Station Number 81321
Prefecture Yamaguchi [ Local Portal ]
Location 山口県岩国市川西 (IWAKUNI SHI, YAMAGUCHI KEN)
Months of Observations 463
Number of Observations 337,665
Period of Observations
Period Name Lat. Long. Height Anemometer
1977/02/22 -- 1986/04/23 IWAKUNI 34.155N 132.178E 41m 6.5m
1986/04/24 -- 2006/11/09 IWAKUNI 34.155N 132.178E 41m 6.5m
2006/11/10 -- 2015/08/99 IWAKUNI 34.155N 132.178E 41m 10.0m
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
81326 IWAKUNI (Yamaguchi) 1.84km 89deg.
67496 OTAKE (Hiroshima) 8.38km 27deg.
81397 KUGA (Yamaguchi) 11.60km 235deg.
81396 SHUTO (Yamaguchi) 14.34km 238deg.
81481 YANAI (Yamaguchi) 22.66km 195deg.
67421 HATSUKAICHITSUTA (Hiroshima) 23.32km 2deg.
81231 HIROSE (Yamaguchi) 23.97km 299deg.
81167 RAKANZAN (Yamaguchi) 24.09km 333deg.
67566 KURAHASHI (Hiroshima) 29.44km 103deg.
81486 AGENOSHO (Yamaguchi) 29.90km 159deg.

Statistics for the Whole Period

Precipitation

0.0mm - 0.4mm 0.0mm - 0.4mm = 312,634
[312,634 (92.59% / 92.97%)] [312,634 / 336,288 (92.97%)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 10,549
[10,549 (3.12% / 3.14%)] [323,183 / 23,654 (96.10%)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 4,642
[4,642 (1.37% / 1.38%)] [327,825 / 13,105 (97.48%)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 2,669
[2,669 (0.79% / 0.79%)] [330,494 / 8,463 (98.28%)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 1,739
[1,739 (0.52% / 0.52%)] [332,233 / 5,794 (98.79%)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 1,048
[1,048 (0.31% / 0.31%)] [333,281 / 4,055 (99.11%)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 765
[765 (0.23% / 0.23%)] [334,046 / 3,007 (99.33%)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 547
[547 (0.16% / 0.16%)] [334,593 / 2,242 (99.50%)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 375
[375 (0.11% / 0.11%)] [334,968 / 1,695 (99.61%)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 310
[310 (0.09% / 0.09%)] [335,278 / 1,320 (99.70%)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 197
[197 (0.06% / 0.06%)] [335,475 / 1,010 (99.76%)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 176
[176 (0.05% / 0.05%)] [335,651 / 813 (99.81%)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 112
[112 (0.03% / 0.03%)] [335,763 / 637 (99.84%)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 91
[91 (0.03% / 0.03%)] [335,854 / 525 (99.87%)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 58
[58 (0.02% / 0.02%)] [335,912 / 434 (99.89%)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 51
[51 (0.02% / 0.02%)] [335,963 / 376 (99.90%)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 53
[53 (0.02% / 0.02%)] [336,016 / 325 (99.92%)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 31
[31 (0.01% / 0.01%)] [336,047 / 272 (99.93%)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 35
[35 (0.01% / 0.01%)] [336,082 / 241 (99.94%)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 23
[23 (0.01% / 0.01%)] [336,105 / 206 (99.95%)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 23
[23 (0.01% / 0.01%)] [336,128 / 183 (99.95%)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 24
[24 (0.01% / 0.01%)] [336,152 / 160 (99.96%)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 15
[15 (0.00% / 0.00%)] [336,167 / 136 (99.96%)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 12
[12 (0.00% / 0.00%)] [336,179 / 121 (99.97%)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 19
[19 (0.01% / 0.01%)] [336,198 / 109 (99.97%)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 16
[16 (0.00% / 0.00%)] [336,214 / 90 (99.98%)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 11
[11 (0.00% / 0.00%)] [336,225 / 74 (99.98%)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 6
[6 (0.00% / 0.00%)] [336,231 / 63 (99.98%)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 4
[4 (0.00% / 0.00%)] [336,235 / 57 (99.98%)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 6
[6 (0.00% / 0.00%)] [336,241 / 53 (99.99%)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 4
[4 (0.00% / 0.00%)] [336,245 / 47 (99.99%)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 6
[6 (0.00% / 0.00%)] [336,251 / 43 (99.99%)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 2
[2 (0.00% / 0.00%)] [336,253 / 37 (99.99%)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 2
[2 (0.00% / 0.00%)] [336,255 / 35 (99.99%)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 3
[3 (0.00% / 0.00%)] [336,258 / 33 (99.99%)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 2
[2 (0.00% / 0.00%)] [336,260 / 30 (99.99%)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 4
[4 (0.00% / 0.00%)] [336,264 / 28 (99.99%)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 4
[4 (0.00% / 0.00%)] [336,268 / 24 (99.99%)]
38.5mm - 39.4mm 38.5mm - 39.4mm = 3
[3 (0.00% / 0.00%)] [336,271 / 20 (99.99%)]
41.5mm - 42.4mm 41.5mm - 42.4mm = 3
[3 (0.00% / 0.00%)] [336,274 / 17 (100.00%)]
42.5mm - 43.4mm 42.5mm - 43.4mm = 3
[3 (0.00% / 0.00%)] [336,277 / 14 (100.00%)]
43.5mm - 44.4mm 43.5mm - 44.4mm = 1
[1 (0.00% / 0.00%)] [336,278 / 11 (100.00%)]
45.5mm - 46.4mm 45.5mm - 46.4mm = 1
[1 (0.00% / 0.00%)] [336,279 / 10 (100.00%)]
46.5mm - 47.4mm 46.5mm - 47.4mm = 3
[3 (0.00% / 0.00%)] [336,282 / 9 (100.00%)]
47.5mm - 48.4mm 47.5mm - 48.4mm = 1
[1 (0.00% / 0.00%)] [336,283 / 6 (100.00%)]
51.5mm - 52.4mm 51.5mm - 52.4mm = 1
[1 (0.00% / 0.00%)] [336,284 / 5 (100.00%)]
54.5mm - 55.4mm 54.5mm - 55.4mm = 1
[1 (0.00% / 0.00%)] [336,285 / 4 (100.00%)]
60.5mm - 61.4mm 60.5mm - 61.4mm = 1
[1 (0.00% / 0.00%)] [336,286 / 3 (100.00%)]
65.5mm - 66.4mm 65.5mm - 66.4mm = 1
[1 (0.00% / 0.00%)] [336,287 / 2 (100.00%)]
67.5mm - 68.4mm 67.5mm - 68.4mm = 1
[1 (0.00% / 0.00%)] [336,288 / 1 (100.00%)]

Missing observations (1,377 / 0.41%)

Wind Direction

Calm Calm = 67,074
[67,074 (19.86% / 19.89%)] [0 / 0 (NA)]
NNE NNE = 17,760
[17,760 (5.26% / 5.27%)] [0 / 0 (NA)]
NE NE = 7,211
[7,211 (2.14% / 2.14%)] [0 / 0 (NA)]
ENE ENE = 6,221
[6,221 (1.84% / 1.84%)] [0 / 0 (NA)]
E E = 7,722
[7,722 (2.29% / 2.29%)] [0 / 0 (NA)]
ESE ESE = 8,356
[8,356 (2.47% / 2.48%)] [0 / 0 (NA)]
SE SE = 14,738
[14,738 (4.36% / 4.37%)] [0 / 0 (NA)]
SSE SSE = 16,207
[16,207 (4.80% / 4.81%)] [0 / 0 (NA)]
S S = 8,595
[8,595 (2.55% / 2.55%)] [0 / 0 (NA)]
SSW SSW = 13,681
[13,681 (4.05% / 4.06%)] [0 / 0 (NA)]
SW SW = 27,179
[27,179 (8.05% / 8.06%)] [0 / 0 (NA)]
WSW WSW = 28,750
[28,750 (8.51% / 8.53%)] [0 / 0 (NA)]
W W = 16,716
[16,716 (4.95% / 4.96%)] [0 / 0 (NA)]
WNW WNW = 11,727
[11,727 (3.47% / 3.48%)] [0 / 0 (NA)]
NW NW = 16,656
[16,656 (4.93% / 4.94%)] [0 / 0 (NA)]
NNW NNW = 30,635
[30,635 (9.07% / 9.08%)] [0 / 0 (NA)]
N N = 37,978
[37,978 (11.25% / 11.26%)] [0 / 0 (NA)]

Missing observations (459 / 0.14%)

Wind Speed

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 71,085
[71,085 (21.05% / 21.07%)] [71,085 / 337,309 (21.07%)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 139,925
[139,925 (41.44% / 41.48%)] [211,010 / 266,224 (62.56%)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 76,671
[76,671 (22.71% / 22.73%)] [287,681 / 126,299 (85.29%)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 33,157
[33,157 (9.82% / 9.83%)] [320,838 / 49,628 (95.12%)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 11,731
[11,731 (3.47% / 3.48%)] [332,569 / 16,471 (98.59%)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 3,395
[3,395 (1.01% / 1.01%)] [335,964 / 4,740 (99.60%)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 917
[917 (0.27% / 0.27%)] [336,881 / 1,345 (99.87%)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 271
[271 (0.08% / 0.08%)] [337,152 / 428 (99.95%)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 89
[89 (0.03% / 0.03%)] [337,241 / 157 (99.98%)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 37
[37 (0.01% / 0.01%)] [337,278 / 68 (99.99%)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 19
[19 (0.01% / 0.01%)] [337,297 / 31 (100.00%)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 6
[6 (0.00% / 0.00%)] [337,303 / 12 (100.00%)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 2
[2 (0.00% / 0.00%)] [337,305 / 6 (100.00%)]
13.5m/s - 14.4m/s 13.5m/s - 14.4m/s = 2
[2 (0.00% / 0.00%)] [337,307 / 4 (100.00%)]
14.5m/s - 15.4m/s 14.5m/s - 15.4m/s = 2
[2 (0.00% / 0.00%)] [337,309 / 2 (100.00%)]

Missing observations (356 / 0.11%)

Temperature

-7.5C - -6.6C -7.5C - -6.6C = 4
[4 (0.00% / 0.00%)] [4 / 337,311 (0.00%)]
-6.5C - -5.6C -6.5C - -5.6C = 21
[21 (0.01% / 0.01%)] [25 / 337,307 (0.01%)]
-5.5C - -4.6C -5.5C - -4.6C = 33
[33 (0.01% / 0.01%)] [58 / 337,286 (0.02%)]
-4.5C - -3.6C -4.5C - -3.6C = 125
[125 (0.04% / 0.04%)] [183 / 337,253 (0.05%)]
-3.5C - -2.6C -3.5C - -2.6C = 377
[377 (0.11% / 0.11%)] [560 / 337,128 (0.17%)]
-2.5C - -1.6C -2.5C - -1.6C = 1,127
[1,127 (0.33% / 0.33%)] [1,687 / 336,751 (0.50%)]
-1.5C - -0.6C -1.5C - -0.6C = 2,657
[2,657 (0.79% / 0.79%)] [4,344 / 335,624 (1.29%)]
-0.5C - 0.4C -0.5C - 0.4C = 10,631
[10,631 (3.15% / 3.15%)] [14,975 / 332,967 (4.44%)]
0.5C - 1.4C 0.5C - 1.4C = 7,537
[7,537 (2.23% / 2.23%)] [22,512 / 322,336 (6.67%)]
1.5C - 2.4C 1.5C - 2.4C = 8,242
[8,242 (2.44% / 2.44%)] [30,754 / 314,799 (9.12%)]
2.5C - 3.4C 2.5C - 3.4C = 8,706
[8,706 (2.58% / 2.58%)] [39,460 / 306,557 (11.70%)]
3.5C - 4.4C 3.5C - 4.4C = 9,996
[9,996 (2.96% / 2.96%)] [49,456 / 297,851 (14.66%)]
4.5C - 5.4C 4.5C - 5.4C = 10,619
[10,619 (3.14% / 3.15%)] [60,075 / 287,855 (17.81%)]
5.5C - 6.4C 5.5C - 6.4C = 11,739
[11,739 (3.48% / 3.48%)] [71,814 / 277,236 (21.29%)]
6.5C - 7.4C 6.5C - 7.4C = 11,839
[11,839 (3.51% / 3.51%)] [83,653 / 265,497 (24.80%)]
7.5C - 8.4C 7.5C - 8.4C = 11,950
[11,950 (3.54% / 3.54%)] [95,603 / 253,658 (28.34%)]
8.5C - 9.4C 8.5C - 9.4C = 11,774
[11,774 (3.49% / 3.49%)] [107,377 / 241,708 (31.83%)]
9.5C - 10.4C 9.5C - 10.4C = 11,375
[11,375 (3.37% / 3.37%)] [118,752 / 229,934 (35.21%)]
10.5C - 11.4C 10.5C - 11.4C = 11,044
[11,044 (3.27% / 3.27%)] [129,796 / 218,559 (38.48%)]
11.5C - 12.4C 11.5C - 12.4C = 11,013
[11,013 (3.26% / 3.26%)] [140,809 / 207,515 (41.74%)]
12.5C - 13.4C 12.5C - 13.4C = 10,499
[10,499 (3.11% / 3.11%)] [151,308 / 196,502 (44.86%)]
13.5C - 14.4C 13.5C - 14.4C = 10,515
[10,515 (3.11% / 3.12%)] [161,823 / 186,003 (47.97%)]
14.5C - 15.4C 14.5C - 15.4C = 10,490
[10,490 (3.11% / 3.11%)] [172,313 / 175,488 (51.08%)]
15.5C - 16.4C 15.5C - 16.4C = 10,895
[10,895 (3.23% / 3.23%)] [183,208 / 164,998 (54.31%)]
16.5C - 17.4C 16.5C - 17.4C = 10,712
[10,712 (3.17% / 3.18%)] [193,920 / 154,103 (57.49%)]
17.5C - 18.4C 17.5C - 18.4C = 11,186
[11,186 (3.31% / 3.32%)] [205,106 / 143,391 (60.81%)]
18.5C - 19.4C 18.5C - 19.4C = 11,598
[11,598 (3.43% / 3.44%)] [216,704 / 132,205 (64.24%)]
19.5C - 20.4C 19.5C - 20.4C = 12,061
[12,061 (3.57% / 3.58%)] [228,765 / 120,607 (67.82%)]
20.5C - 21.4C 20.5C - 21.4C = 11,901
[11,901 (3.52% / 3.53%)] [240,666 / 108,546 (71.35%)]
21.5C - 22.4C 21.5C - 22.4C = 12,751
[12,751 (3.78% / 3.78%)] [253,417 / 96,645 (75.13%)]
22.5C - 23.4C 22.5C - 23.4C = 14,070
[14,070 (4.17% / 4.17%)] [267,487 / 83,894 (79.30%)]
23.5C - 24.4C 23.5C - 24.4C = 14,508
[14,508 (4.30% / 4.30%)] [281,995 / 69,824 (83.60%)]
24.5C - 25.4C 24.5C - 25.4C = 12,673
[12,673 (3.75% / 3.76%)] [294,668 / 55,316 (87.36%)]
25.5C - 26.4C 25.5C - 26.4C = 10,339
[10,339 (3.06% / 3.07%)] [305,007 / 42,643 (90.42%)]
26.5C - 27.4C 26.5C - 27.4C = 8,279
[8,279 (2.45% / 2.45%)] [313,286 / 32,304 (92.88%)]
27.5C - 28.4C 27.5C - 28.4C = 6,675
[6,675 (1.98% / 1.98%)] [319,961 / 24,025 (94.86%)]
28.5C - 29.4C 28.5C - 29.4C = 5,311
[5,311 (1.57% / 1.57%)] [325,272 / 17,350 (96.43%)]
29.5C - 30.4C 29.5C - 30.4C = 4,354
[4,354 (1.29% / 1.29%)] [329,626 / 12,039 (97.72%)]
30.5C - 31.4C 30.5C - 31.4C = 3,317
[3,317 (0.98% / 0.98%)] [332,943 / 7,685 (98.71%)]
31.5C - 32.4C 31.5C - 32.4C = 2,324
[2,324 (0.69% / 0.69%)] [335,267 / 4,368 (99.39%)]
32.5C - 33.4C 32.5C - 33.4C = 1,254
[1,254 (0.37% / 0.37%)] [336,521 / 2,044 (99.77%)]
33.5C - 34.4C 33.5C - 34.4C = 601
[601 (0.18% / 0.18%)] [337,122 / 790 (99.94%)]
34.5C - 35.4C 34.5C - 35.4C = 166
[166 (0.05% / 0.05%)] [337,288 / 189 (99.99%)]
35.5C - 36.4C 35.5C - 36.4C = 23
[23 (0.01% / 0.01%)] [337,311 / 23 (100.00%)]

Missing observations (354 / 0.10%)

Sunshine Duration

0.0h 0.0h = 230,018
[230,018 (68.12% / 68.25%)] [230,018 / 337,043 (68.25%)]
0.1h 0.1h = 8,033
[8,033 (2.38% / 2.38%)] [238,051 / 107,025 (70.63%)]
0.2h 0.2h = 6,526
[6,526 (1.93% / 1.94%)] [244,577 / 98,992 (72.57%)]
0.3h 0.3h = 5,942
[5,942 (1.76% / 1.76%)] [250,519 / 92,466 (74.33%)]
0.4h 0.4h = 5,797
[5,797 (1.72% / 1.72%)] [256,316 / 86,524 (76.05%)]
0.5h 0.5h = 5,833
[5,833 (1.73% / 1.73%)] [262,149 / 80,727 (77.78%)]
0.6h 0.6h = 6,005
[6,005 (1.78% / 1.78%)] [268,154 / 74,894 (79.56%)]
0.7h 0.7h = 6,134
[6,134 (1.82% / 1.82%)] [274,288 / 68,889 (81.38%)]
0.8h 0.8h = 6,599
[6,599 (1.95% / 1.96%)] [280,887 / 62,755 (83.34%)]
0.9h 0.9h = 8,676
[8,676 (2.57% / 2.57%)] [289,563 / 56,156 (85.91%)]
1.0h 1.0h = 47,480
[47,480 (14.06% / 14.09%)] [337,043 / 47,480 (100.00%)]

Missing observations (622 / 0.18%)