Station Number 74271
Prefecture Kochi [ Local Portal ]
Location 高知県安芸市伊尾木 (AKI SHI, KOCHI KEN)
Months of Observations 499
Number of Observations 364,512
Period of Observations
Period Name Lat. Long. Height Anemometer
1974/11/01 -- 1977/12/19 AKI 33.488N 133.933E 6m 0.0m
1977/12/20 -- 1987/12/07 AKI 33.488N 133.933E 6m 6.5m
1987/12/08 -- 2007/01/25 AKI 33.488N 133.933E 6m 6.5m
2007/01/26 -- 2017/07/99 AKI 33.488N 133.933E 6m 6.5m
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
74276 TANO (Kochi) 9.65km 134deg.
74196 GEISEI (Kochi) 11.33km 308deg.
74151 YANASE (Kochi) 21.51km 49deg.
74136 ODOCHI (Kochi) 23.91km 347deg.
74188 NANKOKU-NISSHO (Kochi) 25.42km 284deg.
74336 SAKIHAMA (Kochi) 27.40km 112deg.
74187 GOMEN (Kochi) 29.21km 292deg.
74186 NANGOKU (Kochi) 29.34km 293deg.

Statistics for the Whole Period

Precipitation

0.0mm - 0.4mm 0.0mm - 0.4mm = 337,457
[337,457 (92.58% / 92.73%)] [337,457 / 363,918 (92.73)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 12,281
[12,281 (3.37% / 3.37%)] [349,738 / 26,461 (96.10)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 4,700
[4,700 (1.29% / 1.29%)] [354,438 / 14,180 (97.40)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 2,720
[2,720 (0.75% / 0.75%)] [357,158 / 9,480 (98.14)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 1,682
[1,682 (0.46% / 0.46%)] [358,840 / 6,760 (98.60)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 1,195
[1,195 (0.33% / 0.33%)] [360,035 / 5,078 (98.93)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 785
[785 (0.22% / 0.22%)] [360,820 / 3,883 (99.15)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 590
[590 (0.16% / 0.16%)] [361,410 / 3,098 (99.31)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 448
[448 (0.12% / 0.12%)] [361,858 / 2,508 (99.43)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 334
[334 (0.09% / 0.09%)] [362,192 / 2,060 (99.53)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 267
[267 (0.07% / 0.07%)] [362,459 / 1,726 (99.60)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 237
[237 (0.07% / 0.07%)] [362,696 / 1,459 (99.66)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 163
[163 (0.04% / 0.04%)] [362,859 / 1,222 (99.71)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 155
[155 (0.04% / 0.04%)] [363,014 / 1,059 (99.75)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 119
[119 (0.03% / 0.03%)] [363,133 / 904 (99.78)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 90
[90 (0.02% / 0.02%)] [363,223 / 785 (99.81)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 87
[87 (0.02% / 0.02%)] [363,310 / 695 (99.83)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 73
[73 (0.02% / 0.02%)] [363,383 / 608 (99.85)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 74
[74 (0.02% / 0.02%)] [363,457 / 535 (99.87)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 52
[52 (0.01% / 0.01%)] [363,509 / 461 (99.89)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 50
[50 (0.01% / 0.01%)] [363,559 / 409 (99.90)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 35
[35 (0.01% / 0.01%)] [363,594 / 359 (99.91)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 38
[38 (0.01% / 0.01%)] [363,632 / 324 (99.92)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 32
[32 (0.01% / 0.01%)] [363,664 / 286 (99.93)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 22
[22 (0.01% / 0.01%)] [363,686 / 254 (99.94)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 26
[26 (0.01% / 0.01%)] [363,712 / 232 (99.94)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 21
[21 (0.01% / 0.01%)] [363,733 / 206 (99.95)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 25
[25 (0.01% / 0.01%)] [363,758 / 185 (99.96)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 15
[15 (0.00% / 0.00%)] [363,773 / 160 (99.96)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 21
[21 (0.01% / 0.01%)] [363,794 / 145 (99.97)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 10
[10 (0.00% / 0.00%)] [363,804 / 124 (99.97)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 11
[11 (0.00% / 0.00%)] [363,815 / 114 (99.97)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 10
[10 (0.00% / 0.00%)] [363,825 / 103 (99.97)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 10
[10 (0.00% / 0.00%)] [363,835 / 93 (99.98)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 6
[6 (0.00% / 0.00%)] [363,841 / 83 (99.98)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 6
[6 (0.00% / 0.00%)] [363,847 / 77 (99.98)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 6
[6 (0.00% / 0.00%)] [363,853 / 71 (99.98)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 12
[12 (0.00% / 0.00%)] [363,865 / 65 (99.99)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 6
[6 (0.00% / 0.00%)] [363,871 / 53 (99.99)]
38.5mm - 39.4mm 38.5mm - 39.4mm = 4
[4 (0.00% / 0.00%)] [363,875 / 47 (99.99)]
39.5mm - 40.4mm 39.5mm - 40.4mm = 4
[4 (0.00% / 0.00%)] [363,879 / 43 (99.99)]
41.5mm - 42.4mm 41.5mm - 42.4mm = 3
[3 (0.00% / 0.00%)] [363,882 / 39 (99.99)]
42.5mm - 43.4mm 42.5mm - 43.4mm = 6
[6 (0.00% / 0.00%)] [363,888 / 36 (99.99)]
43.5mm - 44.4mm 43.5mm - 44.4mm = 4
[4 (0.00% / 0.00%)] [363,892 / 30 (99.99)]
44.5mm - 45.4mm 44.5mm - 45.4mm = 2
[2 (0.00% / 0.00%)] [363,894 / 26 (99.99)]
45.5mm - 46.4mm 45.5mm - 46.4mm = 3
[3 (0.00% / 0.00%)] [363,897 / 24 (99.99)]
46.5mm - 47.4mm 46.5mm - 47.4mm = 1
[1 (0.00% / 0.00%)] [363,898 / 21 (99.99)]
47.5mm - 48.4mm 47.5mm - 48.4mm = 2
[2 (0.00% / 0.00%)] [363,900 / 20 (100.00)]
53.5mm - 54.4mm 53.5mm - 54.4mm = 2
[2 (0.00% / 0.00%)] [363,902 / 18 (100.00)]
54.5mm - 55.4mm 54.5mm - 55.4mm = 1
[1 (0.00% / 0.00%)] [363,903 / 16 (100.00)]
55.5mm - 56.4mm 55.5mm - 56.4mm = 1
[1 (0.00% / 0.00%)] [363,904 / 15 (100.00)]
56.5mm - 57.4mm 56.5mm - 57.4mm = 1
[1 (0.00% / 0.00%)] [363,905 / 14 (100.00)]
57.5mm - 58.4mm 57.5mm - 58.4mm = 1
[1 (0.00% / 0.00%)] [363,906 / 13 (100.00)]
59.5mm - 60.4mm 59.5mm - 60.4mm = 2
[2 (0.00% / 0.00%)] [363,908 / 12 (100.00)]
60.5mm - 61.4mm 60.5mm - 61.4mm = 2
[2 (0.00% / 0.00%)] [363,910 / 10 (100.00)]
61.5mm - 62.4mm 61.5mm - 62.4mm = 1
[1 (0.00% / 0.00%)] [363,911 / 8 (100.00)]
63.5mm - 64.4mm 63.5mm - 64.4mm = 1
[1 (0.00% / 0.00%)] [363,912 / 7 (100.00)]
64.5mm - 65.4mm 64.5mm - 65.4mm = 1
[1 (0.00% / 0.00%)] [363,913 / 6 (100.00)]
67.5mm - 68.4mm 67.5mm - 68.4mm = 1
[1 (0.00% / 0.00%)] [363,914 / 5 (100.00)]
68.5mm - 69.4mm 68.5mm - 69.4mm = 1
[1 (0.00% / 0.00%)] [363,915 / 4 (100.00)]
70.5mm - 71.4mm 70.5mm - 71.4mm = 1
[1 (0.00% / 0.00%)] [363,916 / 3 (100.00)]
73.5mm - 74.4mm 73.5mm - 74.4mm = 1
[1 (0.00% / 0.00%)] [363,917 / 2 (100.00)]
82.5mm - 83.4mm 82.5mm - 83.4mm = 1
[1 (0.00% / 0.00%)] [363,918 / 1 (100.00)]

Missing observations (594 / 0.16%)

Wind Direction

Calm Calm = 33,404
[33,404 (9.16% / 9.64%)]
NNE NNE = 37,680
[37,680 (10.34% / 10.88%)]
NE NE = 35,486
[35,486 (9.74% / 10.24%)]
ENE ENE = 11,910
[11,910 (3.27% / 3.44%)]
E E = 4,619
[4,619 (1.27% / 1.33%)]
ESE ESE = 3,140
[3,140 (0.86% / 0.91%)]
SE SE = 5,526
[5,526 (1.52% / 1.60%)]
SSE SSE = 13,629
[13,629 (3.74% / 3.93%)]
S S = 25,873
[25,873 (7.10% / 7.47%)]
SSW SSW = 22,165
[22,165 (6.08% / 6.40%)]
SW SW = 13,642
[13,642 (3.74% / 3.94%)]
WSW WSW = 10,523
[10,523 (2.89% / 3.04%)]
W W = 9,640
[9,640 (2.64% / 2.78%)]
WNW WNW = 6,339
[6,339 (1.74% / 1.83%)]
NW NW = 11,636
[11,636 (3.19% / 3.36%)]
NNW NNW = 34,133
[34,133 (9.36% / 9.85%)]
N N = 67,029
[67,029 (18.39% / 19.35%)]

Missing observations (18,138 / 4.98%)

Wind Speed

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 37,009
[37,009 (10.15% / 10.67%)] [37,009 / 346,975 (10.67)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 129,360
[129,360 (35.49% / 37.28%)] [166,369 / 309,966 (47.95)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 110,377
[110,377 (30.28% / 31.81%)] [276,746 / 180,606 (79.76)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 42,874
[42,874 (11.76% / 12.36%)] [319,620 / 70,229 (92.12)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 15,242
[15,242 (4.18% / 4.39%)] [334,862 / 27,355 (96.51)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 6,681
[6,681 (1.83% / 1.93%)] [341,543 / 12,113 (98.43)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 2,913
[2,913 (0.80% / 0.84%)] [344,456 / 5,432 (99.27)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 1,289
[1,289 (0.35% / 0.37%)] [345,745 / 2,519 (99.65)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 622
[622 (0.17% / 0.18%)] [346,367 / 1,230 (99.82)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 308
[308 (0.08% / 0.09%)] [346,675 / 608 (99.91)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 141
[141 (0.04% / 0.04%)] [346,816 / 300 (99.95)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 64
[64 (0.02% / 0.02%)] [346,880 / 159 (99.97)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 38
[38 (0.01% / 0.01%)] [346,918 / 95 (99.98)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 34
[34 (0.01% / 0.01%)] [346,952 / 57 (99.99)]
13.5m/s - 14.4m/s 13.5m/s - 14.4m/s = 9
[9 (0.00% / 0.00%)] [346,961 / 23 (100.00)]
14.5m/s - 15.4m/s 14.5m/s - 15.4m/s = 6
[6 (0.00% / 0.00%)] [346,967 / 14 (100.00)]
15.5m/s - 16.4m/s 15.5m/s - 16.4m/s = 4
[4 (0.00% / 0.00%)] [346,971 / 8 (100.00)]
16.5m/s - 17.4m/s 16.5m/s - 17.4m/s = 2
[2 (0.00% / 0.00%)] [346,973 / 4 (100.00)]
17.5m/s - 18.4m/s 17.5m/s - 18.4m/s = 1
[1 (0.00% / 0.00%)] [346,974 / 2 (100.00)]
19.5m/s - 20.4m/s 19.5m/s - 20.4m/s = 1
[1 (0.00% / 0.00%)] [346,975 / 1 (100.00)]

Missing observations (17,537 / 4.81%)

Temperature

-6.5C - -5.6C -6.5C - -5.6C = 1
[1 (0.00% / 0.00%)] [1 / 346,649 (0.00)]
-5.5C - -4.6C -5.5C - -4.6C = 4
[4 (0.00% / 0.00%)] [5 / 346,648 (0.00)]
-4.5C - -3.6C -4.5C - -3.6C = 8
[8 (0.00% / 0.00%)] [13 / 346,644 (0.00)]
-3.5C - -2.6C -3.5C - -2.6C = 9
[9 (0.00% / 0.00%)] [22 / 346,636 (0.01)]
-2.5C - -1.6C -2.5C - -1.6C = 71
[71 (0.02% / 0.02%)] [93 / 346,627 (0.03)]
-1.5C - -0.6C -1.5C - -0.6C = 213
[213 (0.06% / 0.06%)] [306 / 346,556 (0.09)]
-0.5C - 0.4C -0.5C - 0.4C = 1,858
[1,858 (0.51% / 0.54%)] [2,164 / 346,343 (0.62)]
0.5C - 1.4C 0.5C - 1.4C = 2,490
[2,490 (0.68% / 0.72%)] [4,654 / 344,485 (1.34)]
1.5C - 2.4C 1.5C - 2.4C = 3,606
[3,606 (0.99% / 1.04%)] [8,260 / 341,995 (2.38)]
2.5C - 3.4C 2.5C - 3.4C = 4,711
[4,711 (1.29% / 1.36%)] [12,971 / 338,389 (3.74)]
3.5C - 4.4C 3.5C - 4.4C = 5,920
[5,920 (1.62% / 1.71%)] [18,891 / 333,678 (5.45)]
4.5C - 5.4C 4.5C - 5.4C = 7,397
[7,397 (2.03% / 2.13%)] [26,288 / 327,758 (7.58)]
5.5C - 6.4C 5.5C - 6.4C = 8,520
[8,520 (2.34% / 2.46%)] [34,808 / 320,361 (10.04)]
6.5C - 7.4C 6.5C - 7.4C = 9,755
[9,755 (2.68% / 2.81%)] [44,563 / 311,841 (12.86)]
7.5C - 8.4C 7.5C - 8.4C = 10,655
[10,655 (2.92% / 3.07%)] [55,218 / 302,086 (15.93)]
8.5C - 9.4C 8.5C - 9.4C = 11,332
[11,332 (3.11% / 3.27%)] [66,550 / 291,431 (19.20)]
9.5C - 10.4C 9.5C - 10.4C = 11,952
[11,952 (3.28% / 3.45%)] [78,502 / 280,099 (22.65)]
10.5C - 11.4C 10.5C - 11.4C = 12,407
[12,407 (3.40% / 3.58%)] [90,909 / 268,147 (26.23)]
11.5C - 12.4C 11.5C - 12.4C = 12,664
[12,664 (3.47% / 3.65%)] [103,573 / 255,740 (29.88)]
12.5C - 13.4C 12.5C - 13.4C = 12,182
[12,182 (3.34% / 3.51%)] [115,755 / 243,076 (33.39)]
13.5C - 14.4C 13.5C - 14.4C = 12,689
[12,689 (3.48% / 3.66%)] [128,444 / 230,894 (37.05)]
14.5C - 15.4C 14.5C - 15.4C = 12,773
[12,773 (3.50% / 3.68%)] [141,217 / 218,205 (40.74)]
15.5C - 16.4C 15.5C - 16.4C = 12,988
[12,988 (3.56% / 3.75%)] [154,205 / 205,432 (44.48)]
16.5C - 17.4C 16.5C - 17.4C = 13,950
[13,950 (3.83% / 4.02%)] [168,155 / 192,444 (48.51)]
17.5C - 18.4C 17.5C - 18.4C = 14,284
[14,284 (3.92% / 4.12%)] [182,439 / 178,494 (52.63)]
18.5C - 19.4C 18.5C - 19.4C = 14,458
[14,458 (3.97% / 4.17%)] [196,897 / 164,210 (56.80)]
19.5C - 20.4C 19.5C - 20.4C = 14,308
[14,308 (3.93% / 4.13%)] [211,205 / 149,752 (60.93)]
20.5C - 21.4C 20.5C - 21.4C = 14,616
[14,616 (4.01% / 4.22%)] [225,821 / 135,444 (65.14)]
21.5C - 22.4C 21.5C - 22.4C = 14,945
[14,945 (4.10% / 4.31%)] [240,766 / 120,828 (69.46)]
22.5C - 23.4C 22.5C - 23.4C = 15,453
[15,453 (4.24% / 4.46%)] [256,219 / 105,883 (73.91)]
23.5C - 24.4C 23.5C - 24.4C = 17,571
[17,571 (4.82% / 5.07%)] [273,790 / 90,430 (78.98)]
24.5C - 25.4C 24.5C - 25.4C = 18,069
[18,069 (4.96% / 5.21%)] [291,859 / 72,859 (84.19)]
25.5C - 26.4C 25.5C - 26.4C = 14,960
[14,960 (4.10% / 4.32%)] [306,819 / 54,790 (88.51)]
26.5C - 27.4C 26.5C - 27.4C = 12,069
[12,069 (3.31% / 3.48%)] [318,888 / 39,830 (91.99)]
27.5C - 28.4C 27.5C - 28.4C = 10,042
[10,042 (2.75% / 2.90%)] [328,930 / 27,761 (94.89)]
28.5C - 29.4C 28.5C - 29.4C = 8,195
[8,195 (2.25% / 2.36%)] [337,125 / 17,719 (97.25)]
29.5C - 30.4C 29.5C - 30.4C = 5,654
[5,654 (1.55% / 1.63%)] [342,779 / 9,524 (98.88)]
30.5C - 31.4C 30.5C - 31.4C = 2,723
[2,723 (0.75% / 0.79%)] [345,502 / 3,870 (99.67)]
31.5C - 32.4C 31.5C - 32.4C = 925
[925 (0.25% / 0.27%)] [346,427 / 1,147 (99.94)]
32.5C - 33.4C 32.5C - 33.4C = 160
[160 (0.04% / 0.05%)] [346,587 / 222 (99.98)]
33.5C - 34.4C 33.5C - 34.4C = 38
[38 (0.01% / 0.01%)] [346,625 / 62 (99.99)]
34.5C - 35.4C 34.5C - 35.4C = 19
[19 (0.01% / 0.01%)] [346,644 / 24 (100.00)]
35.5C - 36.4C 35.5C - 36.4C = 5
[5 (0.00% / 0.00%)] [346,649 / 5 (100.00)]

Missing observations (17,863 / 4.90%)

Sunshine Duration

0.0h 0.0h = 236,024
[236,024 (64.75% / 68.09%)] [236,024 / 346,647 (68.09)]
0.1h 0.1h = 7,305
[7,305 (2.00% / 2.11%)] [243,329 / 110,623 (70.20)]
0.2h 0.2h = 5,389
[5,389 (1.48% / 1.55%)] [248,718 / 103,318 (71.75)]
0.3h 0.3h = 4,905
[4,905 (1.35% / 1.41%)] [253,623 / 97,929 (73.16)]
0.4h 0.4h = 4,551
[4,551 (1.25% / 1.31%)] [258,174 / 93,024 (74.48)]
0.5h 0.5h = 4,643
[4,643 (1.27% / 1.34%)] [262,817 / 88,473 (75.82)]
0.6h 0.6h = 5,045
[5,045 (1.38% / 1.46%)] [267,862 / 83,830 (77.27)]
0.7h 0.7h = 5,102
[5,102 (1.40% / 1.47%)] [272,964 / 78,785 (78.74)]
0.8h 0.8h = 5,724
[5,724 (1.57% / 1.65%)] [278,688 / 73,683 (80.40)]
0.9h 0.9h = 8,075
[8,075 (2.22% / 2.33%)] [286,763 / 67,959 (82.72)]
1.0h 1.0h = 59,884
[59,884 (16.43% / 17.28%)] [346,647 / 59,884 (100.00)]

Missing observations (17,865 / 4.90%)