Station Number 74271
Prefecture Kochi [ Local Portal ]
Location 高知県安芸市伊尾木 (AKI SHI, KOCHI KEN)
Months of Observations 513
Number of Observations 374,736
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 -- 2018/09/99 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 = 346,646
[346,646 (92.50% / 92.65%)] [346,646 / 374,142 (92.65)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 12,774
[12,774 (3.41% / 3.41%)] [359,420 / 27,496 (96.07)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 4,873
[4,873 (1.30% / 1.30%)] [364,293 / 14,722 (97.37)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 2,826
[2,826 (0.75% / 0.76%)] [367,119 / 9,849 (98.12)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 1,756
[1,756 (0.47% / 0.47%)] [368,875 / 7,023 (98.59)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 1,240
[1,240 (0.33% / 0.33%)] [370,115 / 5,267 (98.92)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 806
[806 (0.22% / 0.22%)] [370,921 / 4,027 (99.14)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 610
[610 (0.16% / 0.16%)] [371,531 / 3,221 (99.30)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 470
[470 (0.13% / 0.13%)] [372,001 / 2,611 (99.43)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 353
[353 (0.09% / 0.09%)] [372,354 / 2,141 (99.52)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 282
[282 (0.08% / 0.08%)] [372,636 / 1,788 (99.60)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 244
[244 (0.07% / 0.07%)] [372,880 / 1,506 (99.66)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 169
[169 (0.05% / 0.05%)] [373,049 / 1,262 (99.71)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 160
[160 (0.04% / 0.04%)] [373,209 / 1,093 (99.75)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 125
[125 (0.03% / 0.03%)] [373,334 / 933 (99.78)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 92
[92 (0.02% / 0.02%)] [373,426 / 808 (99.81)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 89
[89 (0.02% / 0.02%)] [373,515 / 716 (99.83)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 75
[75 (0.02% / 0.02%)] [373,590 / 627 (99.85)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 75
[75 (0.02% / 0.02%)] [373,665 / 552 (99.87)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 55
[55 (0.01% / 0.01%)] [373,720 / 477 (99.89)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 52
[52 (0.01% / 0.01%)] [373,772 / 422 (99.90)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 35
[35 (0.01% / 0.01%)] [373,807 / 370 (99.91)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 40
[40 (0.01% / 0.01%)] [373,847 / 335 (99.92)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 33
[33 (0.01% / 0.01%)] [373,880 / 295 (99.93)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 22
[22 (0.01% / 0.01%)] [373,902 / 262 (99.94)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 27
[27 (0.01% / 0.01%)] [373,929 / 240 (99.94)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 22
[22 (0.01% / 0.01%)] [373,951 / 213 (99.95)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 26
[26 (0.01% / 0.01%)] [373,977 / 191 (99.96)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 15
[15 (0.00% / 0.00%)] [373,992 / 165 (99.96)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 23
[23 (0.01% / 0.01%)] [374,015 / 150 (99.97)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 10
[10 (0.00% / 0.00%)] [374,025 / 127 (99.97)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 11
[11 (0.00% / 0.00%)] [374,036 / 117 (99.97)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 11
[11 (0.00% / 0.00%)] [374,047 / 106 (99.97)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 10
[10 (0.00% / 0.00%)] [374,057 / 95 (99.98)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 7
[7 (0.00% / 0.00%)] [374,064 / 85 (99.98)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 6
[6 (0.00% / 0.00%)] [374,070 / 78 (99.98)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 6
[6 (0.00% / 0.00%)] [374,076 / 72 (99.98)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 12
[12 (0.00% / 0.00%)] [374,088 / 66 (99.99)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 6
[6 (0.00% / 0.00%)] [374,094 / 54 (99.99)]
38.5mm - 39.4mm 38.5mm - 39.4mm = 4
[4 (0.00% / 0.00%)] [374,098 / 48 (99.99)]
39.5mm - 40.4mm 39.5mm - 40.4mm = 4
[4 (0.00% / 0.00%)] [374,102 / 44 (99.99)]
41.5mm - 42.4mm 41.5mm - 42.4mm = 3
[3 (0.00% / 0.00%)] [374,105 / 40 (99.99)]
42.5mm - 43.4mm 42.5mm - 43.4mm = 6
[6 (0.00% / 0.00%)] [374,111 / 37 (99.99)]
43.5mm - 44.4mm 43.5mm - 44.4mm = 5
[5 (0.00% / 0.00%)] [374,116 / 31 (99.99)]
44.5mm - 45.4mm 44.5mm - 45.4mm = 2
[2 (0.00% / 0.00%)] [374,118 / 26 (99.99)]
45.5mm - 46.4mm 45.5mm - 46.4mm = 3
[3 (0.00% / 0.00%)] [374,121 / 24 (99.99)]
46.5mm - 47.4mm 46.5mm - 47.4mm = 1
[1 (0.00% / 0.00%)] [374,122 / 21 (99.99)]
47.5mm - 48.4mm 47.5mm - 48.4mm = 2
[2 (0.00% / 0.00%)] [374,124 / 20 (100.00)]
53.5mm - 54.4mm 53.5mm - 54.4mm = 2
[2 (0.00% / 0.00%)] [374,126 / 18 (100.00)]
54.5mm - 55.4mm 54.5mm - 55.4mm = 1
[1 (0.00% / 0.00%)] [374,127 / 16 (100.00)]
55.5mm - 56.4mm 55.5mm - 56.4mm = 1
[1 (0.00% / 0.00%)] [374,128 / 15 (100.00)]
56.5mm - 57.4mm 56.5mm - 57.4mm = 1
[1 (0.00% / 0.00%)] [374,129 / 14 (100.00)]
57.5mm - 58.4mm 57.5mm - 58.4mm = 1
[1 (0.00% / 0.00%)] [374,130 / 13 (100.00)]
59.5mm - 60.4mm 59.5mm - 60.4mm = 2
[2 (0.00% / 0.00%)] [374,132 / 12 (100.00)]
60.5mm - 61.4mm 60.5mm - 61.4mm = 2
[2 (0.00% / 0.00%)] [374,134 / 10 (100.00)]
61.5mm - 62.4mm 61.5mm - 62.4mm = 1
[1 (0.00% / 0.00%)] [374,135 / 8 (100.00)]
63.5mm - 64.4mm 63.5mm - 64.4mm = 1
[1 (0.00% / 0.00%)] [374,136 / 7 (100.00)]
64.5mm - 65.4mm 64.5mm - 65.4mm = 1
[1 (0.00% / 0.00%)] [374,137 / 6 (100.00)]
67.5mm - 68.4mm 67.5mm - 68.4mm = 1
[1 (0.00% / 0.00%)] [374,138 / 5 (100.00)]
68.5mm - 69.4mm 68.5mm - 69.4mm = 1
[1 (0.00% / 0.00%)] [374,139 / 4 (100.00)]
70.5mm - 71.4mm 70.5mm - 71.4mm = 1
[1 (0.00% / 0.00%)] [374,140 / 3 (100.00)]
73.5mm - 74.4mm 73.5mm - 74.4mm = 1
[1 (0.00% / 0.00%)] [374,141 / 2 (100.00)]
82.5mm - 83.4mm 82.5mm - 83.4mm = 1
[1 (0.00% / 0.00%)] [374,142 / 1 (100.00)]

Missing observations (594 / 0.16%)

Wind Direction

Calm Calm = 33,748
[33,748 (9.01% / 9.46%)]
NNE NNE = 38,587
[38,587 (10.30% / 10.82%)]
NE NE = 36,461
[36,461 (9.73% / 10.22%)]
ENE ENE = 12,269
[12,269 (3.27% / 3.44%)]
E E = 4,837
[4,837 (1.29% / 1.36%)]
ESE ESE = 3,263
[3,263 (0.87% / 0.92%)]
SE SE = 5,833
[5,833 (1.56% / 1.64%)]
SSE SSE = 14,085
[14,085 (3.76% / 3.95%)]
S S = 26,790
[26,790 (7.15% / 7.51%)]
SSW SSW = 22,863
[22,863 (6.10% / 6.41%)]
SW SW = 14,024
[14,024 (3.74% / 3.93%)]
WSW WSW = 10,839
[10,839 (2.89% / 3.04%)]
W W = 9,947
[9,947 (2.65% / 2.79%)]
WNW WNW = 6,526
[6,526 (1.74% / 1.83%)]
NW NW = 12,019
[12,019 (3.21% / 3.37%)]
NNW NNW = 35,574
[35,574 (9.49% / 9.98%)]
N N = 68,931
[68,931 (18.39% / 19.33%)]

Missing observations (18,140 / 4.84%)

Wind Speed

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 37,829
[37,829 (10.09% / 10.59%)] [37,829 / 357,197 (10.59)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 133,318
[133,318 (35.58% / 37.32%)] [171,147 / 319,368 (47.91)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 113,793
[113,793 (30.37% / 31.86%)] [284,940 / 186,050 (79.77)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 44,060
[44,060 (11.76% / 12.33%)] [329,000 / 72,257 (92.11)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 15,703
[15,703 (4.19% / 4.40%)] [344,703 / 28,197 (96.50)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 6,881
[6,881 (1.84% / 1.93%)] [351,584 / 12,494 (98.43)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 3,021
[3,021 (0.81% / 0.85%)] [354,605 / 5,613 (99.27)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 1,333
[1,333 (0.36% / 0.37%)] [355,938 / 2,592 (99.65)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 639
[639 (0.17% / 0.18%)] [356,577 / 1,259 (99.83)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 315
[315 (0.08% / 0.09%)] [356,892 / 620 (99.91)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 144
[144 (0.04% / 0.04%)] [357,036 / 305 (99.95)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 64
[64 (0.02% / 0.02%)] [357,100 / 161 (99.97)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 38
[38 (0.01% / 0.01%)] [357,138 / 97 (99.98)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 35
[35 (0.01% / 0.01%)] [357,173 / 59 (99.99)]
13.5m/s - 14.4m/s 13.5m/s - 14.4m/s = 9
[9 (0.00% / 0.00%)] [357,182 / 24 (100.00)]
14.5m/s - 15.4m/s 14.5m/s - 15.4m/s = 7
[7 (0.00% / 0.00%)] [357,189 / 15 (100.00)]
15.5m/s - 16.4m/s 15.5m/s - 16.4m/s = 4
[4 (0.00% / 0.00%)] [357,193 / 8 (100.00)]
16.5m/s - 17.4m/s 16.5m/s - 17.4m/s = 2
[2 (0.00% / 0.00%)] [357,195 / 4 (100.00)]
17.5m/s - 18.4m/s 17.5m/s - 18.4m/s = 1
[1 (0.00% / 0.00%)] [357,196 / 2 (100.00)]
19.5m/s - 20.4m/s 19.5m/s - 20.4m/s = 1
[1 (0.00% / 0.00%)] [357,197 / 1 (100.00)]

Missing observations (17,539 / 4.68%)

Temperature

-6.5C - -5.6C -6.5C - -5.6C = 1
[1 (0.00% / 0.00%)] [1 / 356,873 (0.00)]
-5.5C - -4.6C -5.5C - -4.6C = 4
[4 (0.00% / 0.00%)] [5 / 356,872 (0.00)]
-4.5C - -3.6C -4.5C - -3.6C = 8
[8 (0.00% / 0.00%)] [13 / 356,868 (0.00)]
-3.5C - -2.6C -3.5C - -2.6C = 10
[10 (0.00% / 0.00%)] [23 / 356,860 (0.01)]
-2.5C - -1.6C -2.5C - -1.6C = 79
[79 (0.02% / 0.02%)] [102 / 356,850 (0.03)]
-1.5C - -0.6C -1.5C - -0.6C = 236
[236 (0.06% / 0.07%)] [338 / 356,771 (0.09)]
-0.5C - 0.4C -0.5C - 0.4C = 1,962
[1,962 (0.52% / 0.55%)] [2,300 / 356,535 (0.64)]
0.5C - 1.4C 0.5C - 1.4C = 2,584
[2,584 (0.69% / 0.72%)] [4,884 / 354,573 (1.37)]
1.5C - 2.4C 1.5C - 2.4C = 3,704
[3,704 (0.99% / 1.04%)] [8,588 / 351,989 (2.41)]
2.5C - 3.4C 2.5C - 3.4C = 4,849
[4,849 (1.29% / 1.36%)] [13,437 / 348,285 (3.77)]
3.5C - 4.4C 3.5C - 4.4C = 6,092
[6,092 (1.63% / 1.71%)] [19,529 / 343,436 (5.47)]
4.5C - 5.4C 4.5C - 5.4C = 7,622
[7,622 (2.03% / 2.14%)] [27,151 / 337,344 (7.61)]
5.5C - 6.4C 5.5C - 6.4C = 8,758
[8,758 (2.34% / 2.45%)] [35,909 / 329,722 (10.06)]
6.5C - 7.4C 6.5C - 7.4C = 9,981
[9,981 (2.66% / 2.80%)] [45,890 / 320,964 (12.86)]
7.5C - 8.4C 7.5C - 8.4C = 10,914
[10,914 (2.91% / 3.06%)] [56,804 / 310,983 (15.92)]
8.5C - 9.4C 8.5C - 9.4C = 11,577
[11,577 (3.09% / 3.24%)] [68,381 / 300,069 (19.16)]
9.5C - 10.4C 9.5C - 10.4C = 12,226
[12,226 (3.26% / 3.43%)] [80,607 / 288,492 (22.59)]
10.5C - 11.4C 10.5C - 11.4C = 12,638
[12,638 (3.37% / 3.54%)] [93,245 / 276,266 (26.13)]
11.5C - 12.4C 11.5C - 12.4C = 12,923
[12,923 (3.45% / 3.62%)] [106,168 / 263,628 (29.75)]
12.5C - 13.4C 12.5C - 13.4C = 12,470
[12,470 (3.33% / 3.49%)] [118,638 / 250,705 (33.24)]
13.5C - 14.4C 13.5C - 14.4C = 12,979
[12,979 (3.46% / 3.64%)] [131,617 / 238,235 (36.88)]
14.5C - 15.4C 14.5C - 15.4C = 13,068
[13,068 (3.49% / 3.66%)] [144,685 / 225,256 (40.54)]
15.5C - 16.4C 15.5C - 16.4C = 13,265
[13,265 (3.54% / 3.72%)] [157,950 / 212,188 (44.26)]
16.5C - 17.4C 16.5C - 17.4C = 14,236
[14,236 (3.80% / 3.99%)] [172,186 / 198,923 (48.25)]
17.5C - 18.4C 17.5C - 18.4C = 14,640
[14,640 (3.91% / 4.10%)] [186,826 / 184,687 (52.35)]
18.5C - 19.4C 18.5C - 19.4C = 14,857
[14,857 (3.96% / 4.16%)] [201,683 / 170,047 (56.51)]
19.5C - 20.4C 19.5C - 20.4C = 14,748
[14,748 (3.94% / 4.13%)] [216,431 / 155,190 (60.65)]
20.5C - 21.4C 20.5C - 21.4C = 15,027
[15,027 (4.01% / 4.21%)] [231,458 / 140,442 (64.86)]
21.5C - 22.4C 21.5C - 22.4C = 15,451
[15,451 (4.12% / 4.33%)] [246,909 / 125,415 (69.19)]
22.5C - 23.4C 22.5C - 23.4C = 15,909
[15,909 (4.25% / 4.46%)] [262,818 / 109,964 (73.64)]
23.5C - 24.4C 23.5C - 24.4C = 18,012
[18,012 (4.81% / 5.05%)] [280,830 / 94,055 (78.69)]
24.5C - 25.4C 24.5C - 25.4C = 18,500
[18,500 (4.94% / 5.18%)] [299,330 / 76,043 (83.88)]
25.5C - 26.4C 25.5C - 26.4C = 15,646
[15,646 (4.18% / 4.38%)] [314,976 / 57,543 (88.26)]
26.5C - 27.4C 26.5C - 27.4C = 12,674
[12,674 (3.38% / 3.55%)] [327,650 / 41,897 (91.81)]
27.5C - 28.4C 27.5C - 28.4C = 10,506
[10,506 (2.80% / 2.94%)] [338,156 / 29,223 (94.76)]
28.5C - 29.4C 28.5C - 29.4C = 8,504
[8,504 (2.27% / 2.38%)] [346,660 / 18,717 (97.14)]
29.5C - 30.4C 29.5C - 30.4C = 5,974
[5,974 (1.59% / 1.67%)] [352,634 / 10,213 (98.81)]
30.5C - 31.4C 30.5C - 31.4C = 2,945
[2,945 (0.79% / 0.83%)] [355,579 / 4,239 (99.64)]
31.5C - 32.4C 31.5C - 32.4C = 1,034
[1,034 (0.28% / 0.29%)] [356,613 / 1,294 (99.93)]
32.5C - 33.4C 32.5C - 33.4C = 191
[191 (0.05% / 0.05%)] [356,804 / 260 (99.98)]
33.5C - 34.4C 33.5C - 34.4C = 44
[44 (0.01% / 0.01%)] [356,848 / 69 (99.99)]
34.5C - 35.4C 34.5C - 35.4C = 20
[20 (0.01% / 0.01%)] [356,868 / 25 (100.00)]
35.5C - 36.4C 35.5C - 36.4C = 5
[5 (0.00% / 0.00%)] [356,873 / 5 (100.00)]

Missing observations (17,863 / 4.77%)

Sunshine Duration

0.0h 0.0h = 242,871
[242,871 (64.81% / 68.06%)] [242,871 / 356,865 (68.06)]
0.1h 0.1h = 7,529
[7,529 (2.01% / 2.11%)] [250,400 / 113,994 (70.17)]
0.2h 0.2h = 5,558
[5,558 (1.48% / 1.56%)] [255,958 / 106,465 (71.72)]
0.3h 0.3h = 5,046
[5,046 (1.35% / 1.41%)] [261,004 / 100,907 (73.14)]
0.4h 0.4h = 4,681
[4,681 (1.25% / 1.31%)] [265,685 / 95,861 (74.45)]
0.5h 0.5h = 4,776
[4,776 (1.27% / 1.34%)] [270,461 / 91,180 (75.79)]
0.6h 0.6h = 5,194
[5,194 (1.39% / 1.46%)] [275,655 / 86,404 (77.24)]
0.7h 0.7h = 5,264
[5,264 (1.40% / 1.48%)] [280,919 / 81,210 (78.72)]
0.8h 0.8h = 5,902
[5,902 (1.57% / 1.65%)] [286,821 / 75,946 (80.37)]
0.9h 0.9h = 8,351
[8,351 (2.23% / 2.34%)] [295,172 / 70,044 (82.71)]
1.0h 1.0h = 61,693
[61,693 (16.46% / 17.29%)] [356,865 / 61,693 (100.00)]

Missing observations (17,871 / 4.77%)