| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.45 | 3.81 | -0.36 |
| Feb | 3.09 | 3.39 | -0.30 |
| Mar | 4.39 | 4.59 | -0.20 |
| Apr | 3.95 | 4.19 | -0.24 |
| May | 3.40 | 3.47 | -0.07 |
| Jun | 3.91 | 3.99 | -0.08 |
| Jul | 3.28 | 3.20 | 0.08 |
| Aug | 3.79 | 3.98 | -0.19 |
| Sep | 3.80 | 3.75 | 0.05 |
| Oct | 4.11 | 4.44 | -0.33 |
| Nov | 3.46 | 3.60 | -0.14 |
| Dec | 4.49 | 4.79 | -0.30 |
45.12 | 47.20 | -2.08 |