| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.23 | 4.35 | -0.12 |
| Feb | 3.68 | 3.82 | -0.14 |
| Mar | 5.27 | 5.42 | -0.15 |
| Apr | 4.52 | 4.60 | -0.08 |
| May | 3.58 | 3.63 | -0.05 |
| Jun | 3.87 | 3.86 | 0.01 |
| Jul | 3.26 | 3.36 | -0.10 |
| Aug | 3.63 | 3.74 | -0.11 |
| Sep | 4.16 | 4.01 | 0.15 |
| Oct | 4.89 | 4.93 | -0.04 |
| Nov | 4.47 | 4.49 | -0.02 |
| Dec | 4.89 | 5.09 | -0.20 |
50.45 | 51.30 | -0.85 |