Measurement results by the hour (Chofu) 16 Mar., 2015 - 22 Mar., 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., 22 Mar. 0.0326 0.0288 0.0311
22:01-23:00, Sun., 22 Mar. 0.0324 0.0280 0.0306
21:01-22:00, Sun., 22 Mar. 0.0325 0.0289 0.0308
20:01-21:00, Sun., 22 Mar. 0.0339 0.0291 0.0311
19:01-20:00, Sun., 22 Mar. 0.0369 0.0303 0.0329
18:01-19:00, Sun., 22 Mar. 0.0390 0.0297 0.0347
17:01-18:00, Sun., 22 Mar. 0.0327 0.0280 0.0306
16:01-17:00, Sun., 22 Mar. 0.0330 0.0291 0.0307
15:01-16:00, Sun., 22 Mar. 0.0323 0.0275 0.0303
14:01-15:00, Sun., 22 Mar. 0.0331 0.0285 0.0306
13:01-14:00, Sun., 22 Mar. 0.0326 0.0292 0.0306
12:01-13:00, Sun., 22 Mar. 0.0325 0.0283 0.0307
11:01-12:00, Sun., 22 Mar. 0.0322 0.0292 0.0308
10:01-11:00, Sun., 22 Mar. 0.0336 0.0296 0.0310
09:01-10:00, Sun., 22 Mar. 0.0332 0.0285 0.0309
08:01-09:00, Sun., 22 Mar. 0.0341 0.0291 0.0312
07:01-08:00, Sun., 22 Mar. 0.0331 0.0291 0.0315
06:01-07:00, Sun., 22 Mar. 0.0333 0.0292 0.0313
05:01-06:00, Sun., 22 Mar. 0.0336 0.0294 0.0313
04:01-05:00, Sun., 22 Mar. 0.0333 0.0293 0.0314
03:01-04:00, Sun., 22 Mar. 0.0332 0.0291 0.0314
02:01-03:00, Sun., 22 Mar. 0.0325 0.0293 0.0309
01:01-02:00, Sun., 22 Mar. 0.0326 0.0291 0.0308
00:01-01:00, Sun., 22 Mar. 0.0327 0.0292 0.0307
23:01-24:00, Sat., 21 Mar. 0.0325 0.0287 0.0306
22:01-23:00, Sat., 21 Mar. 0.0330 0.0284 0.0307
21:01-22:00, Sat., 21 Mar. 0.0326 0.0287 0.0306
20:01-21:00, Sat., 21 Mar. 0.0333 0.0290 0.0307
19:01-20:00, Sat., 21 Mar. 0.0326 0.0286 0.0306
18:01-19:00, Sat., 21 Mar. 0.0327 0.0286 0.0304
17:01-18:00, Sat., 21 Mar. 0.0320 0.0284 0.0305
16:01-17:00, Sat., 21 Mar. 0.0322 0.0288 0.0307
15:01-16:00, Sat., 21 Mar. 0.0326 0.0287 0.0305
14:01-15:00, Sat., 21 Mar. 0.0320 0.0288 0.0305
13:01-14:00, Sat., 21 Mar. 0.0323 0.0279 0.0307
12:01-13:00, Sat., 21 Mar. 0.0319 0.0278 0.0305
11:01-12:00, Sat., 21 Mar. 0.0329 0.0287 0.0305
10:01-11:00, Sat., 21 Mar. 0.0328 0.0287 0.0306
09:01-10:00, Sat., 21 Mar. 0.0323 0.0281 0.0306
08:01-09:00, Sat., 21 Mar. 0.0323 0.0291 0.0305
07:01-08:00, Sat., 21 Mar. 0.0329 0.0287 0.0308
06:01-07:00, Sat., 21 Mar. 0.0334 0.0289 0.0310
05:01-06:00, Sat., 21 Mar. 0.0326 0.0287 0.0304
04:01-05:00, Sat., 21 Mar. 0.0317 0.0283 0.0305
03:01-04:00, Sat., 21 Mar. 0.0321 0.0283 0.0302
02:01-03:00, Sat., 21 Mar. 0.0321 0.0276 0.0302
01:01-02:00, Sat., 21 Mar. 0.0325 0.0283 0.0303
00:01-01:00, Sat., 21 Mar. 0.0325 0.0284 0.0302
23:01-24:00, Fri., 20 Mar. 0.0321 0.0284 0.0302
22:01-23:00, Fri., 20 Mar. 0.0326 0.0282 0.0302
21:01-22:00, Fri., 20 Mar. 0.0323 0.0284 0.0302
20:01-21:00, Fri., 20 Mar. 0.0326 0.0286 0.0304
19:01-20:00, Fri., 20 Mar. 0.0323 0.0277 0.0300
18:01-19:00, Fri., 20 Mar. 0.0319 0.0276 0.0300
17:01-18:00, Fri., 20 Mar. 0.0318 0.0285 0.0302
16:01-17:00, Fri., 20 Mar. 0.0319 0.0279 0.0301
15:01-16:00, Fri., 20 Mar. 0.0327 0.0282 0.0301
14:01-15:00, Fri., 20 Mar. 0.0318 0.0282 0.0302
13:01-14:00, Fri., 20 Mar. 0.0324 0.0282 0.0301
12:01-13:00, Fri., 20 Mar. 0.0327 0.0278 0.0301
11:01-12:00, Fri., 20 Mar. 0.0318 0.0284 0.0304
10:01-11:00, Fri., 20 Mar. 0.0325 0.0284 0.0305
09:01-10:00, Fri., 20 Mar. 0.0326 0.0284 0.0307
08:01-09:00, Fri., 20 Mar. 0.0335 0.0291 0.0308
07:01-08:00, Fri., 20 Mar. 0.0332 0.0290 0.0308
06:01-07:00, Fri., 20 Mar. 0.0327 0.0292 0.0308
05:01-06:00, Fri., 20 Mar. 0.0324 0.0290 0.0307
04:01-05:00, Fri., 20 Mar. 0.0321 0.0282 0.0305
03:01-04:00, Fri., 20 Mar. 0.0333 0.0292 0.0307
02:01-03:00, Fri., 20 Mar. 0.0335 0.0287 0.0305
01:01-02:00, Fri., 20 Mar. 0.0323 0.0284 0.0305
00:01-01:00, Fri., 20 Mar. 0.0325 0.0287 0.0308
23:01-24:00, Thu., 19 Mar. 0.0328 0.0291 0.0308
22:01-23:00, Thu., 19 Mar. 0.0326 0.0288 0.0307
21:01-22:00, Thu., 19 Mar. 0.0323 0.0290 0.0308
20:01-21:00, Thu., 19 Mar. 0.0322 0.0293 0.0305
19:01-20:00, Thu., 19 Mar. 0.0335 0.0288 0.0308
18:01-19:00, Thu., 19 Mar. 0.0331 0.0287 0.0310
17:01-18:00, Thu., 19 Mar. 0.0343 0.0299 0.0319
16:01-17:00, Thu., 19 Mar. 0.0386 0.0315 0.0350
15:01-16:00, Thu., 19 Mar. 0.0433 0.0355 0.0389
14:01-15:00, Thu., 19 Mar. 0.0392 0.0322 0.0358
13:01-14:00, Thu., 19 Mar. 0.0339 0.0298 0.0320
12:01-13:00, Thu., 19 Mar. 0.0331 0.0292 0.0307
11:01-12:00, Thu., 19 Mar. 0.0321 0.0284 0.0302
10:01-11:00, Thu., 19 Mar. 0.0324 0.0288 0.0304
09:01-10:00, Thu., 19 Mar. 0.0321 0.0284 0.0305
08:01-09:00, Thu., 19 Mar. 0.0332 0.0290 0.0308
07:01-08:00, Thu., 19 Mar. 0.0325 0.0289 0.0308
06:01-07:00, Thu., 19 Mar. 0.0333 0.0286 0.0309
05:01-06:00, Thu., 19 Mar. 0.0327 0.0290 0.0308
04:01-05:00, Thu., 19 Mar. 0.0337 0.0294 0.0318
03:01-04:00, Thu., 19 Mar. 0.0379 0.0314 0.0345
02:01-03:00, Thu., 19 Mar. 0.0396 0.0344 0.0364
01:01-02:00, Thu., 19 Mar. 0.0406 0.0350 0.0377
00:01-01:00, Thu., 19 Mar. 0.0402 0.0329 0.0367
23:01-24:00, Wed., 18 Mar. 0.0342 0.0292 0.0312
22:01-23:00, Wed., 18 Mar. 0.0327 0.0287 0.0302
21:01-22:00, Wed., 18 Mar. 0.0318 0.0283 0.0304
20:01-21:00, Wed., 18 Mar. 0.0318 0.0284 0.0302
19:01-20:00, Wed., 18 Mar. 0.0327 0.0283 0.0302
18:01-19:00, Wed., 18 Mar. 0.0320 0.0268 0.0301
17:01-18:00, Wed., 18 Mar. 0.0319 0.0273 0.0299
16:01-17:00, Wed., 18 Mar. 0.0317 0.0278 0.0300
15:01-16:00, Wed., 18 Mar. 0.0329 0.0285 0.0301
14:01-15:00, Wed., 18 Mar. 0.0325 0.0284 0.0301
13:01-14:00, Wed., 18 Mar. 0.0321 0.0290 0.0305
12:01-13:00, Wed., 18 Mar. 0.0322 0.0281 0.0302
11:01-12:00, Wed., 18 Mar. 0.0323 0.0286 0.0306
10:01-11:00, Wed., 18 Mar. 0.0326 0.0283 0.0304
09:01-10:00, Wed., 18 Mar. 0.0325 0.0290 0.0310
08:01-09:00, Wed., 18 Mar. 0.0334 0.0296 0.0313
07:01-08:00, Wed., 18 Mar. 0.0334 0.0291 0.0313
06:01-07:00, Wed., 18 Mar. 0.0340 0.0295 0.0317
05:01-06:00, Wed., 18 Mar. 0.0339 0.0298 0.0315
04:01-05:00, Wed., 18 Mar. 0.0329 0.0294 0.0315
03:01-04:00, Wed., 18 Mar. 0.0336 0.0299 0.0313
02:01-03:00, Wed., 18 Mar. 0.0328 0.0291 0.0310
01:01-02:00, Wed., 18 Mar. 0.0326 0.0285 0.0310
00:01-01:00, Wed., 18 Mar. 0.0318 0.0285 0.0304
23:01-24:00, Tue., 17 Mar. 0.0331 0.0285 0.0307
22:01-23:00, Tue., 17 Mar. 0.0320 0.0276 0.0302
21:01-22:00, Tue., 17 Mar. 0.0317 0.0285 0.0303
20:01-21:00, Tue., 17 Mar. 0.0319 0.0274 0.0298
19:01-20:00, Tue., 17 Mar. 0.0318 0.0277 0.0297
18:01-19:00, Tue., 17 Mar. 0.0318 0.0281 0.0298
17:01-18:00, Tue., 17 Mar. 0.0311 0.0278 0.0294
16:01-17:00, Tue., 17 Mar. 0.0322 0.0277 0.0297
15:01-16:00, Tue., 17 Mar. 0.0320 0.0274 0.0295
14:01-15:00, Tue., 17 Mar. 0.0315 0.0275 0.0298
13:01-14:00, Tue., 17 Mar. 0.0314 0.0275 0.0299
12:01-13:00, Tue., 17 Mar. 0.0322 0.0284 0.0301
11:01-12:00, Tue., 17 Mar. 0.0323 0.0286 0.0305
10:01-11:00, Tue., 17 Mar. 0.0325 0.0287 0.0308
09:01-10:00, Tue., 17 Mar. 0.0335 0.0295 0.0313
08:01-09:00, Tue., 17 Mar. 0.0346 0.0297 0.0317
07:01-08:00, Tue., 17 Mar. 0.0345 0.0302 0.0319
06:01-07:00, Tue., 17 Mar. 0.0341 0.0297 0.0316
05:01-06:00, Tue., 17 Mar. 0.0323 0.0290 0.0308
04:01-05:00, Tue., 17 Mar. 0.0336 0.0290 0.0313
03:01-04:00, Tue., 17 Mar. 0.0343 0.0297 0.0317
02:01-03:00, Tue., 17 Mar. 0.0356 0.0307 0.0330
01:01-02:00, Tue., 17 Mar. 0.0387 0.0321 0.0346
00:01-01:00, Tue., 17 Mar. 0.0373 0.0318 0.0346
23:01-24:00, Mon., 16 Mar. 0.0420 0.0344 0.0374
22:01-23:00, Mon., 16 Mar. 0.0437 0.0362 0.0400
21:01-22:00, Mon., 16 Mar. 0.0423 0.0341 0.0382
20:01-21:00, Mon., 16 Mar. 0.0409 0.0347 0.0370
19:01-20:00, Mon., 16 Mar. 0.0416 0.0355 0.0382
18:01-19:00, Mon., 16 Mar. 0.0431 0.0361 0.0387
17:01-18:00, Mon., 16 Mar. 0.0400 0.0310 0.0345
16:01-17:00, Mon., 16 Mar. 0.0336 0.0291 0.0311
15:01-16:00, Mon., 16 Mar. 0.0336 0.0290 0.0310
14:01-15:00, Mon., 16 Mar. 0.0337 0.0297 0.0314
13:01-14:00, Mon., 16 Mar. 0.0336 0.0295 0.0314
12:01-13:00, Mon., 16 Mar. 0.0332 0.0293 0.0312
11:01-12:00, Mon., 16 Mar. 0.0334 0.0295 0.0316
10:01-11:00, Mon., 16 Mar. 0.0342 0.0301 0.0319
09:01-10:00, Mon., 16 Mar. 0.0340 0.0298 0.0321
08:01-09:00, Mon., 16 Mar. 0.0347 0.0300 0.0323
07:01-08:00, Mon., 16 Mar. 0.0348 0.0310 0.0327
06:01-07:00, Mon., 16 Mar. 0.0354 0.0305 0.0329
05:01-06:00, Mon., 16 Mar. 0.0365 0.0310 0.0329
04:01-05:00, Mon., 16 Mar. 0.0348 0.0301 0.0324
03:01-04:00, Mon., 16 Mar. 0.0342 0.0303 0.0321
02:01-03:00, Mon., 16 Mar. 0.0333 0.0298 0.0318
01:01-02:00, Mon., 16 Mar. 0.0337 0.0290 0.0313
00:01-01:00, Mon., 16 Mar. 0.0339 0.0294 0.0316