| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.55 | 3.68 | -0.13 |
| Feb | 3.63 | 3.81 | -0.18 |
| Mar | 4.65 | 4.70 | -0.05 |
| Apr | 5.31 | 5.29 | 0.02 |
| May | 5.12 | 5.18 | -0.06 |
| Jun | 3.47 | 3.45 | 0.02 |
| Jul | 3.82 | 3.76 | 0.06 |
| Aug | 3.85 | 3.69 | 0.16 |
| Sep | 3.55 | 3.48 | 0.07 |
| Oct | 3.68 | 3.88 | -0.20 |
| Nov | 4.71 | 4.67 | 0.04 |
| Dec | 4.43 | 4.42 | 0.01 |
49.77 | 50.01 | -0.24 |