| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.66 | 4.46 | 0.20 |
| Feb | 4.16 | 3.98 | 0.18 |
| Mar | 4.72 | 4.68 | 0.04 |
| Apr | 4.35 | 4.23 | 0.12 |
| May | 4.21 | 4.21 | 0.00 |
| Jun | 4.54 | 4.39 | 0.15 |
| Jul | 4.65 | 4.71 | -0.06 |
| Aug | 5.14 | 5.11 | 0.03 |
| Sep | 4.39 | 4.23 | 0.16 |
| Oct | 3.85 | 3.80 | 0.05 |
| Nov | 4.10 | 4.11 | -0.01 |
| Dec | 5.02 | 4.87 | 0.15 |
53.79 | 52.78 | 1.01 |