| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.06 | 2.91 | 0.15 |
| Feb | 2.56 | 2.46 | 0.10 |
| Mar | 3.24 | 3.20 | 0.04 |
| Apr | 3.71 | 3.81 | -0.10 |
| May | 4.03 | 4.16 | -0.13 |
| Jun | 4.73 | 4.91 | -0.18 |
| Jul | 4.68 | 5.09 | -0.41 |
| Aug | 4.40 | 4.54 | -0.14 |
| Sep | 3.74 | 4.04 | -0.30 |
| Oct | 4.62 | 4.54 | 0.08 |
| Nov | 3.37 | 3.29 | 0.08 |
| Dec | 3.74 | 3.65 | 0.09 |
45.88 | 46.60 | -0.72 |