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 488
Number of Observations 356,496
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 -- 2016/08/99 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 = 329,315
[329,315 (92.38% / 92.41%)] [329,315 / 356,376 (92.41%)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 12,777
[12,777 (3.58% / 3.59%)] [342,092 / 27,061 (95.99%)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 5,071
[5,071 (1.42% / 1.42%)] [347,163 / 14,284 (97.41%)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 2,778
[2,778 (0.78% / 0.78%)] [349,941 / 9,213 (98.19%)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 1,724
[1,724 (0.48% / 0.48%)] [351,665 / 6,435 (98.68%)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 1,111
[1,111 (0.31% / 0.31%)] [352,776 / 4,711 (98.99%)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 815
[815 (0.23% / 0.23%)] [353,591 / 3,600 (99.22%)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 621
[621 (0.17% / 0.17%)] [354,212 / 2,785 (99.39%)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 413
[413 (0.12% / 0.12%)] [354,625 / 2,164 (99.51%)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 335
[335 (0.09% / 0.09%)] [354,960 / 1,751 (99.60%)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 257
[257 (0.07% / 0.07%)] [355,217 / 1,416 (99.67%)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 183
[183 (0.05% / 0.05%)] [355,400 / 1,159 (99.73%)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 172
[172 (0.05% / 0.05%)] [355,572 / 976 (99.77%)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 131
[131 (0.04% / 0.04%)] [355,703 / 804 (99.81%)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 94
[94 (0.03% / 0.03%)] [355,797 / 673 (99.84%)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 76
[76 (0.02% / 0.02%)] [355,873 / 579 (99.86%)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 54
[54 (0.02% / 0.02%)] [355,927 / 503 (99.87%)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 59
[59 (0.02% / 0.02%)] [355,986 / 449 (99.89%)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 64
[64 (0.02% / 0.02%)] [356,050 / 390 (99.91%)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 44
[44 (0.01% / 0.01%)] [356,094 / 326 (99.92%)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 28
[28 (0.01% / 0.01%)] [356,122 / 282 (99.93%)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 24
[24 (0.01% / 0.01%)] [356,146 / 254 (99.94%)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 24
[24 (0.01% / 0.01%)] [356,170 / 230 (99.94%)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 20
[20 (0.01% / 0.01%)] [356,190 / 206 (99.95%)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 13
[13 (0.00% / 0.00%)] [356,203 / 186 (99.95%)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 12
[12 (0.00% / 0.00%)] [356,215 / 173 (99.95%)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 13
[13 (0.00% / 0.00%)] [356,228 / 161 (99.96%)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 20
[20 (0.01% / 0.01%)] [356,248 / 148 (99.96%)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 18
[18 (0.01% / 0.01%)] [356,266 / 128 (99.97%)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 18
[18 (0.01% / 0.01%)] [356,284 / 110 (99.97%)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 10
[10 (0.00% / 0.00%)] [356,294 / 92 (99.98%)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 7
[7 (0.00% / 0.00%)] [356,301 / 82 (99.98%)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 5
[5 (0.00% / 0.00%)] [356,306 / 75 (99.98%)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 4
[4 (0.00% / 0.00%)] [356,310 / 70 (99.98%)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 10
[10 (0.00% / 0.00%)] [356,320 / 66 (99.98%)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 3
[3 (0.00% / 0.00%)] [356,323 / 56 (99.99%)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 4
[4 (0.00% / 0.00%)] [356,327 / 53 (99.99%)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 5
[5 (0.00% / 0.00%)] [356,332 / 49 (99.99%)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 5
[5 (0.00% / 0.00%)] [356,337 / 44 (99.99%)]
38.5mm - 39.4mm 38.5mm - 39.4mm = 3
[3 (0.00% / 0.00%)] [356,340 / 39 (99.99%)]
39.5mm - 40.4mm 39.5mm - 40.4mm = 2
[2 (0.00% / 0.00%)] [356,342 / 36 (99.99%)]
40.5mm - 41.4mm 40.5mm - 41.4mm = 3
[3 (0.00% / 0.00%)] [356,345 / 34 (99.99%)]
41.5mm - 42.4mm 41.5mm - 42.4mm = 1
[1 (0.00% / 0.00%)] [356,346 / 31 (99.99%)]
42.5mm - 43.4mm 42.5mm - 43.4mm = 2
[2 (0.00% / 0.00%)] [356,348 / 30 (99.99%)]
43.5mm - 44.4mm 43.5mm - 44.4mm = 1
[1 (0.00% / 0.00%)] [356,349 / 28 (99.99%)]
44.5mm - 45.4mm 44.5mm - 45.4mm = 1
[1 (0.00% / 0.00%)] [356,350 / 27 (99.99%)]
45.5mm - 46.4mm 45.5mm - 46.4mm = 5
[5 (0.00% / 0.00%)] [356,355 / 26 (99.99%)]
46.5mm - 47.4mm 46.5mm - 47.4mm = 3
[3 (0.00% / 0.00%)] [356,358 / 21 (99.99%)]
47.5mm - 48.4mm 47.5mm - 48.4mm = 2
[2 (0.00% / 0.00%)] [356,360 / 18 (100.00%)]
48.5mm - 49.4mm 48.5mm - 49.4mm = 1
[1 (0.00% / 0.00%)] [356,361 / 16 (100.00%)]
49.5mm - 50.4mm 49.5mm - 50.4mm = 3
[3 (0.00% / 0.00%)] [356,364 / 15 (100.00%)]
50.5mm - 51.4mm 50.5mm - 51.4mm = 3
[3 (0.00% / 0.00%)] [356,367 / 12 (100.00%)]
51.5mm - 52.4mm 51.5mm - 52.4mm = 1
[1 (0.00% / 0.00%)] [356,368 / 9 (100.00%)]
53.5mm - 54.4mm 53.5mm - 54.4mm = 3
[3 (0.00% / 0.00%)] [356,371 / 8 (100.00%)]
65.5mm - 66.4mm 65.5mm - 66.4mm = 1
[1 (0.00% / 0.00%)] [356,372 / 5 (100.00%)]
67.5mm - 68.4mm 67.5mm - 68.4mm = 2
[2 (0.00% / 0.00%)] [356,374 / 4 (100.00%)]
77.5mm - 78.4mm 77.5mm - 78.4mm = 1
[1 (0.00% / 0.00%)] [356,375 / 2 (100.00%)]
90.5mm - 91.4mm 90.5mm - 91.4mm = 1
[1 (0.00% / 0.00%)] [356,376 / 1 (100.00%)]

Missing observations (120 / 0.03%)

Wind Direction

Calm Calm = 10,695
[10,695 (3.00% / 3.00%)] [0 / 0 (NA)]
NNE NNE = 62,699
[62,699 (17.59% / 17.59%)] [0 / 0 (NA)]
NE NE = 23,024
[23,024 (6.46% / 6.46%)] [0 / 0 (NA)]
ENE ENE = 14,579
[14,579 (4.09% / 4.09%)] [0 / 0 (NA)]
E E = 8,838
[8,838 (2.48% / 2.48%)] [0 / 0 (NA)]
ESE ESE = 4,432
[4,432 (1.24% / 1.24%)] [0 / 0 (NA)]
SE SE = 3,649
[3,649 (1.02% / 1.02%)] [0 / 0 (NA)]
SSE SSE = 5,106
[5,106 (1.43% / 1.43%)] [0 / 0 (NA)]
S S = 12,807
[12,807 (3.59% / 3.59%)] [0 / 0 (NA)]
SSW SSW = 42,515
[42,515 (11.93% / 11.93%)] [0 / 0 (NA)]
SW SW = 21,245
[21,245 (5.96% / 5.96%)] [0 / 0 (NA)]
WSW WSW = 11,839
[11,839 (3.32% / 3.32%)] [0 / 0 (NA)]
W W = 14,973
[14,973 (4.20% / 4.20%)] [0 / 0 (NA)]
WNW WNW = 4,150
[4,150 (1.16% / 1.16%)] [0 / 0 (NA)]
NW NW = 6,251
[6,251 (1.75% / 1.75%)] [0 / 0 (NA)]
NNW NNW = 47,761
[47,761 (13.40% / 13.40%)] [0 / 0 (NA)]
N N = 61,843
[61,843 (17.35% / 17.35%)] [0 / 0 (NA)]

Missing observations (90 / 0.03%)

Wind Speed

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 11,151
[11,151 (3.13% / 3.13%)] [11,151 / 356,407 (3.13%)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 48,400
[48,400 (13.58% / 13.58%)] [59,551 / 345,256 (16.71%)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 77,253
[77,253 (21.67% / 21.68%)] [136,804 / 296,856 (38.38%)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 78,827
[78,827 (22.11% / 22.12%)] [215,631 / 219,603 (60.50%)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 60,779
[60,779 (17.05% / 17.05%)] [276,410 / 140,776 (77.55%)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 37,270
[37,270 (10.45% / 10.46%)] [313,680 / 79,997 (88.01%)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 19,348
[19,348 (5.43% / 5.43%)] [333,028 / 42,727 (93.44%)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 10,110
[10,110 (2.84% / 2.84%)] [343,138 / 23,379 (96.28%)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 5,629
[5,629 (1.58% / 1.58%)] [348,767 / 13,269 (97.86%)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 3,209
[3,209 (0.90% / 0.90%)] [351,976 / 7,640 (98.76%)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 1,844
[1,844 (0.52% / 0.52%)] [353,820 / 4,431 (99.27%)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 1,144
[1,144 (0.32% / 0.32%)] [354,964 / 2,587 (99.60%)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 648
[648 (0.18% / 0.18%)] [355,612 / 1,443 (99.78%)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 361
[361 (0.10% / 0.10%)] [355,973 / 795 (99.88%)]
13.5m/s - 14.4m/s 13.5m/s - 14.4m/s = 181
[181 (0.05% / 0.05%)] [356,154 / 434 (99.93%)]
14.5m/s - 15.4m/s 14.5m/s - 15.4m/s = 100
[100 (0.03% / 0.03%)] [356,254 / 253 (99.96%)]
15.5m/s - 16.4m/s 15.5m/s - 16.4m/s = 75
[75 (0.02% / 0.02%)] [356,329 / 153 (99.98%)]
16.5m/s - 17.4m/s 16.5m/s - 17.4m/s = 35
[35 (0.01% / 0.01%)] [356,364 / 78 (99.99%)]
17.5m/s - 18.4m/s 17.5m/s - 18.4m/s = 16
[16 (0.00% / 0.00%)] [356,380 / 43 (99.99%)]
18.5m/s - 19.4m/s 18.5m/s - 19.4m/s = 7
[7 (0.00% / 0.00%)] [356,387 / 27 (99.99%)]
19.5m/s - 20.4m/s 19.5m/s - 20.4m/s = 8
[8 (0.00% / 0.00%)] [356,395 / 20 (100.00%)]
20.5m/s - 21.4m/s 20.5m/s - 21.4m/s = 5
[5 (0.00% / 0.00%)] [356,400 / 12 (100.00%)]
21.5m/s - 22.4m/s 21.5m/s - 22.4m/s = 2
[2 (0.00% / 0.00%)] [356,402 / 7 (100.00%)]
22.5m/s - 23.4m/s 22.5m/s - 23.4m/s = 1
[1 (0.00% / 0.00%)] [356,403 / 5 (100.00%)]
23.5m/s - 24.4m/s 23.5m/s - 24.4m/s = 1
[1 (0.00% / 0.00%)] [356,404 / 4 (100.00%)]
25.5m/s - 26.4m/s 25.5m/s - 26.4m/s = 2
[2 (0.00% / 0.00%)] [356,406 / 3 (100.00%)]
29.5m/s - 30.4m/s 29.5m/s - 30.4m/s = 1
[1 (0.00% / 0.00%)] [356,407 / 1 (100.00%)]

Missing observations (89 / 0.02%)

Temperature

-9.5C - -8.6C -9.5C - -8.6C = 3
[3 (0.00% / 0.00%)] [3 / 356,427 (0.00%)]
-8.5C - -7.6C -8.5C - -7.6C = 4
[4 (0.00% / 0.00%)] [7 / 356,424 (0.00%)]
-7.5C - -6.6C -7.5C - -6.6C = 6
[6 (0.00% / 0.00%)] [13 / 356,420 (0.00%)]
-6.5C - -5.6C -6.5C - -5.6C = 17
[17 (0.00% / 0.00%)] [30 / 356,414 (0.01%)]
-5.5C - -4.6C -5.5C - -4.6C = 3
[3 (0.00% / 0.00%)] [33 / 356,397 (0.01%)]
-4.5C - -3.6C -4.5C - -3.6C = 11
[11 (0.00% / 0.00%)] [44 / 356,394 (0.01%)]
-3.5C - -2.6C -3.5C - -2.6C = 27
[27 (0.01% / 0.01%)] [71 / 356,383 (0.02%)]
-2.5C - -1.6C -2.5C - -1.6C = 71
[71 (0.02% / 0.02%)] [142 / 356,356 (0.04%)]
-1.5C - -0.6C -1.5C - -0.6C = 207
[207 (0.06% / 0.06%)] [349 / 356,285 (0.10%)]
-0.5C - 0.4C -0.5C - 0.4C = 2,015
[2,015 (0.57% / 0.57%)] [2,364 / 356,078 (0.66%)]
0.5C - 1.4C 0.5C - 1.4C = 3,005
[3,005 (0.84% / 0.84%)] [5,369 / 354,063 (1.51%)]
1.5C - 2.4C 1.5C - 2.4C = 5,196
[5,196 (1.46% / 1.46%)] [10,565 / 351,058 (2.96%)]
2.5C - 3.4C 2.5C - 3.4C = 7,204
[7,204 (2.02% / 2.02%)] [17,769 / 345,862 (4.99%)]
3.5C - 4.4C 3.5C - 4.4C = 8,834
[8,834 (2.48% / 2.48%)] [26,603 / 338,658 (7.46%)]
4.5C - 5.4C 4.5C - 5.4C = 10,326
[10,326 (2.90% / 2.90%)] [36,929 / 329,824 (10.36%)]
5.5C - 6.4C 5.5C - 6.4C = 11,268
[11,268 (3.16% / 3.16%)] [48,197 / 319,498 (13.52%)]
6.5C - 7.4C 6.5C - 7.4C = 12,212
[12,212 (3.43% / 3.43%)] [60,409 / 308,230 (16.95%)]
7.5C - 8.4C 7.5C - 8.4C = 12,068
[12,068 (3.39% / 3.39%)] [72,477 / 296,018 (20.33%)]
8.5C - 9.4C 8.5C - 9.4C = 12,780
[12,780 (3.58% / 3.59%)] [85,257 / 283,950 (23.92%)]
9.5C - 10.4C 9.5C - 10.4C = 12,150
[12,150 (3.41% / 3.41%)] [97,407 / 271,170 (27.33%)]
10.5C - 11.4C 10.5C - 11.4C = 12,542
[12,542 (3.52% / 3.52%)] [109,949 / 259,020 (30.85%)]
11.5C - 12.4C 11.5C - 12.4C = 12,196
[12,196 (3.42% / 3.42%)] [122,145 / 246,478 (34.27%)]
12.5C - 13.4C 12.5C - 13.4C = 12,358
[12,358 (3.47% / 3.47%)] [134,503 / 234,282 (37.74%)]
13.5C - 14.4C 13.5C - 14.4C = 13,170
[13,170 (3.69% / 3.70%)] [147,673 / 221,924 (41.43%)]
14.5C - 15.4C 14.5C - 15.4C = 14,059
[14,059 (3.94% / 3.94%)] [161,732 / 208,754 (45.38%)]
15.5C - 16.4C 15.5C - 16.4C = 14,899
[14,899 (4.18% / 4.18%)] [176,631 / 194,695 (49.56%)]
16.5C - 17.4C 16.5C - 17.4C = 16,489
[16,489 (4.63% / 4.63%)] [193,120 / 179,796 (54.18%)]
17.5C - 18.4C 17.5C - 18.4C = 17,148
[17,148 (4.81% / 4.81%)] [210,268 / 163,307 (58.99%)]
18.5C - 19.4C 18.5C - 19.4C = 17,405
[17,405 (4.88% / 4.88%)] [227,673 / 146,159 (63.88%)]
19.5C - 20.4C 19.5C - 20.4C = 16,607
[16,607 (4.66% / 4.66%)] [244,280 / 128,754 (68.54%)]
20.5C - 21.4C 20.5C - 21.4C = 17,933
[17,933 (5.03% / 5.03%)] [262,213 / 112,147 (73.57%)]
21.5C - 22.4C 21.5C - 22.4C = 17,055
[17,055 (4.78% / 4.78%)] [279,268 / 94,214 (78.35%)]
22.5C - 23.4C 22.5C - 23.4C = 16,063
[16,063 (4.51% / 4.51%)] [295,331 / 77,159 (82.86%)]
23.5C - 24.4C 23.5C - 24.4C = 15,606
[15,606 (4.38% / 4.38%)] [310,937 / 61,096 (87.24%)]
24.5C - 25.4C 24.5C - 25.4C = 14,392
[14,392 (4.04% / 4.04%)] [325,329 / 45,490 (91.28%)]
25.5C - 26.4C 25.5C - 26.4C = 12,011
[12,011 (3.37% / 3.37%)] [337,340 / 31,098 (94.64%)]
26.5C - 27.4C 26.5C - 27.4C = 8,822
[8,822 (2.47% / 2.48%)] [346,162 / 19,087 (97.12%)]
27.5C - 28.4C 27.5C - 28.4C = 5,598
[5,598 (1.57% / 1.57%)] [351,760 / 10,265 (98.69%)]
28.5C - 29.4C 28.5C - 29.4C = 3,073
[3,073 (0.86% / 0.86%)] [354,833 / 4,667 (99.55%)]
29.5C - 30.4C 29.5C - 30.4C = 1,202
[1,202 (0.34% / 0.34%)] [356,035 / 1,594 (99.89%)]
30.5C - 31.4C 30.5C - 31.4C = 324
[324 (0.09% / 0.09%)] [356,359 / 392 (99.98%)]
31.5C - 32.4C 31.5C - 32.4C = 58
[58 (0.02% / 0.02%)] [356,417 / 68 (100.00%)]
32.5C - 33.4C 32.5C - 33.4C = 8
[8 (0.00% / 0.00%)] [356,425 / 10 (100.00%)]
33.5C - 34.4C 33.5C - 34.4C = 1
[1 (0.00% / 0.00%)] [356,426 / 2 (100.00%)]
34.5C - 35.4C 34.5C - 35.4C = 1
[1 (0.00% / 0.00%)] [356,427 / 1 (100.00%)]

Missing observations (69 / 0.02%)

Sunshine Duration

0.0h 0.0h = 244,579
[244,579 (68.61% / 68.96%)] [244,579 / 354,662 (68.96%)]
0.1h 0.1h = 8,600
[8,600 (2.41% / 2.42%)] [253,179 / 110,083 (71.39%)]
0.2h 0.2h = 6,512
[6,512 (1.83% / 1.84%)] [259,691 / 101,483 (73.22%)]
0.3h 0.3h = 5,679
[5,679 (1.59% / 1.60%)] [265,370 / 94,971 (74.82%)]
0.4h 0.4h = 5,340
[5,340 (1.50% / 1.51%)] [270,710 / 89,292 (76.33%)]
0.5h 0.5h = 5,160
[5,160 (1.45% / 1.45%)] [275,870 / 83,952 (77.78%)]
0.6h 0.6h = 5,096
[5,096 (1.43% / 1.44%)] [280,966 / 78,792 (79.22%)]
0.7h 0.7h = 5,367
[5,367 (1.51% / 1.51%)] [286,333 / 73,696 (80.73%)]
0.8h 0.8h = 6,243
[6,243 (1.75% / 1.76%)] [292,576 / 68,329 (82.49%)]
0.9h 0.9h = 8,437
[8,437 (2.37% / 2.38%)] [301,013 / 62,086 (84.87%)]
1.0h 1.0h = 53,649
[53,649 (15.05% / 15.13%)] [354,662 / 53,649 (100.00%)]

Missing observations (1,834 / 0.51%)