Measurement results by the hour (Chofu) 24 Jun., 2013 - 30 Jun., 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., 30 Jun. 0.0347 0.0311 0.0328
22:01-23:00, Sun., 30 Jun. 0.0342 0.0305 0.0328
21:01-22:00, Sun., 30 Jun. 0.0347 0.0302 0.0328
20:01-21:00, Sun., 30 Jun. 0.0343 0.0310 0.0327
19:01-20:00, Sun., 30 Jun. 0.0350 0.0312 0.0330
18:01-19:00, Sun., 30 Jun. 0.0352 0.0304 0.0328
17:01-18:00, Sun., 30 Jun. 0.0341 0.0306 0.0328
16:01-17:00, Sun., 30 Jun. 0.0353 0.0314 0.0330
15:01-16:00, Sun., 30 Jun. 0.0352 0.0312 0.0330
14:01-15:00, Sun., 30 Jun. 0.0344 0.0307 0.0326
13:01-14:00, Sun., 30 Jun. 0.0348 0.0300 0.0327
12:01-13:00, Sun., 30 Jun. 0.0351 0.0309 0.0330
11:01-12:00, Sun., 30 Jun. 0.0348 0.0308 0.0326
10:01-11:00, Sun., 30 Jun. 0.0349 0.0311 0.0327
09:01-10:00, Sun., 30 Jun. 0.0348 0.0306 0.0326
08:01-09:00, Sun., 30 Jun. 0.0348 0.0297 0.0326
07:01-08:00, Sun., 30 Jun. 0.0345 0.0307 0.0325
06:01-07:00, Sun., 30 Jun. 0.0347 0.0302 0.0326
05:01-06:00, Sun., 30 Jun. 0.0347 0.0303 0.0325
04:01-05:00, Sun., 30 Jun. 0.0359 0.0309 0.0328
03:01-04:00, Sun., 30 Jun. 0.0351 0.0302 0.0329
02:01-03:00, Sun., 30 Jun. 0.0346 0.0306 0.0326
01:01-02:00, Sun., 30 Jun. 0.0344 0.0308 0.0328
00:01-01:00, Sun., 30 Jun. 0.0346 0.0307 0.0326
23:01-24:00, Sat., 29 Jun. 0.0347 0.0309 0.0326
22:01-23:00, Sat., 29 Jun. 0.0354 0.0309 0.0326
21:01-22:00, Sat., 29 Jun. 0.0347 0.0310 0.0328
20:01-21:00, Sat., 29 Jun. 0.0345 0.0311 0.0327
19:01-20:00, Sat., 29 Jun. 0.0354 0.0309 0.0328
18:01-19:00, Sat., 29 Jun. 0.0351 0.0299 0.0327
17:01-18:00, Sat., 29 Jun. 0.0355 0.0308 0.0331
16:01-17:00, Sat., 29 Jun. 0.0352 0.0311 0.0328
15:01-16:00, Sat., 29 Jun. 0.0358 0.0312 0.0330
14:01-15:00, Sat., 29 Jun. 0.0347 0.0308 0.0329
13:01-14:00, Sat., 29 Jun. 0.0350 0.0311 0.0328
12:01-13:00, Sat., 29 Jun. 0.0344 0.0308 0.0326
11:01-12:00, Sat., 29 Jun. 0.0353 0.0304 0.0329
10:01-11:00, Sat., 29 Jun. 0.0350 0.0313 0.0330
09:01-10:00, Sat., 29 Jun. 0.0350 0.0308 0.0327
08:01-09:00, Sat., 29 Jun. 0.0353 0.0311 0.0331
07:01-08:00, Sat., 29 Jun. 0.0356 0.0306 0.0336
06:01-07:00, Sat., 29 Jun. 0.0363 0.0319 0.0341
05:01-06:00, Sat., 29 Jun. 0.0369 0.0315 0.0338
04:01-05:00, Sat., 29 Jun. 0.0356 0.0311 0.0335
03:01-04:00, Sat., 29 Jun. 0.0356 0.0316 0.0335
02:01-03:00, Sat., 29 Jun. 0.0351 0.0305 0.0325
01:01-02:00, Sat., 29 Jun. 0.0353 0.0306 0.0323
00:01-01:00, Sat., 29 Jun. 0.0348 0.0303 0.0324
23:01-24:00, Fri., 28 Jun. 0.0340 0.0299 0.0322
22:01-23:00, Fri., 28 Jun. 0.0351 0.0306 0.0326
21:01-22:00, Fri., 28 Jun. 0.0345 0.0304 0.0326
20:01-21:00, Fri., 28 Jun. 0.0339 0.0295 0.0323
19:01-20:00, Fri., 28 Jun. 0.0346 0.0308 0.0327
18:01-19:00, Fri., 28 Jun. 0.0359 0.0308 0.0326
17:01-18:00, Fri., 28 Jun. 0.0347 0.0309 0.0324
16:01-17:00, Fri., 28 Jun. 0.0343 0.0295 0.0324
15:01-16:00, Fri., 28 Jun. 0.0342 0.0302 0.0326
14:01-15:00, Fri., 28 Jun. 0.0338 0.0308 0.0326
13:01-14:00, Fri., 28 Jun. 0.0345 0.0307 0.0326
12:01-13:00, Fri., 28 Jun. 0.0340 0.0306 0.0324
11:01-12:00, Fri., 28 Jun. 0.0349 0.0302 0.0324
10:01-11:00, Fri., 28 Jun. 0.0345 0.0306 0.0325
09:01-10:00, Fri., 28 Jun. 0.0338 0.0307 0.0326
08:01-09:00, Fri., 28 Jun. 0.0344 0.0307 0.0326
07:01-08:00, Fri., 28 Jun. 0.0343 0.0310 0.0326
06:01-07:00, Fri., 28 Jun. 0.0357 0.0311 0.0327
05:01-06:00, Fri., 28 Jun. 0.0344 0.0307 0.0326
04:01-05:00, Fri., 28 Jun. 0.0348 0.0299 0.0324
03:01-04:00, Fri., 28 Jun. 0.0348 0.0306 0.0326
02:01-03:00, Fri., 28 Jun. 0.0342 0.0309 0.0325
01:01-02:00, Fri., 28 Jun. 0.0348 0.0302 0.0324
00:01-01:00, Fri., 28 Jun. 0.0350 0.0297 0.0323
23:01-24:00, Thu., 27 Jun. 0.0340 0.0305 0.0323
22:01-23:00, Thu., 27 Jun. 0.0342 0.0306 0.0322
21:01-22:00, Thu., 27 Jun. 0.0341 0.0303 0.0320
20:01-21:00, Thu., 27 Jun. 0.0344 0.0308 0.0324
19:01-20:00, Thu., 27 Jun. 0.0351 0.0301 0.0325
18:01-19:00, Thu., 27 Jun. 0.0338 0.0305 0.0323
17:01-18:00, Thu., 27 Jun. 0.0343 0.0305 0.0322
16:01-17:00, Thu., 27 Jun. 0.0340 0.0300 0.0324
15:01-16:00, Thu., 27 Jun. 0.0346 0.0301 0.0320
14:01-15:00, Thu., 27 Jun. 0.0339 0.0306 0.0324
13:01-14:00, Thu., 27 Jun. 0.0345 0.0305 0.0325
12:01-13:00, Thu., 27 Jun. 0.0347 0.0302 0.0326
11:01-12:00, Thu., 27 Jun. 0.0344 0.0297 0.0322
10:01-11:00, Thu., 27 Jun. 0.0349 0.0304 0.0323
09:01-10:00, Thu., 27 Jun. 0.0337 0.0302 0.0321
08:01-09:00, Thu., 27 Jun. 0.0348 0.0308 0.0324
07:01-08:00, Thu., 27 Jun. 0.0353 0.0307 0.0330
06:01-07:00, Thu., 27 Jun. 0.0348 0.0317 0.0334
05:01-06:00, Thu., 27 Jun. 0.0364 0.0315 0.0337
04:01-05:00, Thu., 27 Jun. 0.0356 0.0321 0.0337
03:01-04:00, Thu., 27 Jun. 0.0363 0.0317 0.0346
02:01-03:00, Thu., 27 Jun. 0.0404 0.0339 0.0365
01:01-02:00, Thu., 27 Jun. 0.0395 0.0342 0.0364
00:01-01:00, Thu., 27 Jun. 0.0409 0.0339 0.0365
23:01-24:00, Wed., 26 Jun. 0.0397 0.0346 0.0367
22:01-23:00, Wed., 26 Jun. 0.0412 0.0360 0.0380
21:01-22:00, Wed., 26 Jun. 0.0408 0.0339 0.0361
20:01-21:00, Wed., 26 Jun. 0.0400 0.0339 0.0370
19:01-20:00, Wed., 26 Jun. 0.0453 0.0369 0.0404
18:01-19:00, Wed., 26 Jun. 0.0496 0.0392 0.0447
17:01-18:00, Wed., 26 Jun. 0.0574 0.0460 0.0503
16:01-17:00, Wed., 26 Jun. 0.0528 0.0446 0.0490
15:01-16:00, Wed., 26 Jun. 0.0485 0.0408 0.0441
14:01-15:00, Wed., 26 Jun. 0.0458 0.0375 0.0420
13:01-14:00, Wed., 26 Jun. 0.0425 0.0349 0.0384
12:01-13:00, Wed., 26 Jun. 0.0390 0.0340 0.0361
11:01-12:00, Wed., 26 Jun. 0.0392 0.0342 0.0364
10:01-11:00, Wed., 26 Jun. 0.0397 0.0335 0.0366
09:01-10:00, Wed., 26 Jun. 0.0389 0.0322 0.0355
08:01-09:00, Wed., 26 Jun. 0.0352 0.0310 0.0328
07:01-08:00, Wed., 26 Jun. 0.0353 0.0302 0.0329
06:01-07:00, Wed., 26 Jun. 0.0345 0.0311 0.0328
05:01-06:00, Wed., 26 Jun. 0.0348 0.0306 0.0329
04:01-05:00, Wed., 26 Jun. 0.0351 0.0308 0.0329
03:01-04:00, Wed., 26 Jun. 0.0352 0.0305 0.0329
02:01-03:00, Wed., 26 Jun. 0.0352 0.0306 0.0329
01:01-02:00, Wed., 26 Jun. 0.0351 0.0299 0.0328
00:01-01:00, Wed., 26 Jun. 0.0345 0.0310 0.0329
23:01-24:00, Tue., 25 Jun. 0.0353 0.0309 0.0328
22:01-23:00, Tue., 25 Jun. 0.0346 0.0308 0.0329
21:01-22:00, Tue., 25 Jun. 0.0347 0.0302 0.0327
20:01-21:00, Tue., 25 Jun. 0.0354 0.0306 0.0328
19:01-20:00, Tue., 25 Jun. 0.0355 0.0312 0.0329
18:01-19:00, Tue., 25 Jun. 0.0343 0.0306 0.0327
17:01-18:00, Tue., 25 Jun. 0.0349 0.0310 0.0331
16:01-17:00, Tue., 25 Jun. 0.0366 0.0317 0.0340
15:01-16:00, Tue., 25 Jun. 0.0417 0.0345 0.0375
14:01-15:00, Tue., 25 Jun. 0.0510 0.0391 0.0454
13:01-14:00, Tue., 25 Jun. 0.0491 0.0344 0.0421
12:01-13:00, Tue., 25 Jun. 0.0349 0.0309 0.0331
11:01-12:00, Tue., 25 Jun. 0.0353 0.0306 0.0332
10:01-11:00, Tue., 25 Jun. 0.0348 0.0315 0.0333
09:01-10:00, Tue., 25 Jun. 0.0359 0.0319 0.0340
08:01-09:00, Tue., 25 Jun. 0.0379 0.0335 0.0356
07:01-08:00, Tue., 25 Jun. 0.0390 0.0317 0.0356
06:01-07:00, Tue., 25 Jun. 0.0352 0.0316 0.0335
05:01-06:00, Tue., 25 Jun. 0.0352 0.0313 0.0333
04:01-05:00, Tue., 25 Jun. 0.0364 0.0316 0.0342
03:01-04:00, Tue., 25 Jun. 0.0366 0.0327 0.0344
02:01-03:00, Tue., 25 Jun. 0.0367 0.0317 0.0342
01:01-02:00, Tue., 25 Jun. 0.0358 0.0318 0.0332
00:01-01:00, Tue., 25 Jun. 0.0352 0.0304 0.0333
23:01-24:00, Mon., 24 Jun. 0.0353 0.0308 0.0332
22:01-23:00, Mon., 24 Jun. 0.0347 0.0319 0.0333
21:01-22:00, Mon., 24 Jun. 0.0353 0.0313 0.0333
20:01-21:00, Mon., 24 Jun. 0.0356 0.0312 0.0332
19:01-20:00, Mon., 24 Jun. 0.0351 0.0307 0.0333
18:01-19:00, Mon., 24 Jun. 0.0361 0.0317 0.0334
17:01-18:00, Mon., 24 Jun. 0.0351 0.0306 0.0334
16:01-17:00, Mon., 24 Jun. 0.0360 0.0316 0.0337
15:01-16:00, Mon., 24 Jun. 0.0358 0.0316 0.0335
14:01-15:00, Mon., 24 Jun. 0.0353 0.0308 0.0335
13:01-14:00, Mon., 24 Jun. 0.0360 0.0312 0.0335
12:01-13:00, Mon., 24 Jun. 0.0353 0.0314 0.0334
11:01-12:00, Mon., 24 Jun. 0.0364 0.0311 0.0331
10:01-11:00, Mon., 24 Jun. 0.0355 0.0313 0.0334
09:01-10:00, Mon., 24 Jun. 0.0351 0.0315 0.0334
08:01-09:00, Mon., 24 Jun. 0.0356 0.0313 0.0336
07:01-08:00, Mon., 24 Jun. 0.0365 0.0308 0.0333
06:01-07:00, Mon., 24 Jun. 0.0351 0.0314 0.0332
05:01-06:00, Mon., 24 Jun. 0.0349 0.0312 0.0335
04:01-05:00, Mon., 24 Jun. 0.0360 0.0322 0.0343
03:01-04:00, Mon., 24 Jun. 0.0381 0.0333 0.0356
02:01-03:00, Mon., 24 Jun. 0.0358 0.0310 0.0332
01:01-02:00, Mon., 24 Jun. 0.0354 0.0309 0.0332
00:01-01:00, Mon., 24 Jun. 0.0356 0.0316 0.0331