Measurement results by the hour (Chofu) 22 Sep., 2014 - 28 Sep., 2014

Shown in µGy/h (microgray per hour)

Gray indicates an amount of energy (absorbed dose) when radiation hits a material object, and 1 gray (Gy) of radiation doses in the air can be converted to 1 sievert (Sv).

Measurement time Dose rate
μGy/h (microgray per hour)
Maximum value Minimum value Average value
23:01-24:00, Sun., 28 Sep. 0.0343 0.0308 0.0324
22:01-23:00, Sun., 28 Sep. 0.0338 0.0295 0.0316
21:01-22:00, Sun., 28 Sep. 0.0340 0.0301 0.0320
20:01-21:00, Sun., 28 Sep. 0.0336 0.0298 0.0316
19:01-20:00, Sun., 28 Sep. 0.0344 0.0297 0.0314
18:01-19:00, Sun., 28 Sep. 0.0334 0.0294 0.0315
17:01-18:00, Sun., 28 Sep. 0.0338 0.0295 0.0314
16:01-17:00, Sun., 28 Sep. 0.0337 0.0294 0.0316
15:01-16:00, Sun., 28 Sep. 0.0337 0.0296 0.0316
14:01-15:00, Sun., 28 Sep. 0.0338 0.0297 0.0316
13:01-14:00, Sun., 28 Sep. 0.0335 0.0298 0.0317
12:01-13:00, Sun., 28 Sep. 0.0333 0.0297 0.0316
11:01-12:00, Sun., 28 Sep. 0.0334 0.0291 0.0315
10:01-11:00, Sun., 28 Sep. 0.0339 0.0294 0.0317
09:01-10:00, Sun., 28 Sep. 0.0335 0.0299 0.0318
08:01-09:00, Sun., 28 Sep. 0.0358 0.0303 0.0323
07:01-08:00, Sun., 28 Sep. 0.0346 0.0297 0.0325
06:01-07:00, Sun., 28 Sep. 0.0351 0.0304 0.0329
05:01-06:00, Sun., 28 Sep. 0.0343 0.0305 0.0325
04:01-05:00, Sun., 28 Sep. 0.0342 0.0301 0.0325
03:01-04:00, Sun., 28 Sep. 0.0353 0.0304 0.0323
02:01-03:00, Sun., 28 Sep. 0.0343 0.0302 0.0320
01:01-02:00, Sun., 28 Sep. 0.0336 0.0297 0.0319
00:01-01:00, Sun., 28 Sep. 0.0332 0.0294 0.0315
23:01-24:00, Sat., 27 Sep. 0.0339 0.0296 0.0315
22:01-23:00, Sat., 27 Sep. 0.0331 0.0298 0.0316
21:01-22:00, Sat., 27 Sep. 0.0339 0.0296 0.0314
20:01-21:00, Sat., 27 Sep. 0.0335 0.0292 0.0314
19:01-20:00, Sat., 27 Sep. 0.0334 0.0296 0.0311
18:01-19:00, Sat., 27 Sep. 0.0333 0.0291 0.0313
17:01-18:00, Sat., 27 Sep. 0.0328 0.0281 0.0308
16:01-17:00, Sat., 27 Sep. 0.0333 0.0288 0.0309
15:01-16:00, Sat., 27 Sep. 0.0333 0.0295 0.0309
14:01-15:00, Sat., 27 Sep. 0.0332 0.0292 0.0309
13:01-14:00, Sat., 27 Sep. 0.0331 0.0295 0.0312
12:01-13:00, Sat., 27 Sep. 0.0336 0.0294 0.0312
11:01-12:00, Sat., 27 Sep. 0.0342 0.0294 0.0314
10:01-11:00, Sat., 27 Sep. 0.0332 0.0285 0.0311
09:01-10:00, Sat., 27 Sep. 0.0338 0.0300 0.0316
08:01-09:00, Sat., 27 Sep. 0.0333 0.0296 0.0317
07:01-08:00, Sat., 27 Sep. 0.0330 0.0291 0.0317
06:01-07:00, Sat., 27 Sep. 0.0341 0.0299 0.0315
05:01-06:00, Sat., 27 Sep. 0.0332 0.0303 0.0316
04:01-05:00, Sat., 27 Sep. 0.0331 0.0296 0.0315
03:01-04:00, Sat., 27 Sep. 0.0349 0.0293 0.0315
02:01-03:00, Sat., 27 Sep. 0.0332 0.0295 0.0314
01:01-02:00, Sat., 27 Sep. 0.0345 0.0293 0.0313
00:01-01:00, Sat., 27 Sep. 0.0349 0.0296 0.0315
23:01-24:00, Fri., 26 Sep. 0.0330 0.0292 0.0313
22:01-23:00, Fri., 26 Sep. 0.0341 0.0294 0.0315
21:01-22:00, Fri., 26 Sep. 0.0345 0.0289 0.0318
20:01-21:00, Fri., 26 Sep. 0.0339 0.0296 0.0315
19:01-20:00, Fri., 26 Sep. 0.0339 0.0292 0.0313
18:01-19:00, Fri., 26 Sep. 0.0344 0.0299 0.0314
17:01-18:00, Fri., 26 Sep. 0.0332 0.0297 0.0314
16:01-17:00, Fri., 26 Sep. 0.0336 0.0297 0.0317
15:01-16:00, Fri., 26 Sep. 0.0339 0.0287 0.0313
14:01-15:00, Fri., 26 Sep. 0.0334 0.0292 0.0314
13:01-14:00, Fri., 26 Sep. 0.0334 0.0292 0.0315
12:01-13:00, Fri., 26 Sep. 0.0333 0.0296 0.0313
11:01-12:00, Fri., 26 Sep. 0.0329 0.0296 0.0314
10:01-11:00, Fri., 26 Sep. 0.0329 0.0287 0.0311
09:01-10:00, Fri., 26 Sep. 0.0330 0.0291 0.0313
08:01-09:00, Fri., 26 Sep. 0.0329 0.0294 0.0314
07:01-08:00, Fri., 26 Sep. 0.0336 0.0298 0.0315
06:01-07:00, Fri., 26 Sep. 0.0334 0.0298 0.0313
05:01-06:00, Fri., 26 Sep. 0.0332 0.0292 0.0312
04:01-05:00, Fri., 26 Sep. 0.0330 0.0291 0.0314
03:01-04:00, Fri., 26 Sep. 0.0336 0.0299 0.0319
02:01-03:00, Fri., 26 Sep. 0.0352 0.0308 0.0326
01:01-02:00, Fri., 26 Sep. 0.0373 0.0303 0.0330
00:01-01:00, Fri., 26 Sep. 0.0344 0.0302 0.0324
23:01-24:00, Thu., 25 Sep. 0.0359 0.0301 0.0334
22:01-23:00, Thu., 25 Sep. 0.0348 0.0295 0.0315
21:01-22:00, Thu., 25 Sep. 0.0338 0.0301 0.0319
20:01-21:00, Thu., 25 Sep. 0.0337 0.0294 0.0315
19:01-20:00, Thu., 25 Sep. 0.0352 0.0304 0.0324
18:01-19:00, Thu., 25 Sep. 0.0393 0.0317 0.0349
17:01-18:00, Thu., 25 Sep. 0.0411 0.0298 0.0351
16:01-17:00, Thu., 25 Sep. 0.0334 0.0296 0.0313
15:01-16:00, Thu., 25 Sep. 0.0334 0.0288 0.0313
14:01-15:00, Thu., 25 Sep. 0.0330 0.0297 0.0313
13:01-14:00, Thu., 25 Sep. 0.0336 0.0288 0.0309
12:01-13:00, Thu., 25 Sep. 0.0331 0.0281 0.0310
11:01-12:00, Thu., 25 Sep. 0.0337 0.0295 0.0317
10:01-11:00, Thu., 25 Sep. 0.0348 0.0292 0.0323
09:01-10:00, Thu., 25 Sep. 0.0344 0.0302 0.0324
08:01-09:00, Thu., 25 Sep. 0.0339 0.0301 0.0323
07:01-08:00, Thu., 25 Sep. 0.0359 0.0309 0.0331
06:01-07:00, Thu., 25 Sep. 0.0370 0.0330 0.0354
05:01-06:00, Thu., 25 Sep. 0.0418 0.0347 0.0372
04:01-05:00, Thu., 25 Sep. 0.0435 0.0368 0.0407
03:01-04:00, Thu., 25 Sep. 0.0435 0.0343 0.0378
02:01-03:00, Thu., 25 Sep. 0.0390 0.0330 0.0354
01:01-02:00, Thu., 25 Sep. 0.0403 0.0324 0.0356
00:01-01:00, Thu., 25 Sep. 0.0413 0.0355 0.0378
23:01-24:00, Wed., 24 Sep. 0.0373 0.0313 0.0339
22:01-23:00, Wed., 24 Sep. 0.0357 0.0301 0.0328
21:01-22:00, Wed., 24 Sep. 0.0337 0.0297 0.0321
20:01-21:00, Wed., 24 Sep. 0.0353 0.0301 0.0329
19:01-20:00, Wed., 24 Sep. 0.0355 0.0304 0.0327
18:01-19:00, Wed., 24 Sep. 0.0343 0.0305 0.0321
17:01-18:00, Wed., 24 Sep. 0.0341 0.0302 0.0322
16:01-17:00, Wed., 24 Sep. 0.0337 0.0301 0.0321
15:01-16:00, Wed., 24 Sep. 0.0339 0.0294 0.0320
14:01-15:00, Wed., 24 Sep. 0.0345 0.0302 0.0320
13:01-14:00, Wed., 24 Sep. 0.0345 0.0304 0.0322
12:01-13:00, Wed., 24 Sep. 0.0338 0.0302 0.0320
11:01-12:00, Wed., 24 Sep. 0.0338 0.0297 0.0320
10:01-11:00, Wed., 24 Sep. 0.0339 0.0305 0.0322
09:01-10:00, Wed., 24 Sep. 0.0343 0.0304 0.0326
08:01-09:00, Wed., 24 Sep. 0.0347 0.0305 0.0329
07:01-08:00, Wed., 24 Sep. 0.0350 0.0305 0.0329
06:01-07:00, Wed., 24 Sep. 0.0353 0.0314 0.0331
05:01-06:00, Wed., 24 Sep. 0.0351 0.0305 0.0331
04:01-05:00, Wed., 24 Sep. 0.0350 0.0313 0.0331
03:01-04:00, Wed., 24 Sep. 0.0350 0.0318 0.0334
02:01-03:00, Wed., 24 Sep. 0.0360 0.0316 0.0335
01:01-02:00, Wed., 24 Sep. 0.0341 0.0296 0.0324
00:01-01:00, Wed., 24 Sep. 0.0343 0.0304 0.0322
23:01-24:00, Tue., 23 Sep. 0.0337 0.0299 0.0320
22:01-23:00, Tue., 23 Sep. 0.0341 0.0299 0.0319
21:01-22:00, Tue., 23 Sep. 0.0338 0.0300 0.0318
20:01-21:00, Tue., 23 Sep. 0.0336 0.0290 0.0315
19:01-20:00, Tue., 23 Sep. 0.0336 0.0298 0.0317
18:01-19:00, Tue., 23 Sep. 0.0334 0.0296 0.0319
17:01-18:00, Tue., 23 Sep. 0.0343 0.0306 0.0319
16:01-17:00, Tue., 23 Sep. 0.0341 0.0296 0.0320
15:01-16:00, Tue., 23 Sep. 0.0336 0.0303 0.0320
14:01-15:00, Tue., 23 Sep. 0.0352 0.0298 0.0321
13:01-14:00, Tue., 23 Sep. 0.0339 0.0297 0.0320
12:01-13:00, Tue., 23 Sep. 0.0344 0.0304 0.0322
11:01-12:00, Tue., 23 Sep. 0.0340 0.0304 0.0321
10:01-11:00, Tue., 23 Sep. 0.0338 0.0302 0.0321
09:01-10:00, Tue., 23 Sep. 0.0348 0.0303 0.0327
08:01-09:00, Tue., 23 Sep. 0.0349 0.0307 0.0328
07:01-08:00, Tue., 23 Sep. 0.0348 0.0306 0.0327
06:01-07:00, Tue., 23 Sep. 0.0360 0.0303 0.0330
05:01-06:00, Tue., 23 Sep. 0.0357 0.0314 0.0332
04:01-05:00, Tue., 23 Sep. 0.0353 0.0310 0.0329
03:01-04:00, Tue., 23 Sep. 0.0342 0.0305 0.0327
02:01-03:00, Tue., 23 Sep. 0.0355 0.0303 0.0324
01:01-02:00, Tue., 23 Sep. 0.0345 0.0307 0.0322
00:01-01:00, Tue., 23 Sep. 0.0344 0.0304 0.0323
23:01-24:00, Mon., 22 Sep. 0.0347 0.0307 0.0324
22:01-23:00, Mon., 22 Sep. 0.0350 0.0308 0.0330
21:01-22:00, Mon., 22 Sep. 0.0352 0.0304 0.0328
20:01-21:00, Mon., 22 Sep. 0.0342 0.0304 0.0322
19:01-20:00, Mon., 22 Sep. 0.0347 0.0303 0.0323
18:01-19:00, Mon., 22 Sep. 0.0339 0.0300 0.0317
17:01-18:00, Mon., 22 Sep. 0.0337 0.0302 0.0320
16:01-17:00, Mon., 22 Sep. 0.0344 0.0307 0.0322
15:01-16:00, Mon., 22 Sep. 0.0342 0.0304 0.0323
14:01-15:00, Mon., 22 Sep. 0.0342 0.0299 0.0324
13:01-14:00, Mon., 22 Sep. 0.0341 0.0301 0.0323
12:01-13:00, Mon., 22 Sep. 0.0338 0.0305 0.0322
11:01-12:00, Mon., 22 Sep. 0.0350 0.0299 0.0319
10:01-11:00, Mon., 22 Sep. 0.0337 0.0307 0.0322
09:01-10:00, Mon., 22 Sep. 0.0353 0.0304 0.0325
08:01-09:00, Mon., 22 Sep. 0.0349 0.0307 0.0329
07:01-08:00, Mon., 22 Sep. 0.0354 0.0310 0.0329
06:01-07:00, Mon., 22 Sep. 0.0347 0.0304 0.0330
05:01-06:00, Mon., 22 Sep. 0.0355 0.0305 0.0330
04:01-05:00, Mon., 22 Sep. 0.0349 0.0314 0.0331
03:01-04:00, Mon., 22 Sep. 0.0356 0.0311 0.0336
02:01-03:00, Mon., 22 Sep. 0.0356 0.0315 0.0336
01:01-02:00, Mon., 22 Sep. 0.0344 0.0299 0.0323
00:01-01:00, Mon., 22 Sep. 0.0348 0.0298 0.0322