| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.65 | 3.58 | 0.07 |
| Feb | 3.01 | 3.04 | -0.03 |
| Mar | 3.94 | 3.86 | 0.08 |
| Apr | 3.53 | 3.45 | 0.08 |
| May | 3.54 | 3.49 | 0.05 |
| Jun | 4.53 | 4.51 | 0.02 |
| Jul | 5.25 | 5.07 | 0.18 |
| Aug | 5.23 | 5.25 | -0.02 |
| Sep | 5.83 | 5.50 | 0.33 |
| Oct | 3.42 | 3.38 | 0.04 |
| Nov | 3.20 | 3.21 | -0.01 |
| Dec | 3.36 | 3.26 | 0.10 |
48.49 | 47.60 | 0.89 |