| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.89 | 4.00 | -0.11 |
| Feb | 3.85 | 4.05 | -0.20 |
| Mar | 4.22 | 4.13 | 0.09 |
| Apr | 3.20 | 3.28 | -0.08 |
| May | 3.01 | 2.93 | 0.08 |
| Jun | 4.72 | 4.96 | -0.24 |
| Jul | 4.92 | 4.98 | -0.06 |
| Aug | 4.74 | 5.08 | -0.34 |
| Sep | 3.79 | 3.95 | -0.16 |
| Oct | 2.94 | 2.92 | 0.02 |
| Nov | 2.72 | 2.68 | 0.04 |
| Dec | 3.82 | 4.00 | -0.18 |
45.82 | 46.96 | -1.14 |