Station Number 81286
Prefecture Yamaguchi [ Local Portal ]
Location 山口県山口市前町 山口特別地域気象観測所 (YAMAGUCHI SHI, YAMAGUCHI KEN)
Months of Observations 528
Number of Observations 385,704
Period of Observations
Period Name Lat. Long. Height Anemometer
1974/11/01 -- 1975/12/17 YAMAGUCHI 34.160N 131.455E 17m 0.0m
1975/12/18 -- 1986/12/31 YAMAGUCHI 34.160N 131.455E 17m 15.3m
1987/01/01 -- 1999/01/27 YAMAGUCHI 34.160N 131.455E 17m 15.3m
1999/01/28 -- 2010/09/30 YAMAGUCHI 34.160N 131.455E 17m 15.4m
2010/10/01 -- 2012/10/03 YAMAGUCHI 34.160N 131.455E 17m 15.4m
2012/10/04 -- 2019/12/99 YAMAGUCHI 34.162N 131.462E 18m 15.4m
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
81900 (Yamaguchi) 0.00km 0deg.
81211 SETOBARA (Yamaguchi) 12.53km 61deg.
81371 HOFU (Yamaguchi) 15.04km 154deg.
81196 AKIYOSHIDAI (Yamaguchi) 16.42km 299deg.
81141 SHINOBU (Yamaguchi) 18.89km 34deg.
81276 SAKURAYAMA (Yamaguchi) 22.55km 266deg.
81301 WADA (Yamaguchi) 25.22km 93deg.
81271 HIGASHIATSU (Yamaguchi) 26.28km 259deg.
81071 HAGI (Yamaguchi) 28.01km 349deg.

Statistics for the Whole Period

Precipitation

0.0mm - 0.4mm 0.0mm - 0.4mm = 356,307
[356,307 (92.38% / 92.41%)] [356,307 / 385,566 (92.41)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 14,198
[14,198 (3.68% / 3.68%)] [370,505 / 29,259 (96.09)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 5,385
[5,385 (1.40% / 1.40%)] [375,890 / 15,061 (97.49)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 3,001
[3,001 (0.78% / 0.78%)] [378,891 / 9,676 (98.27)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 1,797
[1,797 (0.47% / 0.47%)] [380,688 / 6,675 (98.73)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 1,223
[1,223 (0.32% / 0.32%)] [381,911 / 4,878 (99.05)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 808
[808 (0.21% / 0.21%)] [382,719 / 3,655 (99.26)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 567
[567 (0.15% / 0.15%)] [383,286 / 2,847 (99.41)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 467
[467 (0.12% / 0.12%)] [383,753 / 2,280 (99.53)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 339
[339 (0.09% / 0.09%)] [384,092 / 1,813 (99.62)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 267
[267 (0.07% / 0.07%)] [384,359 / 1,474 (99.69)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 225
[225 (0.06% / 0.06%)] [384,584 / 1,207 (99.75)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 154
[154 (0.04% / 0.04%)] [384,738 / 982 (99.79)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 141
[141 (0.04% / 0.04%)] [384,879 / 828 (99.82)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 89
[89 (0.02% / 0.02%)] [384,968 / 687 (99.84)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 82
[82 (0.02% / 0.02%)] [385,050 / 598 (99.87)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 75
[75 (0.02% / 0.02%)] [385,125 / 516 (99.89)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 64
[64 (0.02% / 0.02%)] [385,189 / 441 (99.90)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 44
[44 (0.01% / 0.01%)] [385,233 / 377 (99.91)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 43
[43 (0.01% / 0.01%)] [385,276 / 333 (99.92)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 36
[36 (0.01% / 0.01%)] [385,312 / 290 (99.93)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 25
[25 (0.01% / 0.01%)] [385,337 / 254 (99.94)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 26
[26 (0.01% / 0.01%)] [385,363 / 229 (99.95)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 16
[16 (0.00% / 0.00%)] [385,379 / 203 (99.95)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 18
[18 (0.00% / 0.00%)] [385,397 / 187 (99.96)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 21
[21 (0.01% / 0.01%)] [385,418 / 169 (99.96)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 17
[17 (0.00% / 0.00%)] [385,435 / 148 (99.97)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 13
[13 (0.00% / 0.00%)] [385,448 / 131 (99.97)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 18
[18 (0.00% / 0.00%)] [385,466 / 118 (99.97)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 13
[13 (0.00% / 0.00%)] [385,479 / 100 (99.98)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 11
[11 (0.00% / 0.00%)] [385,490 / 87 (99.98)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 4
[4 (0.00% / 0.00%)] [385,494 / 76 (99.98)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 4
[4 (0.00% / 0.00%)] [385,498 / 72 (99.98)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 4
[4 (0.00% / 0.00%)] [385,502 / 68 (99.98)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 5
[5 (0.00% / 0.00%)] [385,507 / 64 (99.98)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 4
[4 (0.00% / 0.00%)] [385,511 / 59 (99.99)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 5
[5 (0.00% / 0.00%)] [385,516 / 55 (99.99)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 3
[3 (0.00% / 0.00%)] [385,519 / 50 (99.99)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 6
[6 (0.00% / 0.00%)] [385,525 / 47 (99.99)]
38.5mm - 39.4mm 38.5mm - 39.4mm = 4
[4 (0.00% / 0.00%)] [385,529 / 41 (99.99)]
39.5mm - 40.4mm 39.5mm - 40.4mm = 6
[6 (0.00% / 0.00%)] [385,535 / 37 (99.99)]
40.5mm - 41.4mm 40.5mm - 41.4mm = 3
[3 (0.00% / 0.00%)] [385,538 / 31 (99.99)]
41.5mm - 42.4mm 41.5mm - 42.4mm = 3
[3 (0.00% / 0.00%)] [385,541 / 28 (99.99)]
42.5mm - 43.4mm 42.5mm - 43.4mm = 2
[2 (0.00% / 0.00%)] [385,543 / 25 (99.99)]
43.5mm - 44.4mm 43.5mm - 44.4mm = 3
[3 (0.00% / 0.00%)] [385,546 / 23 (99.99)]
44.5mm - 45.4mm 44.5mm - 45.4mm = 3
[3 (0.00% / 0.00%)] [385,549 / 20 (100.00)]
45.5mm - 46.4mm 45.5mm - 46.4mm = 3
[3 (0.00% / 0.00%)] [385,552 / 17 (100.00)]
47.5mm - 48.4mm 47.5mm - 48.4mm = 3
[3 (0.00% / 0.00%)] [385,555 / 14 (100.00)]
48.5mm - 49.4mm 48.5mm - 49.4mm = 1
[1 (0.00% / 0.00%)] [385,556 / 11 (100.00)]
49.5mm - 50.4mm 49.5mm - 50.4mm = 2
[2 (0.00% / 0.00%)] [385,558 / 10 (100.00)]
52.5mm - 53.4mm 52.5mm - 53.4mm = 3
[3 (0.00% / 0.00%)] [385,561 / 8 (100.00)]
71.5mm - 72.4mm 71.5mm - 72.4mm = 1
[1 (0.00% / 0.00%)] [385,562 / 5 (100.00)]
73.5mm - 74.4mm 73.5mm - 74.4mm = 1
[1 (0.00% / 0.00%)] [385,563 / 4 (100.00)]
74.5mm - 75.4mm 74.5mm - 75.4mm = 1
[1 (0.00% / 0.00%)] [385,564 / 3 (100.00)]
78.5mm - 79.4mm 78.5mm - 79.4mm = 1
[1 (0.00% / 0.00%)] [385,565 / 2 (100.00)]
126.5mm - 127.4mm 126.5mm - 127.4mm = 1
[1 (0.00% / 0.00%)] [385,566 / 1 (100.00)]

Missing observations (138 / 0.04%)

Wind Direction

Calm Calm = 64,193
[64,193 (16.64% / 16.65%)]
NNE NNE = 15,185
[15,185 (3.94% / 3.94%)]
NE NE = 32,569
[32,569 (8.44% / 8.45%)]
ENE ENE = 37,506
[37,506 (9.72% / 9.73%)]
E E = 22,674
[22,674 (5.88% / 5.88%)]
ESE ESE = 15,080
[15,080 (3.91% / 3.91%)]
SE SE = 20,237
[20,237 (5.25% / 5.25%)]
SSE SSE = 18,079
[18,079 (4.69% / 4.69%)]
S S = 13,159
[13,159 (3.41% / 3.41%)]
SSW SSW = 17,493
[17,493 (4.54% / 4.54%)]
SW SW = 19,478
[19,478 (5.05% / 5.05%)]
WSW WSW = 17,096
[17,096 (4.43% / 4.43%)]
W W = 20,788
[20,788 (5.39% / 5.39%)]
WNW WNW = 21,974
[21,974 (5.70% / 5.70%)]
NW NW = 20,192
[20,192 (5.24% / 5.24%)]
NNW NNW = 17,295
[17,295 (4.48% / 4.49%)]
N N = 12,563
[12,563 (3.26% / 3.26%)]

Missing observations (143 / 0.04%)

Wind Speed

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 69,602
[69,602 (18.05% / 18.05%)] [69,602 / 385,551 (18.05)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 148,693
[148,693 (38.55% / 38.57%)] [218,295 / 315,949 (56.62)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 71,086
[71,086 (18.43% / 18.44%)] [289,381 / 167,256 (75.06)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 46,503
[46,503 (12.06% / 12.06%)] [335,884 / 96,170 (87.12)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 27,318
[27,318 (7.08% / 7.09%)] [363,202 / 49,667 (94.20)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 12,790
[12,790 (3.32% / 3.32%)] [375,992 / 22,349 (97.52)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 5,397
[5,397 (1.40% / 1.40%)] [381,389 / 9,559 (98.92)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 2,300
[2,300 (0.60% / 0.60%)] [383,689 / 4,162 (99.52)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 992
[992 (0.26% / 0.26%)] [384,681 / 1,862 (99.77)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 473
[473 (0.12% / 0.12%)] [385,154 / 870 (99.90)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 213
[213 (0.06% / 0.06%)] [385,367 / 397 (99.95)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 97
[97 (0.03% / 0.03%)] [385,464 / 184 (99.98)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 30
[30 (0.01% / 0.01%)] [385,494 / 87 (99.99)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 20
[20 (0.01% / 0.01%)] [385,514 / 57 (99.99)]
13.5m/s - 14.4m/s 13.5m/s - 14.4m/s = 9
[9 (0.00% / 0.00%)] [385,523 / 37 (99.99)]
14.5m/s - 15.4m/s 14.5m/s - 15.4m/s = 8
[8 (0.00% / 0.00%)] [385,531 / 28 (99.99)]
15.5m/s - 16.4m/s 15.5m/s - 16.4m/s = 5
[5 (0.00% / 0.00%)] [385,536 / 20 (100.00)]
16.5m/s - 17.4m/s 16.5m/s - 17.4m/s = 5
[5 (0.00% / 0.00%)] [385,541 / 15 (100.00)]
17.5m/s - 18.4m/s 17.5m/s - 18.4m/s = 3
[3 (0.00% / 0.00%)] [385,544 / 10 (100.00)]
18.5m/s - 19.4m/s 18.5m/s - 19.4m/s = 3
[3 (0.00% / 0.00%)] [385,547 / 7 (100.00)]
21.5m/s - 22.4m/s 21.5m/s - 22.4m/s = 2
[2 (0.00% / 0.00%)] [385,549 / 4 (100.00)]
23.5m/s - 24.4m/s 23.5m/s - 24.4m/s = 1
[1 (0.00% / 0.00%)] [385,550 / 2 (100.00)]
27.5m/s - 28.4m/s 27.5m/s - 28.4m/s = 1
[1 (0.00% / 0.00%)] [385,551 / 1 (100.00)]

Missing observations (153 / 0.04%)

Temperature

-8.5C - -7.6C -8.5C - -7.6C = 1
[1 (0.00% / 0.00%)] [1 / 385,654 (0.00)]
-7.5C - -6.6C -7.5C - -6.6C = 6
[6 (0.00% / 0.00%)] [7 / 385,653 (0.00)]
-6.5C - -5.6C -6.5C - -5.6C = 26
[26 (0.01% / 0.01%)] [33 / 385,647 (0.01)]
-5.5C - -4.6C -5.5C - -4.6C = 56
[56 (0.01% / 0.01%)] [89 / 385,621 (0.02)]
-4.5C - -3.6C -4.5C - -3.6C = 150
[150 (0.04% / 0.04%)] [239 / 385,565 (0.06)]
-3.5C - -2.6C -3.5C - -2.6C = 379
[379 (0.10% / 0.10%)] [618 / 385,415 (0.16)]
-2.5C - -1.6C -2.5C - -1.6C = 1,049
[1,049 (0.27% / 0.27%)] [1,667 / 385,036 (0.43)]
-1.5C - -0.6C -1.5C - -0.6C = 2,541
[2,541 (0.66% / 0.66%)] [4,208 / 383,987 (1.09)]
-0.5C - 0.4C -0.5C - 0.4C = 11,158
[11,158 (2.89% / 2.89%)] [15,366 / 381,446 (3.98)]
0.5C - 1.4C 0.5C - 1.4C = 8,695
[8,695 (2.25% / 2.25%)] [24,061 / 370,288 (6.24)]
1.5C - 2.4C 1.5C - 2.4C = 9,527
[9,527 (2.47% / 2.47%)] [33,588 / 361,593 (8.71)]
2.5C - 3.4C 2.5C - 3.4C = 10,106
[10,106 (2.62% / 2.62%)] [43,694 / 352,066 (11.33)]
3.5C - 4.4C 3.5C - 4.4C = 10,991
[10,991 (2.85% / 2.85%)] [54,685 / 341,960 (14.18)]
4.5C - 5.4C 4.5C - 5.4C = 11,567
[11,567 (3.00% / 3.00%)] [66,252 / 330,969 (17.18)]
5.5C - 6.4C 5.5C - 6.4C = 12,195
[12,195 (3.16% / 3.16%)] [78,447 / 319,402 (20.34)]
6.5C - 7.4C 6.5C - 7.4C = 12,527
[12,527 (3.25% / 3.25%)] [90,974 / 307,207 (23.59)]
7.5C - 8.4C 7.5C - 8.4C = 12,689
[12,689 (3.29% / 3.29%)] [103,663 / 294,680 (26.88)]
8.5C - 9.4C 8.5C - 9.4C = 12,475
[12,475 (3.23% / 3.23%)] [116,138 / 281,991 (30.11)]
9.5C - 10.4C 9.5C - 10.4C = 12,436
[12,436 (3.22% / 3.22%)] [128,574 / 269,516 (33.34)]
10.5C - 11.4C 10.5C - 11.4C = 12,465
[12,465 (3.23% / 3.23%)] [141,039 / 257,080 (36.57)]
11.5C - 12.4C 11.5C - 12.4C = 11,963
[11,963 (3.10% / 3.10%)] [153,002 / 244,615 (39.67)]
12.5C - 13.4C 12.5C - 13.4C = 12,036
[12,036 (3.12% / 3.12%)] [165,038 / 232,652 (42.79)]
13.5C - 14.4C 13.5C - 14.4C = 11,901
[11,901 (3.09% / 3.09%)] [176,939 / 220,616 (45.88)]
14.5C - 15.4C 14.5C - 15.4C = 11,538
[11,538 (2.99% / 2.99%)] [188,477 / 208,715 (48.87)]
15.5C - 16.4C 15.5C - 16.4C = 11,943
[11,943 (3.10% / 3.10%)] [200,420 / 197,177 (51.97)]
16.5C - 17.4C 16.5C - 17.4C = 11,860
[11,860 (3.07% / 3.08%)] [212,280 / 185,234 (55.04)]
17.5C - 18.4C 17.5C - 18.4C = 12,526
[12,526 (3.25% / 3.25%)] [224,806 / 173,374 (58.29)]
18.5C - 19.4C 18.5C - 19.4C = 13,134
[13,134 (3.41% / 3.41%)] [237,940 / 160,848 (61.70)]
19.5C - 20.4C 19.5C - 20.4C = 12,972
[12,972 (3.36% / 3.36%)] [250,912 / 147,714 (65.06)]
20.5C - 21.4C 20.5C - 21.4C = 13,652
[13,652 (3.54% / 3.54%)] [264,564 / 134,742 (68.60)]
21.5C - 22.4C 21.5C - 22.4C = 14,580
[14,580 (3.78% / 3.78%)] [279,144 / 121,090 (72.38)]
22.5C - 23.4C 22.5C - 23.4C = 15,266
[15,266 (3.96% / 3.96%)] [294,410 / 106,510 (76.34)]
23.5C - 24.4C 23.5C - 24.4C = 16,291
[16,291 (4.22% / 4.22%)] [310,701 / 91,244 (80.56)]
24.5C - 25.4C 24.5C - 25.4C = 15,596
[15,596 (4.04% / 4.04%)] [326,297 / 74,953 (84.61)]
25.5C - 26.4C 25.5C - 26.4C = 13,788
[13,788 (3.57% / 3.58%)] [340,085 / 59,357 (88.18)]
26.5C - 27.4C 26.5C - 27.4C = 11,787
[11,787 (3.06% / 3.06%)] [351,872 / 45,569 (91.24)]
27.5C - 28.4C 27.5C - 28.4C = 9,387
[9,387 (2.43% / 2.43%)] [361,259 / 33,782 (93.67)]
28.5C - 29.4C 28.5C - 29.4C = 7,014
[7,014 (1.82% / 1.82%)] [368,273 / 24,395 (95.49)]
29.5C - 30.4C 29.5C - 30.4C = 5,385
[5,385 (1.40% / 1.40%)] [373,658 / 17,381 (96.89)]
30.5C - 31.4C 30.5C - 31.4C = 4,384
[4,384 (1.14% / 1.14%)] [378,042 / 11,996 (98.03)]
31.5C - 32.4C 31.5C - 32.4C = 3,343
[3,343 (0.87% / 0.87%)] [381,385 / 7,612 (98.89)]
32.5C - 33.4C 32.5C - 33.4C = 2,271
[2,271 (0.59% / 0.59%)] [383,656 / 4,269 (99.48)]
33.5C - 34.4C 33.5C - 34.4C = 1,205
[1,205 (0.31% / 0.31%)] [384,861 / 1,998 (99.79)]
34.5C - 35.4C 34.5C - 35.4C = 539
[539 (0.14% / 0.14%)] [385,400 / 793 (99.93)]
35.5C - 36.4C 35.5C - 36.4C = 183
[183 (0.05% / 0.05%)] [385,583 / 254 (99.98)]
36.5C - 37.4C 36.5C - 37.4C = 62
[62 (0.02% / 0.02%)] [385,645 / 71 (100.00)]
37.5C - 38.4C 37.5C - 38.4C = 9
[9 (0.00% / 0.00%)] [385,654 / 9 (100.00)]

Missing observations (50 / 0.01%)

Sunshine Duration

0.0h 0.0h = 261,524
[261,524 (67.80% / 67.99%)] [261,524 / 384,668 (67.99)]
0.1h 0.1h = 10,223
[10,223 (2.65% / 2.66%)] [271,747 / 123,144 (70.64)]
0.2h 0.2h = 8,076
[8,076 (2.09% / 2.10%)] [279,823 / 112,921 (72.74)]
0.3h 0.3h = 7,398
[7,398 (1.92% / 1.92%)] [287,221 / 104,845 (74.67)]
0.4h 0.4h = 7,369
[7,369 (1.91% / 1.92%)] [294,590 / 97,447 (76.58)]
0.5h 0.5h = 7,250
[7,250 (1.88% / 1.88%)] [301,840 / 90,078 (78.47)]
0.6h 0.6h = 7,454
[7,454 (1.93% / 1.94%)] [309,294 / 82,828 (80.41)]
0.7h 0.7h = 7,740
[7,740 (2.01% / 2.01%)] [317,034 / 75,374 (82.42)]
0.8h 0.8h = 8,290
[8,290 (2.15% / 2.16%)] [325,324 / 67,634 (84.57)]
0.9h 0.9h = 10,439
[10,439 (2.71% / 2.71%)] [335,763 / 59,344 (87.29)]
1.0h 1.0h = 48,905
[48,905 (12.68% / 12.71%)] [384,668 / 48,905 (100.00)]

Missing observations (1,036 / 0.27%)

Snow Depth

0cm 0cm = 33,183
[33,183 (8.60% / 97.16%)] [33,183 / 34,153 (97.16)]
1cm - 5cm 1cm - 5cm = 784
[784 (0.20% / 2.30%)] [33,967 / 970 (99.46)]
6cm - 10cm 6cm - 10cm = 155
[155 (0.04% / 0.45%)] [34,122 / 186 (99.91)]
11cm - 15cm 11cm - 15cm = 29
[29 (0.01% / 0.08%)] [34,151 / 31 (99.99)]
16cm - 20cm 16cm - 20cm = 2
[2 (0.00% / 0.01%)] [34,153 / 2 (100.00)]

Missing observations (351,551 / 91.15%)