Measurement results by the hour (Chofu) 7 Apr., 2014 - 13 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., 13 Apr. 0.0340 0.0303 0.0324
22:01-23:00, Sun., 13 Apr. 0.0340 0.0300 0.0321
21:01-22:00, Sun., 13 Apr. 0.0345 0.0306 0.0323
20:01-21:00, Sun., 13 Apr. 0.0339 0.0301 0.0320
19:01-20:00, Sun., 13 Apr. 0.0346 0.0291 0.0322
18:01-19:00, Sun., 13 Apr. 0.0353 0.0301 0.0322
17:01-18:00, Sun., 13 Apr. 0.0338 0.0299 0.0321
16:01-17:00, Sun., 13 Apr. 0.0341 0.0299 0.0321
15:01-16:00, Sun., 13 Apr. 0.0341 0.0300 0.0320
14:01-15:00, Sun., 13 Apr. 0.0340 0.0300 0.0323
13:01-14:00, Sun., 13 Apr. 0.0343 0.0299 0.0321
12:01-13:00, Sun., 13 Apr. 0.0343 0.0311 0.0326
11:01-12:00, Sun., 13 Apr. 0.0339 0.0304 0.0325
10:01-11:00, Sun., 13 Apr. 0.0351 0.0305 0.0326
09:01-10:00, Sun., 13 Apr. 0.0352 0.0308 0.0330
08:01-09:00, Sun., 13 Apr. 0.0364 0.0318 0.0341
07:01-08:00, Sun., 13 Apr. 0.0359 0.0314 0.0343
06:01-07:00, Sun., 13 Apr. 0.0355 0.0312 0.0336
05:01-06:00, Sun., 13 Apr. 0.0355 0.0316 0.0335
04:01-05:00, Sun., 13 Apr. 0.0358 0.0315 0.0336
03:01-04:00, Sun., 13 Apr. 0.0345 0.0314 0.0332
02:01-03:00, Sun., 13 Apr. 0.0351 0.0310 0.0331
01:01-02:00, Sun., 13 Apr. 0.0350 0.0308 0.0331
00:01-01:00, Sun., 13 Apr. 0.0357 0.0310 0.0326
23:01-24:00, Sat., 12 Apr. 0.0336 0.0298 0.0323
22:01-23:00, Sat., 12 Apr. 0.0341 0.0301 0.0322
21:01-22:00, Sat., 12 Apr. 0.0346 0.0306 0.0324
20:01-21:00, Sat., 12 Apr. 0.0346 0.0299 0.0322
19:01-20:00, Sat., 12 Apr. 0.0339 0.0297 0.0319
18:01-19:00, Sat., 12 Apr. 0.0343 0.0301 0.0318
17:01-18:00, Sat., 12 Apr. 0.0340 0.0298 0.0318
16:01-17:00, Sat., 12 Apr. 0.0349 0.0298 0.0321
15:01-16:00, Sat., 12 Apr. 0.0347 0.0302 0.0320
14:01-15:00, Sat., 12 Apr. 0.0336 0.0304 0.0319
13:01-14:00, Sat., 12 Apr. 0.0343 0.0297 0.0319
12:01-13:00, Sat., 12 Apr. 0.0338 0.0295 0.0319
11:01-12:00, Sat., 12 Apr. 0.0336 0.0304 0.0321
10:01-11:00, Sat., 12 Apr. 0.0337 0.0305 0.0321
09:01-10:00, Sat., 12 Apr. 0.0346 0.0307 0.0325
08:01-09:00, Sat., 12 Apr. 0.0344 0.0298 0.0323
07:01-08:00, Sat., 12 Apr. 0.0348 0.0308 0.0328
06:01-07:00, Sat., 12 Apr. 0.0347 0.0301 0.0328
05:01-06:00, Sat., 12 Apr. 0.0349 0.0310 0.0330
04:01-05:00, Sat., 12 Apr. 0.0342 0.0313 0.0328
03:01-04:00, Sat., 12 Apr. 0.0358 0.0307 0.0330
02:01-03:00, Sat., 12 Apr. 0.0344 0.0301 0.0324
01:01-02:00, Sat., 12 Apr. 0.0342 0.0308 0.0324
00:01-01:00, Sat., 12 Apr. 0.0345 0.0303 0.0325
23:01-24:00, Fri., 11 Apr. 0.0338 0.0300 0.0319
22:01-23:00, Fri., 11 Apr. 0.0342 0.0306 0.0323
21:01-22:00, Fri., 11 Apr. 0.0344 0.0305 0.0323
20:01-21:00, Fri., 11 Apr. 0.0336 0.0301 0.0319
19:01-20:00, Fri., 11 Apr. 0.0337 0.0296 0.0320
18:01-19:00, Fri., 11 Apr. 0.0336 0.0301 0.0318
17:01-18:00, Fri., 11 Apr. 0.0336 0.0298 0.0318
16:01-17:00, Fri., 11 Apr. 0.0336 0.0301 0.0319
15:01-16:00, Fri., 11 Apr. 0.0340 0.0299 0.0319
14:01-15:00, Fri., 11 Apr. 0.0341 0.0297 0.0320
13:01-14:00, Fri., 11 Apr. 0.0344 0.0294 0.0322
12:01-13:00, Fri., 11 Apr. 0.0347 0.0306 0.0321
11:01-12:00, Fri., 11 Apr. 0.0339 0.0302 0.0320
10:01-11:00, Fri., 11 Apr. 0.0343 0.0302 0.0320
09:01-10:00, Fri., 11 Apr. 0.0341 0.0302 0.0324
08:01-09:00, Fri., 11 Apr. 0.0347 0.0302 0.0323
07:01-08:00, Fri., 11 Apr. 0.0343 0.0301 0.0322
06:01-07:00, Fri., 11 Apr. 0.0348 0.0299 0.0322
05:01-06:00, Fri., 11 Apr. 0.0346 0.0298 0.0319
04:01-05:00, Fri., 11 Apr. 0.0344 0.0300 0.0322
03:01-04:00, Fri., 11 Apr. 0.0345 0.0299 0.0323
02:01-03:00, Fri., 11 Apr. 0.0343 0.0302 0.0320
01:01-02:00, Fri., 11 Apr. 0.0342 0.0298 0.0318
00:01-01:00, Fri., 11 Apr. 0.0339 0.0296 0.0319
23:01-24:00, Thu., 10 Apr. 0.0336 0.0299 0.0317
22:01-23:00, Thu., 10 Apr. 0.0335 0.0303 0.0321
21:01-22:00, Thu., 10 Apr. 0.0338 0.0304 0.0319
20:01-21:00, Thu., 10 Apr. 0.0334 0.0300 0.0320
19:01-20:00, Thu., 10 Apr. 0.0338 0.0303 0.0321
18:01-19:00, Thu., 10 Apr. 0.0343 0.0302 0.0322
17:01-18:00, Thu., 10 Apr. 0.0346 0.0299 0.0325
16:01-17:00, Thu., 10 Apr. 0.0335 0.0303 0.0322
15:01-16:00, Thu., 10 Apr. 0.0347 0.0310 0.0324
14:01-15:00, Thu., 10 Apr. 0.0340 0.0304 0.0323
13:01-14:00, Thu., 10 Apr. 0.0341 0.0300 0.0323
12:01-13:00, Thu., 10 Apr. 0.0340 0.0302 0.0320
11:01-12:00, Thu., 10 Apr. 0.0341 0.0299 0.0321
10:01-11:00, Thu., 10 Apr. 0.0347 0.0308 0.0325
09:01-10:00, Thu., 10 Apr. 0.0356 0.0299 0.0325
08:01-09:00, Thu., 10 Apr. 0.0344 0.0310 0.0329
07:01-08:00, Thu., 10 Apr. 0.0359 0.0318 0.0333
06:01-07:00, Thu., 10 Apr. 0.0353 0.0313 0.0332
05:01-06:00, Thu., 10 Apr. 0.0352 0.0310 0.0332
04:01-05:00, Thu., 10 Apr. 0.0349 0.0302 0.0326
03:01-04:00, Thu., 10 Apr. 0.0344 0.0306 0.0324
02:01-03:00, Thu., 10 Apr. 0.0337 0.0303 0.0320
01:01-02:00, Thu., 10 Apr. 0.0338 0.0304 0.0320
00:01-01:00, Thu., 10 Apr. 0.0346 0.0300 0.0321
23:01-24:00, Wed., 09 Apr. 0.0336 0.0298 0.0319
22:01-23:00, Wed., 09 Apr. 0.0339 0.0300 0.0319
21:01-22:00, Wed., 09 Apr. 0.0340 0.0303 0.0320
20:01-21:00, Wed., 09 Apr. 0.0337 0.0298 0.0316
19:01-20:00, Wed., 09 Apr. 0.0340 0.0299 0.0317
18:01-19:00, Wed., 09 Apr. 0.0338 0.0291 0.0315
17:01-18:00, Wed., 09 Apr. 0.0334 0.0299 0.0315
16:01-17:00, Wed., 09 Apr. 0.0335 0.0295 0.0316
15:01-16:00, Wed., 09 Apr. 0.0335 0.0297 0.0317
14:01-15:00, Wed., 09 Apr. 0.0332 0.0299 0.0316
13:01-14:00, Wed., 09 Apr. 0.0339 0.0302 0.0317
12:01-13:00, Wed., 09 Apr. 0.0341 0.0300 0.0322
11:01-12:00, Wed., 09 Apr. 0.0343 0.0305 0.0322
10:01-11:00, Wed., 09 Apr. 0.0348 0.0300 0.0323
09:01-10:00, Wed., 09 Apr. 0.0360 0.0304 0.0326
08:01-09:00, Wed., 09 Apr. 0.0350 0.0315 0.0331
07:01-08:00, Wed., 09 Apr. 0.0348 0.0307 0.0332
06:01-07:00, Wed., 09 Apr. 0.0349 0.0314 0.0331
05:01-06:00, Wed., 09 Apr. 0.0343 0.0308 0.0329
04:01-05:00, Wed., 09 Apr. 0.0346 0.0310 0.0325
03:01-04:00, Wed., 09 Apr. 0.0342 0.0305 0.0324
02:01-03:00, Wed., 09 Apr. 0.0343 0.0300 0.0323
01:01-02:00, Wed., 09 Apr. 0.0342 0.0304 0.0325
00:01-01:00, Wed., 09 Apr. 0.0345 0.0307 0.0321
23:01-24:00, Tue., 08 Apr. 0.0347 0.0298 0.0325
22:01-23:00, Tue., 08 Apr. 0.0336 0.0304 0.0321
21:01-22:00, Tue., 08 Apr. 0.0340 0.0301 0.0318
20:01-21:00, Tue., 08 Apr. 0.0341 0.0302 0.0319
19:01-20:00, Tue., 08 Apr. 0.0346 0.0297 0.0320
18:01-19:00, Tue., 08 Apr. 0.0341 0.0301 0.0321
17:01-18:00, Tue., 08 Apr. 0.0345 0.0295 0.0318
16:01-17:00, Tue., 08 Apr. 0.0340 0.0298 0.0321
15:01-16:00, Tue., 08 Apr. 0.0338 0.0298 0.0320
14:01-15:00, Tue., 08 Apr. 0.0339 0.0301 0.0322
13:01-14:00, Tue., 08 Apr. 0.0343 0.0306 0.0321
12:01-13:00, Tue., 08 Apr. 0.0345 0.0308 0.0323
11:01-12:00, Tue., 08 Apr. 0.0351 0.0305 0.0325
10:01-11:00, Tue., 08 Apr. 0.0354 0.0297 0.0328
09:01-10:00, Tue., 08 Apr. 0.0348 0.0309 0.0328
08:01-09:00, Tue., 08 Apr. 0.0350 0.0306 0.0328
07:01-08:00, Tue., 08 Apr. 0.0354 0.0311 0.0335
06:01-07:00, Tue., 08 Apr. 0.0349 0.0309 0.0330
05:01-06:00, Tue., 08 Apr. 0.0363 0.0306 0.0333
04:01-05:00, Tue., 08 Apr. 0.0358 0.0308 0.0332
03:01-04:00, Tue., 08 Apr. 0.0355 0.0314 0.0330
02:01-03:00, Tue., 08 Apr. 0.0347 0.0302 0.0329
01:01-02:00, Tue., 08 Apr. 0.0351 0.0312 0.0330
00:01-01:00, Tue., 08 Apr. 0.0359 0.0307 0.0327
23:01-24:00, Mon., 07 Apr. 0.0343 0.0301 0.0321
22:01-23:00, Mon., 07 Apr. 0.0343 0.0303 0.0321
21:01-22:00, Mon., 07 Apr. 0.0335 0.0299 0.0318
20:01-21:00, Mon., 07 Apr. 0.0333 0.0300 0.0317
19:01-20:00, Mon., 07 Apr. 0.0339 0.0297 0.0315
18:01-19:00, Mon., 07 Apr. 0.0337 0.0299 0.0318
17:01-18:00, Mon., 07 Apr. 0.0338 0.0293 0.0314
16:01-17:00, Mon., 07 Apr. 0.0340 0.0298 0.0319
15:01-16:00, Mon., 07 Apr. 0.0336 0.0295 0.0316
14:01-15:00, Mon., 07 Apr. 0.0340 0.0292 0.0316
13:01-14:00, Mon., 07 Apr. 0.0332 0.0289 0.0315
12:01-13:00, Mon., 07 Apr. 0.0330 0.0301 0.0317
11:01-12:00, Mon., 07 Apr. 0.0343 0.0297 0.0319
10:01-11:00, Mon., 07 Apr. 0.0349 0.0303 0.0326
09:01-10:00, Mon., 07 Apr. 0.0359 0.0308 0.0329
08:01-09:00, Mon., 07 Apr. 0.0355 0.0315 0.0334
07:01-08:00, Mon., 07 Apr. 0.0371 0.0315 0.0340
06:01-07:00, Mon., 07 Apr. 0.0356 0.0323 0.0339
05:01-06:00, Mon., 07 Apr. 0.0359 0.0313 0.0336
04:01-05:00, Mon., 07 Apr. 0.0344 0.0297 0.0320
03:01-04:00, Mon., 07 Apr. 0.0338 0.0305 0.0319
02:01-03:00, Mon., 07 Apr. 0.0335 0.0295 0.0317
01:01-02:00, Mon., 07 Apr. 0.0336 0.0302 0.0317
00:01-01:00, Mon., 07 Apr. 0.0343 0.0304 0.0320