Measurement results by the hour (Chofu) 14 Apr., 2014 - 20 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., 20 Apr. 0.0364 0.0323 0.0344
22:01-23:00, Sun., 20 Apr. 0.0348 0.0310 0.0331
21:01-22:00, Sun., 20 Apr. 0.0352 0.0303 0.0325
20:01-21:00, Sun., 20 Apr. 0.0345 0.0305 0.0324
19:01-20:00, Sun., 20 Apr. 0.0344 0.0304 0.0325
18:01-19:00, Sun., 20 Apr. 0.0347 0.0299 0.0326
17:01-18:00, Sun., 20 Apr. 0.0342 0.0300 0.0324
16:01-17:00, Sun., 20 Apr. 0.0345 0.0302 0.0323
15:01-16:00, Sun., 20 Apr. 0.0345 0.0301 0.0322
14:01-15:00, Sun., 20 Apr. 0.0339 0.0305 0.0324
13:01-14:00, Sun., 20 Apr. 0.0342 0.0298 0.0322
12:01-13:00, Sun., 20 Apr. 0.0344 0.0297 0.0322
11:01-12:00, Sun., 20 Apr. 0.0346 0.0306 0.0325
10:01-11:00, Sun., 20 Apr. 0.0350 0.0310 0.0327
09:01-10:00, Sun., 20 Apr. 0.0354 0.0313 0.0327
08:01-09:00, Sun., 20 Apr. 0.0345 0.0299 0.0327
07:01-08:00, Sun., 20 Apr. 0.0358 0.0303 0.0325
06:01-07:00, Sun., 20 Apr. 0.0338 0.0307 0.0323
05:01-06:00, Sun., 20 Apr. 0.0348 0.0303 0.0327
04:01-05:00, Sun., 20 Apr. 0.0347 0.0310 0.0327
03:01-04:00, Sun., 20 Apr. 0.0348 0.0304 0.0327
02:01-03:00, Sun., 20 Apr. 0.0350 0.0305 0.0327
01:01-02:00, Sun., 20 Apr. 0.0352 0.0313 0.0333
00:01-01:00, Sun., 20 Apr. 0.0360 0.0317 0.0335
23:01-24:00, Sat., 19 Apr. 0.0359 0.0317 0.0337
22:01-23:00, Sat., 19 Apr. 0.0354 0.0309 0.0332
21:01-22:00, Sat., 19 Apr. 0.0352 0.0313 0.0328
20:01-21:00, Sat., 19 Apr. 0.0341 0.0301 0.0325
19:01-20:00, Sat., 19 Apr. 0.0342 0.0304 0.0322
18:01-19:00, Sat., 19 Apr. 0.0343 0.0300 0.0323
17:01-18:00, Sat., 19 Apr. 0.0344 0.0307 0.0322
16:01-17:00, Sat., 19 Apr. 0.0334 0.0306 0.0322
15:01-16:00, Sat., 19 Apr. 0.0344 0.0304 0.0320
14:01-15:00, Sat., 19 Apr. 0.0343 0.0305 0.0322
13:01-14:00, Sat., 19 Apr. 0.0339 0.0298 0.0322
12:01-13:00, Sat., 19 Apr. 0.0349 0.0311 0.0326
11:01-12:00, Sat., 19 Apr. 0.0342 0.0308 0.0327
10:01-11:00, Sat., 19 Apr. 0.0342 0.0292 0.0322
09:01-10:00, Sat., 19 Apr. 0.0345 0.0298 0.0324
08:01-09:00, Sat., 19 Apr. 0.0343 0.0303 0.0326
07:01-08:00, Sat., 19 Apr. 0.0341 0.0311 0.0326
06:01-07:00, Sat., 19 Apr. 0.0348 0.0305 0.0326
05:01-06:00, Sat., 19 Apr. 0.0347 0.0306 0.0326
04:01-05:00, Sat., 19 Apr. 0.0346 0.0305 0.0325
03:01-04:00, Sat., 19 Apr. 0.0348 0.0304 0.0324
02:01-03:00, Sat., 19 Apr. 0.0345 0.0310 0.0325
01:01-02:00, Sat., 19 Apr. 0.0346 0.0306 0.0323
00:01-01:00, Sat., 19 Apr. 0.0341 0.0302 0.0322
23:01-24:00, Fri., 18 Apr. 0.0345 0.0302 0.0323
22:01-23:00, Fri., 18 Apr. 0.0356 0.0311 0.0332
21:01-22:00, Fri., 18 Apr. 0.0378 0.0325 0.0352
20:01-21:00, Fri., 18 Apr. 0.0383 0.0335 0.0359
19:01-20:00, Fri., 18 Apr. 0.0361 0.0310 0.0332
18:01-19:00, Fri., 18 Apr. 0.0350 0.0301 0.0330
17:01-18:00, Fri., 18 Apr. 0.0364 0.0316 0.0344
16:01-17:00, Fri., 18 Apr. 0.0370 0.0320 0.0346
15:01-16:00, Fri., 18 Apr. 0.0350 0.0315 0.0334
14:01-15:00, Fri., 18 Apr. 0.0375 0.0327 0.0351
13:01-14:00, Fri., 18 Apr. 0.0355 0.0312 0.0334
12:01-13:00, Fri., 18 Apr. 0.0354 0.0314 0.0328
11:01-12:00, Fri., 18 Apr. 0.0352 0.0314 0.0331
10:01-11:00, Fri., 18 Apr. 0.0369 0.0317 0.0340
09:01-10:00, Fri., 18 Apr. 0.0451 0.0346 0.0387
08:01-09:00, Fri., 18 Apr. 0.0455 0.0376 0.0415
07:01-08:00, Fri., 18 Apr. 0.0437 0.0369 0.0403
06:01-07:00, Fri., 18 Apr. 0.0412 0.0349 0.0377
05:01-06:00, Fri., 18 Apr. 0.0377 0.0325 0.0356
04:01-05:00, Fri., 18 Apr. 0.0355 0.0320 0.0335
03:01-04:00, Fri., 18 Apr. 0.0354 0.0311 0.0336
02:01-03:00, Fri., 18 Apr. 0.0355 0.0322 0.0337
01:01-02:00, Fri., 18 Apr. 0.0357 0.0312 0.0334
00:01-01:00, Fri., 18 Apr. 0.0360 0.0314 0.0332
23:01-24:00, Thu., 17 Apr. 0.0354 0.0320 0.0333
22:01-23:00, Thu., 17 Apr. 0.0358 0.0308 0.0329
21:01-22:00, Thu., 17 Apr. 0.0351 0.0306 0.0330
20:01-21:00, Thu., 17 Apr. 0.0361 0.0314 0.0330
19:01-20:00, Thu., 17 Apr. 0.0351 0.0310 0.0329
18:01-19:00, Thu., 17 Apr. 0.0346 0.0311 0.0331
17:01-18:00, Thu., 17 Apr. 0.0347 0.0309 0.0326
16:01-17:00, Thu., 17 Apr. 0.0344 0.0305 0.0324
15:01-16:00, Thu., 17 Apr. 0.0353 0.0307 0.0326
14:01-15:00, Thu., 17 Apr. 0.0344 0.0306 0.0329
13:01-14:00, Thu., 17 Apr. 0.0347 0.0303 0.0324
12:01-13:00, Thu., 17 Apr. 0.0360 0.0297 0.0326
11:01-12:00, Thu., 17 Apr. 0.0340 0.0305 0.0325
10:01-11:00, Thu., 17 Apr. 0.0351 0.0304 0.0326
09:01-10:00, Thu., 17 Apr. 0.0351 0.0310 0.0327
08:01-09:00, Thu., 17 Apr. 0.0359 0.0311 0.0330
07:01-08:00, Thu., 17 Apr. 0.0347 0.0309 0.0327
06:01-07:00, Thu., 17 Apr. 0.0351 0.0305 0.0330
05:01-06:00, Thu., 17 Apr. 0.0362 0.0311 0.0328
04:01-05:00, Thu., 17 Apr. 0.0350 0.0305 0.0328
03:01-04:00, Thu., 17 Apr. 0.0349 0.0305 0.0329
02:01-03:00, Thu., 17 Apr. 0.0359 0.0311 0.0334
01:01-02:00, Thu., 17 Apr. 0.0358 0.0318 0.0339
00:01-01:00, Thu., 17 Apr. 0.0361 0.0310 0.0339
23:01-24:00, Wed., 16 Apr. 0.0359 0.0318 0.0338
22:01-23:00, Wed., 16 Apr. 0.0361 0.0312 0.0336
21:01-22:00, Wed., 16 Apr. 0.0348 0.0303 0.0332
20:01-21:00, Wed., 16 Apr. 0.0359 0.0309 0.0332
19:01-20:00, Wed., 16 Apr. 0.0353 0.0308 0.0331
18:01-19:00, Wed., 16 Apr. 0.0349 0.0312 0.0331
17:01-18:00, Wed., 16 Apr. 0.0353 0.0309 0.0329
16:01-17:00, Wed., 16 Apr. 0.0350 0.0307 0.0329
15:01-16:00, Wed., 16 Apr. 0.0351 0.0311 0.0332
14:01-15:00, Wed., 16 Apr. 0.0355 0.0300 0.0327
13:01-14:00, Wed., 16 Apr. 0.0349 0.0309 0.0329
12:01-13:00, Wed., 16 Apr. 0.0348 0.0307 0.0328
11:01-12:00, Wed., 16 Apr. 0.0350 0.0310 0.0330
10:01-11:00, Wed., 16 Apr. 0.0347 0.0305 0.0332
09:01-10:00, Wed., 16 Apr. 0.0356 0.0313 0.0334
08:01-09:00, Wed., 16 Apr. 0.0355 0.0317 0.0337
07:01-08:00, Wed., 16 Apr. 0.0369 0.0318 0.0338
06:01-07:00, Wed., 16 Apr. 0.0359 0.0316 0.0337
05:01-06:00, Wed., 16 Apr. 0.0359 0.0314 0.0338
04:01-05:00, Wed., 16 Apr. 0.0355 0.0307 0.0335
03:01-04:00, Wed., 16 Apr. 0.0361 0.0313 0.0338
02:01-03:00, Wed., 16 Apr. 0.0355 0.0315 0.0333
01:01-02:00, Wed., 16 Apr. 0.0349 0.0304 0.0330
00:01-01:00, Wed., 16 Apr. 0.0363 0.0315 0.0335
23:01-24:00, Tue., 15 Apr. 0.0353 0.0317 0.0331
22:01-23:00, Tue., 15 Apr. 0.0338 0.0308 0.0326
21:01-22:00, Tue., 15 Apr. 0.0353 0.0310 0.0327
20:01-21:00, Tue., 15 Apr. 0.0343 0.0312 0.0327
19:01-20:00, Tue., 15 Apr. 0.0342 0.0305 0.0324
18:01-19:00, Tue., 15 Apr. 0.0340 0.0302 0.0324
17:01-18:00, Tue., 15 Apr. 0.0343 0.0301 0.0324
16:01-17:00, Tue., 15 Apr. 0.0354 0.0310 0.0326
15:01-16:00, Tue., 15 Apr. 0.0349 0.0303 0.0326
14:01-15:00, Tue., 15 Apr. 0.0344 0.0308 0.0326
13:01-14:00, Tue., 15 Apr. 0.0342 0.0299 0.0322
12:01-13:00, Tue., 15 Apr. 0.0345 0.0304 0.0326
11:01-12:00, Tue., 15 Apr. 0.0349 0.0305 0.0326
10:01-11:00, Tue., 15 Apr. 0.0350 0.0305 0.0326
09:01-10:00, Tue., 15 Apr. 0.0362 0.0298 0.0328
08:01-09:00, Tue., 15 Apr. 0.0349 0.0315 0.0329
07:01-08:00, Tue., 15 Apr. 0.0349 0.0318 0.0335
06:01-07:00, Tue., 15 Apr. 0.0354 0.0317 0.0339
05:01-06:00, Tue., 15 Apr. 0.0359 0.0318 0.0341
04:01-05:00, Tue., 15 Apr. 0.0372 0.0323 0.0339
03:01-04:00, Tue., 15 Apr. 0.0357 0.0312 0.0335
02:01-03:00, Tue., 15 Apr. 0.0361 0.0309 0.0334
01:01-02:00, Tue., 15 Apr. 0.0355 0.0307 0.0328
00:01-01:00, Tue., 15 Apr. 0.0350 0.0306 0.0327
23:01-24:00, Mon., 14 Apr. 0.0348 0.0300 0.0322
22:01-23:00, Mon., 14 Apr. 0.0349 0.0303 0.0321
21:01-22:00, Mon., 14 Apr. 0.0342 0.0303 0.0323
20:01-21:00, Mon., 14 Apr. 0.0339 0.0292 0.0320
19:01-20:00, Mon., 14 Apr. 0.0338 0.0301 0.0321
18:01-19:00, Mon., 14 Apr. 0.0340 0.0300 0.0321
17:01-18:00, Mon., 14 Apr. 0.0342 0.0306 0.0323
16:01-17:00, Mon., 14 Apr. 0.0348 0.0303 0.0321
15:01-16:00, Mon., 14 Apr. 0.0347 0.0297 0.0322
14:01-15:00, Mon., 14 Apr. 0.0342 0.0304 0.0320
13:01-14:00, Mon., 14 Apr. 0.0343 0.0301 0.0322
12:01-13:00, Mon., 14 Apr. 0.0338 0.0298 0.0320
11:01-12:00, Mon., 14 Apr. 0.0344 0.0305 0.0324
10:01-11:00, Mon., 14 Apr. 0.0339 0.0300 0.0324
09:01-10:00, Mon., 14 Apr. 0.0350 0.0311 0.0329
08:01-09:00, Mon., 14 Apr. 0.0347 0.0318 0.0332
07:01-08:00, Mon., 14 Apr. 0.0362 0.0316 0.0333
06:01-07:00, Mon., 14 Apr. 0.0359 0.0313 0.0334
05:01-06:00, Mon., 14 Apr. 0.0366 0.0313 0.0332
04:01-05:00, Mon., 14 Apr. 0.0352 0.0310 0.0328
03:01-04:00, Mon., 14 Apr. 0.0346 0.0306 0.0327
02:01-03:00, Mon., 14 Apr. 0.0346 0.0302 0.0328
01:01-02:00, Mon., 14 Apr. 0.0349 0.0306 0.0325
00:01-01:00, Mon., 14 Apr. 0.0345 0.0310 0.0327