| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.89 | 4.00 | -0.11 |
| Feb | 3.75 | 3.79 | -0.04 |
| Mar | 4.39 | 4.41 | -0.02 |
| Apr | 3.03 | 3.18 | -0.15 |
| May | 3.20 | 3.16 | 0.04 |
| Jun | 4.42 | 4.55 | -0.13 |
| Jul | 4.13 | 4.10 | 0.03 |
| Aug | 4.21 | 4.47 | -0.26 |
| Sep | 3.55 | 3.65 | -0.10 |
| Oct | 2.83 | 2.90 | -0.07 |
| Nov | 3.29 | 3.39 | -0.10 |
| Dec | 4.18 | 4.21 | -0.03 |
44.87 | 45.81 | -0.94 |