| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.74 | 2.65 | 0.09 |
| Feb | 2.54 | 2.49 | 0.05 |
| Mar | 3.07 | 2.97 | 0.10 |
| Apr | 3.38 | 3.34 | 0.04 |
| May | 3.53 | 3.51 | 0.02 |
| Jun | 4.33 | 4.26 | 0.07 |
| Jul | 4.02 | 4.10 | -0.08 |
| Aug | 3.88 | 3.87 | 0.01 |
| Sep | 3.77 | 3.48 | 0.29 |
| Oct | 3.93 | 4.05 | -0.12 |
| Nov | 2.98 | 2.94 | 0.04 |
| Dec | 3.29 | 3.45 | -0.16 |
41.46 | 41.11 | 0.35 |