| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.66 | 3.84 | -0.18 |
| Feb | 2.84 | 3.12 | -0.28 |
| Mar | 4.18 | 4.38 | -0.20 |
| Apr | 4.03 | 4.11 | -0.08 |
| May | 4.05 | 4.15 | -0.10 |
| Jun | 4.73 | 4.94 | -0.21 |
| Jul | 4.69 | 4.51 | 0.18 |
| Aug | 4.47 | 4.76 | -0.29 |
| Sep | 4.56 | 4.72 | -0.16 |
| Oct | 4.67 | 4.83 | -0.16 |
| Nov | 3.60 | 3.72 | -0.12 |
| Dec | 4.41 | 4.71 | -0.30 |
49.89 | 51.79 | -1.90 |