| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.63 | 3.79 | -0.16 |
| Feb | 3.70 | 3.81 | -0.11 |
| Mar | 4.66 | 4.87 | -0.21 |
| Apr | 5.30 | 5.18 | 0.12 |
| May | 4.97 | 5.27 | -0.30 |
| Jun | 4.16 | 4.05 | 0.11 |
| Jul | 3.94 | 4.08 | -0.14 |
| Aug | 2.98 | 2.87 | 0.11 |
| Sep | 3.20 | 3.34 | -0.14 |
| Oct | 3.83 | 3.87 | -0.04 |
| Nov | 4.19 | 4.27 | -0.08 |
| Dec | 4.18 | 4.32 | -0.14 |
48.74 | 49.72 | -0.98 |