Measurement results by the hour (Hachioji) 25 Feb., 2013 - 3 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., 03 Mar. 0.0396 0.0352 0.0369
22:01-23:00, Sun., 03 Mar. 0.0403 0.0351 0.0374
21:01-22:00, Sun., 03 Mar. 0.0399 0.0352 0.0376
20:01-21:00, Sun., 03 Mar. 0.0396 0.0345 0.0369
19:01-20:00, Sun., 03 Mar. 0.0401 0.0353 0.0371
18:01-19:00, Sun., 03 Mar. 0.0396 0.0349 0.0369
17:01-18:00, Sun., 03 Mar. 0.0392 0.0351 0.0368
16:01-17:00, Sun., 03 Mar. 0.0396 0.0349 0.0370
15:01-16:00, Sun., 03 Mar. 0.0419 0.0347 0.0371
14:01-15:00, Sun., 03 Mar. 0.0400 0.0351 0.0369
13:01-14:00, Sun., 03 Mar. 0.0403 0.0348 0.0369
12:01-13:00, Sun., 03 Mar. 0.0391 0.0348 0.0368
11:01-12:00, Sun., 03 Mar. 0.0419 0.0341 0.0369
10:01-11:00, Sun., 03 Mar. 0.0404 0.0348 0.0370
09:01-10:00, Sun., 03 Mar. 0.0398 0.0351 0.0367
08:01-09:00, Sun., 03 Mar. 0.0396 0.0346 0.0368
07:01-08:00, Sun., 03 Mar. 0.0407 0.0355 0.0375
06:01-07:00, Sun., 03 Mar. 0.0413 0.0353 0.0374
05:01-06:00, Sun., 03 Mar. 0.0404 0.0350 0.0373
04:01-05:00, Sun., 03 Mar. 0.0410 0.0356 0.0378
03:01-04:00, Sun., 03 Mar. 0.0392 0.0352 0.0370
02:01-03:00, Sun., 03 Mar. 0.0407 0.0358 0.0374
01:01-02:00, Sun., 03 Mar. 0.0394 0.0351 0.0372
00:01-01:00, Sun., 03 Mar. 0.0407 0.0355 0.0376
23:01-24:00, Sat., 02 Mar. 0.0408 0.0352 0.0373
22:01-23:00, Sat., 02 Mar. 0.0411 0.0348 0.0374
21:01-22:00, Sat., 02 Mar. 0.0410 0.0352 0.0374
20:01-21:00, Sat., 02 Mar. 0.0399 0.0342 0.0372
19:01-20:00, Sat., 02 Mar. 0.0412 0.0353 0.0375
18:01-19:00, Sat., 02 Mar. 0.0413 0.0359 0.0379
17:01-18:00, Sat., 02 Mar. 0.0402 0.0355 0.0372
16:01-17:00, Sat., 02 Mar. 0.0413 0.0357 0.0374
15:01-16:00, Sat., 02 Mar. 0.0428 0.0354 0.0375
14:01-15:00, Sat., 02 Mar. 0.0415 0.0350 0.0374
13:01-14:00, Sat., 02 Mar. 0.0393 0.0355 0.0372
12:01-13:00, Sat., 02 Mar. 0.0418 0.0349 0.0376
11:01-12:00, Sat., 02 Mar. 0.0405 0.0349 0.0374
10:01-11:00, Sat., 02 Mar. 0.0407 0.0351 0.0374
09:01-10:00, Sat., 02 Mar. 0.0413 0.0341 0.0372
08:01-09:00, Sat., 02 Mar. 0.0400 0.0351 0.0370
07:01-08:00, Sat., 02 Mar. 0.0396 0.0352 0.0367
06:01-07:00, Sat., 02 Mar. 0.0402 0.0351 0.0369
05:01-06:00, Sat., 02 Mar. 0.0396 0.0349 0.0368
04:01-05:00, Sat., 02 Mar. 0.0395 0.0348 0.0367
03:01-04:00, Sat., 02 Mar. 0.0418 0.0349 0.0369
02:01-03:00, Sat., 02 Mar. 0.0400 0.0351 0.0367
01:01-02:00, Sat., 02 Mar. 0.0394 0.0348 0.0367
00:01-01:00, Sat., 02 Mar. 0.0436 0.0350 0.0377
23:01-24:00, Fri., 01 Mar. 0.0472 0.0364 0.0408
22:01-23:00, Fri., 01 Mar. 0.0554 0.0426 0.0495
21:01-22:00, Fri., 01 Mar. 0.0564 0.0471 0.0515
20:01-21:00, Fri., 01 Mar. 0.0502 0.0383 0.0446
19:01-20:00, Fri., 01 Mar. 0.0430 0.0355 0.0380
18:01-19:00, Fri., 01 Mar. 0.0400 0.0348 0.0369
17:01-18:00, Fri., 01 Mar. 0.0385 0.0339 0.0364
16:01-17:00, Fri., 01 Mar. 0.0409 0.0340 0.0363
15:01-16:00, Fri., 01 Mar. 0.0397 0.0347 0.0362
14:01-15:00, Fri., 01 Mar. 0.0388 0.0346 0.0363
13:01-14:00, Fri., 01 Mar. 0.0390 0.0340 0.0363
12:01-13:00, Fri., 01 Mar. 0.0398 0.0335 0.0363
11:01-12:00, Fri., 01 Mar. 0.0390 0.0345 0.0364
10:01-11:00, Fri., 01 Mar. 0.0403 0.0344 0.0363
09:01-10:00, Fri., 01 Mar. 0.0394 0.0340 0.0362
08:01-09:00, Fri., 01 Mar. 0.0387 0.0348 0.0365
07:01-08:00, Fri., 01 Mar. 0.0418 0.0355 0.0373
06:01-07:00, Fri., 01 Mar. 0.0413 0.0354 0.0379
05:01-06:00, Fri., 01 Mar. 0.0426 0.0353 0.0376
04:01-05:00, Fri., 01 Mar. 0.0406 0.0352 0.0375
03:01-04:00, Fri., 01 Mar. 0.0421 0.0349 0.0378
02:01-03:00, Fri., 01 Mar. 0.0409 0.0352 0.0374
01:01-02:00, Fri., 01 Mar. 0.0407 0.0352 0.0375
00:01-01:00, Fri., 01 Mar. 0.0395 0.0347 0.0366
23:01-24:00, Thu., 28 Feb. 0.0408 0.0347 0.0372
22:01-23:00, Thu., 28 Feb. 0.0406 0.0353 0.0368
21:01-22:00, Thu., 28 Feb. 0.0398 0.0336 0.0369
20:01-21:00, Thu., 28 Feb. 0.0394 0.0340 0.0369
19:01-20:00, Thu., 28 Feb. 0.0414 0.0341 0.0367
18:01-19:00, Thu., 28 Feb. 0.0397 0.0348 0.0365
17:01-18:00, Thu., 28 Feb. 0.0388 0.0337 0.0364
16:01-17:00, Thu., 28 Feb. 0.0386 0.0338 0.0364
15:01-16:00, Thu., 28 Feb. 0.0398 0.0349 0.0365
14:01-15:00, Thu., 28 Feb. 0.0389 0.0341 0.0364
13:01-14:00, Thu., 28 Feb. 0.0397 0.0343 0.0367
12:01-13:00, Thu., 28 Feb. 0.0400 0.0344 0.0368
11:01-12:00, Thu., 28 Feb. 0.0392 0.0340 0.0369
10:01-11:00, Thu., 28 Feb. 0.0395 0.0351 0.0370
09:01-10:00, Thu., 28 Feb. 0.0412 0.0356 0.0374
08:01-09:00, Thu., 28 Feb. 0.0408 0.0354 0.0375
07:01-08:00, Thu., 28 Feb. 0.0422 0.0357 0.0380
06:01-07:00, Thu., 28 Feb. 0.0407 0.0357 0.0376
05:01-06:00, Thu., 28 Feb. 0.0407 0.0355 0.0377
04:01-05:00, Thu., 28 Feb. 0.0408 0.0360 0.0375
03:01-04:00, Thu., 28 Feb. 0.0408 0.0352 0.0378
02:01-03:00, Thu., 28 Feb. 0.0409 0.0356 0.0378
01:01-02:00, Thu., 28 Feb. 0.0409 0.0356 0.0377
00:01-01:00, Thu., 28 Feb. 0.0411 0.0359 0.0379
23:01-24:00, Wed., 27 Feb. 0.0412 0.0348 0.0373
22:01-23:00, Wed., 27 Feb. 0.0400 0.0353 0.0370
21:01-22:00, Wed., 27 Feb. 0.0393 0.0348 0.0369
20:01-21:00, Wed., 27 Feb. 0.0401 0.0344 0.0365
19:01-20:00, Wed., 27 Feb. 0.0399 0.0350 0.0367
18:01-19:00, Wed., 27 Feb. 0.0398 0.0346 0.0365
17:01-18:00, Wed., 27 Feb. 0.0399 0.0339 0.0366
16:01-17:00, Wed., 27 Feb. 0.0394 0.0339 0.0366
15:01-16:00, Wed., 27 Feb. 0.0383 0.0347 0.0364
14:01-15:00, Wed., 27 Feb. 0.0393 0.0344 0.0366
13:01-14:00, Wed., 27 Feb. 0.0384 0.0354 0.0366
12:01-13:00, Wed., 27 Feb. 0.0387 0.0348 0.0364
11:01-12:00, Wed., 27 Feb. 0.0392 0.0353 0.0366
10:01-11:00, Wed., 27 Feb. 0.0395 0.0350 0.0368
09:01-10:00, Wed., 27 Feb. 0.0397 0.0356 0.0373
08:01-09:00, Wed., 27 Feb. 0.0414 0.0357 0.0377
07:01-08:00, Wed., 27 Feb. 0.0416 0.0363 0.0388
06:01-07:00, Wed., 27 Feb. 0.0440 0.0370 0.0403
05:01-06:00, Wed., 27 Feb. 0.0452 0.0387 0.0413
04:01-05:00, Wed., 27 Feb. 0.0459 0.0370 0.0408
03:01-04:00, Wed., 27 Feb. 0.0419 0.0359 0.0383
02:01-03:00, Wed., 27 Feb. 0.0422 0.0357 0.0378
01:01-02:00, Wed., 27 Feb. 0.0408 0.0357 0.0380
00:01-01:00, Wed., 27 Feb. 0.0414 0.0359 0.0380
23:01-24:00, Tue., 26 Feb. 0.0396 0.0356 0.0377
22:01-23:00, Tue., 26 Feb. 0.0398 0.0349 0.0373
21:01-22:00, Tue., 26 Feb. 0.0393 0.0340 0.0366
20:01-21:00, Tue., 26 Feb. 0.0392 0.0347 0.0366
19:01-20:00, Tue., 26 Feb. 0.0392 0.0349 0.0365
18:01-19:00, Tue., 26 Feb. 0.0394 0.0346 0.0365
17:01-18:00, Tue., 26 Feb. 0.0392 0.0343 0.0364
16:01-17:00, Tue., 26 Feb. 0.0400 0.0346 0.0366
15:01-16:00, Tue., 26 Feb. 0.0394 0.0352 0.0367
14:01-15:00, Tue., 26 Feb. 0.0390 0.0349 0.0366
13:01-14:00, Tue., 26 Feb. 0.0389 0.0353 0.0366
12:01-13:00, Tue., 26 Feb. 0.0406 0.0348 0.0368
11:01-12:00, Tue., 26 Feb. 0.0395 0.0342 0.0367
10:01-11:00, Tue., 26 Feb. 0.0387 0.0350 0.0365
09:01-10:00, Tue., 26 Feb. 0.0405 0.0346 0.0377
08:01-09:00, Tue., 26 Feb. 0.0417 0.0361 0.0386
07:01-08:00, Tue., 26 Feb. 0.0429 0.0354 0.0389
06:01-07:00, Tue., 26 Feb. 0.0419 0.0360 0.0386
05:01-06:00, Tue., 26 Feb. 0.0424 0.0355 0.0383
04:01-05:00, Tue., 26 Feb. 0.0415 0.0352 0.0375
03:01-04:00, Tue., 26 Feb. 0.0403 0.0344 0.0375
02:01-03:00, Tue., 26 Feb. 0.0394 0.0343 0.0373
01:01-02:00, Tue., 26 Feb. 0.0412 0.0347 0.0373
00:01-01:00, Tue., 26 Feb. 0.0421 0.0356 0.0375
23:01-24:00, Mon., 25 Feb. 0.0403 0.0343 0.0372
22:01-23:00, Mon., 25 Feb. 0.0403 0.0345 0.0365
21:01-22:00, Mon., 25 Feb. 0.0403 0.0343 0.0364
20:01-21:00, Mon., 25 Feb. 0.0387 0.0335 0.0364
19:01-20:00, Mon., 25 Feb. 0.0401 0.0347 0.0364
18:01-19:00, Mon., 25 Feb. 0.0397 0.0342 0.0362
17:01-18:00, Mon., 25 Feb. 0.0392 0.0337 0.0362
16:01-17:00, Mon., 25 Feb. 0.0385 0.0340 0.0364
15:01-16:00, Mon., 25 Feb. 0.0389 0.0345 0.0367
14:01-15:00, Mon., 25 Feb. 0.0400 0.0350 0.0369
13:01-14:00, Mon., 25 Feb. 0.0397 0.0345 0.0367
12:01-13:00, Mon., 25 Feb. 0.0403 0.0343 0.0367
11:01-12:00, Mon., 25 Feb. 0.0399 0.0344 0.0366
10:01-11:00, Mon., 25 Feb. 0.0405 0.0346 0.0367
09:01-10:00, Mon., 25 Feb. 0.0391 0.0347 0.0368
08:01-09:00, Mon., 25 Feb. 0.0399 0.0343 0.0369
07:01-08:00, Mon., 25 Feb. 0.0398 0.0356 0.0371
06:01-07:00, Mon., 25 Feb. 0.0401 0.0342 0.0364
05:01-06:00, Mon., 25 Feb. 0.0390 0.0340 0.0363
04:01-05:00, Mon., 25 Feb. 0.0396 0.0348 0.0366
03:01-04:00, Mon., 25 Feb. 0.0397 0.0347 0.0366
02:01-03:00, Mon., 25 Feb. 0.0388 0.0342 0.0364
01:01-02:00, Mon., 25 Feb. 0.0388 0.0347 0.0366
00:01-01:00, Mon., 25 Feb. 0.0395 0.0350 0.0366