Station Number 45212
Prefecture Chiba [ Local Portal ]
Location 千葉県千葉市中央区中央港 千葉特別地域気象観測所 (CHIBA SHI CHUO KU, CHIBA KEN)
Months of Observations 414
Number of Observations 301,752
Period of Observations
Period Name Lat. Long. Height Anemometer
1981/03/30 -- 1986/12/31 CHIBA 35.602N 140.103E 3m 47.8m
1987/01/01 -- 1998/02/11 CHIBA 35.602N 140.103E 3m 47.8m
1998/02/12 -- 1998/03/30 CHIBA 35.602N 140.103E 3m 47.9m
1998/03/31 -- 2010/09/30 CHIBA 35.602N 140.103E 3m 47.9m
2010/10/01 -- 2015/08/99 CHIBA 35.602N 140.103E 3m 47.9m
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
45905 (Chiba) 0.00km 0deg.
45211 CHIBA (Chiba) 1.49km 121deg.
45106 FUNABASHI (Chiba) 13.36km 336deg.
45116 SAKURA (Chiba) 17.11km 35deg.
45101 FUNABASHI (Chiba) 17.35km 324deg.
44136 EDOGAWA-RINKAI (Tokyo) 22.11km 280deg.
45291 USHIKU (Chiba) 23.11km 169deg.
45261 MOBARA (Chiba) 27.82km 137deg.
45061 ABIKO (Chiba) 28.97km 1deg.
44166 HANEDA (Tokyo) 29.78km 259deg.

Statistics for the Whole Period

Precipitation

0.0mm - 0.4mm 0.0mm - 0.4mm = 282,010
[282,010 (93.46% / 93.49%)] [282,010 / 301,656 (93.49%)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 10,405
[10,405 (3.45% / 3.45%)] [292,415 / 19,646 (96.94%)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 3,830
[3,830 (1.27% / 1.27%)] [296,245 / 9,241 (98.21%)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 1,884
[1,884 (0.62% / 0.62%)] [298,129 / 5,411 (98.83%)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 1,022
[1,022 (0.34% / 0.34%)] [299,151 / 3,527 (99.17%)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 684
[684 (0.23% / 0.23%)] [299,835 / 2,505 (99.40%)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 450
[450 (0.15% / 0.15%)] [300,285 / 1,821 (99.55%)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 332
[332 (0.11% / 0.11%)] [300,617 / 1,371 (99.66%)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 251
[251 (0.08% / 0.08%)] [300,868 / 1,039 (99.74%)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 155
[155 (0.05% / 0.05%)] [301,023 / 788 (99.79%)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 126
[126 (0.04% / 0.04%)] [301,149 / 633 (99.83%)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 88
[88 (0.03% / 0.03%)] [301,237 / 507 (99.86%)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 58
[58 (0.02% / 0.02%)] [301,295 / 419 (99.88%)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 69
[69 (0.02% / 0.02%)] [301,364 / 361 (99.90%)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 34
[34 (0.01% / 0.01%)] [301,398 / 292 (99.91%)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 46
[46 (0.02% / 0.02%)] [301,444 / 258 (99.93%)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 25
[25 (0.01% / 0.01%)] [301,469 / 212 (99.94%)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 21
[21 (0.01% / 0.01%)] [301,490 / 187 (99.94%)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 20
[20 (0.01% / 0.01%)] [301,510 / 166 (99.95%)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 16
[16 (0.01% / 0.01%)] [301,526 / 146 (99.96%)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 17
[17 (0.01% / 0.01%)] [301,543 / 130 (99.96%)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 13
[13 (0.00% / 0.00%)] [301,556 / 113 (99.97%)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 10
[10 (0.00% / 0.00%)] [301,566 / 100 (99.97%)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 6
[6 (0.00% / 0.00%)] [301,572 / 90 (99.97%)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 11
[11 (0.00% / 0.00%)] [301,583 / 84 (99.98%)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 9
[9 (0.00% / 0.00%)] [301,592 / 73 (99.98%)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 7
[7 (0.00% / 0.00%)] [301,599 / 64 (99.98%)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 4
[4 (0.00% / 0.00%)] [301,603 / 57 (99.98%)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 3
[3 (0.00% / 0.00%)] [301,606 / 53 (99.98%)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 7
[7 (0.00% / 0.00%)] [301,613 / 50 (99.99%)]
29.5mm - 30.4mm 29.5mm - 30.4mm = 8
[8 (0.00% / 0.00%)] [301,621 / 43 (99.99%)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 5
[5 (0.00% / 0.00%)] [301,626 / 35 (99.99%)]
31.5mm - 32.4mm 31.5mm - 32.4mm = 4
[4 (0.00% / 0.00%)] [301,630 / 30 (99.99%)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 4
[4 (0.00% / 0.00%)] [301,634 / 26 (99.99%)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 4
[4 (0.00% / 0.00%)] [301,638 / 22 (99.99%)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 2
[2 (0.00% / 0.00%)] [301,640 / 18 (99.99%)]
37.5mm - 38.4mm 37.5mm - 38.4mm = 2
[2 (0.00% / 0.00%)] [301,642 / 16 (100.00%)]
38.5mm - 39.4mm 38.5mm - 39.4mm = 3
[3 (0.00% / 0.00%)] [301,645 / 14 (100.00%)]
39.5mm - 40.4mm 39.5mm - 40.4mm = 1
[1 (0.00% / 0.00%)] [301,646 / 11 (100.00%)]
40.5mm - 41.4mm 40.5mm - 41.4mm = 1
[1 (0.00% / 0.00%)] [301,647 / 10 (100.00%)]
41.5mm - 42.4mm 41.5mm - 42.4mm = 1
[1 (0.00% / 0.00%)] [301,648 / 9 (100.00%)]
42.5mm - 43.4mm 42.5mm - 43.4mm = 1
[1 (0.00% / 0.00%)] [301,649 / 8 (100.00%)]
45.5mm - 46.4mm 45.5mm - 46.4mm = 1
[1 (0.00% / 0.00%)] [301,650 / 7 (100.00%)]
46.5mm - 47.4mm 46.5mm - 47.4mm = 1
[1 (0.00% / 0.00%)] [301,651 / 6 (100.00%)]
48.5mm - 49.4mm 48.5mm - 49.4mm = 1
[1 (0.00% / 0.00%)] [301,652 / 5 (100.00%)]
51.5mm - 52.4mm 51.5mm - 52.4mm = 1
[1 (0.00% / 0.00%)] [301,653 / 4 (100.00%)]
56.5mm - 57.4mm 56.5mm - 57.4mm = 1
[1 (0.00% / 0.00%)] [301,654 / 3 (100.00%)]
64.5mm - 65.4mm 64.5mm - 65.4mm = 1
[1 (0.00% / 0.00%)] [301,655 / 2 (100.00%)]
67.5mm - 68.4mm 67.5mm - 68.4mm = 1
[1 (0.00% / 0.00%)] [301,656 / 1 (100.00%)]

Missing observations (96 / 0.03%)

Wind Direction

Calm Calm = 3,122
[3,122 (1.03% / 1.04%)] [0 / 0 (NA)]
NNE NNE = 38,304
[38,304 (12.69% / 12.70%)] [0 / 0 (NA)]
NE NE = 28,700
[28,700 (9.51% / 9.52%)] [0 / 0 (NA)]
ENE ENE = 19,384
[19,384 (6.42% / 6.43%)] [0 / 0 (NA)]
E E = 15,483
[15,483 (5.13% / 5.13%)] [0 / 0 (NA)]
ESE ESE = 16,712
[16,712 (5.54% / 5.54%)] [0 / 0 (NA)]
SE SE = 12,180
[12,180 (4.04% / 4.04%)] [0 / 0 (NA)]
SSE SSE = 10,284
[10,284 (3.41% / 3.41%)] [0 / 0 (NA)]
S S = 12,742
[12,742 (4.22% / 4.23%)] [0 / 0 (NA)]
SSW SSW = 11,143
[11,143 (3.69% / 3.70%)] [0 / 0 (NA)]
SW SW = 23,949
[23,949 (7.94% / 7.94%)] [0 / 0 (NA)]
WSW WSW = 19,338
[19,338 (6.41% / 6.41%)] [0 / 0 (NA)]
W W = 9,935
[9,935 (3.29% / 3.29%)] [0 / 0 (NA)]
WNW WNW = 5,037
[5,037 (1.67% / 1.67%)] [0 / 0 (NA)]
NW NW = 16,301
[16,301 (5.40% / 5.41%)] [0 / 0 (NA)]
NNW NNW = 32,600
[32,600 (10.80% / 10.81%)] [0 / 0 (NA)]
N N = 26,349
[26,349 (8.73% / 8.74%)] [0 / 0 (NA)]

Missing observations (189 / 0.06%)

Wind Speed

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 3,307
[3,307 (1.10% / 1.10%)] [3,307 / 301,570 (1.10%)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 24,147
[24,147 (8.00% / 8.01%)] [27,454 / 298,263 (9.10%)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 53,180
[53,180 (17.62% / 17.63%)] [80,634 / 274,116 (26.74%)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 64,596
[64,596 (21.41% / 21.42%)] [145,230 / 220,936 (48.16%)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 54,039
[54,039 (17.91% / 17.92%)] [199,269 / 156,340 (66.08%)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 36,374
[36,374 (12.05% / 12.06%)] [235,643 / 102,301 (78.14%)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 23,339
[23,339 (7.73% / 7.74%)] [258,982 / 65,927 (85.88%)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 14,682
[14,682 (4.87% / 4.87%)] [273,664 / 42,588 (90.75%)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 9,216
[9,216 (3.05% / 3.06%)] [282,880 / 27,906 (93.80%)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 6,148
[6,148 (2.04% / 2.04%)] [289,028 / 18,690 (95.84%)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 4,247
[4,247 (1.41% / 1.41%)] [293,275 / 12,542 (97.25%)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 2,863
[2,863 (0.95% / 0.95%)] [296,138 / 8,295 (98.20%)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 2,019
[2,019 (0.67% / 0.67%)] [298,157 / 5,432 (98.87%)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 1,261
[1,261 (0.42% / 0.42%)] [299,418 / 3,413 (99.29%)]
13.5m/s - 14.4m/s 13.5m/s - 14.4m/s = 876
[876 (0.29% / 0.29%)] [300,294 / 2,152 (99.58%)]
14.5m/s - 15.4m/s 14.5m/s - 15.4m/s = 519
[519 (0.17% / 0.17%)] [300,813 / 1,276 (99.75%)]
15.5m/s - 16.4m/s 15.5m/s - 16.4m/s = 326
[326 (0.11% / 0.11%)] [301,139 / 757 (99.86%)]
16.5m/s - 17.4m/s 16.5m/s - 17.4m/s = 172
[172 (0.06% / 0.06%)] [301,311 / 431 (99.91%)]
17.5m/s - 18.4m/s 17.5m/s - 18.4m/s = 108
[108 (0.04% / 0.04%)] [301,419 / 259 (99.95%)]
18.5m/s - 19.4m/s 18.5m/s - 19.4m/s = 68
[68 (0.02% / 0.02%)] [301,487 / 151 (99.97%)]
19.5m/s - 20.4m/s 19.5m/s - 20.4m/s = 44
[44 (0.01% / 0.01%)] [301,531 / 83 (99.99%)]
20.5m/s - 21.4m/s 20.5m/s - 21.4m/s = 21
[21 (0.01% / 0.01%)] [301,552 / 39 (99.99%)]
21.5m/s - 22.4m/s 21.5m/s - 22.4m/s = 8
[8 (0.00% / 0.00%)] [301,560 / 18 (100.00%)]
22.5m/s - 23.4m/s 22.5m/s - 23.4m/s = 2
[2 (0.00% / 0.00%)] [301,562 / 10 (100.00%)]
23.5m/s - 24.4m/s 23.5m/s - 24.4m/s = 5
[5 (0.00% / 0.00%)] [301,567 / 8 (100.00%)]
24.5m/s - 25.4m/s 24.5m/s - 25.4m/s = 1
[1 (0.00% / 0.00%)] [301,568 / 3 (100.00%)]
25.5m/s - 26.4m/s 25.5m/s - 26.4m/s = 1
[1 (0.00% / 0.00%)] [301,569 / 2 (100.00%)]
28.5m/s - 29.4m/s 28.5m/s - 29.4m/s = 1
[1 (0.00% / 0.00%)] [301,570 / 1 (100.00%)]

Missing observations (182 / 0.06%)

Temperature

-3.5C - -2.6C -3.5C - -2.6C = 19
[19 (0.01% / 0.01%)] [19 / 301,704 (0.01%)]
-2.5C - -1.6C -2.5C - -1.6C = 68
[68 (0.02% / 0.02%)] [87 / 301,685 (0.03%)]
-1.5C - -0.6C -1.5C - -0.6C = 223
[223 (0.07% / 0.07%)] [310 / 301,617 (0.10%)]
-0.5C - 0.4C -0.5C - 0.4C = 1,963
[1,963 (0.65% / 0.65%)] [2,273 / 301,394 (0.75%)]
0.5C - 1.4C 0.5C - 1.4C = 3,138
[3,138 (1.04% / 1.04%)] [5,411 / 299,431 (1.79%)]
1.5C - 2.4C 1.5C - 2.4C = 5,097
[5,097 (1.69% / 1.69%)] [10,508 / 296,293 (3.48%)]
2.5C - 3.4C 2.5C - 3.4C = 6,710
[6,710 (2.22% / 2.22%)] [17,218 / 291,196 (5.71%)]
3.5C - 4.4C 3.5C - 4.4C = 8,558
[8,558 (2.84% / 2.84%)] [25,776 / 284,486 (8.54%)]
4.5C - 5.4C 4.5C - 5.4C = 9,554
[9,554 (3.17% / 3.17%)] [35,330 / 275,928 (11.71%)]
5.5C - 6.4C 5.5C - 6.4C = 10,724
[10,724 (3.55% / 3.55%)] [46,054 / 266,374 (15.26%)]
6.5C - 7.4C 6.5C - 7.4C = 11,157
[11,157 (3.70% / 3.70%)] [57,211 / 255,650 (18.96%)]
7.5C - 8.4C 7.5C - 8.4C = 11,306
[11,306 (3.75% / 3.75%)] [68,517 / 244,493 (22.71%)]
8.5C - 9.4C 8.5C - 9.4C = 11,078
[11,078 (3.67% / 3.67%)] [79,595 / 233,187 (26.38%)]
9.5C - 10.4C 9.5C - 10.4C = 10,607
[10,607 (3.52% / 3.52%)] [90,202 / 222,109 (29.90%)]
10.5C - 11.4C 10.5C - 11.4C = 10,364
[10,364 (3.43% / 3.44%)] [100,566 / 211,502 (33.33%)]
11.5C - 12.4C 11.5C - 12.4C = 10,015
[10,015 (3.32% / 3.32%)] [110,581 / 201,138 (36.65%)]
12.5C - 13.4C 12.5C - 13.4C = 9,914
[9,914 (3.29% / 3.29%)] [120,495 / 191,123 (39.94%)]
13.5C - 14.4C 13.5C - 14.4C = 10,041
[10,041 (3.33% / 3.33%)] [130,536 / 181,209 (43.27%)]
14.5C - 15.4C 14.5C - 15.4C = 10,568
[10,568 (3.50% / 3.50%)] [141,104 / 171,168 (46.77%)]
15.5C - 16.4C 15.5C - 16.4C = 11,186
[11,186 (3.71% / 3.71%)] [152,290 / 160,600 (50.48%)]
16.5C - 17.4C 16.5C - 17.4C = 11,572
[11,572 (3.83% / 3.84%)] [163,862 / 149,414 (54.31%)]
17.5C - 18.4C 17.5C - 18.4C = 12,590
[12,590 (4.17% / 4.17%)] [176,452 / 137,842 (58.49%)]
18.5C - 19.4C 18.5C - 19.4C = 12,999
[12,999 (4.31% / 4.31%)] [189,451 / 125,252 (62.79%)]
19.5C - 20.4C 19.5C - 20.4C = 12,653
[12,653 (4.19% / 4.19%)] [202,104 / 112,253 (66.99%)]
20.5C - 21.4C 20.5C - 21.4C = 12,967
[12,967 (4.30% / 4.30%)] [215,071 / 99,600 (71.29%)]
21.5C - 22.4C 21.5C - 22.4C = 12,114
[12,114 (4.01% / 4.02%)] [227,185 / 86,633 (75.30%)]
22.5C - 23.4C 22.5C - 23.4C = 11,312
[11,312 (3.75% / 3.75%)] [238,497 / 74,519 (79.05%)]
23.5C - 24.4C 23.5C - 24.4C = 10,624
[10,624 (3.52% / 3.52%)] [249,121 / 63,207 (82.57%)]
24.5C - 25.4C 24.5C - 25.4C = 10,172
[10,172 (3.37% / 3.37%)] [259,293 / 52,583 (85.94%)]
25.5C - 26.4C 25.5C - 26.4C = 10,429
[10,429 (3.46% / 3.46%)] [269,722 / 42,411 (89.40%)]
26.5C - 27.4C 26.5C - 27.4C = 9,348
[9,348 (3.10% / 3.10%)] [279,070 / 31,982 (92.50%)]
27.5C - 28.4C 27.5C - 28.4C = 7,485
[7,485 (2.48% / 2.48%)] [286,555 / 22,634 (94.98%)]
28.5C - 29.4C 28.5C - 29.4C = 5,583
[5,583 (1.85% / 1.85%)] [292,138 / 15,149 (96.83%)]
29.5C - 30.4C 29.5C - 30.4C = 4,172
[4,172 (1.38% / 1.38%)] [296,310 / 9,566 (98.21%)]
30.5C - 31.4C 30.5C - 31.4C = 2,849
[2,849 (0.94% / 0.94%)] [299,159 / 5,394 (99.16%)]
31.5C - 32.4C 31.5C - 32.4C = 1,547
[1,547 (0.51% / 0.51%)] [300,706 / 2,545 (99.67%)]
32.5C - 33.4C 32.5C - 33.4C = 650
[650 (0.22% / 0.22%)] [301,356 / 998 (99.88%)]
33.5C - 34.4C 33.5C - 34.4C = 223
[223 (0.07% / 0.07%)] [301,579 / 348 (99.96%)]
34.5C - 35.4C 34.5C - 35.4C = 82
[82 (0.03% / 0.03%)] [301,661 / 125 (99.99%)]
35.5C - 36.4C 35.5C - 36.4C = 33
[33 (0.01% / 0.01%)] [301,694 / 43 (100.00%)]
36.5C - 37.4C 36.5C - 37.4C = 9
[9 (0.00% / 0.00%)] [301,703 / 10 (100.00%)]
37.5C - 38.4C 37.5C - 38.4C = 1
[1 (0.00% / 0.00%)] [301,704 / 1 (100.00%)]

Missing observations (48 / 0.02%)

Sunshine Duration

0.0h 0.0h = 209,043
[209,043 (69.28% / 69.37%)] [209,043 / 301,345 (69.37%)]
0.1h 0.1h = 7,478
[7,478 (2.48% / 2.48%)] [216,521 / 92,302 (71.85%)]
0.2h 0.2h = 5,538
[5,538 (1.84% / 1.84%)] [222,059 / 84,824 (73.69%)]
0.3h 0.3h = 4,984
[4,984 (1.65% / 1.65%)] [227,043 / 79,286 (75.34%)]
0.4h 0.4h = 4,720
[4,720 (1.56% / 1.57%)] [231,763 / 74,302 (76.91%)]
0.5h 0.5h = 4,400
[4,400 (1.46% / 1.46%)] [236,163 / 69,582 (78.37%)]
0.6h 0.6h = 4,457
[4,457 (1.48% / 1.48%)] [240,620 / 65,182 (79.85%)]
0.7h 0.7h = 4,537
[4,537 (1.50% / 1.51%)] [245,157 / 60,725 (81.35%)]
0.8h 0.8h = 5,057
[5,057 (1.68% / 1.68%)] [250,214 / 56,188 (83.03%)]
0.9h 0.9h = 6,503
[6,503 (2.16% / 2.16%)] [256,717 / 51,131 (85.19%)]
1.0h 1.0h = 44,628
[44,628 (14.79% / 14.81%)] [301,345 / 44,628 (100.00%)]

Missing observations (407 / 0.13%)

Snow Depth

0cm 0cm = 19,184
[19,184 (6.36% / 98.48%)] [19,184 / 19,480 (98.48%)]
1cm - 5cm 1cm - 5cm = 131
[131 (0.04% / 0.67%)] [19,315 / 296 (99.15%)]
6cm - 10cm 6cm - 10cm = 65
[65 (0.02% / 0.33%)] [19,380 / 165 (99.49%)]
11cm - 15cm 11cm - 15cm = 46
[46 (0.02% / 0.24%)] [19,426 / 100 (99.72%)]
16cm - 20cm 16cm - 20cm = 31
[31 (0.01% / 0.16%)] [19,457 / 54 (99.88%)]
21cm - 25cm 21cm - 25cm = 6
[6 (0.00% / 0.03%)] [19,463 / 23 (99.91%)]
26cm - 30cm 26cm - 30cm = 6
[6 (0.00% / 0.03%)] [19,469 / 17 (99.94%)]
31cm - 35cm 31cm - 35cm = 11
[11 (0.00% / 0.06%)] [19,480 / 11 (100.00%)]

Missing observations (282,272 / 93.54%)