| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.45 | 3.47 | -0.02 |
| Feb | 2.90 | 2.96 | -0.06 |
| Mar | 3.82 | 3.96 | -0.14 |
| Apr | 3.89 | 3.91 | -0.02 |
| May | 3.93 | 3.89 | 0.04 |
| Jun | 4.60 | 4.68 | -0.08 |
| Jul | 4.33 | 4.53 | -0.20 |
| Aug | 4.56 | 4.58 | -0.02 |
| Sep | 4.77 | 4.91 | -0.14 |
| Oct | 4.93 | 4.94 | -0.01 |
| Nov | 3.79 | 3.72 | 0.07 |
| Dec | 4.29 | 4.33 | -0.04 |
49.26 | 49.88 | -0.62 |