Measurement results by the hour (Chofu) 11 Mar., 2013 - 17 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., 17 Mar. 0.0369 0.0322 0.0344
22:01-23:00, Sun., 17 Mar. 0.0368 0.0323 0.0346
21:01-22:00, Sun., 17 Mar. 0.0364 0.0314 0.0345
20:01-21:00, Sun., 17 Mar. 0.0369 0.0330 0.0342
19:01-20:00, Sun., 17 Mar. 0.0366 0.0320 0.0341
18:01-19:00, Sun., 17 Mar. 0.0358 0.0324 0.0340
17:01-18:00, Sun., 17 Mar. 0.0360 0.0318 0.0340
16:01-17:00, Sun., 17 Mar. 0.0363 0.0320 0.0342
15:01-16:00, Sun., 17 Mar. 0.0358 0.0311 0.0338
14:01-15:00, Sun., 17 Mar. 0.0364 0.0323 0.0341
13:01-14:00, Sun., 17 Mar. 0.0355 0.0310 0.0339
12:01-13:00, Sun., 17 Mar. 0.0363 0.0316 0.0341
11:01-12:00, Sun., 17 Mar. 0.0366 0.0321 0.0344
10:01-11:00, Sun., 17 Mar. 0.0366 0.0320 0.0344
09:01-10:00, Sun., 17 Mar. 0.0372 0.0320 0.0345
08:01-09:00, Sun., 17 Mar. 0.0368 0.0326 0.0346
07:01-08:00, Sun., 17 Mar. 0.0367 0.0328 0.0345
06:01-07:00, Sun., 17 Mar. 0.0365 0.0326 0.0346
05:01-06:00, Sun., 17 Mar. 0.0365 0.0312 0.0347
04:01-05:00, Sun., 17 Mar. 0.0368 0.0330 0.0347
03:01-04:00, Sun., 17 Mar. 0.0373 0.0326 0.0348
02:01-03:00, Sun., 17 Mar. 0.0372 0.0326 0.0346
01:01-02:00, Sun., 17 Mar. 0.0366 0.0321 0.0347
00:01-01:00, Sun., 17 Mar. 0.0366 0.0326 0.0347
23:01-24:00, Sat., 16 Mar. 0.0363 0.0317 0.0342
22:01-23:00, Sat., 16 Mar. 0.0361 0.0327 0.0344
21:01-22:00, Sat., 16 Mar. 0.0364 0.0326 0.0343
20:01-21:00, Sat., 16 Mar. 0.0358 0.0321 0.0340
19:01-20:00, Sat., 16 Mar. 0.0363 0.0320 0.0342
18:01-19:00, Sat., 16 Mar. 0.0358 0.0316 0.0338
17:01-18:00, Sat., 16 Mar. 0.0357 0.0322 0.0338
16:01-17:00, Sat., 16 Mar. 0.0355 0.0322 0.0336
15:01-16:00, Sat., 16 Mar. 0.0356 0.0316 0.0338
14:01-15:00, Sat., 16 Mar. 0.0359 0.0323 0.0340
13:01-14:00, Sat., 16 Mar. 0.0360 0.0322 0.0341
12:01-13:00, Sat., 16 Mar. 0.0365 0.0323 0.0345
11:01-12:00, Sat., 16 Mar. 0.0370 0.0322 0.0350
10:01-11:00, Sat., 16 Mar. 0.0378 0.0330 0.0351
09:01-10:00, Sat., 16 Mar. 0.0382 0.0333 0.0357
08:01-09:00, Sat., 16 Mar. 0.0384 0.0333 0.0361
07:01-08:00, Sat., 16 Mar. 0.0401 0.0349 0.0366
06:01-07:00, Sat., 16 Mar. 0.0395 0.0349 0.0367
05:01-06:00, Sat., 16 Mar. 0.0395 0.0354 0.0370
04:01-05:00, Sat., 16 Mar. 0.0380 0.0348 0.0361
03:01-04:00, Sat., 16 Mar. 0.0381 0.0344 0.0362
02:01-03:00, Sat., 16 Mar. 0.0377 0.0336 0.0355
01:01-02:00, Sat., 16 Mar. 0.0372 0.0336 0.0353
00:01-01:00, Sat., 16 Mar. 0.0370 0.0320 0.0348
23:01-24:00, Fri., 15 Mar. 0.0370 0.0331 0.0350
22:01-23:00, Fri., 15 Mar. 0.0365 0.0315 0.0343
21:01-22:00, Fri., 15 Mar. 0.0362 0.0327 0.0342
20:01-21:00, Fri., 15 Mar. 0.0357 0.0322 0.0340
19:01-20:00, Fri., 15 Mar. 0.0356 0.0317 0.0338
18:01-19:00, Fri., 15 Mar. 0.0364 0.0321 0.0337
17:01-18:00, Fri., 15 Mar. 0.0358 0.0319 0.0337
16:01-17:00, Fri., 15 Mar. 0.0352 0.0318 0.0337
15:01-16:00, Fri., 15 Mar. 0.0363 0.0316 0.0339
14:01-15:00, Fri., 15 Mar. 0.0354 0.0324 0.0340
13:01-14:00, Fri., 15 Mar. 0.0359 0.0322 0.0339
12:01-13:00, Fri., 15 Mar. 0.0361 0.0320 0.0338
11:01-12:00, Fri., 15 Mar. 0.0361 0.0325 0.0343
10:01-11:00, Fri., 15 Mar. 0.0368 0.0329 0.0346
09:01-10:00, Fri., 15 Mar. 0.0365 0.0327 0.0345
08:01-09:00, Fri., 15 Mar. 0.0371 0.0326 0.0349
07:01-08:00, Fri., 15 Mar. 0.0385 0.0329 0.0346
06:01-07:00, Fri., 15 Mar. 0.0362 0.0325 0.0343
05:01-06:00, Fri., 15 Mar. 0.0367 0.0322 0.0342
04:01-05:00, Fri., 15 Mar. 0.0358 0.0320 0.0344
03:01-04:00, Fri., 15 Mar. 0.0363 0.0323 0.0341
02:01-03:00, Fri., 15 Mar. 0.0365 0.0319 0.0341
01:01-02:00, Fri., 15 Mar. 0.0361 0.0307 0.0338
00:01-01:00, Fri., 15 Mar. 0.0360 0.0316 0.0337
23:01-24:00, Thu., 14 Mar. 0.0362 0.0315 0.0338
22:01-23:00, Thu., 14 Mar. 0.0354 0.0320 0.0337
21:01-22:00, Thu., 14 Mar. 0.0364 0.0315 0.0338
20:01-21:00, Thu., 14 Mar. 0.0360 0.0315 0.0338
19:01-20:00, Thu., 14 Mar. 0.0351 0.0321 0.0335
18:01-19:00, Thu., 14 Mar. 0.0361 0.0320 0.0336
17:01-18:00, Thu., 14 Mar. 0.0359 0.0318 0.0340
16:01-17:00, Thu., 14 Mar. 0.0355 0.0322 0.0338
15:01-16:00, Thu., 14 Mar. 0.0359 0.0319 0.0341
14:01-15:00, Thu., 14 Mar. 0.0367 0.0319 0.0341
13:01-14:00, Thu., 14 Mar. 0.0358 0.0322 0.0341
12:01-13:00, Thu., 14 Mar. 0.0365 0.0327 0.0344
11:01-12:00, Thu., 14 Mar. 0.0366 0.0331 0.0347
10:01-11:00, Thu., 14 Mar. 0.0392 0.0339 0.0360
09:01-10:00, Thu., 14 Mar. 0.0413 0.0353 0.0372
08:01-09:00, Thu., 14 Mar. 0.0530 0.0367 0.0441
07:01-08:00, Thu., 14 Mar. 0.0627 0.0500 0.0575
06:01-07:00, Thu., 14 Mar. 0.0614 0.0428 0.0518
05:01-06:00, Thu., 14 Mar. 0.0675 0.0470 0.0581
04:01-05:00, Thu., 14 Mar. 0.0738 0.0596 0.0668
03:01-04:00, Thu., 14 Mar. 0.0641 0.0379 0.0513
02:01-03:00, Thu., 14 Mar. 0.0414 0.0341 0.0367
01:01-02:00, Thu., 14 Mar. 0.0412 0.0347 0.0370
00:01-01:00, Thu., 14 Mar. 0.0445 0.0358 0.0404
23:01-24:00, Wed., 13 Mar. 0.0504 0.0410 0.0459
22:01-23:00, Wed., 13 Mar. 0.0438 0.0363 0.0396
21:01-22:00, Wed., 13 Mar. 0.0408 0.0350 0.0368
20:01-21:00, Wed., 13 Mar. 0.0395 0.0333 0.0362
19:01-20:00, Wed., 13 Mar. 0.0364 0.0329 0.0345
18:01-19:00, Wed., 13 Mar. 0.0367 0.0327 0.0341
17:01-18:00, Wed., 13 Mar. 0.0361 0.0312 0.0340
16:01-17:00, Wed., 13 Mar. 0.0363 0.0319 0.0342
15:01-16:00, Wed., 13 Mar. 0.0362 0.0315 0.0340
14:01-15:00, Wed., 13 Mar. 0.0363 0.0319 0.0342
13:01-14:00, Wed., 13 Mar. 0.0361 0.0322 0.0341
12:01-13:00, Wed., 13 Mar. 0.0360 0.0320 0.0339
11:01-12:00, Wed., 13 Mar. 0.0369 0.0324 0.0343
10:01-11:00, Wed., 13 Mar. 0.0364 0.0316 0.0342
09:01-10:00, Wed., 13 Mar. 0.0361 0.0324 0.0345
08:01-09:00, Wed., 13 Mar. 0.0360 0.0321 0.0344
07:01-08:00, Wed., 13 Mar. 0.0370 0.0333 0.0354
06:01-07:00, Wed., 13 Mar. 0.0373 0.0346 0.0360
05:01-06:00, Wed., 13 Mar. 0.0391 0.0346 0.0365
04:01-05:00, Wed., 13 Mar. 0.0374 0.0341 0.0360
03:01-04:00, Wed., 13 Mar. 0.0370 0.0329 0.0352
02:01-03:00, Wed., 13 Mar. 0.0376 0.0336 0.0356
01:01-02:00, Wed., 13 Mar. 0.0384 0.0338 0.0357
00:01-01:00, Wed., 13 Mar. 0.0369 0.0329 0.0347
23:01-24:00, Tue., 12 Mar. 0.0363 0.0322 0.0345
22:01-23:00, Tue., 12 Mar. 0.0358 0.0325 0.0344
21:01-22:00, Tue., 12 Mar. 0.0366 0.0326 0.0343
20:01-21:00, Tue., 12 Mar. 0.0386 0.0322 0.0346
19:01-20:00, Tue., 12 Mar. 0.0366 0.0318 0.0343
18:01-19:00, Tue., 12 Mar. 0.0362 0.0319 0.0338
17:01-18:00, Tue., 12 Mar. 0.0360 0.0315 0.0343
16:01-17:00, Tue., 12 Mar. 0.0365 0.0323 0.0342
15:01-16:00, Tue., 12 Mar. 0.0362 0.0323 0.0344
14:01-15:00, Tue., 12 Mar. 0.0366 0.0322 0.0344
13:01-14:00, Tue., 12 Mar. 0.0363 0.0322 0.0344
12:01-13:00, Tue., 12 Mar. 0.0369 0.0332 0.0351
11:01-12:00, Tue., 12 Mar. 0.0369 0.0335 0.0354
10:01-11:00, Tue., 12 Mar. 0.0376 0.0334 0.0355
09:01-10:00, Tue., 12 Mar. 0.0376 0.0334 0.0356
08:01-09:00, Tue., 12 Mar. 0.0372 0.0343 0.0358
07:01-08:00, Tue., 12 Mar. 0.0392 0.0338 0.0361
06:01-07:00, Tue., 12 Mar. 0.0381 0.0337 0.0360
05:01-06:00, Tue., 12 Mar. 0.0376 0.0326 0.0355
04:01-05:00, Tue., 12 Mar. 0.0369 0.0334 0.0353
03:01-04:00, Tue., 12 Mar. 0.0366 0.0331 0.0348
02:01-03:00, Tue., 12 Mar. 0.0365 0.0327 0.0347
01:01-02:00, Tue., 12 Mar. 0.0370 0.0334 0.0349
00:01-01:00, Tue., 12 Mar. 0.0373 0.0329 0.0348
23:01-24:00, Mon., 11 Mar. 0.0364 0.0331 0.0347
22:01-23:00, Mon., 11 Mar. 0.0364 0.0322 0.0345
21:01-22:00, Mon., 11 Mar. 0.0357 0.0327 0.0342
20:01-21:00, Mon., 11 Mar. 0.0362 0.0322 0.0345
19:01-20:00, Mon., 11 Mar. 0.0363 0.0311 0.0339
18:01-19:00, Mon., 11 Mar. 0.0360 0.0329 0.0344
17:01-18:00, Mon., 11 Mar. 0.0363 0.0319 0.0343
16:01-17:00, Mon., 11 Mar. 0.0370 0.0326 0.0344
15:01-16:00, Mon., 11 Mar. 0.0372 0.0329 0.0346
14:01-15:00, Mon., 11 Mar. 0.0368 0.0330 0.0349
13:01-14:00, Mon., 11 Mar. 0.0377 0.0326 0.0348
12:01-13:00, Mon., 11 Mar. 0.0376 0.0325 0.0347
11:01-12:00, Mon., 11 Mar. 0.0383 0.0328 0.0352
10:01-11:00, Mon., 11 Mar. 0.0368 0.0328 0.0346
09:01-10:00, Mon., 11 Mar. 0.0372 0.0332 0.0348
08:01-09:00, Mon., 11 Mar. 0.0367 0.0338 0.0351
07:01-08:00, Mon., 11 Mar. 0.0371 0.0331 0.0347
06:01-07:00, Mon., 11 Mar. 0.0369 0.0329 0.0349
05:01-06:00, Mon., 11 Mar. 0.0373 0.0325 0.0346
04:01-05:00, Mon., 11 Mar. 0.0364 0.0325 0.0344
03:01-04:00, Mon., 11 Mar. 0.0372 0.0323 0.0345
02:01-03:00, Mon., 11 Mar. 0.0368 0.0324 0.0346
01:01-02:00, Mon., 11 Mar. 0.0367 0.0329 0.0345
00:01-01:00, Mon., 11 Mar. 0.0369 0.0330 0.0348