Measurement results by the hour (Chofu) 4 Apr., 2016 - 10 Apr., 2016

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., 10 Apr. 0.0318 0.0276 0.0292
22:01-23:00, Sun., 10 Apr. 0.0324 0.0273 0.0295
21:01-22:00, Sun., 10 Apr. 0.0321 0.0272 0.0297
20:01-21:00, Sun., 10 Apr. 0.0316 0.0269 0.0295
19:01-20:00, Sun., 10 Apr. 0.0316 0.0279 0.0293
18:01-19:00, Sun., 10 Apr. 0.0309 0.0277 0.0294
17:01-18:00, Sun., 10 Apr. 0.0317 0.0276 0.0297
16:01-17:00, Sun., 10 Apr. 0.0317 0.0277 0.0295
15:01-16:00, Sun., 10 Apr. 0.0322 0.0269 0.0295
14:01-15:00, Sun., 10 Apr. 0.0312 0.0277 0.0295
13:01-14:00, Sun., 10 Apr. 0.0313 0.0275 0.0295
12:01-13:00, Sun., 10 Apr. 0.0309 0.0272 0.0292
11:01-12:00, Sun., 10 Apr. 0.0309 0.0275 0.0294
10:01-11:00, Sun., 10 Apr. 0.0319 0.0276 0.0299
09:01-10:00, Sun., 10 Apr. 0.0316 0.0285 0.0303
08:01-09:00, Sun., 10 Apr. 0.0336 0.0292 0.0307
07:01-08:00, Sun., 10 Apr. 0.0332 0.0290 0.0309
06:01-07:00, Sun., 10 Apr. 0.0335 0.0290 0.0314
05:01-06:00, Sun., 10 Apr. 0.0326 0.0289 0.0307
04:01-05:00, Sun., 10 Apr. 0.0321 0.0288 0.0307
03:01-04:00, Sun., 10 Apr. 0.0339 0.0283 0.0305
02:01-03:00, Sun., 10 Apr. 0.0327 0.0278 0.0303
01:01-02:00, Sun., 10 Apr. 0.0315 0.0280 0.0297
00:01-01:00, Sun., 10 Apr. 0.0328 0.0272 0.0297
23:01-24:00, Sat., 09 Apr. 0.0316 0.0282 0.0297
22:01-23:00, Sat., 09 Apr. 0.0317 0.0275 0.0296
21:01-22:00, Sat., 09 Apr. 0.0314 0.0274 0.0294
20:01-21:00, Sat., 09 Apr. 0.0317 0.0274 0.0293
19:01-20:00, Sat., 09 Apr. 0.0312 0.0269 0.0290
18:01-19:00, Sat., 09 Apr. 0.0308 0.0257 0.0290
17:01-18:00, Sat., 09 Apr. 0.0314 0.0265 0.0289
16:01-17:00, Sat., 09 Apr. 0.0299 0.0265 0.0286
15:01-16:00, Sat., 09 Apr. 0.0318 0.0270 0.0289
14:01-15:00, Sat., 09 Apr. 0.0310 0.0265 0.0290
13:01-14:00, Sat., 09 Apr. 0.0306 0.0269 0.0289
12:01-13:00, Sat., 09 Apr. 0.0307 0.0276 0.0291
11:01-12:00, Sat., 09 Apr. 0.0308 0.0271 0.0288
10:01-11:00, Sat., 09 Apr. 0.0311 0.0269 0.0291
09:01-10:00, Sat., 09 Apr. 0.0311 0.0275 0.0295
08:01-09:00, Sat., 09 Apr. 0.0307 0.0268 0.0295
07:01-08:00, Sat., 09 Apr. 0.0316 0.0280 0.0299
06:01-07:00, Sat., 09 Apr. 0.0317 0.0278 0.0297
05:01-06:00, Sat., 09 Apr. 0.0312 0.0281 0.0296
04:01-05:00, Sat., 09 Apr. 0.0316 0.0274 0.0292
03:01-04:00, Sat., 09 Apr. 0.0311 0.0280 0.0294
02:01-03:00, Sat., 09 Apr. 0.0311 0.0266 0.0290
01:01-02:00, Sat., 09 Apr. 0.0312 0.0271 0.0292
00:01-01:00, Sat., 09 Apr. 0.0306 0.0275 0.0293
23:01-24:00, Fri., 08 Apr. 0.0307 0.0259 0.0288
22:01-23:00, Fri., 08 Apr. 0.0305 0.0270 0.0290
21:01-22:00, Fri., 08 Apr. 0.0307 0.0271 0.0287
20:01-21:00, Fri., 08 Apr. 0.0309 0.0271 0.0289
19:01-20:00, Fri., 08 Apr. 0.0311 0.0276 0.0290
18:01-19:00, Fri., 08 Apr. 0.0310 0.0264 0.0289
17:01-18:00, Fri., 08 Apr. 0.0319 0.0268 0.0288
16:01-17:00, Fri., 08 Apr. 0.0306 0.0267 0.0287
15:01-16:00, Fri., 08 Apr. 0.0311 0.0266 0.0288
14:01-15:00, Fri., 08 Apr. 0.0304 0.0261 0.0286
13:01-14:00, Fri., 08 Apr. 0.0316 0.0268 0.0288
12:01-13:00, Fri., 08 Apr. 0.0309 0.0267 0.0291
11:01-12:00, Fri., 08 Apr. 0.0307 0.0275 0.0289
10:01-11:00, Fri., 08 Apr. 0.0307 0.0276 0.0291
09:01-10:00, Fri., 08 Apr. 0.0310 0.0273 0.0291
08:01-09:00, Fri., 08 Apr. 0.0314 0.0269 0.0291
07:01-08:00, Fri., 08 Apr. 0.0312 0.0277 0.0294
06:01-07:00, Fri., 08 Apr. 0.0312 0.0268 0.0294
05:01-06:00, Fri., 08 Apr. 0.0313 0.0279 0.0293
04:01-05:00, Fri., 08 Apr. 0.0317 0.0277 0.0293
03:01-04:00, Fri., 08 Apr. 0.0312 0.0272 0.0294
02:01-03:00, Fri., 08 Apr. 0.0315 0.0275 0.0296
01:01-02:00, Fri., 08 Apr. 0.0315 0.0273 0.0294
00:01-01:00, Fri., 08 Apr. 0.0321 0.0280 0.0297
23:01-24:00, Thu., 07 Apr. 0.0312 0.0278 0.0293
22:01-23:00, Thu., 07 Apr. 0.0311 0.0276 0.0291
21:01-22:00, Thu., 07 Apr. 0.0319 0.0275 0.0292
20:01-21:00, Thu., 07 Apr. 0.0328 0.0271 0.0291
19:01-20:00, Thu., 07 Apr. 0.0311 0.0270 0.0290
18:01-19:00, Thu., 07 Apr. 0.0307 0.0257 0.0290
17:01-18:00, Thu., 07 Apr. 0.0328 0.0271 0.0305
16:01-17:00, Thu., 07 Apr. 0.0357 0.0308 0.0332
15:01-16:00, Thu., 07 Apr. 0.0396 0.0336 0.0365
14:01-15:00, Thu., 07 Apr. 0.0468 0.0366 0.0410
13:01-14:00, Thu., 07 Apr. 0.0458 0.0376 0.0414
12:01-13:00, Thu., 07 Apr. 0.0442 0.0384 0.0412
11:01-12:00, Thu., 07 Apr. 0.0467 0.0396 0.0425
10:01-11:00, Thu., 07 Apr. 0.0495 0.0407 0.0461
09:01-10:00, Thu., 07 Apr. 0.0508 0.0448 0.0476
08:01-09:00, Thu., 07 Apr. 0.0509 0.0424 0.0461
07:01-08:00, Thu., 07 Apr. 0.0485 0.0336 0.0421
06:01-07:00, Thu., 07 Apr. 0.0350 0.0291 0.0320
05:01-06:00, Thu., 07 Apr. 0.0322 0.0280 0.0301
04:01-05:00, Thu., 07 Apr. 0.0323 0.0276 0.0300
03:01-04:00, Thu., 07 Apr. 0.0326 0.0274 0.0297
02:01-03:00, Thu., 07 Apr. 0.0310 0.0271 0.0290
01:01-02:00, Thu., 07 Apr. 0.0305 0.0269 0.0289
00:01-01:00, Thu., 07 Apr. 0.0318 0.0275 0.0294
23:01-24:00, Wed., 06 Apr. 0.0312 0.0268 0.0290
22:01-23:00, Wed., 06 Apr. 0.0309 0.0268 0.0289
21:01-22:00, Wed., 06 Apr. 0.0323 0.0268 0.0292
20:01-21:00, Wed., 06 Apr. 0.0310 0.0273 0.0290
19:01-20:00, Wed., 06 Apr. 0.0314 0.0273 0.0291
18:01-19:00, Wed., 06 Apr. 0.0315 0.0274 0.0290
17:01-18:00, Wed., 06 Apr. 0.0310 0.0266 0.0290
16:01-17:00, Wed., 06 Apr. 0.0309 0.0263 0.0290
15:01-16:00, Wed., 06 Apr. 0.0310 0.0274 0.0290
14:01-15:00, Wed., 06 Apr. 0.0309 0.0272 0.0289
13:01-14:00, Wed., 06 Apr. 0.0315 0.0267 0.0289
12:01-13:00, Wed., 06 Apr. 0.0312 0.0276 0.0293
11:01-12:00, Wed., 06 Apr. 0.0309 0.0275 0.0293
10:01-11:00, Wed., 06 Apr. 0.0321 0.0278 0.0299
09:01-10:00, Wed., 06 Apr. 0.0322 0.0284 0.0306
08:01-09:00, Wed., 06 Apr. 0.0331 0.0286 0.0310
07:01-08:00, Wed., 06 Apr. 0.0330 0.0288 0.0312
06:01-07:00, Wed., 06 Apr. 0.0328 0.0292 0.0309
05:01-06:00, Wed., 06 Apr. 0.0324 0.0284 0.0305
04:01-05:00, Wed., 06 Apr. 0.0328 0.0289 0.0308
03:01-04:00, Wed., 06 Apr. 0.0324 0.0275 0.0303
02:01-03:00, Wed., 06 Apr. 0.0331 0.0280 0.0302
01:01-02:00, Wed., 06 Apr. 0.0318 0.0281 0.0298
00:01-01:00, Wed., 06 Apr. 0.0311 0.0282 0.0296
23:01-24:00, Tue., 05 Apr. 0.0309 0.0269 0.0290
22:01-23:00, Tue., 05 Apr. 0.0307 0.0273 0.0290
21:01-22:00, Tue., 05 Apr. 0.0308 0.0275 0.0289
20:01-21:00, Tue., 05 Apr. 0.0306 0.0275 0.0290
19:01-20:00, Tue., 05 Apr. 0.0318 0.0267 0.0288
18:01-19:00, Tue., 05 Apr. 0.0304 0.0267 0.0288
17:01-18:00, Tue., 05 Apr. 0.0309 0.0275 0.0289
16:01-17:00, Tue., 05 Apr. 0.0312 0.0273 0.0291
15:01-16:00, Tue., 05 Apr. 0.0312 0.0267 0.0289
14:01-15:00, Tue., 05 Apr. 0.0307 0.0269 0.0286
13:01-14:00, Tue., 05 Apr. 0.0305 0.0265 0.0289
12:01-13:00, Tue., 05 Apr. 0.0312 0.0270 0.0289
11:01-12:00, Tue., 05 Apr. 0.0315 0.0271 0.0293
10:01-11:00, Tue., 05 Apr. 0.0327 0.0286 0.0307
09:01-10:00, Tue., 05 Apr. 0.0346 0.0305 0.0327
08:01-09:00, Tue., 05 Apr. 0.0399 0.0328 0.0358
07:01-08:00, Tue., 05 Apr. 0.0396 0.0342 0.0368
06:01-07:00, Tue., 05 Apr. 0.0372 0.0338 0.0356
05:01-06:00, Tue., 05 Apr. 0.0388 0.0330 0.0361
04:01-05:00, Tue., 05 Apr. 0.0373 0.0321 0.0340
03:01-04:00, Tue., 05 Apr. 0.0367 0.0320 0.0342
02:01-03:00, Tue., 05 Apr. 0.0368 0.0327 0.0349
01:01-02:00, Tue., 05 Apr. 0.0368 0.0294 0.0321
00:01-01:00, Tue., 05 Apr. 0.0334 0.0291 0.0307
23:01-24:00, Mon., 04 Apr. 0.0360 0.0297 0.0336
22:01-23:00, Mon., 04 Apr. 0.0366 0.0301 0.0334
21:01-22:00, Mon., 04 Apr. 0.0327 0.0272 0.0303
20:01-21:00, Mon., 04 Apr. 0.0302 0.0273 0.0287
19:01-20:00, Mon., 04 Apr. 0.0303 0.0266 0.0286
18:01-19:00, Mon., 04 Apr. 0.0304 0.0271 0.0286
17:01-18:00, Mon., 04 Apr. 0.0304 0.0263 0.0285
16:01-17:00, Mon., 04 Apr. 0.0304 0.0267 0.0287
15:01-16:00, Mon., 04 Apr. 0.0301 0.0267 0.0283
14:01-15:00, Mon., 04 Apr. 0.0300 0.0264 0.0285
13:01-14:00, Mon., 04 Apr. 0.0303 0.0268 0.0288
12:01-13:00, Mon., 04 Apr. 0.0322 0.0276 0.0298
11:01-12:00, Mon., 04 Apr. 0.0391 0.0304 0.0338
10:01-11:00, Mon., 04 Apr. 0.0451 0.0361 0.0397
09:01-10:00, Mon., 04 Apr. 0.0406 0.0318 0.0359
08:01-09:00, Mon., 04 Apr. 0.0412 0.0335 0.0361
07:01-08:00, Mon., 04 Apr. 0.0394 0.0334 0.0358
06:01-07:00, Mon., 04 Apr. 0.0367 0.0306 0.0333
05:01-06:00, Mon., 04 Apr. 0.0344 0.0303 0.0326
04:01-05:00, Mon., 04 Apr. 0.0355 0.0306 0.0329
03:01-04:00, Mon., 04 Apr. 0.0360 0.0318 0.0337
02:01-03:00, Mon., 04 Apr. 0.0359 0.0278 0.0319
01:01-02:00, Mon., 04 Apr. 0.0314 0.0275 0.0290
00:01-01:00, Mon., 04 Apr. 0.0310 0.0274 0.0291