Measurement results by the hour (Chofu) 21 Apr., 2014 - 27 Apr., 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., 27 Apr. 0.0351 0.0307 0.0325
22:01-23:00, Sun., 27 Apr. 0.0358 0.0308 0.0326
21:01-22:00, Sun., 27 Apr. 0.0353 0.0306 0.0325
20:01-21:00, Sun., 27 Apr. 0.0340 0.0299 0.0321
19:01-20:00, Sun., 27 Apr. 0.0340 0.0298 0.0320
18:01-19:00, Sun., 27 Apr. 0.0345 0.0307 0.0321
17:01-18:00, Sun., 27 Apr. 0.0347 0.0302 0.0321
16:01-17:00, Sun., 27 Apr. 0.0342 0.0300 0.0321
15:01-16:00, Sun., 27 Apr. 0.0342 0.0303 0.0322
14:01-15:00, Sun., 27 Apr. 0.0343 0.0300 0.0322
13:01-14:00, Sun., 27 Apr. 0.0350 0.0303 0.0324
12:01-13:00, Sun., 27 Apr. 0.0341 0.0302 0.0321
11:01-12:00, Sun., 27 Apr. 0.0341 0.0305 0.0322
10:01-11:00, Sun., 27 Apr. 0.0351 0.0310 0.0326
09:01-10:00, Sun., 27 Apr. 0.0344 0.0302 0.0326
08:01-09:00, Sun., 27 Apr. 0.0351 0.0318 0.0335
07:01-08:00, Sun., 27 Apr. 0.0360 0.0312 0.0339
06:01-07:00, Sun., 27 Apr. 0.0372 0.0329 0.0349
05:01-06:00, Sun., 27 Apr. 0.0361 0.0318 0.0340
04:01-05:00, Sun., 27 Apr. 0.0351 0.0316 0.0330
03:01-04:00, Sun., 27 Apr. 0.0348 0.0311 0.0326
02:01-03:00, Sun., 27 Apr. 0.0339 0.0308 0.0326
01:01-02:00, Sun., 27 Apr. 0.0349 0.0307 0.0326
00:01-01:00, Sun., 27 Apr. 0.0344 0.0307 0.0325
23:01-24:00, Sat., 26 Apr. 0.0335 0.0300 0.0322
22:01-23:00, Sat., 26 Apr. 0.0341 0.0303 0.0323
21:01-22:00, Sat., 26 Apr. 0.0338 0.0299 0.0321
20:01-21:00, Sat., 26 Apr. 0.0342 0.0296 0.0323
19:01-20:00, Sat., 26 Apr. 0.0343 0.0304 0.0324
18:01-19:00, Sat., 26 Apr. 0.0338 0.0297 0.0320
17:01-18:00, Sat., 26 Apr. 0.0344 0.0304 0.0321
16:01-17:00, Sat., 26 Apr. 0.0341 0.0306 0.0322
15:01-16:00, Sat., 26 Apr. 0.0342 0.0299 0.0320
14:01-15:00, Sat., 26 Apr. 0.0344 0.0300 0.0321
13:01-14:00, Sat., 26 Apr. 0.0346 0.0302 0.0323
12:01-13:00, Sat., 26 Apr. 0.0354 0.0310 0.0326
11:01-12:00, Sat., 26 Apr. 0.0346 0.0303 0.0326
10:01-11:00, Sat., 26 Apr. 0.0355 0.0305 0.0330
09:01-10:00, Sat., 26 Apr. 0.0350 0.0319 0.0334
08:01-09:00, Sat., 26 Apr. 0.0357 0.0320 0.0336
07:01-08:00, Sat., 26 Apr. 0.0354 0.0317 0.0338
06:01-07:00, Sat., 26 Apr. 0.0360 0.0321 0.0339
05:01-06:00, Sat., 26 Apr. 0.0361 0.0319 0.0340
04:01-05:00, Sat., 26 Apr. 0.0353 0.0313 0.0335
03:01-04:00, Sat., 26 Apr. 0.0351 0.0317 0.0335
02:01-03:00, Sat., 26 Apr. 0.0349 0.0304 0.0329
01:01-02:00, Sat., 26 Apr. 0.0348 0.0310 0.0327
00:01-01:00, Sat., 26 Apr. 0.0344 0.0304 0.0324
23:01-24:00, Fri., 25 Apr. 0.0347 0.0305 0.0328
22:01-23:00, Fri., 25 Apr. 0.0344 0.0307 0.0326
21:01-22:00, Fri., 25 Apr. 0.0346 0.0303 0.0325
20:01-21:00, Fri., 25 Apr. 0.0345 0.0291 0.0324
19:01-20:00, Fri., 25 Apr. 0.0346 0.0302 0.0322
18:01-19:00, Fri., 25 Apr. 0.0351 0.0308 0.0325
17:01-18:00, Fri., 25 Apr. 0.0346 0.0303 0.0320
16:01-17:00, Fri., 25 Apr. 0.0349 0.0305 0.0326
15:01-16:00, Fri., 25 Apr. 0.0345 0.0300 0.0321
14:01-15:00, Fri., 25 Apr. 0.0346 0.0304 0.0321
13:01-14:00, Fri., 25 Apr. 0.0337 0.0299 0.0319
12:01-13:00, Fri., 25 Apr. 0.0349 0.0298 0.0323
11:01-12:00, Fri., 25 Apr. 0.0347 0.0305 0.0327
10:01-11:00, Fri., 25 Apr. 0.0353 0.0302 0.0326
09:01-10:00, Fri., 25 Apr. 0.0349 0.0303 0.0329
08:01-09:00, Fri., 25 Apr. 0.0358 0.0313 0.0334
07:01-08:00, Fri., 25 Apr. 0.0361 0.0323 0.0339
06:01-07:00, Fri., 25 Apr. 0.0361 0.0320 0.0340
05:01-06:00, Fri., 25 Apr. 0.0352 0.0313 0.0335
04:01-05:00, Fri., 25 Apr. 0.0352 0.0311 0.0332
03:01-04:00, Fri., 25 Apr. 0.0346 0.0309 0.0328
02:01-03:00, Fri., 25 Apr. 0.0349 0.0308 0.0330
01:01-02:00, Fri., 25 Apr. 0.0345 0.0305 0.0326
00:01-01:00, Fri., 25 Apr. 0.0348 0.0305 0.0326
23:01-24:00, Thu., 24 Apr. 0.0344 0.0304 0.0323
22:01-23:00, Thu., 24 Apr. 0.0341 0.0305 0.0322
21:01-22:00, Thu., 24 Apr. 0.0352 0.0300 0.0323
20:01-21:00, Thu., 24 Apr. 0.0340 0.0295 0.0321
19:01-20:00, Thu., 24 Apr. 0.0345 0.0302 0.0322
18:01-19:00, Thu., 24 Apr. 0.0335 0.0287 0.0319
17:01-18:00, Thu., 24 Apr. 0.0338 0.0299 0.0321
16:01-17:00, Thu., 24 Apr. 0.0341 0.0303 0.0320
15:01-16:00, Thu., 24 Apr. 0.0353 0.0297 0.0324
14:01-15:00, Thu., 24 Apr. 0.0343 0.0303 0.0324
13:01-14:00, Thu., 24 Apr. 0.0344 0.0300 0.0322
12:01-13:00, Thu., 24 Apr. 0.0345 0.0306 0.0324
11:01-12:00, Thu., 24 Apr. 0.0338 0.0307 0.0323
10:01-11:00, Thu., 24 Apr. 0.0348 0.0305 0.0326
09:01-10:00, Thu., 24 Apr. 0.0345 0.0305 0.0327
08:01-09:00, Thu., 24 Apr. 0.0351 0.0310 0.0331
07:01-08:00, Thu., 24 Apr. 0.0350 0.0311 0.0334
06:01-07:00, Thu., 24 Apr. 0.0356 0.0307 0.0330
05:01-06:00, Thu., 24 Apr. 0.0347 0.0305 0.0328
04:01-05:00, Thu., 24 Apr. 0.0353 0.0306 0.0327
03:01-04:00, Thu., 24 Apr. 0.0358 0.0308 0.0329
02:01-03:00, Thu., 24 Apr. 0.0343 0.0307 0.0326
01:01-02:00, Thu., 24 Apr. 0.0357 0.0305 0.0326
00:01-01:00, Thu., 24 Apr. 0.0354 0.0310 0.0328
23:01-24:00, Wed., 23 Apr. 0.0339 0.0309 0.0324
22:01-23:00, Wed., 23 Apr. 0.0340 0.0304 0.0324
21:01-22:00, Wed., 23 Apr. 0.0336 0.0295 0.0321
20:01-21:00, Wed., 23 Apr. 0.0349 0.0308 0.0322
19:01-20:00, Wed., 23 Apr. 0.0344 0.0296 0.0320
18:01-19:00, Wed., 23 Apr. 0.0343 0.0301 0.0320
17:01-18:00, Wed., 23 Apr. 0.0337 0.0297 0.0321
16:01-17:00, Wed., 23 Apr. 0.0338 0.0302 0.0318
15:01-16:00, Wed., 23 Apr. 0.0348 0.0302 0.0321
14:01-15:00, Wed., 23 Apr. 0.0344 0.0303 0.0322
13:01-14:00, Wed., 23 Apr. 0.0351 0.0302 0.0322
12:01-13:00, Wed., 23 Apr. 0.0334 0.0303 0.0318
11:01-12:00, Wed., 23 Apr. 0.0342 0.0295 0.0320
10:01-11:00, Wed., 23 Apr. 0.0341 0.0308 0.0324
09:01-10:00, Wed., 23 Apr. 0.0346 0.0305 0.0325
08:01-09:00, Wed., 23 Apr. 0.0353 0.0300 0.0324
07:01-08:00, Wed., 23 Apr. 0.0345 0.0309 0.0327
06:01-07:00, Wed., 23 Apr. 0.0346 0.0307 0.0327
05:01-06:00, Wed., 23 Apr. 0.0358 0.0309 0.0328
04:01-05:00, Wed., 23 Apr. 0.0342 0.0310 0.0324
03:01-04:00, Wed., 23 Apr. 0.0351 0.0305 0.0327
02:01-03:00, Wed., 23 Apr. 0.0369 0.0320 0.0342
01:01-02:00, Wed., 23 Apr. 0.0418 0.0348 0.0376
00:01-01:00, Wed., 23 Apr. 0.0474 0.0370 0.0407
23:01-24:00, Tue., 22 Apr. 0.0475 0.0415 0.0441
22:01-23:00, Tue., 22 Apr. 0.0461 0.0334 0.0402
21:01-22:00, Tue., 22 Apr. 0.0350 0.0306 0.0328
20:01-21:00, Tue., 22 Apr. 0.0344 0.0307 0.0323
19:01-20:00, Tue., 22 Apr. 0.0351 0.0306 0.0327
18:01-19:00, Tue., 22 Apr. 0.0370 0.0323 0.0343
17:01-18:00, Tue., 22 Apr. 0.0367 0.0318 0.0342
16:01-17:00, Tue., 22 Apr. 0.0362 0.0321 0.0343
15:01-16:00, Tue., 22 Apr. 0.0402 0.0322 0.0354
14:01-15:00, Tue., 22 Apr. 0.0431 0.0355 0.0377
13:01-14:00, Tue., 22 Apr. 0.0358 0.0310 0.0330
12:01-13:00, Tue., 22 Apr. 0.0341 0.0297 0.0323
11:01-12:00, Tue., 22 Apr. 0.0343 0.0301 0.0321
10:01-11:00, Tue., 22 Apr. 0.0342 0.0310 0.0324
09:01-10:00, Tue., 22 Apr. 0.0352 0.0311 0.0329
08:01-09:00, Tue., 22 Apr. 0.0345 0.0306 0.0329
07:01-08:00, Tue., 22 Apr. 0.0357 0.0308 0.0332
06:01-07:00, Tue., 22 Apr. 0.0353 0.0306 0.0330
05:01-06:00, Tue., 22 Apr. 0.0349 0.0305 0.0326
04:01-05:00, Tue., 22 Apr. 0.0347 0.0304 0.0324
03:01-04:00, Tue., 22 Apr. 0.0354 0.0309 0.0328
02:01-03:00, Tue., 22 Apr. 0.0349 0.0314 0.0329
01:01-02:00, Tue., 22 Apr. 0.0355 0.0314 0.0338
00:01-01:00, Tue., 22 Apr. 0.0363 0.0323 0.0343
23:01-24:00, Mon., 21 Apr. 0.0371 0.0327 0.0352
22:01-23:00, Mon., 21 Apr. 0.0390 0.0343 0.0363
21:01-22:00, Mon., 21 Apr. 0.0355 0.0312 0.0328
20:01-21:00, Mon., 21 Apr. 0.0351 0.0309 0.0330
19:01-20:00, Mon., 21 Apr. 0.0370 0.0321 0.0352
18:01-19:00, Mon., 21 Apr. 0.0378 0.0317 0.0346
17:01-18:00, Mon., 21 Apr. 0.0371 0.0330 0.0350
16:01-17:00, Mon., 21 Apr. 0.0373 0.0313 0.0341
15:01-16:00, Mon., 21 Apr. 0.0337 0.0302 0.0321
14:01-15:00, Mon., 21 Apr. 0.0347 0.0296 0.0320
13:01-14:00, Mon., 21 Apr. 0.0335 0.0300 0.0318
12:01-13:00, Mon., 21 Apr. 0.0340 0.0297 0.0317
11:01-12:00, Mon., 21 Apr. 0.0337 0.0302 0.0322
10:01-11:00, Mon., 21 Apr. 0.0345 0.0307 0.0325
09:01-10:00, Mon., 21 Apr. 0.0354 0.0314 0.0330
08:01-09:00, Mon., 21 Apr. 0.0359 0.0320 0.0341
07:01-08:00, Mon., 21 Apr. 0.0384 0.0331 0.0354
06:01-07:00, Mon., 21 Apr. 0.0397 0.0339 0.0362
05:01-06:00, Mon., 21 Apr. 0.0381 0.0332 0.0356
04:01-05:00, Mon., 21 Apr. 0.0363 0.0325 0.0342
03:01-04:00, Mon., 21 Apr. 0.0353 0.0313 0.0336
02:01-03:00, Mon., 21 Apr. 0.0345 0.0315 0.0330
01:01-02:00, Mon., 21 Apr. 0.0360 0.0315 0.0338
00:01-01:00, Mon., 21 Apr. 0.0368 0.0321 0.0347