| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.32 | 3.44 | -0.12 |
| Feb | 2.69 | 2.76 | -0.07 |
| Mar | 3.76 | 3.81 | -0.05 |
| Apr | 4.55 | 4.79 | -0.24 |
| May | 4.97 | 5.06 | -0.09 |
| Jun | 4.85 | 4.90 | -0.05 |
| Jul | 4.34 | 4.07 | 0.27 |
| Aug | 3.42 | 3.42 | 0.00 |
| Sep | 3.08 | 3.06 | 0.02 |
| Oct | 3.46 | 3.30 | 0.16 |
| Nov | 3.34 | 3.40 | -0.06 |
| Dec | 3.51 | 3.61 | -0.10 |
45.29 | 45.62 | -0.33 |