Measurement results by the hour (Chofu) 4 Mar., 2013 - 10 Mar., 2013

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., 10 Mar. 0.0369 0.0318 0.0348
22:01-23:00, Sun., 10 Mar. 0.0365 0.0322 0.0348
21:01-22:00, Sun., 10 Mar. 0.0369 0.0332 0.0349
20:01-21:00, Sun., 10 Mar. 0.0370 0.0329 0.0351
19:01-20:00, Sun., 10 Mar. 0.0364 0.0329 0.0350
18:01-19:00, Sun., 10 Mar. 0.0367 0.0322 0.0348
17:01-18:00, Sun., 10 Mar. 0.0367 0.0329 0.0349
16:01-17:00, Sun., 10 Mar. 0.0369 0.0328 0.0351
15:01-16:00, Sun., 10 Mar. 0.0370 0.0335 0.0354
14:01-15:00, Sun., 10 Mar. 0.0367 0.0334 0.0349
13:01-14:00, Sun., 10 Mar. 0.0371 0.0335 0.0350
12:01-13:00, Sun., 10 Mar. 0.0369 0.0322 0.0349
11:01-12:00, Sun., 10 Mar. 0.0367 0.0320 0.0348
10:01-11:00, Sun., 10 Mar. 0.0375 0.0333 0.0354
09:01-10:00, Sun., 10 Mar. 0.0368 0.0332 0.0351
08:01-09:00, Sun., 10 Mar. 0.0372 0.0335 0.0351
07:01-08:00, Sun., 10 Mar. 0.0371 0.0336 0.0355
06:01-07:00, Sun., 10 Mar. 0.0384 0.0334 0.0353
05:01-06:00, Sun., 10 Mar. 0.0369 0.0330 0.0353
04:01-05:00, Sun., 10 Mar. 0.0372 0.0326 0.0350
03:01-04:00, Sun., 10 Mar. 0.0369 0.0330 0.0349
02:01-03:00, Sun., 10 Mar. 0.0363 0.0332 0.0349
01:01-02:00, Sun., 10 Mar. 0.0359 0.0325 0.0345
00:01-01:00, Sun., 10 Mar. 0.0383 0.0315 0.0344
23:01-24:00, Sat., 09 Mar. 0.0359 0.0325 0.0345
22:01-23:00, Sat., 09 Mar. 0.0360 0.0329 0.0346
21:01-22:00, Sat., 09 Mar. 0.0356 0.0322 0.0342
20:01-21:00, Sat., 09 Mar. 0.0361 0.0324 0.0345
19:01-20:00, Sat., 09 Mar. 0.0370 0.0327 0.0346
18:01-19:00, Sat., 09 Mar. 0.0363 0.0326 0.0347
17:01-18:00, Sat., 09 Mar. 0.0361 0.0314 0.0341
16:01-17:00, Sat., 09 Mar. 0.0358 0.0326 0.0344
15:01-16:00, Sat., 09 Mar. 0.0359 0.0321 0.0340
14:01-15:00, Sat., 09 Mar. 0.0366 0.0328 0.0344
13:01-14:00, Sat., 09 Mar. 0.0382 0.0316 0.0347
12:01-13:00, Sat., 09 Mar. 0.0369 0.0323 0.0347
11:01-12:00, Sat., 09 Mar. 0.0369 0.0331 0.0348
10:01-11:00, Sat., 09 Mar. 0.0363 0.0332 0.0346
09:01-10:00, Sat., 09 Mar. 0.0374 0.0324 0.0350
08:01-09:00, Sat., 09 Mar. 0.0372 0.0335 0.0351
07:01-08:00, Sat., 09 Mar. 0.0369 0.0333 0.0351
06:01-07:00, Sat., 09 Mar. 0.0371 0.0332 0.0350
05:01-06:00, Sat., 09 Mar. 0.0363 0.0331 0.0347
04:01-05:00, Sat., 09 Mar. 0.0369 0.0330 0.0350
03:01-04:00, Sat., 09 Mar. 0.0369 0.0327 0.0352
02:01-03:00, Sat., 09 Mar. 0.0366 0.0334 0.0348
01:01-02:00, Sat., 09 Mar. 0.0374 0.0326 0.0347
00:01-01:00, Sat., 09 Mar. 0.0366 0.0322 0.0346
23:01-24:00, Fri., 08 Mar. 0.0369 0.0322 0.0343
22:01-23:00, Fri., 08 Mar. 0.0365 0.0325 0.0342
21:01-22:00, Fri., 08 Mar. 0.0368 0.0322 0.0342
20:01-21:00, Fri., 08 Mar. 0.0357 0.0324 0.0341
19:01-20:00, Fri., 08 Mar. 0.0364 0.0323 0.0341
18:01-19:00, Fri., 08 Mar. 0.0357 0.0315 0.0338
17:01-18:00, Fri., 08 Mar. 0.0364 0.0323 0.0341
16:01-17:00, Fri., 08 Mar. 0.0362 0.0322 0.0343
15:01-16:00, Fri., 08 Mar. 0.0368 0.0324 0.0345
14:01-15:00, Fri., 08 Mar. 0.0365 0.0327 0.0343
13:01-14:00, Fri., 08 Mar. 0.0362 0.0325 0.0343
12:01-13:00, Fri., 08 Mar. 0.0364 0.0323 0.0343
11:01-12:00, Fri., 08 Mar. 0.0364 0.0318 0.0344
10:01-11:00, Fri., 08 Mar. 0.0372 0.0324 0.0346
09:01-10:00, Fri., 08 Mar. 0.0368 0.0330 0.0348
08:01-09:00, Fri., 08 Mar. 0.0379 0.0326 0.0351
07:01-08:00, Fri., 08 Mar. 0.0377 0.0336 0.0354
06:01-07:00, Fri., 08 Mar. 0.0382 0.0330 0.0355
05:01-06:00, Fri., 08 Mar. 0.0384 0.0338 0.0356
04:01-05:00, Fri., 08 Mar. 0.0368 0.0326 0.0351
03:01-04:00, Fri., 08 Mar. 0.0364 0.0326 0.0345
02:01-03:00, Fri., 08 Mar. 0.0373 0.0320 0.0344
01:01-02:00, Fri., 08 Mar. 0.0364 0.0325 0.0344
00:01-01:00, Fri., 08 Mar. 0.0358 0.0323 0.0341
23:01-24:00, Thu., 07 Mar. 0.0362 0.0316 0.0342
22:01-23:00, Thu., 07 Mar. 0.0367 0.0319 0.0341
21:01-22:00, Thu., 07 Mar. 0.0365 0.0324 0.0342
20:01-21:00, Thu., 07 Mar. 0.0357 0.0316 0.0340
19:01-20:00, Thu., 07 Mar. 0.0359 0.0324 0.0339
18:01-19:00, Thu., 07 Mar. 0.0370 0.0314 0.0340
17:01-18:00, Thu., 07 Mar. 0.0370 0.0319 0.0341
16:01-17:00, Thu., 07 Mar. 0.0358 0.0318 0.0342
15:01-16:00, Thu., 07 Mar. 0.0366 0.0322 0.0346
14:01-15:00, Thu., 07 Mar. 0.0368 0.0326 0.0346
13:01-14:00, Thu., 07 Mar. 0.0365 0.0321 0.0344
12:01-13:00, Thu., 07 Mar. 0.0366 0.0329 0.0345
11:01-12:00, Thu., 07 Mar. 0.0370 0.0330 0.0349
10:01-11:00, Thu., 07 Mar. 0.0369 0.0334 0.0351
09:01-10:00, Thu., 07 Mar. 0.0371 0.0338 0.0356
08:01-09:00, Thu., 07 Mar. 0.0385 0.0342 0.0361
07:01-08:00, Thu., 07 Mar. 0.0392 0.0340 0.0359
06:01-07:00, Thu., 07 Mar. 0.0387 0.0338 0.0359
05:01-06:00, Thu., 07 Mar. 0.0372 0.0334 0.0356
04:01-05:00, Thu., 07 Mar. 0.0380 0.0335 0.0359
03:01-04:00, Thu., 07 Mar. 0.0372 0.0338 0.0357
02:01-03:00, Thu., 07 Mar. 0.0381 0.0337 0.0356
01:01-02:00, Thu., 07 Mar. 0.0374 0.0327 0.0350
00:01-01:00, Thu., 07 Mar. 0.0366 0.0325 0.0346
23:01-24:00, Wed., 06 Mar. 0.0369 0.0325 0.0343
22:01-23:00, Wed., 06 Mar. 0.0357 0.0320 0.0342
21:01-22:00, Wed., 06 Mar. 0.0373 0.0317 0.0342
20:01-21:00, Wed., 06 Mar. 0.0363 0.0320 0.0341
19:01-20:00, Wed., 06 Mar. 0.0358 0.0318 0.0343
18:01-19:00, Wed., 06 Mar. 0.0358 0.0326 0.0341
17:01-18:00, Wed., 06 Mar. 0.0362 0.0325 0.0346
16:01-17:00, Wed., 06 Mar. 0.0367 0.0326 0.0345
15:01-16:00, Wed., 06 Mar. 0.0366 0.0322 0.0343
14:01-15:00, Wed., 06 Mar. 0.0369 0.0329 0.0345
13:01-14:00, Wed., 06 Mar. 0.0375 0.0325 0.0345
12:01-13:00, Wed., 06 Mar. 0.0366 0.0325 0.0347
11:01-12:00, Wed., 06 Mar. 0.0367 0.0331 0.0351
10:01-11:00, Wed., 06 Mar. 0.0363 0.0338 0.0351
09:01-10:00, Wed., 06 Mar. 0.0399 0.0336 0.0359
08:01-09:00, Wed., 06 Mar. 0.0396 0.0355 0.0369
07:01-08:00, Wed., 06 Mar. 0.0406 0.0356 0.0370
06:01-07:00, Wed., 06 Mar. 0.0407 0.0347 0.0368
05:01-06:00, Wed., 06 Mar. 0.0386 0.0346 0.0365
04:01-05:00, Wed., 06 Mar. 0.0400 0.0343 0.0363
03:01-04:00, Wed., 06 Mar. 0.0399 0.0339 0.0364
02:01-03:00, Wed., 06 Mar. 0.0378 0.0343 0.0360
01:01-02:00, Wed., 06 Mar. 0.0385 0.0338 0.0360
00:01-01:00, Wed., 06 Mar. 0.0385 0.0341 0.0358
23:01-24:00, Tue., 05 Mar. 0.0379 0.0320 0.0353
22:01-23:00, Tue., 05 Mar. 0.0370 0.0325 0.0349
21:01-22:00, Tue., 05 Mar. 0.0370 0.0329 0.0350
20:01-21:00, Tue., 05 Mar. 0.0366 0.0327 0.0348
19:01-20:00, Tue., 05 Mar. 0.0376 0.0332 0.0349
18:01-19:00, Tue., 05 Mar. 0.0368 0.0321 0.0347
17:01-18:00, Tue., 05 Mar. 0.0365 0.0320 0.0349
16:01-17:00, Tue., 05 Mar. 0.0371 0.0327 0.0349
15:01-16:00, Tue., 05 Mar. 0.0371 0.0332 0.0352
14:01-15:00, Tue., 05 Mar. 0.0378 0.0328 0.0352
13:01-14:00, Tue., 05 Mar. 0.0371 0.0325 0.0352
12:01-13:00, Tue., 05 Mar. 0.0377 0.0337 0.0355
11:01-12:00, Tue., 05 Mar. 0.0384 0.0330 0.0359
10:01-11:00, Tue., 05 Mar. 0.0381 0.0335 0.0358
09:01-10:00, Tue., 05 Mar. 0.0374 0.0331 0.0357
08:01-09:00, Tue., 05 Mar. 0.0378 0.0334 0.0358
07:01-08:00, Tue., 05 Mar. 0.0389 0.0332 0.0354
06:01-07:00, Tue., 05 Mar. 0.0370 0.0325 0.0348
05:01-06:00, Tue., 05 Mar. 0.0364 0.0332 0.0347
04:01-05:00, Tue., 05 Mar. 0.0369 0.0324 0.0350
03:01-04:00, Tue., 05 Mar. 0.0369 0.0323 0.0346
02:01-03:00, Tue., 05 Mar. 0.0373 0.0329 0.0352
01:01-02:00, Tue., 05 Mar. 0.0407 0.0335 0.0363
00:01-01:00, Tue., 05 Mar. 0.0436 0.0362 0.0398
23:01-24:00, Mon., 04 Mar. 0.0493 0.0404 0.0439
22:01-23:00, Mon., 04 Mar. 0.0498 0.0398 0.0453
21:01-22:00, Mon., 04 Mar. 0.0420 0.0331 0.0364
20:01-21:00, Mon., 04 Mar. 0.0369 0.0330 0.0350
19:01-20:00, Mon., 04 Mar. 0.0375 0.0329 0.0349
18:01-19:00, Mon., 04 Mar. 0.0368 0.0322 0.0350
17:01-18:00, Mon., 04 Mar. 0.0367 0.0327 0.0351
16:01-17:00, Mon., 04 Mar. 0.0368 0.0327 0.0349
15:01-16:00, Mon., 04 Mar. 0.0373 0.0334 0.0354
14:01-15:00, Mon., 04 Mar. 0.0372 0.0333 0.0355
13:01-14:00, Mon., 04 Mar. 0.0387 0.0342 0.0357
12:01-13:00, Mon., 04 Mar. 0.0380 0.0339 0.0357
11:01-12:00, Mon., 04 Mar. 0.0378 0.0342 0.0357
10:01-11:00, Mon., 04 Mar. 0.0380 0.0339 0.0358
09:01-10:00, Mon., 04 Mar. 0.0369 0.0334 0.0356
08:01-09:00, Mon., 04 Mar. 0.0384 0.0333 0.0357
07:01-08:00, Mon., 04 Mar. 0.0373 0.0330 0.0355
06:01-07:00, Mon., 04 Mar. 0.0387 0.0333 0.0357
05:01-06:00, Mon., 04 Mar. 0.0386 0.0337 0.0357
04:01-05:00, Mon., 04 Mar. 0.0389 0.0340 0.0357
03:01-04:00, Mon., 04 Mar. 0.0370 0.0339 0.0356
02:01-03:00, Mon., 04 Mar. 0.0374 0.0333 0.0354
01:01-02:00, Mon., 04 Mar. 0.0375 0.0335 0.0356
00:01-01:00, Mon., 04 Mar. 0.0370 0.0324 0.0354