| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.50 | 3.68 | -0.18 |
| Feb | 2.92 | 2.99 | -0.07 |
| Mar | 4.20 | 4.20 | 0.00 |
| Apr | 3.70 | 3.73 | -0.03 |
| May | 3.70 | 3.84 | -0.14 |
| Jun | 4.37 | 4.29 | 0.08 |
| Jul | 4.65 | 4.62 | 0.03 |
| Aug | 4.53 | 4.43 | 0.10 |
| Sep | 4.81 | 5.14 | -0.33 |
| Oct | 3.51 | 3.48 | 0.03 |
| Nov | 3.33 | 3.35 | -0.02 |
| Dec | 3.57 | 3.57 | 0.00 |
46.79 | 47.32 | -0.53 |