Measurement results by the hour (Chofu) 20 Apr., 2015 - 26 Apr., 2015

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., 26 Apr. 0.0328 0.0289 0.0310
22:01-23:00, Sun., 26 Apr. 0.0331 0.0282 0.0310
21:01-22:00, Sun., 26 Apr. 0.0333 0.0289 0.0308
20:01-21:00, Sun., 26 Apr. 0.0324 0.0291 0.0307
19:01-20:00, Sun., 26 Apr. 0.0328 0.0289 0.0307
18:01-19:00, Sun., 26 Apr. 0.0329 0.0288 0.0308
17:01-18:00, Sun., 26 Apr. 0.0329 0.0284 0.0305
16:01-17:00, Sun., 26 Apr. 0.0326 0.0289 0.0308
15:01-16:00, Sun., 26 Apr. 0.0330 0.0289 0.0305
14:01-15:00, Sun., 26 Apr. 0.0318 0.0289 0.0305
13:01-14:00, Sun., 26 Apr. 0.0323 0.0285 0.0306
12:01-13:00, Sun., 26 Apr. 0.0329 0.0281 0.0304
11:01-12:00, Sun., 26 Apr. 0.0320 0.0282 0.0304
10:01-11:00, Sun., 26 Apr. 0.0323 0.0287 0.0306
09:01-10:00, Sun., 26 Apr. 0.0333 0.0290 0.0310
08:01-09:00, Sun., 26 Apr. 0.0331 0.0287 0.0310
07:01-08:00, Sun., 26 Apr. 0.0336 0.0298 0.0314
06:01-07:00, Sun., 26 Apr. 0.0333 0.0294 0.0312
05:01-06:00, Sun., 26 Apr. 0.0341 0.0298 0.0314
04:01-05:00, Sun., 26 Apr. 0.0325 0.0292 0.0310
03:01-04:00, Sun., 26 Apr. 0.0332 0.0290 0.0308
02:01-03:00, Sun., 26 Apr. 0.0329 0.0293 0.0309
01:01-02:00, Sun., 26 Apr. 0.0327 0.0292 0.0309
00:01-01:00, Sun., 26 Apr. 0.0327 0.0288 0.0310
23:01-24:00, Sat., 25 Apr. 0.0336 0.0287 0.0313
22:01-23:00, Sat., 25 Apr. 0.0331 0.0295 0.0311
21:01-22:00, Sat., 25 Apr. 0.0325 0.0289 0.0307
20:01-21:00, Sat., 25 Apr. 0.0325 0.0289 0.0307
19:01-20:00, Sat., 25 Apr. 0.0335 0.0288 0.0312
18:01-19:00, Sat., 25 Apr. 0.0372 0.0299 0.0329
17:01-18:00, Sat., 25 Apr. 0.0452 0.0337 0.0386
16:01-17:00, Sat., 25 Apr. 0.0480 0.0355 0.0424
15:01-16:00, Sat., 25 Apr. 0.0367 0.0303 0.0331
14:01-15:00, Sat., 25 Apr. 0.0335 0.0286 0.0316
13:01-14:00, Sat., 25 Apr. 0.0336 0.0291 0.0313
12:01-13:00, Sat., 25 Apr. 0.0328 0.0291 0.0309
11:01-12:00, Sat., 25 Apr. 0.0323 0.0287 0.0306
10:01-11:00, Sat., 25 Apr. 0.0327 0.0288 0.0309
09:01-10:00, Sat., 25 Apr. 0.0327 0.0292 0.0308
08:01-09:00, Sat., 25 Apr. 0.0331 0.0292 0.0311
07:01-08:00, Sat., 25 Apr. 0.0329 0.0288 0.0313
06:01-07:00, Sat., 25 Apr. 0.0322 0.0284 0.0307
05:01-06:00, Sat., 25 Apr. 0.0327 0.0292 0.0310
04:01-05:00, Sat., 25 Apr. 0.0326 0.0289 0.0307
03:01-04:00, Sat., 25 Apr. 0.0320 0.0286 0.0306
02:01-03:00, Sat., 25 Apr. 0.0323 0.0289 0.0304
01:01-02:00, Sat., 25 Apr. 0.0326 0.0292 0.0307
00:01-01:00, Sat., 25 Apr. 0.0323 0.0290 0.0307
23:01-24:00, Fri., 24 Apr. 0.0327 0.0283 0.0307
22:01-23:00, Fri., 24 Apr. 0.0325 0.0291 0.0307
21:01-22:00, Fri., 24 Apr. 0.0324 0.0290 0.0307
20:01-21:00, Fri., 24 Apr. 0.0321 0.0286 0.0304
19:01-20:00, Fri., 24 Apr. 0.0325 0.0285 0.0304
18:01-19:00, Fri., 24 Apr. 0.0323 0.0286 0.0306
17:01-18:00, Fri., 24 Apr. 0.0321 0.0286 0.0304
16:01-17:00, Fri., 24 Apr. 0.0321 0.0276 0.0299
15:01-16:00, Fri., 24 Apr. 0.0323 0.0287 0.0302
14:01-15:00, Fri., 24 Apr. 0.0318 0.0285 0.0302
13:01-14:00, Fri., 24 Apr. 0.0334 0.0270 0.0302
12:01-13:00, Fri., 24 Apr. 0.0326 0.0279 0.0301
11:01-12:00, Fri., 24 Apr. 0.0320 0.0279 0.0301
10:01-11:00, Fri., 24 Apr. 0.0316 0.0281 0.0298
09:01-10:00, Fri., 24 Apr. 0.0319 0.0277 0.0303
08:01-09:00, Fri., 24 Apr. 0.0328 0.0287 0.0304
07:01-08:00, Fri., 24 Apr. 0.0333 0.0290 0.0307
06:01-07:00, Fri., 24 Apr. 0.0327 0.0277 0.0307
05:01-06:00, Fri., 24 Apr. 0.0325 0.0292 0.0306
04:01-05:00, Fri., 24 Apr. 0.0324 0.0279 0.0303
03:01-04:00, Fri., 24 Apr. 0.0318 0.0273 0.0301
02:01-03:00, Fri., 24 Apr. 0.0319 0.0286 0.0301
01:01-02:00, Fri., 24 Apr. 0.0319 0.0282 0.0301
00:01-01:00, Fri., 24 Apr. 0.0324 0.0285 0.0303
23:01-24:00, Thu., 23 Apr. 0.0317 0.0284 0.0302
22:01-23:00, Thu., 23 Apr. 0.0328 0.0280 0.0302
21:01-22:00, Thu., 23 Apr. 0.0318 0.0281 0.0301
20:01-21:00, Thu., 23 Apr. 0.0319 0.0284 0.0301
19:01-20:00, Thu., 23 Apr. 0.0319 0.0278 0.0300
18:01-19:00, Thu., 23 Apr. 0.0317 0.0278 0.0297
17:01-18:00, Thu., 23 Apr. 0.0315 0.0279 0.0299
16:01-17:00, Thu., 23 Apr. 0.0327 0.0282 0.0298
15:01-16:00, Thu., 23 Apr. 0.0326 0.0282 0.0300
14:01-15:00, Thu., 23 Apr. 0.0330 0.0275 0.0302
13:01-14:00, Thu., 23 Apr. 0.0319 0.0282 0.0305
12:01-13:00, Thu., 23 Apr. 0.0319 0.0284 0.0301
11:01-12:00, Thu., 23 Apr. 0.0317 0.0279 0.0299
10:01-11:00, Thu., 23 Apr. 0.0325 0.0284 0.0302
09:01-10:00, Thu., 23 Apr. 0.0326 0.0278 0.0304
08:01-09:00, Thu., 23 Apr. 0.0325 0.0286 0.0305
07:01-08:00, Thu., 23 Apr. 0.0330 0.0288 0.0307
06:01-07:00, Thu., 23 Apr. 0.0323 0.0287 0.0306
05:01-06:00, Thu., 23 Apr. 0.0328 0.0290 0.0312
04:01-05:00, Thu., 23 Apr. 0.0332 0.0293 0.0309
03:01-04:00, Thu., 23 Apr. 0.0333 0.0282 0.0304
02:01-03:00, Thu., 23 Apr. 0.0327 0.0280 0.0302
01:01-02:00, Thu., 23 Apr. 0.0318 0.0276 0.0299
00:01-01:00, Thu., 23 Apr. 0.0326 0.0292 0.0305
23:01-24:00, Wed., 22 Apr. 0.0333 0.0290 0.0311
22:01-23:00, Wed., 22 Apr. 0.0355 0.0309 0.0328
21:01-22:00, Wed., 22 Apr. 0.0338 0.0301 0.0316
20:01-21:00, Wed., 22 Apr. 0.0339 0.0294 0.0316
19:01-20:00, Wed., 22 Apr. 0.0377 0.0311 0.0345
18:01-19:00, Wed., 22 Apr. 0.0367 0.0293 0.0331
17:01-18:00, Wed., 22 Apr. 0.0327 0.0278 0.0302
16:01-17:00, Wed., 22 Apr. 0.0316 0.0273 0.0299
15:01-16:00, Wed., 22 Apr. 0.0320 0.0276 0.0298
14:01-15:00, Wed., 22 Apr. 0.0328 0.0279 0.0296
13:01-14:00, Wed., 22 Apr. 0.0326 0.0274 0.0298
12:01-13:00, Wed., 22 Apr. 0.0316 0.0284 0.0299
11:01-12:00, Wed., 22 Apr. 0.0325 0.0281 0.0301
10:01-11:00, Wed., 22 Apr. 0.0312 0.0279 0.0298
09:01-10:00, Wed., 22 Apr. 0.0317 0.0272 0.0302
08:01-09:00, Wed., 22 Apr. 0.0317 0.0281 0.0302
07:01-08:00, Wed., 22 Apr. 0.0335 0.0284 0.0300
06:01-07:00, Wed., 22 Apr. 0.0324 0.0284 0.0305
05:01-06:00, Wed., 22 Apr. 0.0321 0.0282 0.0303
04:01-05:00, Wed., 22 Apr. 0.0323 0.0285 0.0301
03:01-04:00, Wed., 22 Apr. 0.0318 0.0281 0.0301
02:01-03:00, Wed., 22 Apr. 0.0324 0.0279 0.0303
01:01-02:00, Wed., 22 Apr. 0.0321 0.0283 0.0303
00:01-01:00, Wed., 22 Apr. 0.0318 0.0280 0.0300
23:01-24:00, Tue., 21 Apr. 0.0318 0.0273 0.0301
22:01-23:00, Tue., 21 Apr. 0.0320 0.0284 0.0303
21:01-22:00, Tue., 21 Apr. 0.0324 0.0281 0.0300
20:01-21:00, Tue., 21 Apr. 0.0323 0.0282 0.0299
19:01-20:00, Tue., 21 Apr. 0.0322 0.0274 0.0300
18:01-19:00, Tue., 21 Apr. 0.0326 0.0284 0.0303
17:01-18:00, Tue., 21 Apr. 0.0321 0.0282 0.0301
16:01-17:00, Tue., 21 Apr. 0.0329 0.0286 0.0304
15:01-16:00, Tue., 21 Apr. 0.0323 0.0279 0.0302
14:01-15:00, Tue., 21 Apr. 0.0320 0.0286 0.0303
13:01-14:00, Tue., 21 Apr. 0.0322 0.0288 0.0302
12:01-13:00, Tue., 21 Apr. 0.0327 0.0286 0.0305
11:01-12:00, Tue., 21 Apr. 0.0322 0.0285 0.0304
10:01-11:00, Tue., 21 Apr. 0.0324 0.0277 0.0305
09:01-10:00, Tue., 21 Apr. 0.0322 0.0283 0.0303
08:01-09:00, Tue., 21 Apr. 0.0326 0.0282 0.0302
07:01-08:00, Tue., 21 Apr. 0.0326 0.0275 0.0302
06:01-07:00, Tue., 21 Apr. 0.0314 0.0277 0.0295
05:01-06:00, Tue., 21 Apr. 0.0315 0.0280 0.0294
04:01-05:00, Tue., 21 Apr. 0.0318 0.0277 0.0299
03:01-04:00, Tue., 21 Apr. 0.0324 0.0278 0.0300
02:01-03:00, Tue., 21 Apr. 0.0312 0.0269 0.0293
01:01-02:00, Tue., 21 Apr. 0.0310 0.0274 0.0293
00:01-01:00, Tue., 21 Apr. 0.0313 0.0275 0.0294
23:01-24:00, Mon., 20 Apr. 0.0311 0.0281 0.0295
22:01-23:00, Mon., 20 Apr. 0.0329 0.0284 0.0304
21:01-22:00, Mon., 20 Apr. 0.0337 0.0295 0.0317
20:01-21:00, Mon., 20 Apr. 0.0343 0.0287 0.0313
19:01-20:00, Mon., 20 Apr. 0.0330 0.0291 0.0307
18:01-19:00, Mon., 20 Apr. 0.0340 0.0297 0.0316
17:01-18:00, Mon., 20 Apr. 0.0339 0.0299 0.0321
16:01-17:00, Mon., 20 Apr. 0.0334 0.0297 0.0318
15:01-16:00, Mon., 20 Apr. 0.0331 0.0292 0.0314
14:01-15:00, Mon., 20 Apr. 0.0340 0.0294 0.0318
13:01-14:00, Mon., 20 Apr. 0.0347 0.0304 0.0324
12:01-13:00, Mon., 20 Apr. 0.0340 0.0300 0.0319
11:01-12:00, Mon., 20 Apr. 0.0366 0.0313 0.0342
10:01-11:00, Mon., 20 Apr. 0.0361 0.0312 0.0335
09:01-10:00, Mon., 20 Apr. 0.0341 0.0286 0.0311
08:01-09:00, Mon., 20 Apr. 0.0331 0.0286 0.0306
07:01-08:00, Mon., 20 Apr. 0.0318 0.0292 0.0304
06:01-07:00, Mon., 20 Apr. 0.0324 0.0286 0.0306
05:01-06:00, Mon., 20 Apr. 0.0323 0.0279 0.0304
04:01-05:00, Mon., 20 Apr. 0.0323 0.0287 0.0304
03:01-04:00, Mon., 20 Apr. 0.0329 0.0290 0.0309
02:01-03:00, Mon., 20 Apr. 0.0331 0.0287 0.0311
01:01-02:00, Mon., 20 Apr. 0.0337 0.0287 0.0311
00:01-01:00, Mon., 20 Apr. 0.0334 0.0287 0.0310