| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.51 | 0.60 | -0.09 |
| Feb | 0.72 | 0.82 | -0.10 |
| Mar | 1.32 | 1.26 | 0.06 |
| Apr | 2.06 | 2.05 | 0.01 |
| May | 3.98 | 4.03 | -0.05 |
| Jun | 3.50 | 3.37 | 0.13 |
| Jul | 3.94 | 4.02 | -0.08 |
| Aug | 3.50 | 3.56 | -0.06 |
| Sep | 2.09 | 2.18 | -0.09 |
| Oct | 1.83 | 1.81 | 0.02 |
| Nov | 0.93 | 0.98 | -0.05 |
| Dec | 0.82 | 0.90 | -0.08 |
25.20 | 25.58 | -0.38 |