Measurement results by the hour (Chofu) 28 Jul., 2014 - 3 Aug., 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., 03 Aug. 0.0346 0.0306 0.0323
22:01-23:00, Sun., 03 Aug. 0.0346 0.0310 0.0326
21:01-22:00, Sun., 03 Aug. 0.0343 0.0301 0.0324
20:01-21:00, Sun., 03 Aug. 0.0339 0.0300 0.0321
19:01-20:00, Sun., 03 Aug. 0.0343 0.0310 0.0325
18:01-19:00, Sun., 03 Aug. 0.0345 0.0303 0.0325
17:01-18:00, Sun., 03 Aug. 0.0342 0.0299 0.0323
16:01-17:00, Sun., 03 Aug. 0.0349 0.0302 0.0325
15:01-16:00, Sun., 03 Aug. 0.0349 0.0303 0.0325
14:01-15:00, Sun., 03 Aug. 0.0349 0.0299 0.0323
13:01-14:00, Sun., 03 Aug. 0.0341 0.0303 0.0325
12:01-13:00, Sun., 03 Aug. 0.0349 0.0306 0.0324
11:01-12:00, Sun., 03 Aug. 0.0351 0.0313 0.0333
10:01-11:00, Sun., 03 Aug. 0.0346 0.0305 0.0322
09:01-10:00, Sun., 03 Aug. 0.0345 0.0304 0.0326
08:01-09:00, Sun., 03 Aug. 0.0348 0.0296 0.0326
07:01-08:00, Sun., 03 Aug. 0.0350 0.0310 0.0329
06:01-07:00, Sun., 03 Aug. 0.0355 0.0316 0.0333
05:01-06:00, Sun., 03 Aug. 0.0348 0.0312 0.0333
04:01-05:00, Sun., 03 Aug. 0.0375 0.0329 0.0349
03:01-04:00, Sun., 03 Aug. 0.0385 0.0336 0.0354
02:01-03:00, Sun., 03 Aug. 0.0377 0.0328 0.0358
01:01-02:00, Sun., 03 Aug. 0.0393 0.0330 0.0356
00:01-01:00, Sun., 03 Aug. 0.0372 0.0326 0.0349
23:01-24:00, Sat., 02 Aug. 0.0366 0.0327 0.0347
22:01-23:00, Sat., 02 Aug. 0.0344 0.0307 0.0329
21:01-22:00, Sat., 02 Aug. 0.0338 0.0299 0.0325
20:01-21:00, Sat., 02 Aug. 0.0346 0.0303 0.0324
19:01-20:00, Sat., 02 Aug. 0.0341 0.0310 0.0326
18:01-19:00, Sat., 02 Aug. 0.0341 0.0302 0.0325
17:01-18:00, Sat., 02 Aug. 0.0347 0.0306 0.0326
16:01-17:00, Sat., 02 Aug. 0.0341 0.0306 0.0322
15:01-16:00, Sat., 02 Aug. 0.0341 0.0304 0.0323
14:01-15:00, Sat., 02 Aug. 0.0351 0.0302 0.0327
13:01-14:00, Sat., 02 Aug. 0.0348 0.0304 0.0328
12:01-13:00, Sat., 02 Aug. 0.0353 0.0309 0.0328
11:01-12:00, Sat., 02 Aug. 0.0351 0.0306 0.0327
10:01-11:00, Sat., 02 Aug. 0.0351 0.0303 0.0328
09:01-10:00, Sat., 02 Aug. 0.0357 0.0308 0.0328
08:01-09:00, Sat., 02 Aug. 0.0356 0.0310 0.0328
07:01-08:00, Sat., 02 Aug. 0.0352 0.0311 0.0330
06:01-07:00, Sat., 02 Aug. 0.0356 0.0312 0.0335
05:01-06:00, Sat., 02 Aug. 0.0365 0.0318 0.0333
04:01-05:00, Sat., 02 Aug. 0.0355 0.0310 0.0331
03:01-04:00, Sat., 02 Aug. 0.0354 0.0311 0.0328
02:01-03:00, Sat., 02 Aug. 0.0355 0.0305 0.0326
01:01-02:00, Sat., 02 Aug. 0.0347 0.0305 0.0325
00:01-01:00, Sat., 02 Aug. 0.0354 0.0305 0.0332
23:01-24:00, Fri., 01 Aug. 0.0378 0.0328 0.0351
22:01-23:00, Fri., 01 Aug. 0.0453 0.0352 0.0397
21:01-22:00, Fri., 01 Aug. 0.0479 0.0322 0.0392
20:01-21:00, Fri., 01 Aug. 0.0340 0.0302 0.0322
19:01-20:00, Fri., 01 Aug. 0.0339 0.0297 0.0316
18:01-19:00, Fri., 01 Aug. 0.0332 0.0292 0.0319
17:01-18:00, Fri., 01 Aug. 0.0347 0.0306 0.0323
16:01-17:00, Fri., 01 Aug. 0.0343 0.0305 0.0324
15:01-16:00, Fri., 01 Aug. 0.0351 0.0298 0.0320
14:01-15:00, Fri., 01 Aug. 0.0340 0.0307 0.0326
13:01-14:00, Fri., 01 Aug. 0.0341 0.0309 0.0323
12:01-13:00, Fri., 01 Aug. 0.0352 0.0309 0.0329
11:01-12:00, Fri., 01 Aug. 0.0354 0.0314 0.0331
10:01-11:00, Fri., 01 Aug. 0.0349 0.0310 0.0328
09:01-10:00, Fri., 01 Aug. 0.0343 0.0306 0.0323
08:01-09:00, Fri., 01 Aug. 0.0355 0.0308 0.0329
07:01-08:00, Fri., 01 Aug. 0.0360 0.0317 0.0336
06:01-07:00, Fri., 01 Aug. 0.0355 0.0281 0.0324
05:01-06:00, Fri., 01 Aug. 0.0332 0.0296 0.0318
04:01-05:00, Fri., 01 Aug. 0.0342 0.0297 0.0318
03:01-04:00, Fri., 01 Aug. 0.0338 0.0298 0.0317
02:01-03:00, Fri., 01 Aug. 0.0340 0.0302 0.0320
01:01-02:00, Fri., 01 Aug. 0.0334 0.0301 0.0319
00:01-01:00, Fri., 01 Aug. 0.0335 0.0301 0.0317
23:01-24:00, Thu., 31 Jul. 0.0342 0.0298 0.0320
22:01-23:00, Thu., 31 Jul. 0.0343 0.0293 0.0320
21:01-22:00, Thu., 31 Jul. 0.0337 0.0301 0.0317
20:01-21:00, Thu., 31 Jul. 0.0337 0.0295 0.0318
19:01-20:00, Thu., 31 Jul. 0.0333 0.0296 0.0314
18:01-19:00, Thu., 31 Jul. 0.0341 0.0298 0.0315
17:01-18:00, Thu., 31 Jul. 0.0332 0.0296 0.0315
16:01-17:00, Thu., 31 Jul. 0.0333 0.0291 0.0317
15:01-16:00, Thu., 31 Jul. 0.0342 0.0303 0.0318
14:01-15:00, Thu., 31 Jul. 0.0336 0.0292 0.0316
13:01-14:00, Thu., 31 Jul. 0.0349 0.0299 0.0319
12:01-13:00, Thu., 31 Jul. 0.0338 0.0303 0.0319
11:01-12:00, Thu., 31 Jul. 0.0349 0.0302 0.0322
10:01-11:00, Thu., 31 Jul. 0.0343 0.0300 0.0324
09:01-10:00, Thu., 31 Jul. 0.0349 0.0301 0.0322
08:01-09:00, Thu., 31 Jul. 0.0341 0.0296 0.0321
07:01-08:00, Thu., 31 Jul. 0.0350 0.0312 0.0325
06:01-07:00, Thu., 31 Jul. 0.0353 0.0310 0.0332
05:01-06:00, Thu., 31 Jul. 0.0357 0.0310 0.0335
04:01-05:00, Thu., 31 Jul. 0.0349 0.0305 0.0325
03:01-04:00, Thu., 31 Jul. 0.0337 0.0292 0.0319
02:01-03:00, Thu., 31 Jul. 0.0334 0.0302 0.0320
01:01-02:00, Thu., 31 Jul. 0.0338 0.0300 0.0319
00:01-01:00, Thu., 31 Jul. 0.0329 0.0288 0.0315
23:01-24:00, Wed., 30 Jul. 0.0330 0.0295 0.0316
22:01-23:00, Wed., 30 Jul. 0.0333 0.0289 0.0314
21:01-22:00, Wed., 30 Jul. 0.0339 0.0297 0.0316
20:01-21:00, Wed., 30 Jul. 0.0336 0.0296 0.0314
19:01-20:00, Wed., 30 Jul. 0.0342 0.0302 0.0316
18:01-19:00, Wed., 30 Jul. 0.0340 0.0295 0.0317
17:01-18:00, Wed., 30 Jul. 0.0336 0.0291 0.0316
16:01-17:00, Wed., 30 Jul. 0.0338 0.0297 0.0317
15:01-16:00, Wed., 30 Jul. 0.0335 0.0291 0.0317
14:01-15:00, Wed., 30 Jul. 0.0333 0.0294 0.0317
13:01-14:00, Wed., 30 Jul. 0.0334 0.0294 0.0313
12:01-13:00, Wed., 30 Jul. 0.0338 0.0291 0.0315
11:01-12:00, Wed., 30 Jul. 0.0337 0.0289 0.0315
10:01-11:00, Wed., 30 Jul. 0.0347 0.0299 0.0318
09:01-10:00, Wed., 30 Jul. 0.0342 0.0296 0.0317
08:01-09:00, Wed., 30 Jul. 0.0342 0.0310 0.0322
07:01-08:00, Wed., 30 Jul. 0.0350 0.0311 0.0329
06:01-07:00, Wed., 30 Jul. 0.0357 0.0319 0.0339
05:01-06:00, Wed., 30 Jul. 0.0357 0.0301 0.0327
04:01-05:00, Wed., 30 Jul. 0.0327 0.0296 0.0315
03:01-04:00, Wed., 30 Jul. 0.0337 0.0294 0.0314
02:01-03:00, Wed., 30 Jul. 0.0336 0.0297 0.0315
01:01-02:00, Wed., 30 Jul. 0.0332 0.0296 0.0313
00:01-01:00, Wed., 30 Jul. 0.0337 0.0292 0.0318
23:01-24:00, Tue., 29 Jul. 0.0339 0.0295 0.0315
22:01-23:00, Tue., 29 Jul. 0.0339 0.0293 0.0313
21:01-22:00, Tue., 29 Jul. 0.0344 0.0293 0.0317
20:01-21:00, Tue., 29 Jul. 0.0336 0.0298 0.0316
19:01-20:00, Tue., 29 Jul. 0.0332 0.0298 0.0315
18:01-19:00, Tue., 29 Jul. 0.0334 0.0300 0.0316
17:01-18:00, Tue., 29 Jul. 0.0344 0.0294 0.0317
16:01-17:00, Tue., 29 Jul. 0.0333 0.0291 0.0317
15:01-16:00, Tue., 29 Jul. 0.0329 0.0301 0.0313
14:01-15:00, Tue., 29 Jul. 0.0339 0.0289 0.0314
13:01-14:00, Tue., 29 Jul. 0.0330 0.0295 0.0312
12:01-13:00, Tue., 29 Jul. 0.0332 0.0289 0.0315
11:01-12:00, Tue., 29 Jul. 0.0337 0.0296 0.0313
10:01-11:00, Tue., 29 Jul. 0.0334 0.0291 0.0313
09:01-10:00, Tue., 29 Jul. 0.0328 0.0299 0.0315
08:01-09:00, Tue., 29 Jul. 0.0334 0.0302 0.0317
07:01-08:00, Tue., 29 Jul. 0.0335 0.0302 0.0319
06:01-07:00, Tue., 29 Jul. 0.0338 0.0292 0.0319
05:01-06:00, Tue., 29 Jul. 0.0336 0.0302 0.0318
04:01-05:00, Tue., 29 Jul. 0.0333 0.0298 0.0317
03:01-04:00, Tue., 29 Jul. 0.0333 0.0281 0.0314
02:01-03:00, Tue., 29 Jul. 0.0330 0.0293 0.0313
01:01-02:00, Tue., 29 Jul. 0.0327 0.0291 0.0310
00:01-01:00, Tue., 29 Jul. 0.0337 0.0294 0.0312
23:01-24:00, Mon., 28 Jul. 0.0329 0.0289 0.0310
22:01-23:00, Mon., 28 Jul. 0.0333 0.0292 0.0314
21:01-22:00, Mon., 28 Jul. 0.0331 0.0288 0.0311
20:01-21:00, Mon., 28 Jul. 0.0332 0.0293 0.0312
19:01-20:00, Mon., 28 Jul. 0.0330 0.0288 0.0313
18:01-19:00, Mon., 28 Jul. 0.0335 0.0292 0.0313
17:01-18:00, Mon., 28 Jul. 0.0334 0.0292 0.0313
16:01-17:00, Mon., 28 Jul. 0.0332 0.0294 0.0312
15:01-16:00, Mon., 28 Jul. 0.0333 0.0293 0.0312
14:01-15:00, Mon., 28 Jul. 0.0342 0.0291 0.0314
13:01-14:00, Mon., 28 Jul. 0.0331 0.0292 0.0311
12:01-13:00, Mon., 28 Jul. 0.0333 0.0294 0.0313
11:01-12:00, Mon., 28 Jul. 0.0328 0.0296 0.0312
10:01-11:00, Mon., 28 Jul. 0.0331 0.0288 0.0313
09:01-10:00, Mon., 28 Jul. 0.0330 0.0295 0.0313
08:01-09:00, Mon., 28 Jul. 0.0326 0.0298 0.0312
07:01-08:00, Mon., 28 Jul. 0.0329 0.0295 0.0313
06:01-07:00, Mon., 28 Jul. 0.0340 0.0293 0.0313
05:01-06:00, Mon., 28 Jul. 0.0335 0.0289 0.0318
04:01-05:00, Mon., 28 Jul. 0.0338 0.0289 0.0315
03:01-04:00, Mon., 28 Jul. 0.0332 0.0295 0.0312
02:01-03:00, Mon., 28 Jul. 0.0335 0.0290 0.0312
01:01-02:00, Mon., 28 Jul. 0.0344 0.0292 0.0312
00:01-01:00, Mon., 28 Jul. 0.0336 0.0293 0.0313