| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.34 | 4.33 | 0.01 |
| Feb | 4.33 | 4.09 | 0.24 |
| Mar | 5.10 | 4.93 | 0.17 |
| Apr | 4.66 | 4.66 | 0.00 |
| May | 4.87 | 5.11 | -0.24 |
| Jun | 4.94 | 4.94 | 0.00 |
| Jul | 5.17 | 5.21 | -0.04 |
| Aug | 3.84 | 3.80 | 0.04 |
| Sep | 3.55 | 3.65 | -0.10 |
| Oct | 3.22 | 3.22 | 0.00 |
| Nov | 3.60 | 3.52 | 0.08 |
| Dec | 4.81 | 4.95 | -0.14 |
52.43 | 52.41 | 0.02 |