Measurement results by the hour (Chofu) 15 Apr., 2013 - 21 Apr., 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., 21 Apr. 0.0349 0.0316 0.0332
22:01-23:00, Sun., 21 Apr. 0.0350 0.0312 0.0332
21:01-22:00, Sun., 21 Apr. 0.0350 0.0316 0.0333
20:01-21:00, Sun., 21 Apr. 0.0349 0.0316 0.0333
19:01-20:00, Sun., 21 Apr. 0.0355 0.0310 0.0333
18:01-19:00, Sun., 21 Apr. 0.0344 0.0311 0.0329
17:01-18:00, Sun., 21 Apr. 0.0362 0.0313 0.0333
16:01-17:00, Sun., 21 Apr. 0.0354 0.0321 0.0334
15:01-16:00, Sun., 21 Apr. 0.0361 0.0318 0.0339
14:01-15:00, Sun., 21 Apr. 0.0368 0.0325 0.0342
13:01-14:00, Sun., 21 Apr. 0.0382 0.0334 0.0355
12:01-13:00, Sun., 21 Apr. 0.0437 0.0355 0.0389
11:01-12:00, Sun., 21 Apr. 0.0482 0.0381 0.0436
10:01-11:00, Sun., 21 Apr. 0.0528 0.0443 0.0493
09:01-10:00, Sun., 21 Apr. 0.0542 0.0455 0.0494
08:01-09:00, Sun., 21 Apr. 0.0533 0.0470 0.0502
07:01-08:00, Sun., 21 Apr. 0.0558 0.0473 0.0511
06:01-07:00, Sun., 21 Apr. 0.0532 0.0467 0.0501
05:01-06:00, Sun., 21 Apr. 0.0519 0.0439 0.0480
04:01-05:00, Sun., 21 Apr. 0.0492 0.0390 0.0437
03:01-04:00, Sun., 21 Apr. 0.0409 0.0353 0.0380
02:01-03:00, Sun., 21 Apr. 0.0467 0.0373 0.0412
01:01-02:00, Sun., 21 Apr. 0.0486 0.0423 0.0459
00:01-01:00, Sun., 21 Apr. 0.0495 0.0399 0.0453
23:01-24:00, Sat., 20 Apr. 0.0480 0.0373 0.0417
22:01-23:00, Sat., 20 Apr. 0.0454 0.0372 0.0417
21:01-22:00, Sat., 20 Apr. 0.0469 0.0401 0.0432
20:01-21:00, Sat., 20 Apr. 0.0490 0.0380 0.0423
19:01-20:00, Sat., 20 Apr. 0.0474 0.0412 0.0443
18:01-19:00, Sat., 20 Apr. 0.0496 0.0422 0.0443
17:01-18:00, Sat., 20 Apr. 0.0449 0.0372 0.0415
16:01-17:00, Sat., 20 Apr. 0.0425 0.0361 0.0390
15:01-16:00, Sat., 20 Apr. 0.0410 0.0338 0.0374
14:01-15:00, Sat., 20 Apr. 0.0386 0.0333 0.0357
13:01-14:00, Sat., 20 Apr. 0.0369 0.0327 0.0352
12:01-13:00, Sat., 20 Apr. 0.0368 0.0336 0.0350
11:01-12:00, Sat., 20 Apr. 0.0369 0.0330 0.0350
10:01-11:00, Sat., 20 Apr. 0.0388 0.0322 0.0352
09:01-10:00, Sat., 20 Apr. 0.0370 0.0334 0.0353
08:01-09:00, Sat., 20 Apr. 0.0368 0.0332 0.0351
07:01-08:00, Sat., 20 Apr. 0.0377 0.0333 0.0352
06:01-07:00, Sat., 20 Apr. 0.0373 0.0332 0.0353
05:01-06:00, Sat., 20 Apr. 0.0369 0.0331 0.0350
04:01-05:00, Sat., 20 Apr. 0.0370 0.0326 0.0352
03:01-04:00, Sat., 20 Apr. 0.0381 0.0331 0.0353
02:01-03:00, Sat., 20 Apr. 0.0372 0.0332 0.0352
01:01-02:00, Sat., 20 Apr. 0.0369 0.0327 0.0349
00:01-01:00, Sat., 20 Apr. 0.0398 0.0331 0.0350
23:01-24:00, Fri., 19 Apr. 0.0384 0.0329 0.0353
22:01-23:00, Fri., 19 Apr. 0.0372 0.0330 0.0350
21:01-22:00, Fri., 19 Apr. 0.0370 0.0331 0.0350
20:01-21:00, Fri., 19 Apr. 0.0367 0.0325 0.0349
19:01-20:00, Fri., 19 Apr. 0.0366 0.0322 0.0349
18:01-19:00, Fri., 19 Apr. 0.0375 0.0330 0.0354
17:01-18:00, Fri., 19 Apr. 0.0375 0.0329 0.0350
16:01-17:00, Fri., 19 Apr. 0.0368 0.0330 0.0348
15:01-16:00, Fri., 19 Apr. 0.0367 0.0326 0.0349
14:01-15:00, Fri., 19 Apr. 0.0367 0.0326 0.0344
13:01-14:00, Fri., 19 Apr. 0.0374 0.0315 0.0345
12:01-13:00, Fri., 19 Apr. 0.0366 0.0332 0.0349
11:01-12:00, Fri., 19 Apr. 0.0361 0.0329 0.0348
10:01-11:00, Fri., 19 Apr. 0.0367 0.0324 0.0349
09:01-10:00, Fri., 19 Apr. 0.0369 0.0330 0.0351
08:01-09:00, Fri., 19 Apr. 0.0367 0.0329 0.0346
07:01-08:00, Fri., 19 Apr. 0.0371 0.0332 0.0349
06:01-07:00, Fri., 19 Apr. 0.0364 0.0323 0.0346
05:01-06:00, Fri., 19 Apr. 0.0377 0.0331 0.0350
04:01-05:00, Fri., 19 Apr. 0.0372 0.0330 0.0351
03:01-04:00, Fri., 19 Apr. 0.0372 0.0328 0.0347
02:01-03:00, Fri., 19 Apr. 0.0369 0.0325 0.0351
01:01-02:00, Fri., 19 Apr. 0.0365 0.0328 0.0347
00:01-01:00, Fri., 19 Apr. 0.0367 0.0329 0.0347
23:01-24:00, Thu., 18 Apr. 0.0360 0.0326 0.0344
22:01-23:00, Thu., 18 Apr. 0.0359 0.0322 0.0343
21:01-22:00, Thu., 18 Apr. 0.0367 0.0323 0.0344
20:01-21:00, Thu., 18 Apr. 0.0366 0.0323 0.0345
19:01-20:00, Thu., 18 Apr. 0.0364 0.0323 0.0344
18:01-19:00, Thu., 18 Apr. 0.0368 0.0309 0.0341
17:01-18:00, Thu., 18 Apr. 0.0359 0.0320 0.0339
16:01-17:00, Thu., 18 Apr. 0.0365 0.0321 0.0341
15:01-16:00, Thu., 18 Apr. 0.0359 0.0320 0.0342
14:01-15:00, Thu., 18 Apr. 0.0359 0.0314 0.0340
13:01-14:00, Thu., 18 Apr. 0.0360 0.0322 0.0341
12:01-13:00, Thu., 18 Apr. 0.0364 0.0323 0.0341
11:01-12:00, Thu., 18 Apr. 0.0365 0.0321 0.0341
10:01-11:00, Thu., 18 Apr. 0.0363 0.0323 0.0342
09:01-10:00, Thu., 18 Apr. 0.0369 0.0329 0.0347
08:01-09:00, Thu., 18 Apr. 0.0379 0.0327 0.0355
07:01-08:00, Thu., 18 Apr. 0.0378 0.0337 0.0356
06:01-07:00, Thu., 18 Apr. 0.0380 0.0332 0.0361
05:01-06:00, Thu., 18 Apr. 0.0390 0.0338 0.0361
04:01-05:00, Thu., 18 Apr. 0.0372 0.0322 0.0350
03:01-04:00, Thu., 18 Apr. 0.0362 0.0328 0.0346
02:01-03:00, Thu., 18 Apr. 0.0372 0.0324 0.0343
01:01-02:00, Thu., 18 Apr. 0.0365 0.0319 0.0343
00:01-01:00, Thu., 18 Apr. 0.0356 0.0322 0.0341
23:01-24:00, Wed., 17 Apr. 0.0363 0.0330 0.0345
22:01-23:00, Wed., 17 Apr. 0.0363 0.0327 0.0343
21:01-22:00, Wed., 17 Apr. 0.0362 0.0318 0.0344
20:01-21:00, Wed., 17 Apr. 0.0363 0.0321 0.0342
19:01-20:00, Wed., 17 Apr. 0.0364 0.0320 0.0344
18:01-19:00, Wed., 17 Apr. 0.0366 0.0324 0.0343
17:01-18:00, Wed., 17 Apr. 0.0360 0.0316 0.0342
16:01-17:00, Wed., 17 Apr. 0.0364 0.0324 0.0342
15:01-16:00, Wed., 17 Apr. 0.0359 0.0321 0.0340
14:01-15:00, Wed., 17 Apr. 0.0372 0.0323 0.0344
13:01-14:00, Wed., 17 Apr. 0.0366 0.0321 0.0342
12:01-13:00, Wed., 17 Apr. 0.0366 0.0322 0.0342
11:01-12:00, Wed., 17 Apr. 0.0362 0.0324 0.0340
10:01-11:00, Wed., 17 Apr. 0.0373 0.0322 0.0344
09:01-10:00, Wed., 17 Apr. 0.0371 0.0330 0.0344
08:01-09:00, Wed., 17 Apr. 0.0366 0.0318 0.0343
07:01-08:00, Wed., 17 Apr. 0.0365 0.0326 0.0347
06:01-07:00, Wed., 17 Apr. 0.0369 0.0331 0.0348
05:01-06:00, Wed., 17 Apr. 0.0366 0.0326 0.0347
04:01-05:00, Wed., 17 Apr. 0.0388 0.0333 0.0359
03:01-04:00, Wed., 17 Apr. 0.0387 0.0337 0.0358
02:01-03:00, Wed., 17 Apr. 0.0403 0.0330 0.0357
01:01-02:00, Wed., 17 Apr. 0.0371 0.0335 0.0351
00:01-01:00, Wed., 17 Apr. 0.0370 0.0341 0.0354
23:01-24:00, Tue., 16 Apr. 0.0380 0.0330 0.0352
22:01-23:00, Tue., 16 Apr. 0.0370 0.0334 0.0350
21:01-22:00, Tue., 16 Apr. 0.0366 0.0326 0.0346
20:01-21:00, Tue., 16 Apr. 0.0370 0.0328 0.0346
19:01-20:00, Tue., 16 Apr. 0.0368 0.0329 0.0345
18:01-19:00, Tue., 16 Apr. 0.0360 0.0322 0.0344
17:01-18:00, Tue., 16 Apr. 0.0369 0.0329 0.0345
16:01-17:00, Tue., 16 Apr. 0.0366 0.0320 0.0341
15:01-16:00, Tue., 16 Apr. 0.0363 0.0322 0.0343
14:01-15:00, Tue., 16 Apr. 0.0370 0.0325 0.0344
13:01-14:00, Tue., 16 Apr. 0.0362 0.0327 0.0343
12:01-13:00, Tue., 16 Apr. 0.0364 0.0327 0.0346
11:01-12:00, Tue., 16 Apr. 0.0368 0.0321 0.0344
10:01-11:00, Tue., 16 Apr. 0.0363 0.0331 0.0348
09:01-10:00, Tue., 16 Apr. 0.0364 0.0329 0.0347
08:01-09:00, Tue., 16 Apr. 0.0369 0.0331 0.0350
07:01-08:00, Tue., 16 Apr. 0.0372 0.0326 0.0349
06:01-07:00, Tue., 16 Apr. 0.0370 0.0332 0.0350
05:01-06:00, Tue., 16 Apr. 0.0366 0.0320 0.0348
04:01-05:00, Tue., 16 Apr. 0.0368 0.0320 0.0347
03:01-04:00, Tue., 16 Apr. 0.0374 0.0325 0.0349
02:01-03:00, Tue., 16 Apr. 0.0367 0.0328 0.0347
01:01-02:00, Tue., 16 Apr. 0.0367 0.0329 0.0348
00:01-01:00, Tue., 16 Apr. 0.0362 0.0331 0.0348
23:01-24:00, Mon., 15 Apr. 0.0365 0.0335 0.0349
22:01-23:00, Mon., 15 Apr. 0.0373 0.0333 0.0350
21:01-22:00, Mon., 15 Apr. 0.0365 0.0325 0.0346
20:01-21:00, Mon., 15 Apr. 0.0369 0.0325 0.0344
19:01-20:00, Mon., 15 Apr. 0.0367 0.0327 0.0343
18:01-19:00, Mon., 15 Apr. 0.0362 0.0323 0.0343
17:01-18:00, Mon., 15 Apr. 0.0366 0.0313 0.0340
16:01-17:00, Mon., 15 Apr. 0.0359 0.0323 0.0340
15:01-16:00, Mon., 15 Apr. 0.0361 0.0323 0.0342
14:01-15:00, Mon., 15 Apr. 0.0361 0.0328 0.0343
13:01-14:00, Mon., 15 Apr. 0.0359 0.0321 0.0345
12:01-13:00, Mon., 15 Apr. 0.0369 0.0322 0.0346
11:01-12:00, Mon., 15 Apr. 0.0367 0.0328 0.0346
10:01-11:00, Mon., 15 Apr. 0.0367 0.0330 0.0349
09:01-10:00, Mon., 15 Apr. 0.0373 0.0332 0.0352
08:01-09:00, Mon., 15 Apr. 0.0373 0.0333 0.0351
07:01-08:00, Mon., 15 Apr. 0.0379 0.0337 0.0353
06:01-07:00, Mon., 15 Apr. 0.0370 0.0329 0.0350
05:01-06:00, Mon., 15 Apr. 0.0369 0.0325 0.0348
04:01-05:00, Mon., 15 Apr. 0.0369 0.0326 0.0345
03:01-04:00, Mon., 15 Apr. 0.0359 0.0322 0.0344
02:01-03:00, Mon., 15 Apr. 0.0361 0.0318 0.0343
01:01-02:00, Mon., 15 Apr. 0.0362 0.0317 0.0342
00:01-01:00, Mon., 15 Apr. 0.0361 0.0326 0.0345