Station Number 74271
Prefecture Kochi [ Local Portal ]
Location 高知県安芸市伊尾木 (AKI SHI, KOCHI KEN)
Months of Observations 525
Number of Observations 383,486
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 -- 2019/09/99 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 = 354,549
[354,549 (92.45% / 92.60%)] [354,549 / 382,892 (92.60)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 13,213
[13,213 (3.45% / 3.45%)] [367,762 / 28,343 (96.05)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 5,023
[5,023 (1.31% / 1.31%)] [372,785 / 15,130 (97.36)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 2,895
[2,895 (0.75% / 0.76%)] [375,680 / 10,107 (98.12)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 1,803
[1,803 (0.47% / 0.47%)] [377,483 / 7,212 (98.59)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 1,269
[1,269 (0.33% / 0.33%)] [378,752 / 5,409 (98.92)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 826
[826 (0.22% / 0.22%)] [379,578 / 4,140 (99.13)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 625
[625 (0.16% / 0.16%)] [380,203 / 3,314 (99.30)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 483
[483 (0.13% / 0.13%)] [380,686 / 2,689 (99.42)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 365
[365 (0.10% / 0.10%)] [381,051 / 2,206 (99.52)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 291
[291 (0.08% / 0.08%)] [381,342 / 1,841 (99.60)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 249
[249 (0.06% / 0.07%)] [381,591 / 1,550 (99.66)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 175
[175 (0.05% / 0.05%)] [381,766 / 1,301 (99.71)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 162
[162 (0.04% / 0.04%)] [381,928 / 1,126 (99.75)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 130
[130 (0.03% / 0.03%)] [382,058 / 964 (99.78)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 94
[94 (0.02% / 0.02%)] [382,152 / 834 (99.81)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 90
[90 (0.02% / 0.02%)] [382,242 / 740 (99.83)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 76
[76 (0.02% / 0.02%)] [382,318 / 650 (99.85)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 78
[78 (0.02% / 0.02%)] [382,396 / 574 (99.87)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 58
[58 (0.02% / 0.02%)] [382,454 / 496 (99.89)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 56
[56 (0.01% / 0.01%)] [382,510 / 438 (99.90)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 36
[36 (0.01% / 0.01%)] [382,546 / 382 (99.91)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 42
[42 (0.01% / 0.01%)] [382,588 / 346 (99.92)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 33
[33 (0.01% / 0.01%)] [382,621 / 304 (99.93)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 23
[23 (0.01% / 0.01%)] [382,644 / 271 (99.94)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 28
[28 (0.01% / 0.01%)] [382,672 / 248 (99.94)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 23
[23 (0.01% / 0.01%)] [382,695 / 220 (99.95)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 26
[26 (0.01% / 0.01%)] [382,721 / 197 (99.96)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 16
[16 (0.00% / 0.00%)] [382,737 / 171 (99.96)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 22
[22 (0.01% / 0.01%)] [382,759 / 155 (99.97)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 11
[11 (0.00% / 0.00%)] [382,770 / 133 (99.97)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 11
[11 (0.00% / 0.00%)] [382,781 / 122 (99.97)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 11
[11 (0.00% / 0.00%)] [382,792 / 111 (99.97)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 10
[10 (0.00% / 0.00%)] [382,802 / 100 (99.98)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 7
[7 (0.00% / 0.00%)] [382,809 / 90 (99.98)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 7
[7 (0.00% / 0.00%)] [382,816 / 83 (99.98)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 7
[7 (0.00% / 0.00%)] [382,823 / 76 (99.98)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 12
[12 (0.00% / 0.00%)] [382,835 / 69 (99.99)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 6
[6 (0.00% / 0.00%)] [382,841 / 57 (99.99)]
38.5mm - 39.4mm 38.5mm - 39.4mm = 4
[4 (0.00% / 0.00%)] [382,845 / 51 (99.99)]
39.5mm - 40.4mm 39.5mm - 40.4mm = 4
[4 (0.00% / 0.00%)] [382,849 / 47 (99.99)]
40.5mm - 41.4mm 40.5mm - 41.4mm = 1
[1 (0.00% / 0.00%)] [382,850 / 43 (99.99)]
41.5mm - 42.4mm 41.5mm - 42.4mm = 3
[3 (0.00% / 0.00%)] [382,853 / 42 (99.99)]
42.5mm - 43.4mm 42.5mm - 43.4mm = 6
[6 (0.00% / 0.00%)] [382,859 / 39 (99.99)]
43.5mm - 44.4mm 43.5mm - 44.4mm = 5
[5 (0.00% / 0.00%)] [382,864 / 33 (99.99)]
44.5mm - 45.4mm 44.5mm - 45.4mm = 2
[2 (0.00% / 0.00%)] [382,866 / 28 (99.99)]
45.5mm - 46.4mm 45.5mm - 46.4mm = 3
[3 (0.00% / 0.00%)] [382,869 / 26 (99.99)]
46.5mm - 47.4mm 46.5mm - 47.4mm = 2
[2 (0.00% / 0.00%)] [382,871 / 23 (99.99)]
47.5mm - 48.4mm 47.5mm - 48.4mm = 2
[2 (0.00% / 0.00%)] [382,873 / 21 (100.00)]
53.5mm - 54.4mm 53.5mm - 54.4mm = 2
[2 (0.00% / 0.00%)] [382,875 / 19 (100.00)]
54.5mm - 55.4mm 54.5mm - 55.4mm = 2
[2 (0.00% / 0.00%)] [382,877 / 17 (100.00)]
56.5mm - 57.4mm 56.5mm - 57.4mm = 2
[2 (0.00% / 0.00%)] [382,879 / 15 (100.00)]
57.5mm - 58.4mm 57.5mm - 58.4mm = 1
[1 (0.00% / 0.00%)] [382,880 / 13 (100.00)]
59.5mm - 60.4mm 59.5mm - 60.4mm = 2
[2 (0.00% / 0.00%)] [382,882 / 12 (100.00)]
60.5mm - 61.4mm 60.5mm - 61.4mm = 2
[2 (0.00% / 0.00%)] [382,884 / 10 (100.00)]
61.5mm - 62.4mm 61.5mm - 62.4mm = 1
[1 (0.00% / 0.00%)] [382,885 / 8 (100.00)]
63.5mm - 64.4mm 63.5mm - 64.4mm = 1
[1 (0.00% / 0.00%)] [382,886 / 7 (100.00)]
64.5mm - 65.4mm 64.5mm - 65.4mm = 1
[1 (0.00% / 0.00%)] [382,887 / 6 (100.00)]
67.5mm - 68.4mm 67.5mm - 68.4mm = 1
[1 (0.00% / 0.00%)] [382,888 / 5 (100.00)]
68.5mm - 69.4mm 68.5mm - 69.4mm = 1
[1 (0.00% / 0.00%)] [382,889 / 4 (100.00)]
70.5mm - 71.4mm 70.5mm - 71.4mm = 1
[1 (0.00% / 0.00%)] [382,890 / 3 (100.00)]
73.5mm - 74.4mm 73.5mm - 74.4mm = 1
[1 (0.00% / 0.00%)] [382,891 / 2 (100.00)]
82.5mm - 83.4mm 82.5mm - 83.4mm = 1
[1 (0.00% / 0.00%)] [382,892 / 1 (100.00)]

Missing observations (594 / 0.15%)

Wind Direction

Calm Calm = 34,146
[34,146 (8.90% / 9.35%)]
NNE NNE = 39,461
[39,461 (10.29% / 10.80%)]
NE NE = 37,275
[37,275 (9.72% / 10.20%)]
ENE ENE = 12,535
[12,535 (3.27% / 3.43%)]
E E = 5,010
[5,010 (1.31% / 1.37%)]
ESE ESE = 3,367
[3,367 (0.88% / 0.92%)]
SE SE = 6,034
[6,034 (1.57% / 1.65%)]
SSE SSE = 14,395
[14,395 (3.75% / 3.94%)]
S S = 27,473
[27,473 (7.16% / 7.52%)]
SSW SSW = 23,455
[23,455 (6.12% / 6.42%)]
SW SW = 14,386
[14,386 (3.75% / 3.94%)]
WSW WSW = 11,115
[11,115 (2.90% / 3.04%)]
W W = 10,172
[10,172 (2.65% / 2.78%)]
WNW WNW = 6,660
[6,660 (1.74% / 1.82%)]
NW NW = 12,423
[12,423 (3.24% / 3.40%)]
NNW NNW = 36,828
[36,828 (9.60% / 10.08%)]
N N = 70,611
[70,611 (18.41% / 19.33%)]

Missing observations (18,140 / 4.73%)

Wind Speed

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 38,677
[38,677 (10.09% / 10.57%)] [38,677 / 365,947 (10.57)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 136,823
[136,823 (35.68% / 37.39%)] [175,500 / 327,270 (47.96)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 116,670
[116,670 (30.42% / 31.88%)] [292,170 / 190,447 (79.84)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 45,083
[45,083 (11.76% / 12.32%)] [337,253 / 73,777 (92.16)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 16,043
[16,043 (4.18% / 4.38%)] [353,296 / 28,694 (96.54)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 6,977
[6,977 (1.82% / 1.91%)] [360,273 / 12,651 (98.45)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 3,051
[3,051 (0.80% / 0.83%)] [363,324 / 5,674 (99.28)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 1,347
[1,347 (0.35% / 0.37%)] [364,671 / 2,623 (99.65)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 651
[651 (0.17% / 0.18%)] [365,322 / 1,276 (99.83)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 318
[318 (0.08% / 0.09%)] [365,640 / 625 (99.92)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 145
[145 (0.04% / 0.04%)] [365,785 / 307 (99.96)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 65
[65 (0.02% / 0.02%)] [365,850 / 162 (99.97)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 38
[38 (0.01% / 0.01%)] [365,888 / 97 (99.98)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 35
[35 (0.01% / 0.01%)] [365,923 / 59 (99.99)]
13.5m/s - 14.4m/s 13.5m/s - 14.4m/s = 9
[9 (0.00% / 0.00%)] [365,932 / 24 (100.00)]
14.5m/s - 15.4m/s 14.5m/s - 15.4m/s = 7
[7 (0.00% / 0.00%)] [365,939 / 15 (100.00)]
15.5m/s - 16.4m/s 15.5m/s - 16.4m/s = 4
[4 (0.00% / 0.00%)] [365,943 / 8 (100.00)]
16.5m/s - 17.4m/s 16.5m/s - 17.4m/s = 2
[2 (0.00% / 0.00%)] [365,945 / 4 (100.00)]
17.5m/s - 18.4m/s 17.5m/s - 18.4m/s = 1
[1 (0.00% / 0.00%)] [365,946 / 2 (100.00)]
19.5m/s - 20.4m/s 19.5m/s - 20.4m/s = 1
[1 (0.00% / 0.00%)] [365,947 / 1 (100.00)]

Missing observations (17,539 / 4.57%)

Temperature

-6.5C - -5.6C -6.5C - -5.6C = 1
[1 (0.00% / 0.00%)] [1 / 365,623 (0.00)]
-5.5C - -4.6C -5.5C - -4.6C = 4
[4 (0.00% / 0.00%)] [5 / 365,622 (0.00)]
-4.5C - -3.6C -4.5C - -3.6C = 8
[8 (0.00% / 0.00%)] [13 / 365,618 (0.00)]
-3.5C - -2.6C -3.5C - -2.6C = 10
[10 (0.00% / 0.00%)] [23 / 365,610 (0.01)]
-2.5C - -1.6C -2.5C - -1.6C = 79
[79 (0.02% / 0.02%)] [102 / 365,600 (0.03)]
-1.5C - -0.6C -1.5C - -0.6C = 236
[236 (0.06% / 0.06%)] [338 / 365,521 (0.09)]
-0.5C - 0.4C -0.5C - 0.4C = 1,962
[1,962 (0.51% / 0.54%)] [2,300 / 365,285 (0.63)]
0.5C - 1.4C 0.5C - 1.4C = 2,592
[2,592 (0.68% / 0.71%)] [4,892 / 363,323 (1.34)]
1.5C - 2.4C 1.5C - 2.4C = 3,722
[3,722 (0.97% / 1.02%)] [8,614 / 360,731 (2.36)]
2.5C - 3.4C 2.5C - 3.4C = 4,898
[4,898 (1.28% / 1.34%)] [13,512 / 357,009 (3.70)]
3.5C - 4.4C 3.5C - 4.4C = 6,192
[6,192 (1.61% / 1.69%)] [19,704 / 352,111 (5.39)]
4.5C - 5.4C 4.5C - 5.4C = 7,799
[7,799 (2.03% / 2.13%)] [27,503 / 345,919 (7.52)]
5.5C - 6.4C 5.5C - 6.4C = 8,973
[8,973 (2.34% / 2.45%)] [36,476 / 338,120 (9.98)]
6.5C - 7.4C 6.5C - 7.4C = 10,239
[10,239 (2.67% / 2.80%)] [46,715 / 329,147 (12.78)]
7.5C - 8.4C 7.5C - 8.4C = 11,194
[11,194 (2.92% / 3.06%)] [57,909 / 318,908 (15.84)]
8.5C - 9.4C 8.5C - 9.4C = 11,856
[11,856 (3.09% / 3.24%)] [69,765 / 307,714 (19.08)]
9.5C - 10.4C 9.5C - 10.4C = 12,536
[12,536 (3.27% / 3.43%)] [82,301 / 295,858 (22.51)]
10.5C - 11.4C 10.5C - 11.4C = 12,962
[12,962 (3.38% / 3.55%)] [95,263 / 283,322 (26.05)]
11.5C - 12.4C 11.5C - 12.4C = 13,314
[13,314 (3.47% / 3.64%)] [108,577 / 270,360 (29.70)]
12.5C - 13.4C 12.5C - 13.4C = 12,877
[12,877 (3.36% / 3.52%)] [121,454 / 257,046 (33.22)]
13.5C - 14.4C 13.5C - 14.4C = 13,374
[13,374 (3.49% / 3.66%)] [134,828 / 244,169 (36.88)]
14.5C - 15.4C 14.5C - 15.4C = 13,421
[13,421 (3.50% / 3.67%)] [148,249 / 230,795 (40.55)]
15.5C - 16.4C 15.5C - 16.4C = 13,601
[13,601 (3.55% / 3.72%)] [161,850 / 217,374 (44.27)]
16.5C - 17.4C 16.5C - 17.4C = 14,566
[14,566 (3.80% / 3.98%)] [176,416 / 203,773 (48.25)]
17.5C - 18.4C 17.5C - 18.4C = 14,986
[14,986 (3.91% / 4.10%)] [191,402 / 189,207 (52.35)]
18.5C - 19.4C 18.5C - 19.4C = 15,179
[15,179 (3.96% / 4.15%)] [206,581 / 174,221 (56.50)]
19.5C - 20.4C 19.5C - 20.4C = 15,083
[15,083 (3.93% / 4.13%)] [221,664 / 159,042 (60.63)]
20.5C - 21.4C 20.5C - 21.4C = 15,337
[15,337 (4.00% / 4.19%)] [237,001 / 143,959 (64.82)]
21.5C - 22.4C 21.5C - 22.4C = 15,753
[15,753 (4.11% / 4.31%)] [252,754 / 128,622 (69.13)]
22.5C - 23.4C 22.5C - 23.4C = 16,325
[16,325 (4.26% / 4.46%)] [269,079 / 112,869 (73.59)]
23.5C - 24.4C 23.5C - 24.4C = 18,453
[18,453 (4.81% / 5.05%)] [287,532 / 96,544 (78.64)]
24.5C - 25.4C 24.5C - 25.4C = 18,980
[18,980 (4.95% / 5.19%)] [306,512 / 78,091 (83.83)]
25.5C - 26.4C 25.5C - 26.4C = 16,086
[16,086 (4.19% / 4.40%)] [322,598 / 59,111 (88.23)]
26.5C - 27.4C 26.5C - 27.4C = 13,032
[13,032 (3.40% / 3.56%)] [335,630 / 43,025 (91.80)]
27.5C - 28.4C 27.5C - 28.4C = 10,784
[10,784 (2.81% / 2.95%)] [346,414 / 29,993 (94.75)]
28.5C - 29.4C 28.5C - 29.4C = 8,707
[8,707 (2.27% / 2.38%)] [355,121 / 19,209 (97.13)]
29.5C - 30.4C 29.5C - 30.4C = 6,147
[6,147 (1.60% / 1.68%)] [361,268 / 10,502 (98.81)]
30.5C - 31.4C 30.5C - 31.4C = 3,017
[3,017 (0.79% / 0.83%)] [364,285 / 4,355 (99.63)]
31.5C - 32.4C 31.5C - 32.4C = 1,059
[1,059 (0.28% / 0.29%)] [365,344 / 1,338 (99.92)]
32.5C - 33.4C 32.5C - 33.4C = 201
[201 (0.05% / 0.05%)] [365,545 / 279 (99.98)]
33.5C - 34.4C 33.5C - 34.4C = 51
[51 (0.01% / 0.01%)] [365,596 / 78 (99.99)]
34.5C - 35.4C 34.5C - 35.4C = 22
[22 (0.01% / 0.01%)] [365,618 / 27 (100.00)]
35.5C - 36.4C 35.5C - 36.4C = 5
[5 (0.00% / 0.00%)] [365,623 / 5 (100.00)]

Missing observations (17,863 / 4.66%)

Sunshine Duration

0.0h 0.0h = 248,697
[248,697 (64.85% / 68.02%)] [248,697 / 365,614 (68.02)]
0.1h 0.1h = 7,756
[7,756 (2.02% / 2.12%)] [256,453 / 116,917 (70.14)]
0.2h 0.2h = 5,705
[5,705 (1.49% / 1.56%)] [262,158 / 109,161 (71.70)]
0.3h 0.3h = 5,164
[5,164 (1.35% / 1.41%)] [267,322 / 103,456 (73.12)]
0.4h 0.4h = 4,812
[4,812 (1.25% / 1.32%)] [272,134 / 98,292 (74.43)]
0.5h 0.5h = 4,901
[4,901 (1.28% / 1.34%)] [277,035 / 93,480 (75.77)]
0.6h 0.6h = 5,334
[5,334 (1.39% / 1.46%)] [282,369 / 88,579 (77.23)]
0.7h 0.7h = 5,398
[5,398 (1.41% / 1.48%)] [287,767 / 83,245 (78.71)]
0.8h 0.8h = 6,076
[6,076 (1.58% / 1.66%)] [293,843 / 77,847 (80.37)]
0.9h 0.9h = 8,603
[8,603 (2.24% / 2.35%)] [302,446 / 71,771 (82.72)]
1.0h 1.0h = 63,168
[63,168 (16.47% / 17.28%)] [365,614 / 63,168 (100.00)]

Missing observations (17,872 / 4.66%)