| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.69 | 3.69 | 0.00 |
| Feb | 3.41 | 3.50 | -0.09 |
| Mar | 3.75 | 3.94 | -0.19 |
| Apr | 2.96 | 3.10 | -0.14 |
| May | 3.25 | 3.32 | -0.07 |
| Jun | 4.41 | 4.33 | 0.08 |
| Jul | 4.43 | 4.54 | -0.11 |
| Aug | 4.64 | 4.60 | 0.04 |
| Sep | 4.04 | 4.07 | -0.03 |
| Oct | 3.34 | 3.48 | -0.14 |
| Nov | 2.98 | 3.05 | -0.07 |
| Dec | 3.81 | 3.92 | -0.11 |
44.71 | 45.54 | -0.83 |