| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.83 | 3.94 | -0.11 |
| Feb | 2.95 | 3.28 | -0.33 |
| Mar | 4.54 | 4.86 | -0.32 |
| Apr | 3.63 | 3.62 | 0.01 |
| May | 3.53 | 3.74 | -0.21 |
| Jun | 3.82 | 4.08 | -0.26 |
| Jul | 4.60 | 4.46 | 0.14 |
| Aug | 4.52 | 4.67 | -0.15 |
| Sep | 3.95 | 4.14 | -0.19 |
| Oct | 4.03 | 4.32 | -0.29 |
| Nov | 3.27 | 3.54 | -0.27 |
| Dec | 4.52 | 4.84 | -0.32 |
47.19 | 49.49 | -2.30 |