Station Number 40231
Prefecture Ibaraki [ Local Portal ]
Location 茨城県筑西市西石田 (CHIKUSEI SHI, IBARAKI KEN)
Months of Observations 165
Number of Observations 120,298
Period of Observations
Period Name Lat. Long. Height Anemometer
2001/12/10 -- 2006/12/18 SHIMODATE 36.282N 139.988E 24m 6.5m
2006/12/19 -- 2015/08/99 SHIMODATE 36.282N 139.988E 24m 6.5m
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
40181 KADOI (Ibaraki) 6.95km 35deg.
40242 TSUKUBASAN (Ibaraki) 11.74km 122deg.
40243 TSUKUBASAN (Ibaraki) 11.74km 122deg.
40281 SHIMOTSUMA (Ibaraki) 13.23km 197deg.
41376 OYAMA (Tochigi) 15.49km 293deg.
40282 JOSO (Ibaraki) 18.77km 182deg.
40241 KAKIOKA (Ibaraki) 18.78km 106deg.
41331 MOOKA (Tochigi) 21.64km 359deg.
40246 ATAGOSAN (Ibaraki) 24.00km 87deg.
40191 KASAMA (Ibaraki) 25.87km 60deg.
40221 KOGA (Ibaraki) 25.93km 250deg.
41371 TOCHIGI (Tochigi) 27.51km 291deg.
40336 TSUKUBA (Ibaraki) 27.84km 153deg.
40905 (Ibaraki) 27.84km 153deg.
40326 BANDO (Ibaraki) 28.71km 197deg.
40341 TSUCHIURA (Ibaraki) 28.81km 133deg.

Statistics for the Whole Period

Precipitation

0.0mm - 0.4mm 0.0mm - 0.4mm = 112,781
[112,781 (93.75% / 93.88%)] [112,781 / 120,132 (93.88%)]
0.5mm - 1.4mm 0.5mm - 1.4mm = 3,986
[3,986 (3.31% / 3.32%)] [116,767 / 7,351 (97.20%)]
1.5mm - 2.4mm 1.5mm - 2.4mm = 1,446
[1,446 (1.20% / 1.20%)] [118,213 / 3,365 (98.40%)]
2.5mm - 3.4mm 2.5mm - 3.4mm = 707
[707 (0.59% / 0.59%)] [118,920 / 1,919 (98.99%)]
3.5mm - 4.4mm 3.5mm - 4.4mm = 362
[362 (0.30% / 0.30%)] [119,282 / 1,212 (99.29%)]
4.5mm - 5.4mm 4.5mm - 5.4mm = 263
[263 (0.22% / 0.22%)] [119,545 / 850 (99.51%)]
5.5mm - 6.4mm 5.5mm - 6.4mm = 154
[154 (0.13% / 0.13%)] [119,699 / 587 (99.64%)]
6.5mm - 7.4mm 6.5mm - 7.4mm = 112
[112 (0.09% / 0.09%)] [119,811 / 433 (99.73%)]
7.5mm - 8.4mm 7.5mm - 8.4mm = 86
[86 (0.07% / 0.07%)] [119,897 / 321 (99.80%)]
8.5mm - 9.4mm 8.5mm - 9.4mm = 46
[46 (0.04% / 0.04%)] [119,943 / 235 (99.84%)]
9.5mm - 10.4mm 9.5mm - 10.4mm = 43
[43 (0.04% / 0.04%)] [119,986 / 189 (99.88%)]
10.5mm - 11.4mm 10.5mm - 11.4mm = 21
[21 (0.02% / 0.02%)] [120,007 / 146 (99.90%)]
11.5mm - 12.4mm 11.5mm - 12.4mm = 22
[22 (0.02% / 0.02%)] [120,029 / 125 (99.91%)]
12.5mm - 13.4mm 12.5mm - 13.4mm = 18
[18 (0.01% / 0.01%)] [120,047 / 103 (99.93%)]
13.5mm - 14.4mm 13.5mm - 14.4mm = 19
[19 (0.02% / 0.02%)] [120,066 / 85 (99.95%)]
14.5mm - 15.4mm 14.5mm - 15.4mm = 11
[11 (0.01% / 0.01%)] [120,077 / 66 (99.95%)]
15.5mm - 16.4mm 15.5mm - 16.4mm = 5
[5 (0.00% / 0.00%)] [120,082 / 55 (99.96%)]
16.5mm - 17.4mm 16.5mm - 17.4mm = 7
[7 (0.01% / 0.01%)] [120,089 / 50 (99.96%)]
17.5mm - 18.4mm 17.5mm - 18.4mm = 6
[6 (0.00% / 0.00%)] [120,095 / 43 (99.97%)]
18.5mm - 19.4mm 18.5mm - 19.4mm = 4
[4 (0.00% / 0.00%)] [120,099 / 37 (99.97%)]
19.5mm - 20.4mm 19.5mm - 20.4mm = 3
[3 (0.00% / 0.00%)] [120,102 / 33 (99.98%)]
20.5mm - 21.4mm 20.5mm - 21.4mm = 6
[6 (0.00% / 0.00%)] [120,108 / 30 (99.98%)]
22.5mm - 23.4mm 22.5mm - 23.4mm = 3
[3 (0.00% / 0.00%)] [120,111 / 24 (99.98%)]
23.5mm - 24.4mm 23.5mm - 24.4mm = 2
[2 (0.00% / 0.00%)] [120,113 / 21 (99.98%)]
25.5mm - 26.4mm 25.5mm - 26.4mm = 2
[2 (0.00% / 0.00%)] [120,115 / 19 (99.99%)]
26.5mm - 27.4mm 26.5mm - 27.4mm = 2
[2 (0.00% / 0.00%)] [120,117 / 17 (99.99%)]
27.5mm - 28.4mm 27.5mm - 28.4mm = 1
[1 (0.00% / 0.00%)] [120,118 / 15 (99.99%)]
28.5mm - 29.4mm 28.5mm - 29.4mm = 2
[2 (0.00% / 0.00%)] [120,120 / 14 (99.99%)]
30.5mm - 31.4mm 30.5mm - 31.4mm = 1
[1 (0.00% / 0.00%)] [120,121 / 12 (99.99%)]
32.5mm - 33.4mm 32.5mm - 33.4mm = 1
[1 (0.00% / 0.00%)] [120,122 / 11 (99.99%)]
33.5mm - 34.4mm 33.5mm - 34.4mm = 1
[1 (0.00% / 0.00%)] [120,123 / 10 (99.99%)]
34.5mm - 35.4mm 34.5mm - 35.4mm = 1
[1 (0.00% / 0.00%)] [120,124 / 9 (99.99%)]
36.5mm - 37.4mm 36.5mm - 37.4mm = 1
[1 (0.00% / 0.00%)] [120,125 / 8 (99.99%)]
41.5mm - 42.4mm 41.5mm - 42.4mm = 1
[1 (0.00% / 0.00%)] [120,126 / 7 (100.00%)]
43.5mm - 44.4mm 43.5mm - 44.4mm = 1
[1 (0.00% / 0.00%)] [120,127 / 6 (100.00%)]
44.5mm - 45.4mm 44.5mm - 45.4mm = 2
[2 (0.00% / 0.00%)] [120,129 / 5 (100.00%)]
47.5mm - 48.4mm 47.5mm - 48.4mm = 1
[1 (0.00% / 0.00%)] [120,130 / 3 (100.00%)]
52.5mm - 53.4mm 52.5mm - 53.4mm = 1
[1 (0.00% / 0.00%)] [120,131 / 2 (100.00%)]
62.5mm - 63.4mm 62.5mm - 63.4mm = 1
[1 (0.00% / 0.00%)] [120,132 / 1 (100.00%)]

Missing observations (166 / 0.14%)

Wind Direction

Calm Calm = 5,267
[5,267 (4.38% / 4.39%)] [0 / 0 (NA)]
NNE NNE = 14,203
[14,203 (11.81% / 11.83%)] [0 / 0 (NA)]
NE NE = 7,384
[7,384 (6.14% / 6.15%)] [0 / 0 (NA)]
ENE ENE = 5,848
[5,848 (4.86% / 4.87%)] [0 / 0 (NA)]
E E = 6,219
[6,219 (5.17% / 5.18%)] [0 / 0 (NA)]
ESE ESE = 4,196
[4,196 (3.49% / 3.49%)] [0 / 0 (NA)]
SE SE = 6,162
[6,162 (5.12% / 5.13%)] [0 / 0 (NA)]
SSE SSE = 10,824
[10,824 (9.00% / 9.01%)] [0 / 0 (NA)]
S S = 9,500
[9,500 (7.90% / 7.91%)] [0 / 0 (NA)]
SSW SSW = 3,999
[3,999 (3.32% / 3.33%)] [0 / 0 (NA)]
SW SW = 2,427
[2,427 (2.02% / 2.02%)] [0 / 0 (NA)]
WSW WSW = 2,654
[2,654 (2.21% / 2.21%)] [0 / 0 (NA)]
W W = 3,989
[3,989 (3.32% / 3.32%)] [0 / 0 (NA)]
WNW WNW = 4,429
[4,429 (3.68% / 3.69%)] [0 / 0 (NA)]
NW NW = 5,643
[5,643 (4.69% / 4.70%)] [0 / 0 (NA)]
NNW NNW = 8,370
[8,370 (6.96% / 6.97%)] [0 / 0 (NA)]
N N = 18,973
[18,973 (15.77% / 15.80%)] [0 / 0 (NA)]

Missing observations (211 / 0.18%)

Wind Speed

0.0m/s - 0.4m/s 0.0m/s - 0.4m/s = 6,131
[6,131 (5.10% / 5.11%)] [6,131 / 120,087 (5.11%)]
0.5m/s - 1.4m/s 0.5m/s - 1.4m/s = 35,500
[35,500 (29.51% / 29.56%)] [41,631 / 113,956 (34.67%)]
1.5m/s - 2.4m/s 1.5m/s - 2.4m/s = 37,122
[37,122 (30.86% / 30.91%)] [78,753 / 78,456 (65.58%)]
2.5m/s - 3.4m/s 2.5m/s - 3.4m/s = 18,706
[18,706 (15.55% / 15.58%)] [97,459 / 41,334 (81.16%)]
3.5m/s - 4.4m/s 3.5m/s - 4.4m/s = 10,158
[10,158 (8.44% / 8.46%)] [107,617 / 22,628 (89.62%)]
4.5m/s - 5.4m/s 4.5m/s - 5.4m/s = 5,223
[5,223 (4.34% / 4.35%)] [112,840 / 12,470 (93.97%)]
5.5m/s - 6.4m/s 5.5m/s - 6.4m/s = 2,800
[2,800 (2.33% / 2.33%)] [115,640 / 7,247 (96.30%)]
6.5m/s - 7.4m/s 6.5m/s - 7.4m/s = 1,599
[1,599 (1.33% / 1.33%)] [117,239 / 4,447 (97.63%)]
7.5m/s - 8.4m/s 7.5m/s - 8.4m/s = 1,001
[1,001 (0.83% / 0.83%)] [118,240 / 2,848 (98.46%)]
8.5m/s - 9.4m/s 8.5m/s - 9.4m/s = 711
[711 (0.59% / 0.59%)] [118,951 / 1,847 (99.05%)]
9.5m/s - 10.4m/s 9.5m/s - 10.4m/s = 469
[469 (0.39% / 0.39%)] [119,420 / 1,136 (99.44%)]
10.5m/s - 11.4m/s 10.5m/s - 11.4m/s = 317
[317 (0.26% / 0.26%)] [119,737 / 667 (99.71%)]
11.5m/s - 12.4m/s 11.5m/s - 12.4m/s = 191
[191 (0.16% / 0.16%)] [119,928 / 350 (99.87%)]
12.5m/s - 13.4m/s 12.5m/s - 13.4m/s = 95
[95 (0.08% / 0.08%)] [120,023 / 159 (99.95%)]
13.5m/s - 14.4m/s 13.5m/s - 14.4m/s = 45
[45 (0.04% / 0.04%)] [120,068 / 64 (99.98%)]
14.5m/s - 15.4m/s 14.5m/s - 15.4m/s = 13
[13 (0.01% / 0.01%)] [120,081 / 19 (100.00%)]
15.5m/s - 16.4m/s 15.5m/s - 16.4m/s = 4
[4 (0.00% / 0.00%)] [120,085 / 6 (100.00%)]
17.5m/s - 18.4m/s 17.5m/s - 18.4m/s = 1
[1 (0.00% / 0.00%)] [120,086 / 2 (100.00%)]
18.5m/s - 19.4m/s 18.5m/s - 19.4m/s = 1
[1 (0.00% / 0.00%)] [120,087 / 1 (100.00%)]

Missing observations (211 / 0.18%)

Temperature

-10.5C - -9.6C -10.5C - -9.6C = 1
[1 (0.00% / 0.00%)] [1 / 120,095 (0.00%)]
-9.5C - -8.6C -9.5C - -8.6C = 1
[1 (0.00% / 0.00%)] [2 / 120,094 (0.00%)]
-8.5C - -7.6C -8.5C - -7.6C = 13
[13 (0.01% / 0.01%)] [15 / 120,093 (0.01%)]
-7.5C - -6.6C -7.5C - -6.6C = 39
[39 (0.03% / 0.03%)] [54 / 120,080 (0.04%)]
-6.5C - -5.6C -6.5C - -5.6C = 102
[102 (0.08% / 0.08%)] [156 / 120,041 (0.13%)]
-5.5C - -4.6C -5.5C - -4.6C = 253
[253 (0.21% / 0.21%)] [409 / 119,939 (0.34%)]
-4.5C - -3.6C -4.5C - -3.6C = 502
[502 (0.42% / 0.42%)] [911 / 119,686 (0.76%)]
-3.5C - -2.6C -3.5C - -2.6C = 801
[801 (0.67% / 0.67%)] [1,712 / 119,184 (1.43%)]
-2.5C - -1.6C -2.5C - -1.6C = 1,126
[1,126 (0.94% / 0.94%)] [2,838 / 118,383 (2.36%)]
-1.5C - -0.6C -1.5C - -0.6C = 1,550
[1,550 (1.29% / 1.29%)] [4,388 / 117,257 (3.65%)]
-0.5C - 0.4C -0.5C - 0.4C = 4,328
[4,328 (3.60% / 3.60%)] [8,716 / 115,707 (7.26%)]
0.5C - 1.4C 0.5C - 1.4C = 3,006
[3,006 (2.50% / 2.50%)] [11,722 / 111,379 (9.76%)]
1.5C - 2.4C 1.5C - 2.4C = 3,293
[3,293 (2.74% / 2.74%)] [15,015 / 108,373 (12.50%)]
2.5C - 3.4C 2.5C - 3.4C = 3,433
[3,433 (2.85% / 2.86%)] [18,448 / 105,080 (15.36%)]
3.5C - 4.4C 3.5C - 4.4C = 3,601
[3,601 (2.99% / 3.00%)] [22,049 / 101,647 (18.36%)]
4.5C - 5.4C 4.5C - 5.4C = 3,746
[3,746 (3.11% / 3.12%)] [25,795 / 98,046 (21.48%)]
5.5C - 6.4C 5.5C - 6.4C = 3,934
[3,934 (3.27% / 3.28%)] [29,729 / 94,300 (24.75%)]
6.5C - 7.4C 6.5C - 7.4C = 3,960
[3,960 (3.29% / 3.30%)] [33,689 / 90,366 (28.05%)]
7.5C - 8.4C 7.5C - 8.4C = 3,868
[3,868 (3.22% / 3.22%)] [37,557 / 86,406 (31.27%)]
8.5C - 9.4C 8.5C - 9.4C = 3,930
[3,930 (3.27% / 3.27%)] [41,487 / 82,538 (34.55%)]
9.5C - 10.4C 9.5C - 10.4C = 3,603
[3,603 (3.00% / 3.00%)] [45,090 / 78,608 (37.55%)]
10.5C - 11.4C 10.5C - 11.4C = 3,493
[3,493 (2.90% / 2.91%)] [48,583 / 75,005 (40.45%)]
11.5C - 12.4C 11.5C - 12.4C = 3,517
[3,517 (2.92% / 2.93%)] [52,100 / 71,512 (43.38%)]
12.5C - 13.4C 12.5C - 13.4C = 3,505
[3,505 (2.91% / 2.92%)] [55,605 / 67,995 (46.30%)]
13.5C - 14.4C 13.5C - 14.4C = 3,578
[3,578 (2.97% / 2.98%)] [59,183 / 64,490 (49.28%)]
14.5C - 15.4C 14.5C - 15.4C = 3,803
[3,803 (3.16% / 3.17%)] [62,986 / 60,912 (52.45%)]
15.5C - 16.4C 15.5C - 16.4C = 3,957
[3,957 (3.29% / 3.29%)] [66,943 / 57,109 (55.74%)]
16.5C - 17.4C 16.5C - 17.4C = 4,157
[4,157 (3.46% / 3.46%)] [71,100 / 53,152 (59.20%)]
17.5C - 18.4C 17.5C - 18.4C = 4,293
[4,293 (3.57% / 3.57%)] [75,393 / 48,995 (62.78%)]
18.5C - 19.4C 18.5C - 19.4C = 4,439
[4,439 (3.69% / 3.70%)] [79,832 / 44,702 (66.47%)]
19.5C - 20.4C 19.5C - 20.4C = 4,783
[4,783 (3.98% / 3.98%)] [84,615 / 40,263 (70.46%)]
20.5C - 21.4C 20.5C - 21.4C = 4,565
[4,565 (3.79% / 3.80%)] [89,180 / 35,480 (74.26%)]
21.5C - 22.4C 21.5C - 22.4C = 4,432
[4,432 (3.68% / 3.69%)] [93,612 / 30,915 (77.95%)]
22.5C - 23.4C 22.5C - 23.4C = 4,635
[4,635 (3.85% / 3.86%)] [98,247 / 26,483 (81.81%)]
23.5C - 24.4C 23.5C - 24.4C = 4,583
[4,583 (3.81% / 3.82%)] [102,830 / 21,848 (85.62%)]
24.5C - 25.4C 24.5C - 25.4C = 4,154
[4,154 (3.45% / 3.46%)] [106,984 / 17,265 (89.08%)]
25.5C - 26.4C 25.5C - 26.4C = 3,174
[3,174 (2.64% / 2.64%)] [110,158 / 13,111 (91.73%)]
26.5C - 27.4C 26.5C - 27.4C = 2,408
[2,408 (2.00% / 2.01%)] [112,566 / 9,937 (93.73%)]
27.5C - 28.4C 27.5C - 28.4C = 1,844
[1,844 (1.53% / 1.54%)] [114,410 / 7,529 (95.27%)]
28.5C - 29.4C 28.5C - 29.4C = 1,482
[1,482 (1.23% / 1.23%)] [115,892 / 5,685 (96.50%)]
29.5C - 30.4C 29.5C - 30.4C = 1,284
[1,284 (1.07% / 1.07%)] [117,176 / 4,203 (97.57%)]
30.5C - 31.4C 30.5C - 31.4C = 979
[979 (0.81% / 0.82%)] [118,155 / 2,919 (98.38%)]
31.5C - 32.4C 31.5C - 32.4C = 800
[800 (0.67% / 0.67%)] [118,955 / 1,940 (99.05%)]
32.5C - 33.4C 32.5C - 33.4C = 603
[603 (0.50% / 0.50%)] [119,558 / 1,140 (99.55%)]
33.5C - 34.4C 33.5C - 34.4C = 325
[325 (0.27% / 0.27%)] [119,883 / 537 (99.82%)]
34.5C - 35.4C 34.5C - 35.4C = 166
[166 (0.14% / 0.14%)] [120,049 / 212 (99.96%)]
35.5C - 36.4C 35.5C - 36.4C = 44
[44 (0.04% / 0.04%)] [120,093 / 46 (100.00%)]
36.5C - 37.4C 36.5C - 37.4C = 2
[2 (0.00% / 0.00%)] [120,095 / 2 (100.00%)]

Missing observations (203 / 0.17%)

Sunshine Duration

0.0h 0.0h = 84,358
[84,358 (70.12% / 70.23%)] [84,358 / 120,110 (70.23%)]
0.1h 0.1h = 2,526
[2,526 (2.10% / 2.10%)] [86,884 / 35,752 (72.34%)]
0.2h 0.2h = 2,058
[2,058 (1.71% / 1.71%)] [88,942 / 33,226 (74.05%)]
0.3h 0.3h = 1,706
[1,706 (1.42% / 1.42%)] [90,648 / 31,168 (75.47%)]
0.4h 0.4h = 1,754
[1,754 (1.46% / 1.46%)] [92,402 / 29,462 (76.93%)]
0.5h 0.5h = 1,665
[1,665 (1.38% / 1.39%)] [94,067 / 27,708 (78.32%)]
0.6h 0.6h = 1,726
[1,726 (1.43% / 1.44%)] [95,793 / 26,043 (79.75%)]
0.7h 0.7h = 1,888
[1,888 (1.57% / 1.57%)] [97,681 / 24,317 (81.33%)]
0.8h 0.8h = 2,019
[2,019 (1.68% / 1.68%)] [99,700 / 22,429 (83.01%)]
0.9h 0.9h = 2,742
[2,742 (2.28% / 2.28%)] [102,442 / 20,410 (85.29%)]
1.0h 1.0h = 17,668
[17,668 (14.69% / 14.71%)] [120,110 / 17,668 (100.00%)]

Missing observations (188 / 0.16%)