Station Number 45146
Prefecture Chiba [ Local Portal ]
Location
Months of Observations 128
Number of Observations 93,264
Period of Observations
Period Name Lat. Long. Height Anemometer
1974/11/01 -- 1975/03/09 CHOSHI 35.727N 140.838E 27m 0.0m
1975/03/10 -- 1985/12/31 CHOSHI 35.727N 140.838E 27m 12.2m
1986/01/01 -- 1986/08/21 CHOSHI 35.727N 140.838E 27m 12.2m
Past Heavy Rain Data AMeDAS heavy rain
Weather Disaster Reports
Typhoon History
Neighbor Stations
Number Name Distance Azimuth
45147 CHOSHI (Chiba) 2.11km 54deg.
45086 TONOSHO (Chiba) 17.39km 307deg.

Statistics for the Whole Period

Precipitation

0.0mm - 0.4mm 0.0mm - 0.4mm = 86,889
[86,889 (93.16% / 93.17%)] [86,889 / 93,260 (93.17%)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 3,266
[3,266 (3.50% / 3.50%)] [90,155 / 6,371 (96.67%)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 1,316
[1,316 (1.41% / 1.41%)] [91,471 / 3,105 (98.08%)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 624
[624 (0.67% / 0.67%)] [92,095 / 1,789 (98.75%)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 355
[355 (0.38% / 0.38%)] [92,450 / 1,165 (99.13%)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 241
[241 (0.26% / 0.26%)] [92,691 / 810 (99.39%)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 150
[150 (0.16% / 0.16%)] [92,841 / 569 (99.55%)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 99
[99 (0.11% / 0.11%)] [92,940 / 419 (99.66%)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 80
[80 (0.09% / 0.09%)] [93,020 / 320 (99.74%)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 45
[45 (0.05% / 0.05%)] [93,065 / 240 (99.79%)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 41
[41 (0.04% / 0.04%)] [93,106 / 195 (99.83%)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 30
[30 (0.03% / 0.03%)] [93,136 / 154 (99.87%)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 21
[21 (0.02% / 0.02%)] [93,157 / 124 (99.89%)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 20
[20 (0.02% / 0.02%)] [93,177 / 103 (99.91%)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 13
[13 (0.01% / 0.01%)] [93,190 / 83 (99.92%)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 11
[11 (0.01% / 0.01%)] [93,201 / 70 (99.94%)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 12
[12 (0.01% / 0.01%)] [93,213 / 59 (99.95%)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 5
[5 (0.01% / 0.01%)] [93,218 / 47 (99.95%)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 3
[3 (0.00% / 0.00%)] [93,221 / 42 (99.96%)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 7
[7 (0.01% / 0.01%)] [93,228 / 39 (99.97%)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 7
[7 (0.01% / 0.01%)] [93,235 / 32 (99.97%)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 3
[3 (0.00% / 0.00%)] [93,238 / 25 (99.98%)]
21.5mm - 22.4mm 21.5mm - 22.4mm = 5
[5 (0.01% / 0.01%)] [93,243 / 22 (99.98%)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 2
[2 (0.00% / 0.00%)] [93,245 / 17 (99.98%)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 3
[3 (0.00% / 0.00%)] [93,248 / 15 (99.99%)]
24.5mm - 25.4mm 24.5mm - 25.4mm = 1
[1 (0.00% / 0.00%)] [93,249 / 12 (99.99%)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 1
[1 (0.00% / 0.00%)] [93,250 / 11 (99.99%)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 3
[3 (0.00% / 0.00%)] [93,253 / 10 (99.99%)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 1
[1 (0.00% / 0.00%)] [93,254 / 7 (99.99%)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 1
[1 (0.00% / 0.00%)] [93,255 / 6 (99.99%)]
35.5mm - 36.4mm 35.5mm - 36.4mm = 1
[1 (0.00% / 0.00%)] [93,256 / 5 (100.00%)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 1
[1 (0.00% / 0.00%)] [93,257 / 4 (100.00%)]
40.5mm - 41.4mm 40.5mm - 41.4mm = 1
[1 (0.00% / 0.00%)] [93,258 / 3 (100.00%)]
41.5mm - 42.4mm 41.5mm - 42.4mm = 1
[1 (0.00% / 0.00%)] [93,259 / 2 (100.00%)]
49.5mm - 50.4mm 49.5mm - 50.4mm = 1
[1 (0.00% / 0.00%)] [93,260 / 1 (100.00%)]

Missing observations (4 / 0.00%)

Wind Direction

Calm Calm = 2,354
[2,354 (2.52% / 2.52%)] [0 / 0 (NA)]
NNE NNE = 12,459
[12,459 (13.36% / 13.36%)] [0 / 0 (NA)]
NE NE = 12,186
[12,186 (13.07% / 13.07%)] [0 / 0 (NA)]
ENE ENE = 5,087
[5,087 (5.45% / 5.45%)] [0 / 0 (NA)]
E E = 2,458
[2,458 (2.64% / 2.64%)] [0 / 0 (NA)]
ESE ESE = 2,743
[2,743 (2.94% / 2.94%)] [0 / 0 (NA)]
SE SE = 3,009
[3,009 (3.23% / 3.23%)] [0 / 0 (NA)]
SSE SSE = 2,791
[2,791 (2.99% / 2.99%)] [0 / 0 (NA)]
S S = 5,340
[5,340 (5.73% / 5.73%)] [0 / 0 (NA)]
SSW SSW = 9,964
[9,964 (10.68% / 10.68%)] [0 / 0 (NA)]
SW SW = 4,781
[4,781 (5.13% / 5.13%)] [0 / 0 (NA)]
WSW WSW = 2,243
[2,243 (2.41% / 2.41%)] [0 / 0 (NA)]
W W = 1,635
[1,635 (1.75% / 1.75%)] [0 / 0 (NA)]
WNW WNW = 5,012
[5,012 (5.37% / 5.37%)] [0 / 0 (NA)]
NW NW = 8,306
[8,306 (8.91% / 8.91%)] [0 / 0 (NA)]
NNW NNW = 4,490
[4,490 (4.81% / 4.81%)] [0 / 0 (NA)]
N N = 8,405
[8,405 (9.01% / 9.01%)] [0 / 0 (NA)]

Missing observations (1 / 0.00%)

Wind Speed

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 2,354
[2,354 (2.52% / 2.52%)] [2,354 / 93,263 (2.52%)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 7,117
[7,117 (7.63% / 7.63%)] [9,471 / 90,909 (10.16%)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 13,230
[13,230 (14.19% / 14.19%)] [22,701 / 83,792 (24.34%)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 16,933
[16,933 (18.16% / 18.16%)] [39,634 / 70,562 (42.50%)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 16,104
[16,104 (17.27% / 17.27%)] [55,738 / 53,629 (59.76%)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 12,956
[12,956 (13.89% / 13.89%)] [68,694 / 37,525 (73.66%)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 9,128
[9,128 (9.79% / 9.79%)] [77,822 / 24,569 (83.44%)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 6,211
[6,211 (6.66% / 6.66%)] [84,033 / 15,441 (90.10%)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 3,939
[3,939 (4.22% / 4.22%)] [87,972 / 9,230 (94.33%)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 2,456
[2,456 (2.63% / 2.63%)] [90,428 / 5,291 (96.96%)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 1,326
[1,326 (1.42% / 1.42%)] [91,754 / 2,835 (98.38%)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 757
[757 (0.81% / 0.81%)] [92,511 / 1,509 (99.19%)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 358
[358 (0.38% / 0.38%)] [92,869 / 752 (99.58%)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 183
[183 (0.20% / 0.20%)] [93,052 / 394 (99.77%)]
13.5m/s - 14.4m/s 13.5m/s - 14.4m/s = 98
[98 (0.11% / 0.11%)] [93,150 / 211 (99.88%)]
14.5m/s - 15.4m/s 14.5m/s - 15.4m/s = 39
[39 (0.04% / 0.04%)] [93,189 / 113 (99.92%)]
15.5m/s - 16.4m/s 15.5m/s - 16.4m/s = 35
[35 (0.04% / 0.04%)] [93,224 / 74 (99.96%)]
16.5m/s - 17.4m/s 16.5m/s - 17.4m/s = 11
[11 (0.01% / 0.01%)] [93,235 / 39 (99.97%)]
17.5m/s - 18.4m/s 17.5m/s - 18.4m/s = 12
[12 (0.01% / 0.01%)] [93,247 / 28 (99.98%)]
18.5m/s - 19.4m/s 18.5m/s - 19.4m/s = 7
[7 (0.01% / 0.01%)] [93,254 / 16 (99.99%)]
19.5m/s - 20.4m/s 19.5m/s - 20.4m/s = 3
[3 (0.00% / 0.00%)] [93,257 / 9 (99.99%)]
20.5m/s - 21.4m/s 20.5m/s - 21.4m/s = 1
[1 (0.00% / 0.00%)] [93,258 / 6 (99.99%)]
21.5m/s - 22.4m/s 21.5m/s - 22.4m/s = 2
[2 (0.00% / 0.00%)] [93,260 / 5 (100.00%)]
22.5m/s - 23.4m/s 22.5m/s - 23.4m/s = 3
[3 (0.00% / 0.00%)] [93,263 / 3 (100.00%)]

Missing observations (1 / 0.00%)

Temperature

-4.5C - -3.6C -4.5C - -3.6C = 1
[1 (0.00% / 0.00%)] [1 / 93,264 (0.00%)]
-3.5C - -2.6C -3.5C - -2.6C = 17
[17 (0.02% / 0.02%)] [18 / 93,263 (0.02%)]
-2.5C - -1.6C -2.5C - -1.6C = 68
[68 (0.07% / 0.07%)] [86 / 93,246 (0.09%)]
-1.5C - -0.6C -1.5C - -0.6C = 159
[159 (0.17% / 0.17%)] [245 / 93,178 (0.26%)]
-0.5C - 0.4C -0.5C - 0.4C = 1,092
[1,092 (1.17% / 1.17%)] [1,337 / 93,019 (1.43%)]
0.5C - 1.4C 0.5C - 1.4C = 1,171
[1,171 (1.26% / 1.26%)] [2,508 / 91,927 (2.69%)]
1.5C - 2.4C 1.5C - 2.4C = 1,433
[1,433 (1.54% / 1.54%)] [3,941 / 90,756 (4.23%)]
2.5C - 3.4C 2.5C - 3.4C = 1,914
[1,914 (2.05% / 2.05%)] [5,855 / 89,323 (6.28%)]
3.5C - 4.4C 3.5C - 4.4C = 2,372
[2,372 (2.54% / 2.54%)] [8,227 / 87,409 (8.82%)]
4.5C - 5.4C 4.5C - 5.4C = 3,006
[3,006 (3.22% / 3.22%)] [11,233 / 85,037 (12.04%)]
5.5C - 6.4C 5.5C - 6.4C = 3,328
[3,328 (3.57% / 3.57%)] [14,561 / 82,031 (15.61%)]
6.5C - 7.4C 6.5C - 7.4C = 3,552
[3,552 (3.81% / 3.81%)] [18,113 / 78,703 (19.42%)]
7.5C - 8.4C 7.5C - 8.4C = 3,787
[3,787 (4.06% / 4.06%)] [21,900 / 75,151 (23.48%)]
8.5C - 9.4C 8.5C - 9.4C = 3,823
[3,823 (4.10% / 4.10%)] [25,723 / 71,364 (27.58%)]
9.5C - 10.4C 9.5C - 10.4C = 3,107
[3,107 (3.33% / 3.33%)] [28,830 / 67,541 (30.91%)]
10.5C - 11.4C 10.5C - 11.4C = 3,308
[3,308 (3.55% / 3.55%)] [32,138 / 64,434 (34.46%)]
11.5C - 12.4C 11.5C - 12.4C = 3,072
[3,072 (3.29% / 3.29%)] [35,210 / 61,126 (37.75%)]
12.5C - 13.4C 12.5C - 13.4C = 3,464
[3,464 (3.71% / 3.71%)] [38,674 / 58,054 (41.47%)]
13.5C - 14.4C 13.5C - 14.4C = 3,661
[3,661 (3.93% / 3.93%)] [42,335 / 54,590 (45.39%)]
14.5C - 15.4C 14.5C - 15.4C = 3,983
[3,983 (4.27% / 4.27%)] [46,318 / 50,929 (49.66%)]
15.5C - 16.4C 15.5C - 16.4C = 4,177
[4,177 (4.48% / 4.48%)] [50,495 / 46,946 (54.14%)]
16.5C - 17.4C 16.5C - 17.4C = 4,248
[4,248 (4.55% / 4.55%)] [54,743 / 42,769 (58.70%)]
17.5C - 18.4C 17.5C - 18.4C = 4,337
[4,337 (4.65% / 4.65%)] [59,080 / 38,521 (63.35%)]
18.5C - 19.4C 18.5C - 19.4C = 4,655
[4,655 (4.99% / 4.99%)] [63,735 / 34,184 (68.34%)]
19.5C - 20.4C 19.5C - 20.4C = 4,265
[4,265 (4.57% / 4.57%)] [68,000 / 29,529 (72.91%)]
20.5C - 21.4C 20.5C - 21.4C = 4,595
[4,595 (4.93% / 4.93%)] [72,595 / 25,264 (77.84%)]
21.5C - 22.4C 21.5C - 22.4C = 4,414
[4,414 (4.73% / 4.73%)] [77,009 / 20,669 (82.57%)]
22.5C - 23.4C 22.5C - 23.4C = 3,866
[3,866 (4.15% / 4.15%)] [80,875 / 16,255 (86.72%)]
23.5C - 24.4C 23.5C - 24.4C = 3,567
[3,567 (3.82% / 3.82%)] [84,442 / 12,389 (90.54%)]
24.5C - 25.4C 24.5C - 25.4C = 3,184
[3,184 (3.41% / 3.41%)] [87,626 / 8,822 (93.95%)]
25.5C - 26.4C 25.5C - 26.4C = 2,292
[2,292 (2.46% / 2.46%)] [89,918 / 5,638 (96.41%)]
26.5C - 27.4C 26.5C - 27.4C = 1,627
[1,627 (1.74% / 1.74%)] [91,545 / 3,346 (98.16%)]
27.5C - 28.4C 27.5C - 28.4C = 1,086
[1,086 (1.16% / 1.16%)] [92,631 / 1,719 (99.32%)]
28.5C - 29.4C 28.5C - 29.4C = 491
[491 (0.53% / 0.53%)] [93,122 / 633 (99.85%)]
29.5C - 30.4C 29.5C - 30.4C = 117
[117 (0.13% / 0.13%)] [93,239 / 142 (99.97%)]
30.5C - 31.4C 30.5C - 31.4C = 20
[20 (0.02% / 0.02%)] [93,259 / 25 (99.99%)]
31.5C - 32.4C 31.5C - 32.4C = 2
[2 (0.00% / 0.00%)] [93,261 / 5 (100.00%)]
32.5C - 33.4C 32.5C - 33.4C = 1
[1 (0.00% / 0.00%)] [93,262 / 3 (100.00%)]
33.5C - 34.4C 33.5C - 34.4C = 2
[2 (0.00% / 0.00%)] [93,264 / 2 (100.00%)]

Sunshine Duration

0.0h 0.0h = 59,938
[59,938 (64.27% / 64.37%)] [59,938 / 93,116 (64.37%)]
0.1h 0.1h = 1,888
[1,888 (2.02% / 2.03%)] [61,826 / 33,178 (66.40%)]
0.2h 0.2h = 1,329
[1,329 (1.42% / 1.43%)] [63,155 / 31,290 (67.82%)]
0.3h 0.3h = 1,260
[1,260 (1.35% / 1.35%)] [64,415 / 29,961 (69.18%)]
0.4h 0.4h = 1,134
[1,134 (1.22% / 1.22%)] [65,549 / 28,701 (70.39%)]
0.5h 0.5h = 1,137
[1,137 (1.22% / 1.22%)] [66,686 / 27,567 (71.62%)]
0.6h 0.6h = 1,124
[1,124 (1.21% / 1.21%)] [67,810 / 26,430 (72.82%)]
0.7h 0.7h = 1,153
[1,153 (1.24% / 1.24%)] [68,963 / 25,306 (74.06%)]
0.8h 0.8h = 1,324
[1,324 (1.42% / 1.42%)] [70,287 / 24,153 (75.48%)]
0.9h 0.9h = 1,678
[1,678 (1.80% / 1.80%)] [71,965 / 22,829 (77.29%)]
1.0h 1.0h = 21,151
[21,151 (22.68% / 22.71%)] [93,116 / 21,151 (100.00%)]

Missing observations (148 / 0.16%)