Measurement results by the hour (Chofu) 3 Apr., 2017 - 9 Apr., 2017

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., 09 Apr. 0.0305 0.0259 0.0284
22:01-23:00, Sun., 09 Apr. 0.0313 0.0271 0.0287
21:01-22:00, Sun., 09 Apr. 0.0309 0.0272 0.0290
20:01-21:00, Sun., 09 Apr. 0.0308 0.0268 0.0288
19:01-20:00, Sun., 09 Apr. 0.0306 0.0272 0.0288
18:01-19:00, Sun., 09 Apr. 0.0306 0.0267 0.0288
17:01-18:00, Sun., 09 Apr. 0.0307 0.0276 0.0291
16:01-17:00, Sun., 09 Apr. 0.0321 0.0273 0.0296
15:01-16:00, Sun., 09 Apr. 0.0352 0.0298 0.0320
14:01-15:00, Sun., 09 Apr. 0.0438 0.0332 0.0382
13:01-14:00, Sun., 09 Apr. 0.0499 0.0359 0.0421
12:01-13:00, Sun., 09 Apr. 0.0486 0.0393 0.0444
11:01-12:00, Sun., 09 Apr. 0.0406 0.0285 0.0341
10:01-11:00, Sun., 09 Apr. 0.0328 0.0277 0.0309
09:01-10:00, Sun., 09 Apr. 0.0342 0.0301 0.0317
08:01-09:00, Sun., 09 Apr. 0.0362 0.0305 0.0337
07:01-08:00, Sun., 09 Apr. 0.0363 0.0283 0.0312
06:01-07:00, Sun., 09 Apr. 0.0319 0.0271 0.0292
05:01-06:00, Sun., 09 Apr. 0.0309 0.0272 0.0292
04:01-05:00, Sun., 09 Apr. 0.0308 0.0277 0.0293
03:01-04:00, Sun., 09 Apr. 0.0317 0.0281 0.0296
02:01-03:00, Sun., 09 Apr. 0.0322 0.0276 0.0299
01:01-02:00, Sun., 09 Apr. 0.0302 0.0272 0.0290
00:01-01:00, Sun., 09 Apr. 0.0312 0.0271 0.0288
23:01-24:00, Sat., 08 Apr. 0.0306 0.0271 0.0288
22:01-23:00, Sat., 08 Apr. 0.0316 0.0271 0.0288
21:01-22:00, Sat., 08 Apr. 0.0304 0.0266 0.0287
20:01-21:00, Sat., 08 Apr. 0.0305 0.0263 0.0284
19:01-20:00, Sat., 08 Apr. 0.0305 0.0264 0.0286
18:01-19:00, Sat., 08 Apr. 0.0306 0.0263 0.0284
17:01-18:00, Sat., 08 Apr. 0.0301 0.0252 0.0281
16:01-17:00, Sat., 08 Apr. 0.0305 0.0262 0.0281
15:01-16:00, Sat., 08 Apr. 0.0305 0.0261 0.0284
14:01-15:00, Sat., 08 Apr. 0.0314 0.0269 0.0289
13:01-14:00, Sat., 08 Apr. 0.0313 0.0267 0.0286
12:01-13:00, Sat., 08 Apr. 0.0316 0.0272 0.0289
11:01-12:00, Sat., 08 Apr. 0.0306 0.0275 0.0292
10:01-11:00, Sat., 08 Apr. 0.0322 0.0270 0.0296
09:01-10:00, Sat., 08 Apr. 0.0353 0.0296 0.0329
08:01-09:00, Sat., 08 Apr. 0.0369 0.0282 0.0330
07:01-08:00, Sat., 08 Apr. 0.0350 0.0304 0.0321
06:01-07:00, Sat., 08 Apr. 0.0341 0.0289 0.0320
05:01-06:00, Sat., 08 Apr. 0.0334 0.0290 0.0315
04:01-05:00, Sat., 08 Apr. 0.0339 0.0289 0.0318
03:01-04:00, Sat., 08 Apr. 0.0322 0.0272 0.0303
02:01-03:00, Sat., 08 Apr. 0.0312 0.0273 0.0292
01:01-02:00, Sat., 08 Apr. 0.0313 0.0265 0.0289
00:01-01:00, Sat., 08 Apr. 0.0307 0.0272 0.0287
23:01-24:00, Fri., 07 Apr. 0.0303 0.0268 0.0286
22:01-23:00, Fri., 07 Apr. 0.0296 0.0264 0.0284
21:01-22:00, Fri., 07 Apr. 0.0313 0.0266 0.0283
20:01-21:00, Fri., 07 Apr. 0.0302 0.0268 0.0288
19:01-20:00, Fri., 07 Apr. 0.0310 0.0262 0.0284
18:01-19:00, Fri., 07 Apr. 0.0301 0.0268 0.0285
17:01-18:00, Fri., 07 Apr. 0.0300 0.0267 0.0284
16:01-17:00, Fri., 07 Apr. 0.0296 0.0270 0.0283
15:01-16:00, Fri., 07 Apr. 0.0309 0.0265 0.0284
14:01-15:00, Fri., 07 Apr. 0.0302 0.0262 0.0286
13:01-14:00, Fri., 07 Apr. 0.0302 0.0265 0.0284
12:01-13:00, Fri., 07 Apr. 0.0304 0.0274 0.0285
11:01-12:00, Fri., 07 Apr. 0.0310 0.0262 0.0282
10:01-11:00, Fri., 07 Apr. 0.0312 0.0265 0.0287
09:01-10:00, Fri., 07 Apr. 0.0312 0.0262 0.0286
08:01-09:00, Fri., 07 Apr. 0.0303 0.0264 0.0285
07:01-08:00, Fri., 07 Apr. 0.0299 0.0263 0.0285
06:01-07:00, Fri., 07 Apr. 0.0310 0.0271 0.0288
05:01-06:00, Fri., 07 Apr. 0.0319 0.0266 0.0295
04:01-05:00, Fri., 07 Apr. 0.0341 0.0287 0.0312
03:01-04:00, Fri., 07 Apr. 0.0349 0.0298 0.0331
02:01-03:00, Fri., 07 Apr. 0.0361 0.0279 0.0316
01:01-02:00, Fri., 07 Apr. 0.0314 0.0269 0.0290
00:01-01:00, Fri., 07 Apr. 0.0301 0.0269 0.0286
23:01-24:00, Thu., 06 Apr. 0.0317 0.0260 0.0287
22:01-23:00, Thu., 06 Apr. 0.0304 0.0258 0.0285
21:01-22:00, Thu., 06 Apr. 0.0307 0.0266 0.0286
20:01-21:00, Thu., 06 Apr. 0.0303 0.0268 0.0284
19:01-20:00, Thu., 06 Apr. 0.0304 0.0268 0.0287
18:01-19:00, Thu., 06 Apr. 0.0306 0.0269 0.0287
17:01-18:00, Thu., 06 Apr. 0.0306 0.0265 0.0284
16:01-17:00, Thu., 06 Apr. 0.0304 0.0258 0.0284
15:01-16:00, Thu., 06 Apr. 0.0307 0.0258 0.0284
14:01-15:00, Thu., 06 Apr. 0.0307 0.0261 0.0285
13:01-14:00, Thu., 06 Apr. 0.0304 0.0260 0.0284
12:01-13:00, Thu., 06 Apr. 0.0304 0.0264 0.0285
11:01-12:00, Thu., 06 Apr. 0.0311 0.0274 0.0289
10:01-11:00, Thu., 06 Apr. 0.0305 0.0266 0.0286
09:01-10:00, Thu., 06 Apr. 0.0305 0.0269 0.0287
08:01-09:00, Thu., 06 Apr. 0.0310 0.0262 0.0287
07:01-08:00, Thu., 06 Apr. 0.0318 0.0271 0.0300
06:01-07:00, Thu., 06 Apr. 0.0324 0.0287 0.0306
05:01-06:00, Thu., 06 Apr. 0.0317 0.0270 0.0299
04:01-05:00, Thu., 06 Apr. 0.0315 0.0276 0.0294
03:01-04:00, Thu., 06 Apr. 0.0312 0.0277 0.0295
02:01-03:00, Thu., 06 Apr. 0.0315 0.0271 0.0292
01:01-02:00, Thu., 06 Apr. 0.0323 0.0278 0.0296
00:01-01:00, Thu., 06 Apr. 0.0317 0.0277 0.0294
23:01-24:00, Wed., 05 Apr. 0.0308 0.0272 0.0294
22:01-23:00, Wed., 05 Apr. 0.0313 0.0264 0.0288
21:01-22:00, Wed., 05 Apr. 0.0307 0.0264 0.0288
20:01-21:00, Wed., 05 Apr. 0.0307 0.0270 0.0287
19:01-20:00, Wed., 05 Apr. 0.0315 0.0267 0.0288
18:01-19:00, Wed., 05 Apr. 0.0304 0.0269 0.0286
17:01-18:00, Wed., 05 Apr. 0.0316 0.0269 0.0287
16:01-17:00, Wed., 05 Apr. 0.0312 0.0269 0.0287
15:01-16:00, Wed., 05 Apr. 0.0315 0.0266 0.0286
14:01-15:00, Wed., 05 Apr. 0.0306 0.0266 0.0288
13:01-14:00, Wed., 05 Apr. 0.0309 0.0266 0.0287
12:01-13:00, Wed., 05 Apr. 0.0314 0.0257 0.0288
11:01-12:00, Wed., 05 Apr. 0.0312 0.0273 0.0292
10:01-11:00, Wed., 05 Apr. 0.0307 0.0277 0.0292
09:01-10:00, Wed., 05 Apr. 0.0318 0.0266 0.0293
08:01-09:00, Wed., 05 Apr. 0.0312 0.0275 0.0295
07:01-08:00, Wed., 05 Apr. 0.0312 0.0274 0.0297
06:01-07:00, Wed., 05 Apr. 0.0314 0.0276 0.0295
05:01-06:00, Wed., 05 Apr. 0.0316 0.0278 0.0295
04:01-05:00, Wed., 05 Apr. 0.0312 0.0275 0.0294
03:01-04:00, Wed., 05 Apr. 0.0320 0.0276 0.0292
02:01-03:00, Wed., 05 Apr. 0.0322 0.0280 0.0300
01:01-02:00, Wed., 05 Apr. 0.0323 0.0269 0.0292
00:01-01:00, Wed., 05 Apr. 0.0311 0.0272 0.0290
23:01-24:00, Tue., 04 Apr. 0.0316 0.0267 0.0290
22:01-23:00, Tue., 04 Apr. 0.0313 0.0266 0.0288
21:01-22:00, Tue., 04 Apr. 0.0311 0.0272 0.0290
20:01-21:00, Tue., 04 Apr. 0.0313 0.0266 0.0289
19:01-20:00, Tue., 04 Apr. 0.0312 0.0271 0.0291
18:01-19:00, Tue., 04 Apr. 0.0315 0.0272 0.0289
17:01-18:00, Tue., 04 Apr. 0.0308 0.0274 0.0291
16:01-17:00, Tue., 04 Apr. 0.0315 0.0269 0.0290
15:01-16:00, Tue., 04 Apr. 0.0309 0.0268 0.0291
14:01-15:00, Tue., 04 Apr. 0.0311 0.0274 0.0293
13:01-14:00, Tue., 04 Apr. 0.0309 0.0277 0.0291
12:01-13:00, Tue., 04 Apr. 0.0311 0.0278 0.0292
11:01-12:00, Tue., 04 Apr. 0.0310 0.0271 0.0293
10:01-11:00, Tue., 04 Apr. 0.0319 0.0275 0.0295
09:01-10:00, Tue., 04 Apr. 0.0319 0.0272 0.0293
08:01-09:00, Tue., 04 Apr. 0.0315 0.0267 0.0293
07:01-08:00, Tue., 04 Apr. 0.0317 0.0268 0.0296
06:01-07:00, Tue., 04 Apr. 0.0315 0.0275 0.0294
05:01-06:00, Tue., 04 Apr. 0.0315 0.0270 0.0292
04:01-05:00, Tue., 04 Apr. 0.0314 0.0273 0.0293
03:01-04:00, Tue., 04 Apr. 0.0315 0.0273 0.0291
02:01-03:00, Tue., 04 Apr. 0.0310 0.0269 0.0290
01:01-02:00, Tue., 04 Apr. 0.0312 0.0265 0.0288
00:01-01:00, Tue., 04 Apr. 0.0309 0.0275 0.0289
23:01-24:00, Mon., 03 Apr. 0.0314 0.0269 0.0290
22:01-23:00, Mon., 03 Apr. 0.0324 0.0277 0.0293
21:01-22:00, Mon., 03 Apr. 0.0317 0.0277 0.0296
20:01-21:00, Mon., 03 Apr. 0.0331 0.0282 0.0304
19:01-20:00, Mon., 03 Apr. 0.0407 0.0313 0.0348
18:01-19:00, Mon., 03 Apr. 0.0497 0.0383 0.0445
17:01-18:00, Mon., 03 Apr. 0.0431 0.0291 0.0342
16:01-17:00, Mon., 03 Apr. 0.0310 0.0273 0.0287
15:01-16:00, Mon., 03 Apr. 0.0305 0.0264 0.0285
14:01-15:00, Mon., 03 Apr. 0.0309 0.0268 0.0288
13:01-14:00, Mon., 03 Apr. 0.0310 0.0266 0.0287
12:01-13:00, Mon., 03 Apr. 0.0312 0.0269 0.0289
11:01-12:00, Mon., 03 Apr. 0.0308 0.0269 0.0284
10:01-11:00, Mon., 03 Apr. 0.0306 0.0270 0.0288
09:01-10:00, Mon., 03 Apr. 0.0303 0.0269 0.0287
08:01-09:00, Mon., 03 Apr. 0.0306 0.0272 0.0290
07:01-08:00, Mon., 03 Apr. 0.0303 0.0269 0.0288
06:01-07:00, Mon., 03 Apr. 0.0309 0.0260 0.0290
05:01-06:00, Mon., 03 Apr. 0.0305 0.0268 0.0289
04:01-05:00, Mon., 03 Apr. 0.0303 0.0273 0.0289
03:01-04:00, Mon., 03 Apr. 0.0315 0.0268 0.0286
02:01-03:00, Mon., 03 Apr. 0.0312 0.0262 0.0286
01:01-02:00, Mon., 03 Apr. 0.0302 0.0269 0.0284
00:01-01:00, Mon., 03 Apr. 0.0306 0.0267 0.0286