Measurement results by the hour (Chofu) 29 Sep., 2014 - 5 Oct., 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., 05 Oct. 0.0505 0.0404 0.0441
22:01-23:00, Sun., 05 Oct. 0.0501 0.0425 0.0459
21:01-22:00, Sun., 05 Oct. 0.0483 0.0400 0.0437
20:01-21:00, Sun., 05 Oct. 0.0480 0.0371 0.0430
19:01-20:00, Sun., 05 Oct. 0.0517 0.0439 0.0475
18:01-19:00, Sun., 05 Oct. 0.0517 0.0436 0.0473
17:01-18:00, Sun., 05 Oct. 0.0509 0.0438 0.0465
16:01-17:00, Sun., 05 Oct. 0.0521 0.0439 0.0474
15:01-16:00, Sun., 05 Oct. 0.0566 0.0462 0.0514
14:01-15:00, Sun., 05 Oct. 0.0555 0.0452 0.0507
13:01-14:00, Sun., 05 Oct. 0.0537 0.0446 0.0491
12:01-13:00, Sun., 05 Oct. 0.0563 0.0480 0.0519
11:01-12:00, Sun., 05 Oct. 0.0562 0.0479 0.0516
10:01-11:00, Sun., 05 Oct. 0.0532 0.0436 0.0482
09:01-10:00, Sun., 05 Oct. 0.0484 0.0405 0.0442
08:01-09:00, Sun., 05 Oct. 0.0458 0.0398 0.0427
07:01-08:00, Sun., 05 Oct. 0.0485 0.0369 0.0414
06:01-07:00, Sun., 05 Oct. 0.0422 0.0366 0.0393
05:01-06:00, Sun., 05 Oct. 0.0434 0.0343 0.0379
04:01-05:00, Sun., 05 Oct. 0.0371 0.0332 0.0350
03:01-04:00, Sun., 05 Oct. 0.0390 0.0333 0.0360
02:01-03:00, Sun., 05 Oct. 0.0361 0.0306 0.0336
01:01-02:00, Sun., 05 Oct. 0.0343 0.0308 0.0324
00:01-01:00, Sun., 05 Oct. 0.0344 0.0301 0.0324
23:01-24:00, Sat., 04 Oct. 0.0346 0.0308 0.0325
22:01-23:00, Sat., 04 Oct. 0.0346 0.0309 0.0327
21:01-22:00, Sat., 04 Oct. 0.0355 0.0301 0.0324
20:01-21:00, Sat., 04 Oct. 0.0341 0.0301 0.0322
19:01-20:00, Sat., 04 Oct. 0.0340 0.0300 0.0320
18:01-19:00, Sat., 04 Oct. 0.0349 0.0301 0.0326
17:01-18:00, Sat., 04 Oct. 0.0346 0.0305 0.0322
16:01-17:00, Sat., 04 Oct. 0.0341 0.0301 0.0322
15:01-16:00, Sat., 04 Oct. 0.0342 0.0306 0.0322
14:01-15:00, Sat., 04 Oct. 0.0342 0.0297 0.0321
13:01-14:00, Sat., 04 Oct. 0.0352 0.0304 0.0324
12:01-13:00, Sat., 04 Oct. 0.0341 0.0300 0.0322
11:01-12:00, Sat., 04 Oct. 0.0347 0.0300 0.0323
10:01-11:00, Sat., 04 Oct. 0.0344 0.0307 0.0322
09:01-10:00, Sat., 04 Oct. 0.0344 0.0309 0.0326
08:01-09:00, Sat., 04 Oct. 0.0345 0.0300 0.0324
07:01-08:00, Sat., 04 Oct. 0.0351 0.0305 0.0324
06:01-07:00, Sat., 04 Oct. 0.0339 0.0307 0.0325
05:01-06:00, Sat., 04 Oct. 0.0343 0.0301 0.0325
04:01-05:00, Sat., 04 Oct. 0.0340 0.0298 0.0324
03:01-04:00, Sat., 04 Oct. 0.0344 0.0310 0.0327
02:01-03:00, Sat., 04 Oct. 0.0346 0.0304 0.0328
01:01-02:00, Sat., 04 Oct. 0.0352 0.0302 0.0329
00:01-01:00, Sat., 04 Oct. 0.0351 0.0312 0.0330
23:01-24:00, Fri., 03 Oct. 0.0343 0.0299 0.0322
22:01-23:00, Fri., 03 Oct. 0.0335 0.0298 0.0317
21:01-22:00, Fri., 03 Oct. 0.0333 0.0295 0.0316
20:01-21:00, Fri., 03 Oct. 0.0338 0.0295 0.0314
19:01-20:00, Fri., 03 Oct. 0.0333 0.0298 0.0315
18:01-19:00, Fri., 03 Oct. 0.0337 0.0295 0.0314
17:01-18:00, Fri., 03 Oct. 0.0339 0.0293 0.0313
16:01-17:00, Fri., 03 Oct. 0.0331 0.0292 0.0313
15:01-16:00, Fri., 03 Oct. 0.0336 0.0295 0.0314
14:01-15:00, Fri., 03 Oct. 0.0333 0.0299 0.0316
13:01-14:00, Fri., 03 Oct. 0.0328 0.0290 0.0311
12:01-13:00, Fri., 03 Oct. 0.0332 0.0298 0.0315
11:01-12:00, Fri., 03 Oct. 0.0335 0.0296 0.0314
10:01-11:00, Fri., 03 Oct. 0.0336 0.0295 0.0314
09:01-10:00, Fri., 03 Oct. 0.0336 0.0295 0.0314
08:01-09:00, Fri., 03 Oct. 0.0339 0.0291 0.0316
07:01-08:00, Fri., 03 Oct. 0.0351 0.0298 0.0318
06:01-07:00, Fri., 03 Oct. 0.0331 0.0304 0.0319
05:01-06:00, Fri., 03 Oct. 0.0337 0.0293 0.0316
04:01-05:00, Fri., 03 Oct. 0.0332 0.0293 0.0314
03:01-04:00, Fri., 03 Oct. 0.0333 0.0299 0.0316
02:01-03:00, Fri., 03 Oct. 0.0338 0.0301 0.0317
01:01-02:00, Fri., 03 Oct. 0.0343 0.0300 0.0320
00:01-01:00, Fri., 03 Oct. 0.0338 0.0296 0.0316
23:01-24:00, Thu., 02 Oct. 0.0334 0.0300 0.0315
22:01-23:00, Thu., 02 Oct. 0.0333 0.0291 0.0316
21:01-22:00, Thu., 02 Oct. 0.0341 0.0295 0.0317
20:01-21:00, Thu., 02 Oct. 0.0340 0.0293 0.0316
19:01-20:00, Thu., 02 Oct. 0.0336 0.0302 0.0317
18:01-19:00, Thu., 02 Oct. 0.0333 0.0302 0.0318
17:01-18:00, Thu., 02 Oct. 0.0343 0.0297 0.0322
16:01-17:00, Thu., 02 Oct. 0.0368 0.0315 0.0336
15:01-16:00, Thu., 02 Oct. 0.0396 0.0333 0.0363
14:01-15:00, Thu., 02 Oct. 0.0394 0.0303 0.0337
13:01-14:00, Thu., 02 Oct. 0.0346 0.0299 0.0320
12:01-13:00, Thu., 02 Oct. 0.0343 0.0300 0.0320
11:01-12:00, Thu., 02 Oct. 0.0345 0.0300 0.0321
10:01-11:00, Thu., 02 Oct. 0.0337 0.0302 0.0321
09:01-10:00, Thu., 02 Oct. 0.0347 0.0298 0.0324
08:01-09:00, Thu., 02 Oct. 0.0345 0.0309 0.0326
07:01-08:00, Thu., 02 Oct. 0.0350 0.0309 0.0331
06:01-07:00, Thu., 02 Oct. 0.0353 0.0310 0.0330
05:01-06:00, Thu., 02 Oct. 0.0349 0.0305 0.0330
04:01-05:00, Thu., 02 Oct. 0.0349 0.0311 0.0329
03:01-04:00, Thu., 02 Oct. 0.0351 0.0314 0.0330
02:01-03:00, Thu., 02 Oct. 0.0347 0.0301 0.0325
01:01-02:00, Thu., 02 Oct. 0.0340 0.0294 0.0324
00:01-01:00, Thu., 02 Oct. 0.0348 0.0305 0.0325
23:01-24:00, Wed., 01 Oct. 0.0343 0.0303 0.0321
22:01-23:00, Wed., 01 Oct. 0.0337 0.0309 0.0323
21:01-22:00, Wed., 01 Oct. 0.0352 0.0305 0.0322
20:01-21:00, Wed., 01 Oct. 0.0349 0.0302 0.0321
19:01-20:00, Wed., 01 Oct. 0.0348 0.0303 0.0323
18:01-19:00, Wed., 01 Oct. 0.0342 0.0304 0.0321
17:01-18:00, Wed., 01 Oct. 0.0344 0.0301 0.0321
16:01-17:00, Wed., 01 Oct. 0.0357 0.0311 0.0330
15:01-16:00, Wed., 01 Oct. 0.0382 0.0327 0.0352
14:01-15:00, Wed., 01 Oct. 0.0426 0.0353 0.0384
13:01-14:00, Wed., 01 Oct. 0.0414 0.0353 0.0377
12:01-13:00, Wed., 01 Oct. 0.0491 0.0370 0.0436
11:01-12:00, Wed., 01 Oct. 0.0495 0.0348 0.0429
10:01-11:00, Wed., 01 Oct. 0.0356 0.0306 0.0328
09:01-10:00, Wed., 01 Oct. 0.0343 0.0308 0.0326
08:01-09:00, Wed., 01 Oct. 0.0346 0.0309 0.0326
07:01-08:00, Wed., 01 Oct. 0.0354 0.0317 0.0335
06:01-07:00, Wed., 01 Oct. 0.0353 0.0311 0.0332
05:01-06:00, Wed., 01 Oct. 0.0352 0.0303 0.0332
04:01-05:00, Wed., 01 Oct. 0.0346 0.0313 0.0331
03:01-04:00, Wed., 01 Oct. 0.0349 0.0314 0.0331
02:01-03:00, Wed., 01 Oct. 0.0352 0.0315 0.0330
01:01-02:00, Wed., 01 Oct. 0.0357 0.0309 0.0329
00:01-01:00, Wed., 01 Oct. 0.0350 0.0309 0.0328
23:01-24:00, Tue., 30 Sep. 0.0346 0.0296 0.0327
22:01-23:00, Tue., 30 Sep. 0.0338 0.0304 0.0323
21:01-22:00, Tue., 30 Sep. 0.0347 0.0299 0.0322
20:01-21:00, Tue., 30 Sep. 0.0345 0.0300 0.0324
19:01-20:00, Tue., 30 Sep. 0.0346 0.0304 0.0323
18:01-19:00, Tue., 30 Sep. 0.0344 0.0301 0.0326
17:01-18:00, Tue., 30 Sep. 0.0347 0.0309 0.0325
16:01-17:00, Tue., 30 Sep. 0.0338 0.0305 0.0323
15:01-16:00, Tue., 30 Sep. 0.0352 0.0309 0.0326
14:01-15:00, Tue., 30 Sep. 0.0340 0.0303 0.0324
13:01-14:00, Tue., 30 Sep. 0.0348 0.0306 0.0324
12:01-13:00, Tue., 30 Sep. 0.0347 0.0303 0.0325
11:01-12:00, Tue., 30 Sep. 0.0345 0.0305 0.0326
10:01-11:00, Tue., 30 Sep. 0.0351 0.0305 0.0327
09:01-10:00, Tue., 30 Sep. 0.0346 0.0307 0.0331
08:01-09:00, Tue., 30 Sep. 0.0351 0.0313 0.0334
07:01-08:00, Tue., 30 Sep. 0.0353 0.0313 0.0334
06:01-07:00, Tue., 30 Sep. 0.0349 0.0315 0.0332
05:01-06:00, Tue., 30 Sep. 0.0351 0.0315 0.0335
04:01-05:00, Tue., 30 Sep. 0.0351 0.0310 0.0331
03:01-04:00, Tue., 30 Sep. 0.0348 0.0304 0.0326
02:01-03:00, Tue., 30 Sep. 0.0344 0.0307 0.0325
01:01-02:00, Tue., 30 Sep. 0.0342 0.0301 0.0322
00:01-01:00, Tue., 30 Sep. 0.0338 0.0299 0.0320
23:01-24:00, Mon., 29 Sep. 0.0333 0.0303 0.0317
22:01-23:00, Mon., 29 Sep. 0.0334 0.0304 0.0320
21:01-22:00, Mon., 29 Sep. 0.0341 0.0299 0.0318
20:01-21:00, Mon., 29 Sep. 0.0342 0.0301 0.0318
19:01-20:00, Mon., 29 Sep. 0.0339 0.0304 0.0320
18:01-19:00, Mon., 29 Sep. 0.0340 0.0305 0.0322
17:01-18:00, Mon., 29 Sep. 0.0343 0.0301 0.0323
16:01-17:00, Mon., 29 Sep. 0.0350 0.0303 0.0323
15:01-16:00, Mon., 29 Sep. 0.0345 0.0304 0.0324
14:01-15:00, Mon., 29 Sep. 0.0353 0.0303 0.0321
13:01-14:00, Mon., 29 Sep. 0.0347 0.0302 0.0321
12:01-13:00, Mon., 29 Sep. 0.0335 0.0288 0.0321
11:01-12:00, Mon., 29 Sep. 0.0345 0.0308 0.0323
10:01-11:00, Mon., 29 Sep. 0.0344 0.0304 0.0322
09:01-10:00, Mon., 29 Sep. 0.0345 0.0312 0.0328
08:01-09:00, Mon., 29 Sep. 0.0347 0.0312 0.0327
07:01-08:00, Mon., 29 Sep. 0.0350 0.0310 0.0331
06:01-07:00, Mon., 29 Sep. 0.0356 0.0313 0.0331
05:01-06:00, Mon., 29 Sep. 0.0354 0.0310 0.0331
04:01-05:00, Mon., 29 Sep. 0.0345 0.0298 0.0327
03:01-04:00, Mon., 29 Sep. 0.0350 0.0305 0.0327
02:01-03:00, Mon., 29 Sep. 0.0342 0.0305 0.0327
01:01-02:00, Mon., 29 Sep. 0.0340 0.0304 0.0324
00:01-01:00, Mon., 29 Sep. 0.0347 0.0305 0.0325