Measurement results by the hour (Chofu) 15 Oct., 2018 - 21 Oct., 2018

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., 21 Oct. 0.0317 0.0272 0.0296
22:01-23:00, Sun., 21 Oct. 0.0311 0.0270 0.0292
21:01-22:00, Sun., 21 Oct. 0.0310 0.0266 0.0290
20:01-21:00, Sun., 21 Oct. 0.0312 0.0267 0.0285
19:01-20:00, Sun., 21 Oct. 0.0299 0.0264 0.0282
18:01-19:00, Sun., 21 Oct. 0.0303 0.0262 0.0281
17:01-18:00, Sun., 21 Oct. 0.0307 0.0256 0.0278
16:01-17:00, Sun., 21 Oct. 0.0306 0.0262 0.0279
15:01-16:00, Sun., 21 Oct. 0.0294 0.0266 0.0277
14:01-15:00, Sun., 21 Oct. 0.0294 0.0253 0.0277
13:01-14:00, Sun., 21 Oct. 0.0294 0.0261 0.0277
12:01-13:00, Sun., 21 Oct. 0.0298 0.0264 0.0279
11:01-12:00, Sun., 21 Oct. 0.0304 0.0266 0.0283
10:01-11:00, Sun., 21 Oct. 0.0307 0.0261 0.0285
09:01-10:00, Sun., 21 Oct. 0.0303 0.0272 0.0286
08:01-09:00, Sun., 21 Oct. 0.0300 0.0265 0.0284
07:01-08:00, Sun., 21 Oct. 0.0309 0.0270 0.0285
06:01-07:00, Sun., 21 Oct. 0.0300 0.0269 0.0285
05:01-06:00, Sun., 21 Oct. 0.0298 0.0258 0.0282
04:01-05:00, Sun., 21 Oct. 0.0306 0.0267 0.0282
03:01-04:00, Sun., 21 Oct. 0.0294 0.0260 0.0280
02:01-03:00, Sun., 21 Oct. 0.0311 0.0263 0.0282
01:01-02:00, Sun., 21 Oct. 0.0296 0.0266 0.0280
00:01-01:00, Sun., 21 Oct. 0.0316 0.0261 0.0281
23:01-24:00, Sat., 20 Oct. 0.0302 0.0264 0.0281
22:01-23:00, Sat., 20 Oct. 0.0304 0.0255 0.0282
21:01-22:00, Sat., 20 Oct. 0.0315 0.0263 0.0292
20:01-21:00, Sat., 20 Oct. 0.0360 0.0278 0.0321
19:01-20:00, Sat., 20 Oct. 0.0468 0.0345 0.0401
18:01-19:00, Sat., 20 Oct. 0.0623 0.0427 0.0524
16:01-17:00, Sat., 20 Oct. 0.0592 0.0278 0.0452
15:01-16:00, Sat., 20 Oct. 0.0308 0.0266 0.0284
14:01-15:00, Sat., 20 Oct. 0.0301 0.0268 0.0286
13:01-14:00, Sat., 20 Oct. 0.0308 0.0262 0.0285
12:01-13:00, Sat., 20 Oct. 0.0306 0.0263 0.0286
11:01-12:00, Sat., 20 Oct. 0.0301 0.0271 0.0283
10:01-11:00, Sat., 20 Oct. 0.0304 0.0270 0.0287
09:01-10:00, Sat., 20 Oct. 0.0310 0.0273 0.0293
08:01-09:00, Sat., 20 Oct. 0.0311 0.0283 0.0295
07:01-08:00, Sat., 20 Oct. 0.0314 0.0278 0.0297
06:01-07:00, Sat., 20 Oct. 0.0320 0.0276 0.0296
05:01-06:00, Sat., 20 Oct. 0.0313 0.0283 0.0299
04:01-05:00, Sat., 20 Oct. 0.0318 0.0282 0.0300
03:01-04:00, Sat., 20 Oct. 0.0314 0.0274 0.0294
02:01-03:00, Sat., 20 Oct. 0.0309 0.0273 0.0290
01:01-02:00, Sat., 20 Oct. 0.0309 0.0275 0.0291
00:01-01:00, Sat., 20 Oct. 0.0312 0.0278 0.0293
23:01-24:00, Fri., 19 Oct. 0.0311 0.0273 0.0292
22:01-23:00, Fri., 19 Oct. 0.0316 0.0273 0.0289
21:01-22:00, Fri., 19 Oct. 0.0313 0.0261 0.0289
20:01-21:00, Fri., 19 Oct. 0.0320 0.0275 0.0297
19:01-20:00, Fri., 19 Oct. 0.0335 0.0288 0.0305
18:01-19:00, Fri., 19 Oct. 0.0344 0.0294 0.0318
17:01-18:00, Fri., 19 Oct. 0.0371 0.0320 0.0342
16:01-17:00, Fri., 19 Oct. 0.0345 0.0278 0.0311
15:01-16:00, Fri., 19 Oct. 0.0312 0.0274 0.0291
14:01-15:00, Fri., 19 Oct. 0.0316 0.0268 0.0290
13:01-14:00, Fri., 19 Oct. 0.0314 0.0268 0.0290
12:01-13:00, Fri., 19 Oct. 0.0318 0.0274 0.0291
11:01-12:00, Fri., 19 Oct. 0.0313 0.0269 0.0289
10:01-11:00, Fri., 19 Oct. 0.0310 0.0275 0.0291
09:01-10:00, Fri., 19 Oct. 0.0318 0.0265 0.0293
08:01-09:00, Fri., 19 Oct. 0.0322 0.0272 0.0292
07:01-08:00, Fri., 19 Oct. 0.0312 0.0269 0.0294
06:01-07:00, Fri., 19 Oct. 0.0313 0.0277 0.0293
05:01-06:00, Fri., 19 Oct. 0.0324 0.0274 0.0293
04:01-05:00, Fri., 19 Oct. 0.0321 0.0265 0.0294
03:01-04:00, Fri., 19 Oct. 0.0317 0.0273 0.0291
02:01-03:00, Fri., 19 Oct. 0.0315 0.0267 0.0289
01:01-02:00, Fri., 19 Oct. 0.0310 0.0269 0.0288
00:01-01:00, Fri., 19 Oct. 0.0313 0.0267 0.0286
23:01-24:00, Thu., 18 Oct. 0.0305 0.0270 0.0288
22:01-23:00, Thu., 18 Oct. 0.0304 0.0269 0.0286
21:01-22:00, Thu., 18 Oct. 0.0300 0.0265 0.0284
20:01-21:00, Thu., 18 Oct. 0.0309 0.0261 0.0286
19:01-20:00, Thu., 18 Oct. 0.0308 0.0264 0.0286
18:01-19:00, Thu., 18 Oct. 0.0306 0.0263 0.0286
17:01-18:00, Thu., 18 Oct. 0.0302 0.0270 0.0288
16:01-17:00, Thu., 18 Oct. 0.0308 0.0266 0.0286
15:01-16:00, Thu., 18 Oct. 0.0309 0.0266 0.0285
14:01-15:00, Thu., 18 Oct. 0.0302 0.0270 0.0287
13:01-14:00, Thu., 18 Oct. 0.0300 0.0268 0.0283
12:01-13:00, Thu., 18 Oct. 0.0306 0.0272 0.0286
11:01-12:00, Thu., 18 Oct. 0.0316 0.0267 0.0289
10:01-11:00, Thu., 18 Oct. 0.0306 0.0271 0.0289
09:01-10:00, Thu., 18 Oct. 0.0315 0.0272 0.0293
08:01-09:00, Thu., 18 Oct. 0.0315 0.0276 0.0299
07:01-08:00, Thu., 18 Oct. 0.0319 0.0281 0.0300
06:01-07:00, Thu., 18 Oct. 0.0311 0.0274 0.0297
05:01-06:00, Thu., 18 Oct. 0.0317 0.0279 0.0297
04:01-05:00, Thu., 18 Oct. 0.0311 0.0277 0.0291
03:01-04:00, Thu., 18 Oct. 0.0309 0.0265 0.0290
02:01-03:00, Thu., 18 Oct. 0.0309 0.0261 0.0285
01:01-02:00, Thu., 18 Oct. 0.0309 0.0262 0.0285
00:01-01:00, Thu., 18 Oct. 0.0308 0.0259 0.0284
23:01-24:00, Wed., 17 Oct. 0.0314 0.0269 0.0285
22:01-23:00, Wed., 17 Oct. 0.0302 0.0263 0.0283
21:01-22:00, Wed., 17 Oct. 0.0301 0.0267 0.0284
20:01-21:00, Wed., 17 Oct. 0.0308 0.0268 0.0285
19:01-20:00, Wed., 17 Oct. 0.0311 0.0270 0.0288
18:01-19:00, Wed., 17 Oct. 0.0311 0.0267 0.0291
17:01-18:00, Wed., 17 Oct. 0.0307 0.0267 0.0288
16:01-17:00, Wed., 17 Oct. 0.0303 0.0265 0.0285
15:01-16:00, Wed., 17 Oct. 0.0309 0.0257 0.0282
14:01-15:00, Wed., 17 Oct. 0.0304 0.0270 0.0289
13:01-14:00, Wed., 17 Oct. 0.0303 0.0264 0.0285
12:01-13:00, Wed., 17 Oct. 0.0312 0.0264 0.0288
11:01-12:00, Wed., 17 Oct. 0.0308 0.0268 0.0290
10:01-11:00, Wed., 17 Oct. 0.0331 0.0268 0.0291
09:01-10:00, Wed., 17 Oct. 0.0325 0.0276 0.0296
08:01-09:00, Wed., 17 Oct. 0.0327 0.0277 0.0302
07:01-08:00, Wed., 17 Oct. 0.0338 0.0295 0.0312
06:01-07:00, Wed., 17 Oct. 0.0343 0.0293 0.0317
05:01-06:00, Wed., 17 Oct. 0.0370 0.0311 0.0338
04:01-05:00, Wed., 17 Oct. 0.0366 0.0323 0.0344
03:01-04:00, Wed., 17 Oct. 0.0362 0.0314 0.0337
02:01-03:00, Wed., 17 Oct. 0.0341 0.0296 0.0317
01:01-02:00, Wed., 17 Oct. 0.0345 0.0300 0.0320
00:01-01:00, Wed., 17 Oct. 0.0343 0.0290 0.0318
23:01-24:00, Tue., 16 Oct. 0.0326 0.0277 0.0297
22:01-23:00, Tue., 16 Oct. 0.0311 0.0277 0.0294
21:01-22:00, Tue., 16 Oct. 0.0311 0.0268 0.0293
20:01-21:00, Tue., 16 Oct. 0.0310 0.0278 0.0294
19:01-20:00, Tue., 16 Oct. 0.0309 0.0271 0.0291
18:01-19:00, Tue., 16 Oct. 0.0312 0.0271 0.0292
17:01-18:00, Tue., 16 Oct. 0.0313 0.0272 0.0292
16:01-17:00, Tue., 16 Oct. 0.0305 0.0269 0.0289
15:01-16:00, Tue., 16 Oct. 0.0306 0.0267 0.0288
14:01-15:00, Tue., 16 Oct. 0.0310 0.0273 0.0288
13:01-14:00, Tue., 16 Oct. 0.0308 0.0273 0.0291
12:01-13:00, Tue., 16 Oct. 0.0314 0.0272 0.0292
11:01-12:00, Tue., 16 Oct. 0.0316 0.0280 0.0295
10:01-11:00, Tue., 16 Oct. 0.0326 0.0276 0.0301
09:01-10:00, Tue., 16 Oct. 0.0320 0.0279 0.0300
08:01-09:00, Tue., 16 Oct. 0.0331 0.0283 0.0303
07:01-08:00, Tue., 16 Oct. 0.0319 0.0279 0.0300
06:01-07:00, Tue., 16 Oct. 0.0318 0.0276 0.0298
05:01-06:00, Tue., 16 Oct. 0.0322 0.0277 0.0301
04:01-05:00, Tue., 16 Oct. 0.0313 0.0276 0.0294
03:01-04:00, Tue., 16 Oct. 0.0319 0.0272 0.0290
02:01-03:00, Tue., 16 Oct. 0.0316 0.0271 0.0293
01:01-02:00, Tue., 16 Oct. 0.0318 0.0272 0.0293
00:01-01:00, Tue., 16 Oct. 0.0314 0.0278 0.0292
23:01-24:00, Mon., 15 Oct. 0.0314 0.0260 0.0292
22:01-23:00, Mon., 15 Oct. 0.0304 0.0265 0.0288
21:01-22:00, Mon., 15 Oct. 0.0314 0.0277 0.0290
20:01-21:00, Mon., 15 Oct. 0.0323 0.0283 0.0302
19:01-20:00, Mon., 15 Oct. 0.0333 0.0284 0.0314
18:01-19:00, Mon., 15 Oct. 0.0322 0.0279 0.0302
17:01-18:00, Mon., 15 Oct. 0.0315 0.0271 0.0288
16:01-17:00, Mon., 15 Oct. 0.0308 0.0268 0.0285
15:01-16:00, Mon., 15 Oct. 0.0297 0.0263 0.0281
14:01-15:00, Mon., 15 Oct. 0.0305 0.0251 0.0282
13:01-14:00, Mon., 15 Oct. 0.0299 0.0265 0.0285
12:01-13:00, Mon., 15 Oct. 0.0312 0.0262 0.0288
11:01-12:00, Mon., 15 Oct. 0.0306 0.0257 0.0282
10:01-11:00, Mon., 15 Oct. 0.0303 0.0268 0.0285
09:01-10:00, Mon., 15 Oct. 0.0306 0.0272 0.0288
08:01-09:00, Mon., 15 Oct. 0.0311 0.0275 0.0292
07:01-08:00, Mon., 15 Oct. 0.0307 0.0266 0.0291
06:01-07:00, Mon., 15 Oct. 0.0315 0.0266 0.0291
05:01-06:00, Mon., 15 Oct. 0.0311 0.0274 0.0293
04:01-05:00, Mon., 15 Oct. 0.0320 0.0280 0.0298
03:01-04:00, Mon., 15 Oct. 0.0315 0.0269 0.0294
02:01-03:00, Mon., 15 Oct. 0.0311 0.0275 0.0290
01:01-02:00, Mon., 15 Oct. 0.0311 0.0263 0.0286
00:01-01:00, Mon., 15 Oct. 0.0311 0.0272 0.0289