Station Number 74071
Prefecture Kochi [ Local Portal ]
Location 高知県長岡郡本山町本山 (NAGAOKA GUN MOTOYAMA CHO, KOCHI KEN)
Months of Observations 528
Number of Observations 385,704
Period of Observations
Period Name Lat. Long. Height Anemometer
1974/11/01 -- 1977/12/23 MOTOYAMA 33.760N 133.603E 250m 0.0m
1977/12/24 -- 1987/05/15 MOTOYAMA 33.760N 133.603E 250m 6.5m
1987/05/16 -- 2001/03/28 MOTOYAMA 33.760N 133.603E 250m 6.5m
2001/03/29 -- 2008/01/28 MOTOYAMA 33.753N 133.575E 252m 9.4m
2008/01/29 -- 2019/12/99 MOTOYAMA 33.753N 133.575E 252m 9.4m
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
74126 SHIGETO (Kochi) 13.16km 129deg.
74186 NANGOKU (Kochi) 18.83km 160deg.
73152 TOMISATO (Ehime) 18.95km 341deg.
74187 GOMEN (Kochi) 19.15km 160deg.
74181 KOCHI (Kochi) 20.78km 186deg.
74056 HONGAWA (Kochi) 22.00km 273deg.
74176 NARUYAMA (Kochi) 24.13km 222deg.
74188 NANKOKU-NISSHO (Kochi) 24.63km 159deg.
73151 SHIKOKU-CHUO (Ehime) 25.41km 1deg.
74136 ODOCHI (Kochi) 28.47km 102deg.
73141 NIIHAMA (Ehime) 29.96km 313deg.

Statistics for the Whole Period

Precipitation

0.0mm - 0.4mm 0.0mm - 0.4mm = 346,416
[346,416 (89.81% / 90.57%)] [346,416 / 382,468 (90.57)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 16,556
[16,556 (4.29% / 4.33%)] [362,972 / 36,052 (94.90)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 6,588
[6,588 (1.71% / 1.72%)] [369,560 / 19,496 (96.63)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 3,678
[3,678 (0.95% / 0.96%)] [373,238 / 12,908 (97.59)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 2,264
[2,264 (0.59% / 0.59%)] [375,502 / 9,230 (98.18)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 1,488
[1,488 (0.39% / 0.39%)] [376,990 / 6,966 (98.57)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 1,064
[1,064 (0.28% / 0.28%)] [378,054 / 5,478 (98.85)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 771
[771 (0.20% / 0.20%)] [378,825 / 4,414 (99.05)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 561
[561 (0.15% / 0.15%)] [379,386 / 3,643 (99.19)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 463
[463 (0.12% / 0.12%)] [379,849 / 3,082 (99.32)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 384
[384 (0.10% / 0.10%)] [380,233 / 2,619 (99.42)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 294
[294 (0.08% / 0.08%)] [380,527 / 2,235 (99.49)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 243
[243 (0.06% / 0.06%)] [380,770 / 1,941 (99.56)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 221
[221 (0.06% / 0.06%)] [380,991 / 1,698 (99.61)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 180
[180 (0.05% / 0.05%)] [381,171 / 1,477 (99.66)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 135
[135 (0.04% / 0.04%)] [381,306 / 1,297 (99.70)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 131
[131 (0.03% / 0.03%)] [381,437 / 1,162 (99.73)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 109
[109 (0.03% / 0.03%)] [381,546 / 1,031 (99.76)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 105
[105 (0.03% / 0.03%)] [381,651 / 922 (99.79)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 71
[71 (0.02% / 0.02%)] [381,722 / 817 (99.80)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 68
[68 (0.02% / 0.02%)] [381,790 / 746 (99.82)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 55
[55 (0.01% / 0.01%)] [381,845 / 678 (99.84)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 60
[60 (0.02% / 0.02%)] [381,905 / 623 (99.85)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 56
[56 (0.01% / 0.01%)] [381,961 / 563 (99.87)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 54
[54 (0.01% / 0.01%)] [382,015 / 507 (99.88)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 42
[42 (0.01% / 0.01%)] [382,057 / 453 (99.89)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 46
[46 (0.01% / 0.01%)] [382,103 / 411 (99.90)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 33
[33 (0.01% / 0.01%)] [382,136 / 365 (99.91)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 34
[34 (0.01% / 0.01%)] [382,170 / 332 (99.92)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 36
[36 (0.01% / 0.01%)] [382,206 / 298 (99.93)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 15
[15 (0.00% / 0.00%)] [382,221 / 262 (99.94)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 24
[24 (0.01% / 0.01%)] [382,245 / 247 (99.94)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 20
[20 (0.01% / 0.01%)] [382,265 / 223 (99.95)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 21
[21 (0.01% / 0.01%)] [382,286 / 203 (99.95)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 13
[13 (0.00% / 0.00%)] [382,299 / 182 (99.96)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 15
[15 (0.00% / 0.00%)] [382,314 / 169 (99.96)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 14
[14 (0.00% / 0.00%)] [382,328 / 154 (99.96)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 5
[5 (0.00% / 0.00%)] [382,333 / 140 (99.96)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 17
[17 (0.00% / 0.00%)] [382,350 / 135 (99.97)]
38.5mm - 39.4mm 38.5mm - 39.4mm = 10
[10 (0.00% / 0.00%)] [382,360 / 118 (99.97)]
39.5mm - 40.4mm 39.5mm - 40.4mm = 5
[5 (0.00% / 0.00%)] [382,365 / 108 (99.97)]
40.5mm - 41.4mm 40.5mm - 41.4mm = 5
[5 (0.00% / 0.00%)] [382,370 / 103 (99.97)]
41.5mm - 42.4mm 41.5mm - 42.4mm = 8
[8 (0.00% / 0.00%)] [382,378 / 98 (99.98)]
42.5mm - 43.4mm 42.5mm - 43.4mm = 10
[10 (0.00% / 0.00%)] [382,388 / 90 (99.98)]
43.5mm - 44.4mm 43.5mm - 44.4mm = 7
[7 (0.00% / 0.00%)] [382,395 / 80 (99.98)]
44.5mm - 45.4mm 44.5mm - 45.4mm = 5
[5 (0.00% / 0.00%)] [382,400 / 73 (99.98)]
45.5mm - 46.4mm 45.5mm - 46.4mm = 9
[9 (0.00% / 0.00%)] [382,409 / 68 (99.98)]
46.5mm - 47.4mm 46.5mm - 47.4mm = 5
[5 (0.00% / 0.00%)] [382,414 / 59 (99.99)]
47.5mm - 48.4mm 47.5mm - 48.4mm = 1
[1 (0.00% / 0.00%)] [382,415 / 54 (99.99)]
48.5mm - 49.4mm 48.5mm - 49.4mm = 7
[7 (0.00% / 0.00%)] [382,422 / 53 (99.99)]
49.5mm - 50.4mm 49.5mm - 50.4mm = 4
[4 (0.00% / 0.00%)] [382,426 / 46 (99.99)]
50.5mm - 51.4mm 50.5mm - 51.4mm = 2
[2 (0.00% / 0.00%)] [382,428 / 42 (99.99)]
51.5mm - 52.4mm 51.5mm - 52.4mm = 2
[2 (0.00% / 0.00%)] [382,430 / 40 (99.99)]
52.5mm - 53.4mm 52.5mm - 53.4mm = 2
[2 (0.00% / 0.00%)] [382,432 / 38 (99.99)]
53.5mm - 54.4mm 53.5mm - 54.4mm = 2
[2 (0.00% / 0.00%)] [382,434 / 36 (99.99)]
54.5mm - 55.4mm 54.5mm - 55.4mm = 6
[6 (0.00% / 0.00%)] [382,440 / 34 (99.99)]
55.5mm - 56.4mm 55.5mm - 56.4mm = 1
[1 (0.00% / 0.00%)] [382,441 / 28 (99.99)]
56.5mm - 57.4mm 56.5mm - 57.4mm = 1
[1 (0.00% / 0.00%)] [382,442 / 27 (99.99)]
57.5mm - 58.4mm 57.5mm - 58.4mm = 2
[2 (0.00% / 0.00%)] [382,444 / 26 (99.99)]
59.5mm - 60.4mm 59.5mm - 60.4mm = 1
[1 (0.00% / 0.00%)] [382,445 / 24 (99.99)]
60.5mm - 61.4mm 60.5mm - 61.4mm = 2
[2 (0.00% / 0.00%)] [382,447 / 23 (99.99)]
61.5mm - 62.4mm 61.5mm - 62.4mm = 4
[4 (0.00% / 0.00%)] [382,451 / 21 (100.00)]
62.5mm - 63.4mm 62.5mm - 63.4mm = 1
[1 (0.00% / 0.00%)] [382,452 / 17 (100.00)]
63.5mm - 64.4mm 63.5mm - 64.4mm = 1
[1 (0.00% / 0.00%)] [382,453 / 16 (100.00)]
65.5mm - 66.4mm 65.5mm - 66.4mm = 1
[1 (0.00% / 0.00%)] [382,454 / 15 (100.00)]
66.5mm - 67.4mm 66.5mm - 67.4mm = 1
[1 (0.00% / 0.00%)] [382,455 / 14 (100.00)]
67.5mm - 68.4mm 67.5mm - 68.4mm = 1
[1 (0.00% / 0.00%)] [382,456 / 13 (100.00)]
70.5mm - 71.4mm 70.5mm - 71.4mm = 1
[1 (0.00% / 0.00%)] [382,457 / 12 (100.00)]
71.5mm - 72.4mm 71.5mm - 72.4mm = 2
[2 (0.00% / 0.00%)] [382,459 / 11 (100.00)]
72.5mm - 73.4mm 72.5mm - 73.4mm = 2
[2 (0.00% / 0.00%)] [382,461 / 9 (100.00)]
73.5mm - 74.4mm 73.5mm - 74.4mm = 1
[1 (0.00% / 0.00%)] [382,462 / 7 (100.00)]
74.5mm - 75.4mm 74.5mm - 75.4mm = 1
[1 (0.00% / 0.00%)] [382,463 / 6 (100.00)]
75.5mm - 76.4mm 75.5mm - 76.4mm = 2
[2 (0.00% / 0.00%)] [382,465 / 5 (100.00)]
79.5mm - 80.4mm 79.5mm - 80.4mm = 1
[1 (0.00% / 0.00%)] [382,466 / 3 (100.00)]
82.5mm - 83.4mm 82.5mm - 83.4mm = 1
[1 (0.00% / 0.00%)] [382,467 / 2 (100.00)]
101.5mm - 102.4mm 101.5mm - 102.4mm = 1
[1 (0.00% / 0.00%)] [382,468 / 1 (100.00)]

Missing observations (3,236 / 0.84%)

Wind Direction

Calm Calm = 142,295
[142,295 (36.89% / 38.85%)]
NNE NNE = 8,649
[8,649 (2.24% / 2.36%)]
NE NE = 22,695
[22,695 (5.88% / 6.20%)]
ENE ENE = 25,297
[25,297 (6.56% / 6.91%)]
E E = 21,620
[21,620 (5.61% / 5.90%)]
ESE ESE = 25,195
[25,195 (6.53% / 6.88%)]
SE SE = 19,379
[19,379 (5.02% / 5.29%)]
SSE SSE = 10,053
[10,053 (2.61% / 2.74%)]
S S = 7,060
[7,060 (1.83% / 1.93%)]
SSW SSW = 9,851
[9,851 (2.55% / 2.69%)]
SW SW = 19,252
[19,252 (4.99% / 5.26%)]
WSW WSW = 19,089
[19,089 (4.95% / 5.21%)]
W W = 10,607
[10,607 (2.75% / 2.90%)]
WNW WNW = 9,459
[9,459 (2.45% / 2.58%)]
NW NW = 6,646
[6,646 (1.72% / 1.81%)]
NNW NNW = 4,438
[4,438 (1.15% / 1.21%)]
N N = 4,704
[4,704 (1.22% / 1.28%)]

Missing observations (19,415 / 5.03%)

Wind Speed

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 153,723
[153,723 (39.86% / 41.96%)] [153,723 / 366,385 (41.96)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 139,075
[139,075 (36.06% / 37.96%)] [292,798 / 212,662 (79.92)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 51,459
[51,459 (13.34% / 14.05%)] [344,257 / 73,587 (93.96)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 16,381
[16,381 (4.25% / 4.47%)] [360,638 / 22,128 (98.43)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 4,344
[4,344 (1.13% / 1.19%)] [364,982 / 5,747 (99.62)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 1,009
[1,009 (0.26% / 0.28%)] [365,991 / 1,403 (99.89)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 267
[267 (0.07% / 0.07%)] [366,258 / 394 (99.97)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 94
[94 (0.02% / 0.03%)] [366,352 / 127 (99.99)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 27
[27 (0.01% / 0.01%)] [366,379 / 33 (100.00)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 6
[6 (0.00% / 0.00%)] [366,385 / 6 (100.00)]

Missing observations (19,319 / 5.01%)

Temperature

-7.5C - -6.6C -7.5C - -6.6C = 19
[19 (0.00% / 0.01%)] [19 / 367,315 (0.01)]
-6.5C - -5.6C -6.5C - -5.6C = 74
[74 (0.02% / 0.02%)] [93 / 367,296 (0.03)]
-5.5C - -4.6C -5.5C - -4.6C = 207
[207 (0.05% / 0.06%)] [300 / 367,222 (0.08)]
-4.5C - -3.6C -4.5C - -3.6C = 587
[587 (0.15% / 0.16%)] [887 / 367,015 (0.24)]
-3.5C - -2.6C -3.5C - -2.6C = 1,321
[1,321 (0.34% / 0.36%)] [2,208 / 366,428 (0.60)]
-2.5C - -1.6C -2.5C - -1.6C = 3,017
[3,017 (0.78% / 0.82%)] [5,225 / 365,107 (1.42)]
-1.5C - -0.6C -1.5C - -0.6C = 5,219
[5,219 (1.35% / 1.42%)] [10,444 / 362,090 (2.84)]
-0.5C - 0.4C -0.5C - 0.4C = 14,302
[14,302 (3.71% / 3.89%)] [24,746 / 356,871 (6.74)]
0.5C - 1.4C 0.5C - 1.4C = 9,523
[9,523 (2.47% / 2.59%)] [34,269 / 342,569 (9.33)]
1.5C - 2.4C 1.5C - 2.4C = 9,763
[9,763 (2.53% / 2.66%)] [44,032 / 333,046 (11.99)]
2.5C - 3.4C 2.5C - 3.4C = 10,797
[10,797 (2.80% / 2.94%)] [54,829 / 323,283 (14.93)]
3.5C - 4.4C 3.5C - 4.4C = 11,241
[11,241 (2.91% / 3.06%)] [66,070 / 312,486 (17.99)]
4.5C - 5.4C 4.5C - 5.4C = 12,090
[12,090 (3.13% / 3.29%)] [78,160 / 301,245 (21.28)]
5.5C - 6.4C 5.5C - 6.4C = 11,869
[11,869 (3.08% / 3.23%)] [90,029 / 289,155 (24.51)]
6.5C - 7.4C 6.5C - 7.4C = 11,955
[11,955 (3.10% / 3.25%)] [101,984 / 277,286 (27.76)]
7.5C - 8.4C 7.5C - 8.4C = 11,994
[11,994 (3.11% / 3.27%)] [113,978 / 265,331 (31.03)]
8.5C - 9.4C 8.5C - 9.4C = 11,884
[11,884 (3.08% / 3.24%)] [125,862 / 253,337 (34.27)]
9.5C - 10.4C 9.5C - 10.4C = 11,883
[11,883 (3.08% / 3.24%)] [137,745 / 241,453 (37.50)]
10.5C - 11.4C 10.5C - 11.4C = 11,678
[11,678 (3.03% / 3.18%)] [149,423 / 229,570 (40.68)]
11.5C - 12.4C 11.5C - 12.4C = 11,764
[11,764 (3.05% / 3.20%)] [161,187 / 217,892 (43.88)]
12.5C - 13.4C 12.5C - 13.4C = 11,939
[11,939 (3.10% / 3.25%)] [173,126 / 206,128 (47.13)]
13.5C - 14.4C 13.5C - 14.4C = 11,877
[11,877 (3.08% / 3.23%)] [185,003 / 194,189 (50.37)]
14.5C - 15.4C 14.5C - 15.4C = 11,743
[11,743 (3.04% / 3.20%)] [196,746 / 182,312 (53.56)]
15.5C - 16.4C 15.5C - 16.4C = 12,089
[12,089 (3.13% / 3.29%)] [208,835 / 170,569 (56.85)]
16.5C - 17.4C 16.5C - 17.4C = 12,152
[12,152 (3.15% / 3.31%)] [220,987 / 158,480 (60.16)]
17.5C - 18.4C 17.5C - 18.4C = 12,401
[12,401 (3.22% / 3.38%)] [233,388 / 146,328 (63.54)]
18.5C - 19.4C 18.5C - 19.4C = 12,505
[12,505 (3.24% / 3.40%)] [245,893 / 133,927 (66.94)]
19.5C - 20.4C 19.5C - 20.4C = 12,910
[12,910 (3.35% / 3.51%)] [258,803 / 121,422 (70.46)]
20.5C - 21.4C 20.5C - 21.4C = 14,765
[14,765 (3.83% / 4.02%)] [273,568 / 108,512 (74.48)]
21.5C - 22.4C 21.5C - 22.4C = 17,470
[17,470 (4.53% / 4.76%)] [291,038 / 93,747 (79.23)]
22.5C - 23.4C 22.5C - 23.4C = 18,272
[18,272 (4.74% / 4.97%)] [309,310 / 76,277 (84.21)]
23.5C - 24.4C 23.5C - 24.4C = 14,836
[14,836 (3.85% / 4.04%)] [324,146 / 58,005 (88.25)]
24.5C - 25.4C 24.5C - 25.4C = 10,243
[10,243 (2.66% / 2.79%)] [334,389 / 43,169 (91.04)]
25.5C - 26.4C 25.5C - 26.4C = 7,768
[7,768 (2.01% / 2.11%)] [342,157 / 32,926 (93.15)]
26.5C - 27.4C 26.5C - 27.4C = 6,161
[6,161 (1.60% / 1.68%)] [348,318 / 25,158 (94.83)]
27.5C - 28.4C 27.5C - 28.4C = 5,059
[5,059 (1.31% / 1.38%)] [353,377 / 18,997 (96.21)]
28.5C - 29.4C 28.5C - 29.4C = 4,406
[4,406 (1.14% / 1.20%)] [357,783 / 13,938 (97.40)]
29.5C - 30.4C 29.5C - 30.4C = 3,408
[3,408 (0.88% / 0.93%)] [361,191 / 9,532 (98.33)]
30.5C - 31.4C 30.5C - 31.4C = 2,512
[2,512 (0.65% / 0.68%)] [363,703 / 6,124 (99.02)]
31.5C - 32.4C 31.5C - 32.4C = 1,765
[1,765 (0.46% / 0.48%)] [365,468 / 3,612 (99.50)]
32.5C - 33.4C 32.5C - 33.4C = 1,059
[1,059 (0.27% / 0.29%)] [366,527 / 1,847 (99.79)]
33.5C - 34.4C 33.5C - 34.4C = 538
[538 (0.14% / 0.15%)] [367,065 / 788 (99.93)]
34.5C - 35.4C 34.5C - 35.4C = 180
[180 (0.05% / 0.05%)] [367,245 / 250 (99.98)]
35.5C - 36.4C 35.5C - 36.4C = 53
[53 (0.01% / 0.01%)] [367,298 / 70 (100.00)]
36.5C - 37.4C 36.5C - 37.4C = 15
[15 (0.00% / 0.00%)] [367,313 / 17 (100.00)]
37.5C - 38.4C 37.5C - 38.4C = 2
[2 (0.00% / 0.00%)] [367,315 / 2 (100.00)]

Missing observations (18,389 / 4.77%)

Sunshine Duration

0.0h 0.0h = 261,998
[261,998 (67.93% / 71.54%)] [261,998 / 366,249 (71.54)]
0.1h 0.1h = 9,725
[9,725 (2.52% / 2.66%)] [271,723 / 104,251 (74.19)]
0.2h 0.2h = 7,066
[7,066 (1.83% / 1.93%)] [278,789 / 94,526 (76.12)]
0.3h 0.3h = 6,090
[6,090 (1.58% / 1.66%)] [284,879 / 87,460 (77.78)]
0.4h 0.4h = 5,800
[5,800 (1.50% / 1.58%)] [290,679 / 81,370 (79.37)]
0.5h 0.5h = 5,781
[5,781 (1.50% / 1.58%)] [296,460 / 75,570 (80.94)]
0.6h 0.6h = 5,505
[5,505 (1.43% / 1.50%)] [301,965 / 69,789 (82.45)]
0.7h 0.7h = 5,790
[5,790 (1.50% / 1.58%)] [307,755 / 64,284 (84.03)]
0.8h 0.8h = 6,199
[6,199 (1.61% / 1.69%)] [313,954 / 58,494 (85.72)]
0.9h 0.9h = 7,923
[7,923 (2.05% / 2.16%)] [321,877 / 52,295 (87.88)]
1.0h 1.0h = 44,372
[44,372 (11.50% / 12.12%)] [366,249 / 44,372 (100.00)]

Missing observations (19,455 / 5.04%)