 / 12 (100.00%)]
44.5mm - 45.4mm 44.5mm - 45.4mm = 2
[2 (0.00% / 0.00%)] [343,637 / 11 (100.00%)]
45.5mm - 46.4mm 45.5mm - 46.4mm = 2
[2 (0.00% / 0.00%)] [343,639 / 9 (100.00%)]
47.5mm - 48.4mm 47.5mm - 48.4mm = 1
[1 (0.00% / 0.00%)] [343,640 / 7 (100.00%)]
49.5mm - 50.4mm 49.5mm - 50.4mm = 1
[1 (0.00% / 0.00%)] [343,641 / 6 (100.00%)]
50.5mm - 51.4mm 50.5mm - 51.4mm = 1
[1 (0.00% / 0.00%)] [343,642 / 5 (100.00%)]
55.5mm - 56.4mm 55.5mm - 56.4mm = 2
[2 (0.00% / 0.00%)] [343,644 / 4 (100.00%)]
59.5mm - 60.4mm 59.5mm - 60.4mm = 1
[1 (0.00% / 0.00%)] [343,645 / 2 (100.00%)]
70.5mm - 71.4mm 70.5mm - 71.4mm = 1
[1 (0.00% / 0.00%)] [343,646 / 1 (100.00%)]

Missing observations (1,138 / 0.33%)