Station Number 45371
Prefecture Chiba [ Local Portal ]
Location 千葉県勝浦市墨名 勝浦特別地域気象観測所 (KATSURA SHI, CHIBA KEN)
Months of Observations 513
Number of Observations 374,736
Period of Observations
Period Name Lat. Long. Height Anemometer
1974/11/01 -- 1975/12/06 KATSUURA 35.150N 140.312E 12m 0.0m
1975/12/07 -- 1988/12/31 KATSUURA 35.150N 140.312E 12m 12.3m
1989/01/01 -- 2013/12/04 KATSUURA 35.150N 140.312E 12m 12.3m
2013/12/05 -- 2018/09/99 KATSUURA 35.150N 140.312E 12m 15.2m
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
45331 OOTAKI (Chiba) 14.36km 322deg.
45361 KAMOGAWA (Chiba) 19.78km 257deg.
45326 SAKAHATA (Chiba) 21.65km 295deg.
45261 MOBARA (Chiba) 29.62km 359deg.

Statistics for the Whole Period

Precipitation

0.0mm - 0.4mm 0.0mm - 0.4mm = 345,694
[345,694 (92.25% / 92.34%)] [345,694 / 374,368 (92.34)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 13,554
[13,554 (3.62% / 3.62%)] [359,248 / 28,674 (95.96)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 5,383
[5,383 (1.44% / 1.44%)] [364,631 / 15,120 (97.40)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 2,936
[2,936 (0.78% / 0.78%)] [367,567 / 9,737 (98.18)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 1,816
[1,816 (0.48% / 0.49%)] [369,383 / 6,801 (98.67)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 1,168
[1,168 (0.31% / 0.31%)] [370,551 / 4,985 (98.98)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 863
[863 (0.23% / 0.23%)] [371,414 / 3,817 (99.21)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 664
[664 (0.18% / 0.18%)] [372,078 / 2,954 (99.39)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 438
[438 (0.12% / 0.12%)] [372,516 / 2,290 (99.51)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 356
[356 (0.10% / 0.10%)] [372,872 / 1,852 (99.60)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 269
[269 (0.07% / 0.07%)] [373,141 / 1,496 (99.67)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 193
[193 (0.05% / 0.05%)] [373,334 / 1,227 (99.72)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 183
[183 (0.05% / 0.05%)] [373,517 / 1,034 (99.77)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 141
[141 (0.04% / 0.04%)] [373,658 / 851 (99.81)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 101
[101 (0.03% / 0.03%)] [373,759 / 710 (99.84)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 81
[81 (0.02% / 0.02%)] [373,840 / 609 (99.86)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 56
[56 (0.01% / 0.01%)] [373,896 / 528 (99.87)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 60
[60 (0.02% / 0.02%)] [373,956 / 472 (99.89)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 68
[68 (0.02% / 0.02%)] [374,024 / 412 (99.91)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 45
[45 (0.01% / 0.01%)] [374,069 / 344 (99.92)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 28
[28 (0.01% / 0.01%)] [374,097 / 299 (99.93)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 26
[26 (0.01% / 0.01%)] [374,123 / 271 (99.93)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 24
[24 (0.01% / 0.01%)] [374,147 / 245 (99.94)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 24
[24 (0.01% / 0.01%)] [374,171 / 221 (99.95)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 15
[15 (0.00% / 0.00%)] [374,186 / 197 (99.95)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 12
[12 (0.00% / 0.00%)] [374,198 / 182 (99.95)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 14
[14 (0.00% / 0.00%)] [374,212 / 170 (99.96)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 20
[20 (0.01% / 0.01%)] [374,232 / 156 (99.96)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 18
[18 (0.00% / 0.00%)] [374,250 / 136 (99.97)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 20
[20 (0.01% / 0.01%)] [374,270 / 118 (99.97)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 11
[11 (0.00% / 0.00%)] [374,281 / 98 (99.98)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 7
[7 (0.00% / 0.00%)] [374,288 / 87 (99.98)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 6
[6 (0.00% / 0.00%)] [374,294 / 80 (99.98)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 4
[4 (0.00% / 0.00%)] [374,298 / 74 (99.98)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 12
[12 (0.00% / 0.00%)] [374,310 / 70 (99.98)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 3
[3 (0.00% / 0.00%)] [374,313 / 58 (99.99)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 4
[4 (0.00% / 0.00%)] [374,317 / 55 (99.99)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 5
[5 (0.00% / 0.00%)] [374,322 / 51 (99.99)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 5
[5 (0.00% / 0.00%)] [374,327 / 46 (99.99)]
38.5mm - 39.4mm 38.5mm - 39.4mm = 4
[4 (0.00% / 0.00%)] [374,331 / 41 (99.99)]
39.5mm - 40.4mm 39.5mm - 40.4mm = 2
[2 (0.00% / 0.00%)] [374,333 / 37 (99.99)]
40.5mm - 41.4mm 40.5mm - 41.4mm = 3
[3 (0.00% / 0.00%)] [374,336 / 35 (99.99)]
41.5mm - 42.4mm 41.5mm - 42.4mm = 1
[1 (0.00% / 0.00%)] [374,337 / 32 (99.99)]
42.5mm - 43.4mm 42.5mm - 43.4mm = 2
[2 (0.00% / 0.00%)] [374,339 / 31 (99.99)]
43.5mm - 44.4mm 43.5mm - 44.4mm = 1
[1 (0.00% / 0.00%)] [374,340 / 29 (99.99)]
44.5mm - 45.4mm 44.5mm - 45.4mm = 1
[1 (0.00% / 0.00%)] [374,341 / 28 (99.99)]
45.5mm - 46.4mm 45.5mm - 46.4mm = 5
[5 (0.00% / 0.00%)] [374,346 / 27 (99.99)]
46.5mm - 47.4mm 46.5mm - 47.4mm = 3
[3 (0.00% / 0.00%)] [374,349 / 22 (99.99)]
47.5mm - 48.4mm 47.5mm - 48.4mm = 2
[2 (0.00% / 0.00%)] [374,351 / 19 (100.00)]
48.5mm - 49.4mm 48.5mm - 49.4mm = 1
[1 (0.00% / 0.00%)] [374,352 / 17 (100.00)]
49.5mm - 50.4mm 49.5mm - 50.4mm = 3
[3 (0.00% / 0.00%)] [374,355 / 16 (100.00)]
50.5mm - 51.4mm 50.5mm - 51.4mm = 4
[4 (0.00% / 0.00%)] [374,359 / 13 (100.00)]
51.5mm - 52.4mm 51.5mm - 52.4mm = 1
[1 (0.00% / 0.00%)] [374,360 / 9 (100.00)]
53.5mm - 54.4mm 53.5mm - 54.4mm = 3
[3 (0.00% / 0.00%)] [374,363 / 8 (100.00)]
65.5mm - 66.4mm 65.5mm - 66.4mm = 1
[1 (0.00% / 0.00%)] [374,364 / 5 (100.00)]
67.5mm - 68.4mm 67.5mm - 68.4mm = 2
[2 (0.00% / 0.00%)] [374,366 / 4 (100.00)]
77.5mm - 78.4mm 77.5mm - 78.4mm = 1
[1 (0.00% / 0.00%)] [374,367 / 2 (100.00)]
90.5mm - 91.4mm 90.5mm - 91.4mm = 1
[1 (0.00% / 0.00%)] [374,368 / 1 (100.00)]

Missing observations (368 / 0.10%)

Wind Direction

Calm Calm = 10,724
[10,724 (2.86% / 2.86%)]
NNE NNE = 65,510
[65,510 (17.48% / 17.49%)]
NE NE = 23,991
[23,991 (6.40% / 6.40%)]
ENE ENE = 15,286
[15,286 (4.08% / 4.08%)]
E E = 9,223
[9,223 (2.46% / 2.46%)]
ESE ESE = 4,690
[4,690 (1.25% / 1.25%)]
SE SE = 3,832
[3,832 (1.02% / 1.02%)]
SSE SSE = 5,349
[5,349 (1.43% / 1.43%)]
S S = 13,607
[13,607 (3.63% / 3.63%)]
SSW SSW = 45,960
[45,960 (12.26% / 12.27%)]
SW SW = 21,583
[21,583 (5.76% / 5.76%)]
WSW WSW = 12,310
[12,310 (3.28% / 3.29%)]
W W = 16,164
[16,164 (4.31% / 4.31%)]
WNW WNW = 4,406
[4,406 (1.18% / 1.18%)]
NW NW = 6,607
[6,607 (1.76% / 1.76%)]
NNW NNW = 50,447
[50,447 (13.46% / 13.47%)]
N N = 64,956
[64,956 (17.33% / 17.34%)]

Missing observations (91 / 0.02%)

Wind Speed

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 11,306
[11,306 (3.02% / 3.02%)] [11,306 / 374,646 (3.02)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 50,587
[50,587 (13.50% / 13.50%)] [61,893 / 363,340 (16.52)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 80,691
[80,691 (21.53% / 21.54%)] [142,584 / 312,753 (38.06)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 82,451
[82,451 (22.00% / 22.01%)] [225,035 / 232,062 (60.07)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 63,904
[63,904 (17.05% / 17.06%)] [288,939 / 149,611 (77.12)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 39,611
[39,611 (10.57% / 10.57%)] [328,550 / 85,707 (87.70)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 20,851
[20,851 (5.56% / 5.57%)] [349,401 / 46,096 (93.26)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 10,928
[10,928 (2.92% / 2.92%)] [360,329 / 25,245 (96.18)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 6,041
[6,041 (1.61% / 1.61%)] [366,370 / 14,317 (97.79)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 3,442
[3,442 (0.92% / 0.92%)] [369,812 / 8,276 (98.71)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 1,981
[1,981 (0.53% / 0.53%)] [371,793 / 4,834 (99.24)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 1,236
[1,236 (0.33% / 0.33%)] [373,029 / 2,853 (99.57)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 708
[708 (0.19% / 0.19%)] [373,737 / 1,617 (99.76)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 396
[396 (0.11% / 0.11%)] [374,133 / 909 (99.86)]
13.5m/s - 14.4m/s 13.5m/s - 14.4m/s = 210
[210 (0.06% / 0.06%)] [374,343 / 513 (99.92)]
14.5m/s - 15.4m/s 14.5m/s - 15.4m/s = 116
[116 (0.03% / 0.03%)] [374,459 / 303 (99.95)]
15.5m/s - 16.4m/s 15.5m/s - 16.4m/s = 86
[86 (0.02% / 0.02%)] [374,545 / 187 (99.97)]
16.5m/s - 17.4m/s 16.5m/s - 17.4m/s = 43
[43 (0.01% / 0.01%)] [374,588 / 101 (99.98)]
17.5m/s - 18.4m/s 17.5m/s - 18.4m/s = 20
[20 (0.01% / 0.01%)] [374,608 / 58 (99.99)]
18.5m/s - 19.4m/s 18.5m/s - 19.4m/s = 11
[11 (0.00% / 0.00%)] [374,619 / 38 (99.99)]
19.5m/s - 20.4m/s 19.5m/s - 20.4m/s = 12
[12 (0.00% / 0.00%)] [374,631 / 27 (100.00)]
20.5m/s - 21.4m/s 20.5m/s - 21.4m/s = 7
[7 (0.00% / 0.00%)] [374,638 / 15 (100.00)]
21.5m/s - 22.4m/s 21.5m/s - 22.4m/s = 2
[2 (0.00% / 0.00%)] [374,640 / 8 (100.00)]
22.5m/s - 23.4m/s 22.5m/s - 23.4m/s = 1
[1 (0.00% / 0.00%)] [374,641 / 6 (100.00)]
23.5m/s - 24.4m/s 23.5m/s - 24.4m/s = 2
[2 (0.00% / 0.00%)] [374,643 / 5 (100.00)]
25.5m/s - 26.4m/s 25.5m/s - 26.4m/s = 2
[2 (0.00% / 0.00%)] [374,645 / 3 (100.00)]
29.5m/s - 30.4m/s 29.5m/s - 30.4m/s = 1
[1 (0.00% / 0.00%)] [374,646 / 1 (100.00)]

Missing observations (90 / 0.02%)

Temperature

-9.5C - -8.6C -9.5C - -8.6C = 3
[3 (0.00% / 0.00%)] [3 / 374,666 (0.00)]
-8.5C - -7.6C -8.5C - -7.6C = 4
[4 (0.00% / 0.00%)] [7 / 374,663 (0.00)]
-7.5C - -6.6C -7.5C - -6.6C = 6
[6 (0.00% / 0.00%)] [13 / 374,659 (0.00)]
-6.5C - -5.6C -6.5C - -5.6C = 17
[17 (0.00% / 0.00%)] [30 / 374,653 (0.01)]
-5.5C - -4.6C -5.5C - -4.6C = 3
[3 (0.00% / 0.00%)] [33 / 374,636 (0.01)]
-4.5C - -3.6C -4.5C - -3.6C = 11
[11 (0.00% / 0.00%)] [44 / 374,633 (0.01)]
-3.5C - -2.6C -3.5C - -2.6C = 27
[27 (0.01% / 0.01%)] [71 / 374,622 (0.02)]
-2.5C - -1.6C -2.5C - -1.6C = 71
[71 (0.02% / 0.02%)] [142 / 374,595 (0.04)]
-1.5C - -0.6C -1.5C - -0.6C = 216
[216 (0.06% / 0.06%)] [358 / 374,524 (0.10)]
-0.5C - 0.4C -0.5C - 0.4C = 2,092
[2,092 (0.56% / 0.56%)] [2,450 / 374,308 (0.65)]
0.5C - 1.4C 0.5C - 1.4C = 3,105
[3,105 (0.83% / 0.83%)] [5,555 / 372,216 (1.48)]
1.5C - 2.4C 1.5C - 2.4C = 5,354
[5,354 (1.43% / 1.43%)] [10,909 / 369,111 (2.91)]
2.5C - 3.4C 2.5C - 3.4C = 7,507
[7,507 (2.00% / 2.00%)] [18,416 / 363,757 (4.92)]
3.5C - 4.4C 3.5C - 4.4C = 9,214
[9,214 (2.46% / 2.46%)] [27,630 / 356,250 (7.37)]
4.5C - 5.4C 4.5C - 5.4C = 10,809
[10,809 (2.88% / 2.88%)] [38,439 / 347,036 (10.26)]
5.5C - 6.4C 5.5C - 6.4C = 11,869
[11,869 (3.17% / 3.17%)] [50,308 / 336,227 (13.43)]
6.5C - 7.4C 6.5C - 7.4C = 12,762
[12,762 (3.41% / 3.41%)] [63,070 / 324,358 (16.83)]
7.5C - 8.4C 7.5C - 8.4C = 12,649
[12,649 (3.38% / 3.38%)] [75,719 / 311,596 (20.21)]
8.5C - 9.4C 8.5C - 9.4C = 13,404
[13,404 (3.58% / 3.58%)] [89,123 / 298,947 (23.79)]
9.5C - 10.4C 9.5C - 10.4C = 12,704
[12,704 (3.39% / 3.39%)] [101,827 / 285,543 (27.18)]
10.5C - 11.4C 10.5C - 11.4C = 13,113
[13,113 (3.50% / 3.50%)] [114,940 / 272,839 (30.68)]
11.5C - 12.4C 11.5C - 12.4C = 12,805
[12,805 (3.42% / 3.42%)] [127,745 / 259,726 (34.10)]
12.5C - 13.4C 12.5C - 13.4C = 12,956
[12,956 (3.46% / 3.46%)] [140,701 / 246,921 (37.55)]
13.5C - 14.4C 13.5C - 14.4C = 13,825
[13,825 (3.69% / 3.69%)] [154,526 / 233,965 (41.24)]
14.5C - 15.4C 14.5C - 15.4C = 14,671
[14,671 (3.92% / 3.92%)] [169,197 / 220,140 (45.16)]
15.5C - 16.4C 15.5C - 16.4C = 15,589
[15,589 (4.16% / 4.16%)] [184,786 / 205,469 (49.32)]
16.5C - 17.4C 16.5C - 17.4C = 17,299
[17,299 (4.62% / 4.62%)] [202,085 / 189,880 (53.94)]
17.5C - 18.4C 17.5C - 18.4C = 17,900
[17,900 (4.78% / 4.78%)] [219,985 / 172,581 (58.71)]
18.5C - 19.4C 18.5C - 19.4C = 18,239
[18,239 (4.87% / 4.87%)] [238,224 / 154,681 (63.58)]
19.5C - 20.4C 19.5C - 20.4C = 17,502
[17,502 (4.67% / 4.67%)] [255,726 / 136,442 (68.25)]
20.5C - 21.4C 20.5C - 21.4C = 18,739
[18,739 (5.00% / 5.00%)] [274,465 / 118,940 (73.26)]
21.5C - 22.4C 21.5C - 22.4C = 17,841
[17,841 (4.76% / 4.76%)] [292,306 / 100,201 (78.02)]
22.5C - 23.4C 22.5C - 23.4C = 16,912
[16,912 (4.51% / 4.51%)] [309,218 / 82,360 (82.53)]
23.5C - 24.4C 23.5C - 24.4C = 16,487
[16,487 (4.40% / 4.40%)] [325,705 / 65,448 (86.93)]
24.5C - 25.4C 24.5C - 25.4C = 15,204
[15,204 (4.06% / 4.06%)] [340,909 / 48,961 (90.99)]
25.5C - 26.4C 25.5C - 26.4C = 12,951
[12,951 (3.46% / 3.46%)] [353,860 / 33,757 (94.45)]
26.5C - 27.4C 26.5C - 27.4C = 9,566
[9,566 (2.55% / 2.55%)] [363,426 / 20,806 (97.00)]
27.5C - 28.4C 27.5C - 28.4C = 6,066
[6,066 (1.62% / 1.62%)] [369,492 / 11,240 (98.62)]
28.5C - 29.4C 28.5C - 29.4C = 3,405
[3,405 (0.91% / 0.91%)] [372,897 / 5,174 (99.53)]
29.5C - 30.4C 29.5C - 30.4C = 1,340
[1,340 (0.36% / 0.36%)] [374,237 / 1,769 (99.89)]
30.5C - 31.4C 30.5C - 31.4C = 358
[358 (0.10% / 0.10%)] [374,595 / 429 (99.98)]
31.5C - 32.4C 31.5C - 32.4C = 60
[60 (0.02% / 0.02%)] [374,655 / 71 (100.00)]
32.5C - 33.4C 32.5C - 33.4C = 9
[9 (0.00% / 0.00%)] [374,664 / 11 (100.00)]
33.5C - 34.4C 33.5C - 34.4C = 1
[1 (0.00% / 0.00%)] [374,665 / 2 (100.00)]
34.5C - 35.4C 34.5C - 35.4C = 1
[1 (0.00% / 0.00%)] [374,666 / 1 (100.00)]

Missing observations (70 / 0.02%)

Sunshine Duration

0.0h 0.0h = 256,883
[256,883 (68.55% / 68.89%)] [256,883 / 372,898 (68.89)]
0.1h 0.1h = 9,096
[9,096 (2.43% / 2.44%)] [265,979 / 116,015 (71.33)]
0.2h 0.2h = 6,878
[6,878 (1.84% / 1.84%)] [272,857 / 106,919 (73.17)]
0.3h 0.3h = 5,997
[5,997 (1.60% / 1.61%)] [278,854 / 100,041 (74.78)]
0.4h 0.4h = 5,628
[5,628 (1.50% / 1.51%)] [284,482 / 94,044 (76.29)]
0.5h 0.5h = 5,460
[5,460 (1.46% / 1.46%)] [289,942 / 88,416 (77.75)]
0.6h 0.6h = 5,394
[5,394 (1.44% / 1.45%)] [295,336 / 82,956 (79.20)]
0.7h 0.7h = 5,678
[5,678 (1.52% / 1.52%)] [301,014 / 77,562 (80.72)]
0.8h 0.8h = 6,614
[6,614 (1.76% / 1.77%)] [307,628 / 71,884 (82.50)]
0.9h 0.9h = 8,932
[8,932 (2.38% / 2.40%)] [316,560 / 65,270 (84.89)]
1.0h 1.0h = 56,338
[56,338 (15.03% / 15.11%)] [372,898 / 56,338 (100.00)]

Missing observations (1,838 / 0.49%)