| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.44 | 3.49 | -0.05 |
| Feb | 2.89 | 3.12 | -0.23 |
| Mar | 3.70 | 3.90 | -0.20 |
| Apr | 3.75 | 3.85 | -0.10 |
| May | 3.83 | 3.76 | 0.07 |
| Jun | 4.63 | 4.53 | 0.10 |
| Jul | 4.40 | 4.60 | -0.20 |
| Aug | 4.44 | 4.56 | -0.12 |
| Sep | 4.72 | 4.71 | 0.01 |
| Oct | 4.64 | 4.80 | -0.16 |
| Nov | 3.62 | 3.55 | 0.07 |
| Dec | 4.24 | 4.46 | -0.22 |
48.30 | 49.33 | -1.03 |