| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.17 | 3.18 | -0.01 |
| Feb | 3.02 | 3.07 | -0.05 |
| Mar | 4.30 | 4.23 | 0.07 |
| Apr | 5.37 | 5.21 | 0.16 |
| May | 5.07 | 5.03 | 0.04 |
| Jun | 4.43 | 4.38 | 0.05 |
| Jul | 3.87 | 3.78 | 0.09 |
| Aug | 3.17 | 3.04 | 0.13 |
| Sep | 3.26 | 3.15 | 0.11 |
| Oct | 3.53 | 3.48 | 0.05 |
| Nov | 4.08 | 4.09 | -0.01 |
| Dec | 3.43 | 3.52 | -0.09 |
46.70 | 46.16 | 0.54 |