Measurement results by the hour (Koto) 31 Dec., 2012 - 6 Jan., 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., 06 Jan. 0.0443 0.0405 0.0424
22:01-23:00, Sun., 06 Jan. 0.0456 0.0394 0.0424
21:01-22:00, Sun., 06 Jan. 0.0444 0.0404 0.0423
20:01-21:00, Sun., 06 Jan. 0.0451 0.0402 0.0426
19:01-20:00, Sun., 06 Jan. 0.0460 0.0391 0.0424
18:01-19:00, Sun., 06 Jan. 0.0453 0.0400 0.0423
17:01-18:00, Sun., 06 Jan. 0.0453 0.0396 0.0421
16:01-17:00, Sun., 06 Jan. 0.0454 0.0401 0.0423
15:01-16:00, Sun., 06 Jan. 0.0449 0.0388 0.0426
14:01-15:00, Sun., 06 Jan. 0.0466 0.0392 0.0428
13:01-14:00, Sun., 06 Jan. 0.0449 0.0403 0.0424
12:01-13:00, Sun., 06 Jan. 0.0451 0.0405 0.0426
11:01-12:00, Sun., 06 Jan. 0.0460 0.0401 0.0428
10:01-11:00, Sun., 06 Jan. 0.0455 0.0406 0.0430
09:01-10:00, Sun., 06 Jan. 0.0456 0.0405 0.0428
08:01-09:00, Sun., 06 Jan. 0.0455 0.0403 0.0430
07:01-08:00, Sun., 06 Jan. 0.0464 0.0398 0.0430
06:01-07:00, Sun., 06 Jan. 0.0452 0.0406 0.0432
05:01-06:00, Sun., 06 Jan. 0.0455 0.0404 0.0426
04:01-05:00, Sun., 06 Jan. 0.0451 0.0396 0.0424
03:01-04:00, Sun., 06 Jan. 0.0449 0.0402 0.0424
02:01-03:00, Sun., 06 Jan. 0.0446 0.0401 0.0425
01:01-02:00, Sun., 06 Jan. 0.0452 0.0406 0.0426
00:01-01:00, Sun., 06 Jan. 0.0467 0.0384 0.0424
23:01-24:00, Sat., 05 Jan. 0.0455 0.0394 0.0425
22:01-23:00, Sat., 05 Jan. 0.0453 0.0401 0.0422
21:01-22:00, Sat., 05 Jan. 0.0450 0.0394 0.0425
20:01-21:00, Sat., 05 Jan. 0.0455 0.0400 0.0425
19:01-20:00, Sat., 05 Jan. 0.0464 0.0403 0.0427
18:01-19:00, Sat., 05 Jan. 0.0452 0.0400 0.0423
17:01-18:00, Sat., 05 Jan. 0.0448 0.0393 0.0424
16:01-17:00, Sat., 05 Jan. 0.0447 0.0407 0.0424
15:01-16:00, Sat., 05 Jan. 0.0444 0.0405 0.0424
14:01-15:00, Sat., 05 Jan. 0.0446 0.0399 0.0425
13:01-14:00, Sat., 05 Jan. 0.0444 0.0402 0.0420
12:01-13:00, Sat., 05 Jan. 0.0445 0.0399 0.0423
11:01-12:00, Sat., 05 Jan. 0.0452 0.0398 0.0425
10:01-11:00, Sat., 05 Jan. 0.0451 0.0405 0.0426
09:01-10:00, Sat., 05 Jan. 0.0451 0.0408 0.0425
08:01-09:00, Sat., 05 Jan. 0.0440 0.0400 0.0423
07:01-08:00, Sat., 05 Jan. 0.0456 0.0402 0.0426
06:01-07:00, Sat., 05 Jan. 0.0452 0.0404 0.0427
05:01-06:00, Sat., 05 Jan. 0.0453 0.0396 0.0422
04:01-05:00, Sat., 05 Jan. 0.0446 0.0384 0.0424
03:01-04:00, Sat., 05 Jan. 0.0450 0.0394 0.0421
02:01-03:00, Sat., 05 Jan. 0.0450 0.0397 0.0424
01:01-02:00, Sat., 05 Jan. 0.0445 0.0405 0.0421
00:01-01:00, Sat., 05 Jan. 0.0446 0.0392 0.0422
23:01-24:00, Fri., 04 Jan. 0.0447 0.0398 0.0422
22:01-23:00, Fri., 04 Jan. 0.0452 0.0403 0.0425
21:01-22:00, Fri., 04 Jan. 0.0450 0.0399 0.0425
20:01-21:00, Fri., 04 Jan. 0.0456 0.0389 0.0423
19:01-20:00, Fri., 04 Jan. 0.0451 0.0394 0.0424
18:01-19:00, Fri., 04 Jan. 0.0452 0.0389 0.0422
17:01-18:00, Fri., 04 Jan. 0.0458 0.0387 0.0421
16:01-17:00, Fri., 04 Jan. 0.0451 0.0392 0.0422
15:01-16:00, Fri., 04 Jan. 0.0452 0.0400 0.0424
14:01-15:00, Fri., 04 Jan. 0.0457 0.0395 0.0423
13:01-14:00, Fri., 04 Jan. 0.0447 0.0393 0.0425
12:01-13:00, Fri., 04 Jan. 0.0452 0.0401 0.0424
11:01-12:00, Fri., 04 Jan. 0.0446 0.0400 0.0424
10:01-11:00, Fri., 04 Jan. 0.0462 0.0405 0.0425
09:01-10:00, Fri., 04 Jan. 0.0450 0.0402 0.0425
08:01-09:00, Fri., 04 Jan. 0.0450 0.0402 0.0424
07:01-08:00, Fri., 04 Jan. 0.0447 0.0397 0.0424
06:01-07:00, Fri., 04 Jan. 0.0453 0.0396 0.0426
05:01-06:00, Fri., 04 Jan. 0.0451 0.0404 0.0425
04:01-05:00, Fri., 04 Jan. 0.0449 0.0398 0.0429
03:01-04:00, Fri., 04 Jan. 0.0475 0.0403 0.0426
02:01-03:00, Fri., 04 Jan. 0.0445 0.0405 0.0425
01:01-02:00, Fri., 04 Jan. 0.0459 0.0394 0.0424
00:01-01:00, Fri., 04 Jan. 0.0456 0.0398 0.0426
23:01-24:00, Thu., 03 Jan. 0.0449 0.0400 0.0424
22:01-23:00, Thu., 03 Jan. 0.0446 0.0401 0.0426
21:01-22:00, Thu., 03 Jan. 0.0455 0.0404 0.0427
20:01-21:00, Thu., 03 Jan. 0.0456 0.0403 0.0426
19:01-20:00, Thu., 03 Jan. 0.0451 0.0399 0.0422
18:01-19:00, Thu., 03 Jan. 0.0456 0.0397 0.0423
17:01-18:00, Thu., 03 Jan. 0.0449 0.0399 0.0427
16:01-17:00, Thu., 03 Jan. 0.0451 0.0389 0.0425
15:01-16:00, Thu., 03 Jan. 0.0461 0.0404 0.0426
14:01-15:00, Thu., 03 Jan. 0.0453 0.0409 0.0426
13:01-14:00, Thu., 03 Jan. 0.0449 0.0401 0.0426
12:01-13:00, Thu., 03 Jan. 0.0459 0.0397 0.0429
11:01-12:00, Thu., 03 Jan. 0.0445 0.0399 0.0424
10:01-11:00, Thu., 03 Jan. 0.0444 0.0401 0.0424
09:01-10:00, Thu., 03 Jan. 0.0450 0.0394 0.0424
08:01-09:00, Thu., 03 Jan. 0.0449 0.0396 0.0421
07:01-08:00, Thu., 03 Jan. 0.0447 0.0404 0.0424
06:01-07:00, Thu., 03 Jan. 0.0463 0.0397 0.0426
05:01-06:00, Thu., 03 Jan. 0.0461 0.0401 0.0426
04:01-05:00, Thu., 03 Jan. 0.0453 0.0404 0.0427
03:01-04:00, Thu., 03 Jan. 0.0452 0.0390 0.0425
02:01-03:00, Thu., 03 Jan. 0.0453 0.0396 0.0423
01:01-02:00, Thu., 03 Jan. 0.0445 0.0400 0.0426
00:01-01:00, Thu., 03 Jan. 0.0465 0.0395 0.0427
23:01-24:00, Wed., 02 Jan. 0.0444 0.0400 0.0424
22:01-23:00, Wed., 02 Jan. 0.0454 0.0406 0.0428
21:01-22:00, Wed., 02 Jan. 0.0460 0.0400 0.0425
20:01-21:00, Wed., 02 Jan. 0.0464 0.0404 0.0425
19:01-20:00, Wed., 02 Jan. 0.0453 0.0409 0.0425
18:01-19:00, Wed., 02 Jan. 0.0449 0.0404 0.0426
17:01-18:00, Wed., 02 Jan. 0.0449 0.0396 0.0423
16:01-17:00, Wed., 02 Jan. 0.0460 0.0398 0.0428
15:01-16:00, Wed., 02 Jan. 0.0455 0.0399 0.0426
14:01-15:00, Wed., 02 Jan. 0.0448 0.0400 0.0427
13:01-14:00, Wed., 02 Jan. 0.0456 0.0402 0.0426
12:01-13:00, Wed., 02 Jan. 0.0453 0.0394 0.0424
11:01-12:00, Wed., 02 Jan. 0.0446 0.0398 0.0423
10:01-11:00, Wed., 02 Jan. 0.0444 0.0399 0.0424
09:01-10:00, Wed., 02 Jan. 0.0451 0.0407 0.0424
08:01-09:00, Wed., 02 Jan. 0.0441 0.0395 0.0421
07:01-08:00, Wed., 02 Jan. 0.0445 0.0395 0.0423
06:01-07:00, Wed., 02 Jan. 0.0452 0.0395 0.0423
05:01-06:00, Wed., 02 Jan. 0.0449 0.0400 0.0425
04:01-05:00, Wed., 02 Jan. 0.0446 0.0400 0.0425
03:01-04:00, Wed., 02 Jan. 0.0446 0.0397 0.0421
02:01-03:00, Wed., 02 Jan. 0.0449 0.0399 0.0421
01:01-02:00, Wed., 02 Jan. 0.0462 0.0398 0.0425
00:01-01:00, Wed., 02 Jan. 0.0461 0.0395 0.0425
23:01-24:00, Tue., 01 Jan. 0.0447 0.0391 0.0424
22:01-23:00, Tue., 01 Jan. 0.0455 0.0395 0.0422
21:01-22:00, Tue., 01 Jan. 0.0452 0.0401 0.0423
20:01-21:00, Tue., 01 Jan. 0.0464 0.0399 0.0421
19:01-20:00, Tue., 01 Jan. 0.0442 0.0391 0.0418
18:01-19:00, Tue., 01 Jan. 0.0447 0.0403 0.0424
17:01-18:00, Tue., 01 Jan. 0.0446 0.0392 0.0425
16:01-17:00, Tue., 01 Jan. 0.0454 0.0398 0.0420
15:01-16:00, Tue., 01 Jan. 0.0451 0.0399 0.0424
14:01-15:00, Tue., 01 Jan. 0.0448 0.0399 0.0421
13:01-14:00, Tue., 01 Jan. 0.0448 0.0395 0.0421
12:01-13:00, Tue., 01 Jan. 0.0451 0.0404 0.0422
11:01-12:00, Tue., 01 Jan. 0.0452 0.0394 0.0422
10:01-11:00, Tue., 01 Jan. 0.0451 0.0398 0.0424
09:01-10:00, Tue., 01 Jan. 0.0441 0.0394 0.0422
08:01-09:00, Tue., 01 Jan. 0.0455 0.0397 0.0426
07:01-08:00, Tue., 01 Jan. 0.0457 0.0398 0.0425
06:01-07:00, Tue., 01 Jan. 0.0449 0.0403 0.0423
05:01-06:00, Tue., 01 Jan. 0.0439 0.0394 0.0420
04:01-05:00, Tue., 01 Jan. 0.0445 0.0401 0.0423
03:01-04:00, Tue., 01 Jan. 0.0449 0.0398 0.0421
02:01-03:00, Tue., 01 Jan. 0.0453 0.0399 0.0423
01:01-02:00, Tue., 01 Jan. 0.0446 0.0395 0.0421
00:01-01:00, Tue., 01 Jan. 0.0450 0.0400 0.0422
23:01-24:00, Mon., 31 Dec. 0.0447 0.0396 0.0420
22:01-23:00, Mon., 31 Dec. 0.0451 0.0406 0.0423
21:01-22:00, Mon., 31 Dec. 0.0451 0.0396 0.0421
20:01-21:00, Mon., 31 Dec. 0.0444 0.0398 0.0420
19:01-20:00, Mon., 31 Dec. 0.0451 0.0390 0.0420
18:01-19:00, Mon., 31 Dec. 0.0455 0.0402 0.0424
17:01-18:00, Mon., 31 Dec. 0.0447 0.0400 0.0425
16:01-17:00, Mon., 31 Dec. 0.0460 0.0404 0.0429
15:01-16:00, Mon., 31 Dec. 0.0450 0.0400 0.0429
14:01-15:00, Mon., 31 Dec. 0.0457 0.0408 0.0430
13:01-14:00, Mon., 31 Dec. 0.0459 0.0397 0.0426
12:01-13:00, Mon., 31 Dec. 0.0456 0.0407 0.0427
11:01-12:00, Mon., 31 Dec. 0.0462 0.0408 0.0432
10:01-11:00, Mon., 31 Dec. 0.0461 0.0406 0.0432
09:01-10:00, Mon., 31 Dec. 0.0456 0.0404 0.0429
08:01-09:00, Mon., 31 Dec. 0.0462 0.0408 0.0432
07:01-08:00, Mon., 31 Dec. 0.0458 0.0406 0.0430
06:01-07:00, Mon., 31 Dec. 0.0458 0.0413 0.0433
05:01-06:00, Mon., 31 Dec. 0.0460 0.0407 0.0429
04:01-05:00, Mon., 31 Dec. 0.0452 0.0400 0.0428
03:01-04:00, Mon., 31 Dec. 0.0452 0.0403 0.0426
02:01-03:00, Mon., 31 Dec. 0.0448 0.0400 0.0425
01:01-02:00, Mon., 31 Dec. 0.0448 0.0392 0.0425
00:01-01:00, Mon., 31 Dec. 0.0450 0.0405 0.0422