| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.56 | 2.54 | 0.02 |
| Feb | 2.13 | 2.12 | 0.01 |
| Mar | 2.95 | 2.87 | 0.08 |
| Apr | 4.34 | 4.46 | -0.12 |
| May | 4.81 | 4.64 | 0.17 |
| Jun | 4.73 | 4.72 | 0.01 |
| Jul | 4.02 | 3.81 | 0.21 |
| Aug | 3.32 | 3.06 | 0.26 |
| Sep | 2.98 | 2.97 | 0.01 |
| Oct | 3.48 | 3.47 | 0.01 |
| Nov | 3.42 | 3.47 | -0.05 |
| Dec | 2.54 | 2.58 | -0.04 |
41.28 | 40.71 | 0.57 |