| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.24 | 4.39 | -0.15 |
| Feb | 3.74 | 3.90 | -0.16 |
| Mar | 5.26 | 5.46 | -0.20 |
| Apr | 4.50 | 4.62 | -0.12 |
| May | 3.60 | 3.66 | -0.06 |
| Jun | 3.87 | 3.89 | -0.02 |
| Jul | 3.30 | 3.39 | -0.09 |
| Aug | 3.67 | 3.79 | -0.12 |
| Sep | 4.11 | 4.09 | 0.02 |
| Oct | 4.85 | 4.96 | -0.11 |
| Nov | 4.47 | 4.53 | -0.06 |
| Dec | 4.91 | 5.08 | -0.17 |
50.52 | 51.76 | -1.24 |