| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.59 | 2.74 | -0.15 |
| Feb | 2.09 | 2.12 | -0.03 |
| Mar | 2.33 | 2.37 | -0.04 |
| Apr | 3.77 | 3.74 | 0.03 |
| May | 3.89 | 4.02 | -0.13 |
| Jun | 3.60 | 3.71 | -0.11 |
| Jul | 3.40 | 3.28 | 0.12 |
| Aug | 3.49 | 3.45 | 0.04 |
| Sep | 3.19 | 3.18 | 0.01 |
| Oct | 3.90 | 3.85 | 0.05 |
| Nov | 2.92 | 3.10 | -0.18 |
| Dec | 2.50 | 2.62 | -0.12 |
37.67 | 38.18 | -0.51 |