Measurement results by the hour (Koto) 18 Feb., 2019 - 24 Feb., 2019

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., 24 Feb. 0.0375 0.0328 0.0349
22:01-23:00, Sun., 24 Feb. 0.0371 0.0334 0.0351
21:01-22:00, Sun., 24 Feb. 0.0373 0.0332 0.0348
20:01-21:00, Sun., 24 Feb. 0.0364 0.0322 0.0346
19:01-20:00, Sun., 24 Feb. 0.0372 0.0323 0.0350
18:01-19:00, Sun., 24 Feb. 0.0368 0.0328 0.0347
17:01-18:00, Sun., 24 Feb. 0.0367 0.0327 0.0348
16:01-17:00, Sun., 24 Feb. 0.0371 0.0329 0.0350
15:01-16:00, Sun., 24 Feb. 0.0368 0.0329 0.0348
14:01-15:00, Sun., 24 Feb. 0.0363 0.0332 0.0350
13:01-14:00, Sun., 24 Feb. 0.0369 0.0318 0.0347
12:01-13:00, Sun., 24 Feb. 0.0374 0.0331 0.0350
11:01-12:00, Sun., 24 Feb. 0.0372 0.0331 0.0350
10:01-11:00, Sun., 24 Feb. 0.0374 0.0333 0.0350
09:01-10:00, Sun., 24 Feb. 0.0370 0.0324 0.0349
08:01-09:00, Sun., 24 Feb. 0.0374 0.0331 0.0348
07:01-08:00, Sun., 24 Feb. 0.0374 0.0330 0.0350
06:01-07:00, Sun., 24 Feb. 0.0379 0.0335 0.0349
05:01-06:00, Sun., 24 Feb. 0.0376 0.0332 0.0351
04:01-05:00, Sun., 24 Feb. 0.0373 0.0332 0.0348
03:01-04:00, Sun., 24 Feb. 0.0372 0.0322 0.0349
02:01-03:00, Sun., 24 Feb. 0.0384 0.0330 0.0349
01:01-02:00, Sun., 24 Feb. 0.0372 0.0324 0.0348
00:01-01:00, Sun., 24 Feb. 0.0373 0.0329 0.0350
23:01-24:00, Sat., 23 Feb. 0.0367 0.0324 0.0348
22:01-23:00, Sat., 23 Feb. 0.0367 0.0330 0.0350
21:01-22:00, Sat., 23 Feb. 0.0374 0.0329 0.0350
20:01-21:00, Sat., 23 Feb. 0.0367 0.0333 0.0350
19:01-20:00, Sat., 23 Feb. 0.0375 0.0329 0.0348
18:01-19:00, Sat., 23 Feb. 0.0371 0.0328 0.0349
17:01-18:00, Sat., 23 Feb. 0.0369 0.0329 0.0349
16:01-17:00, Sat., 23 Feb. 0.0368 0.0334 0.0347
15:01-16:00, Sat., 23 Feb. 0.0365 0.0328 0.0349
14:01-15:00, Sat., 23 Feb. 0.0370 0.0328 0.0347
13:01-14:00, Sat., 23 Feb. 0.0370 0.0337 0.0352
12:01-13:00, Sat., 23 Feb. 0.0369 0.0329 0.0346
11:01-12:00, Sat., 23 Feb. 0.0366 0.0326 0.0347
10:01-11:00, Sat., 23 Feb. 0.0370 0.0329 0.0348
09:01-10:00, Sat., 23 Feb. 0.0368 0.0324 0.0347
08:01-09:00, Sat., 23 Feb. 0.0373 0.0326 0.0349
07:01-08:00, Sat., 23 Feb. 0.0366 0.0327 0.0350
06:01-07:00, Sat., 23 Feb. 0.0375 0.0324 0.0351
05:01-06:00, Sat., 23 Feb. 0.0367 0.0330 0.0348
04:01-05:00, Sat., 23 Feb. 0.0376 0.0325 0.0349
03:01-04:00, Sat., 23 Feb. 0.0367 0.0330 0.0348
02:01-03:00, Sat., 23 Feb. 0.0364 0.0330 0.0349
01:01-02:00, Sat., 23 Feb. 0.0375 0.0331 0.0346
00:01-01:00, Sat., 23 Feb. 0.0367 0.0328 0.0346
23:01-24:00, Fri., 22 Feb. 0.0368 0.0324 0.0343
22:01-23:00, Fri., 22 Feb. 0.0368 0.0329 0.0347
21:01-22:00, Fri., 22 Feb. 0.0369 0.0331 0.0347
20:01-21:00, Fri., 22 Feb. 0.0362 0.0325 0.0346
19:01-20:00, Fri., 22 Feb. 0.0375 0.0327 0.0348
18:01-19:00, Fri., 22 Feb. 0.0373 0.0325 0.0346
17:01-18:00, Fri., 22 Feb. 0.0369 0.0325 0.0348
16:01-17:00, Fri., 22 Feb. 0.0370 0.0321 0.0347
15:01-16:00, Fri., 22 Feb. 0.0367 0.0328 0.0346
14:01-15:00, Fri., 22 Feb. 0.0366 0.0328 0.0347
13:01-14:00, Fri., 22 Feb. 0.0367 0.0325 0.0346
12:01-13:00, Fri., 22 Feb. 0.0369 0.0327 0.0347
11:01-12:00, Fri., 22 Feb. 0.0368 0.0327 0.0347
10:01-11:00, Fri., 22 Feb. 0.0372 0.0325 0.0345
09:01-10:00, Fri., 22 Feb. 0.0365 0.0326 0.0348
08:01-09:00, Fri., 22 Feb. 0.0366 0.0329 0.0347
07:01-08:00, Fri., 22 Feb. 0.0369 0.0327 0.0350
06:01-07:00, Fri., 22 Feb. 0.0375 0.0332 0.0351
05:01-06:00, Fri., 22 Feb. 0.0376 0.0325 0.0347
04:01-05:00, Fri., 22 Feb. 0.0367 0.0318 0.0349
03:01-04:00, Fri., 22 Feb. 0.0363 0.0321 0.0346
02:01-03:00, Fri., 22 Feb. 0.0367 0.0325 0.0348
01:01-02:00, Fri., 22 Feb. 0.0369 0.0323 0.0346
00:01-01:00, Fri., 22 Feb. 0.0365 0.0329 0.0344
23:01-24:00, Thu., 21 Feb. 0.0362 0.0322 0.0346
22:01-23:00, Thu., 21 Feb. 0.0370 0.0329 0.0347
21:01-22:00, Thu., 21 Feb. 0.0367 0.0324 0.0345
20:01-21:00, Thu., 21 Feb. 0.0361 0.0322 0.0345
19:01-20:00, Thu., 21 Feb. 0.0374 0.0328 0.0349
18:01-19:00, Thu., 21 Feb. 0.0365 0.0322 0.0346
17:01-18:00, Thu., 21 Feb. 0.0367 0.0324 0.0346
16:01-17:00, Thu., 21 Feb. 0.0364 0.0322 0.0346
15:01-16:00, Thu., 21 Feb. 0.0369 0.0326 0.0345
14:01-15:00, Thu., 21 Feb. 0.0363 0.0328 0.0346
13:01-14:00, Thu., 21 Feb. 0.0369 0.0316 0.0345
12:01-13:00, Thu., 21 Feb. 0.0367 0.0326 0.0345
11:01-12:00, Thu., 21 Feb. 0.0373 0.0329 0.0347
10:01-11:00, Thu., 21 Feb. 0.0371 0.0326 0.0343
09:01-10:00, Thu., 21 Feb. 0.0367 0.0325 0.0343
08:01-09:00, Thu., 21 Feb. 0.0369 0.0325 0.0343
07:01-08:00, Thu., 21 Feb. 0.0373 0.0322 0.0346
06:01-07:00, Thu., 21 Feb. 0.0372 0.0327 0.0347
05:01-06:00, Thu., 21 Feb. 0.0372 0.0325 0.0349
04:01-05:00, Thu., 21 Feb. 0.0366 0.0322 0.0344
03:01-04:00, Thu., 21 Feb. 0.0382 0.0334 0.0350
02:01-03:00, Thu., 21 Feb. 0.0376 0.0326 0.0347
01:01-02:00, Thu., 21 Feb. 0.0377 0.0326 0.0352
00:01-01:00, Thu., 21 Feb. 0.0399 0.0339 0.0366
23:01-24:00, Wed., 20 Feb. 0.0438 0.0365 0.0401
22:01-23:00, Wed., 20 Feb. 0.0441 0.0367 0.0393
21:01-22:00, Wed., 20 Feb. 0.0414 0.0316 0.0381
20:01-21:00, Wed., 20 Feb. 0.0364 0.0329 0.0347
19:01-20:00, Wed., 20 Feb. 0.0374 0.0333 0.0347
18:01-19:00, Wed., 20 Feb. 0.0369 0.0324 0.0345
17:01-18:00, Wed., 20 Feb. 0.0363 0.0326 0.0347
16:01-17:00, Wed., 20 Feb. 0.0374 0.0326 0.0346
15:01-16:00, Wed., 20 Feb. 0.0371 0.0324 0.0349
14:01-15:00, Wed., 20 Feb. 0.0365 0.0325 0.0344
13:01-14:00, Wed., 20 Feb. 0.0369 0.0329 0.0348
12:01-13:00, Wed., 20 Feb. 0.0375 0.0325 0.0348
11:01-12:00, Wed., 20 Feb. 0.0372 0.0329 0.0348
10:01-11:00, Wed., 20 Feb. 0.0377 0.0327 0.0352
09:01-10:00, Wed., 20 Feb. 0.0370 0.0326 0.0349
08:01-09:00, Wed., 20 Feb. 0.0377 0.0327 0.0349
07:01-08:00, Wed., 20 Feb. 0.0369 0.0328 0.0349
06:01-07:00, Wed., 20 Feb. 0.0372 0.0328 0.0350
05:01-06:00, Wed., 20 Feb. 0.0376 0.0332 0.0349
04:01-05:00, Wed., 20 Feb. 0.0371 0.0329 0.0348
03:01-04:00, Wed., 20 Feb. 0.0367 0.0323 0.0349
02:01-03:00, Wed., 20 Feb. 0.0372 0.0322 0.0349
01:01-02:00, Wed., 20 Feb. 0.0376 0.0330 0.0347
00:01-01:00, Wed., 20 Feb. 0.0367 0.0327 0.0347
23:01-24:00, Tue., 19 Feb. 0.0371 0.0320 0.0345
22:01-23:00, Tue., 19 Feb. 0.0369 0.0329 0.0348
21:01-22:00, Tue., 19 Feb. 0.0373 0.0324 0.0351
20:01-21:00, Tue., 19 Feb. 0.0394 0.0345 0.0367
19:01-20:00, Tue., 19 Feb. 0.0413 0.0363 0.0389
18:01-19:00, Tue., 19 Feb. 0.0380 0.0328 0.0352
17:01-18:00, Tue., 19 Feb. 0.0370 0.0331 0.0347
16:01-17:00, Tue., 19 Feb. 0.0383 0.0332 0.0350
15:01-16:00, Tue., 19 Feb. 0.0374 0.0325 0.0349
14:01-15:00, Tue., 19 Feb. 0.0385 0.0336 0.0358
13:01-14:00, Tue., 19 Feb. 0.0386 0.0339 0.0359
12:01-13:00, Tue., 19 Feb. 0.0378 0.0334 0.0359
11:01-12:00, Tue., 19 Feb. 0.0375 0.0328 0.0353
10:01-11:00, Tue., 19 Feb. 0.0386 0.0332 0.0352
09:01-10:00, Tue., 19 Feb. 0.0369 0.0328 0.0351
08:01-09:00, Tue., 19 Feb. 0.0369 0.0329 0.0348
07:01-08:00, Tue., 19 Feb. 0.0372 0.0330 0.0350
06:01-07:00, Tue., 19 Feb. 0.0365 0.0325 0.0348
05:01-06:00, Tue., 19 Feb. 0.0377 0.0334 0.0351
04:01-05:00, Tue., 19 Feb. 0.0373 0.0331 0.0351
03:01-04:00, Tue., 19 Feb. 0.0379 0.0324 0.0348
02:01-03:00, Tue., 19 Feb. 0.0368 0.0317 0.0347
01:01-02:00, Tue., 19 Feb. 0.0370 0.0324 0.0346
00:01-01:00, Tue., 19 Feb. 0.0372 0.0331 0.0346
23:01-24:00, Mon., 18 Feb. 0.0369 0.0325 0.0345
22:01-23:00, Mon., 18 Feb. 0.0361 0.0320 0.0345
21:01-22:00, Mon., 18 Feb. 0.0366 0.0327 0.0347
20:01-21:00, Mon., 18 Feb. 0.0361 0.0323 0.0345
19:01-20:00, Mon., 18 Feb. 0.0373 0.0322 0.0344
18:01-19:00, Mon., 18 Feb. 0.0376 0.0326 0.0346
17:01-18:00, Mon., 18 Feb. 0.0373 0.0331 0.0347
16:01-17:00, Mon., 18 Feb. 0.0369 0.0329 0.0347
15:01-16:00, Mon., 18 Feb. 0.0364 0.0331 0.0347
14:01-15:00, Mon., 18 Feb. 0.0364 0.0325 0.0345
13:01-14:00, Mon., 18 Feb. 0.0369 0.0325 0.0347
12:01-13:00, Mon., 18 Feb. 0.0368 0.0328 0.0347
11:01-12:00, Mon., 18 Feb. 0.0361 0.0327 0.0344
10:01-11:00, Mon., 18 Feb. 0.0379 0.0330 0.0349
09:01-10:00, Mon., 18 Feb. 0.0366 0.0322 0.0347
08:01-09:00, Mon., 18 Feb. 0.0369 0.0330 0.0350
07:01-08:00, Mon., 18 Feb. 0.0374 0.0329 0.0347
06:01-07:00, Mon., 18 Feb. 0.0372 0.0325 0.0346
05:01-06:00, Mon., 18 Feb. 0.0373 0.0330 0.0350
04:01-05:00, Mon., 18 Feb. 0.0368 0.0316 0.0346
03:01-04:00, Mon., 18 Feb. 0.0367 0.0330 0.0347
02:01-03:00, Mon., 18 Feb. 0.0378 0.0326 0.0348
01:01-02:00, Mon., 18 Feb. 0.0376 0.0327 0.0348
00:01-01:00, Mon., 18 Feb. 0.0368 0.0321 0.0345