| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.54 | 3.58 | -0.04 |
| Feb | 2.87 | 2.90 | -0.03 |
| Mar | 4.07 | 3.99 | 0.08 |
| Apr | 3.70 | 3.77 | -0.07 |
| May | 3.83 | 3.98 | -0.15 |
| Jun | 4.53 | 4.23 | 0.30 |
| Jul | 5.29 | 5.48 | -0.19 |
| Aug | 5.02 | 5.35 | -0.33 |
| Sep | 5.05 | 5.01 | 0.04 |
| Oct | 3.91 | 4.27 | -0.36 |
| Nov | 3.09 | 3.02 | 0.07 |
| Dec | 3.63 | 3.60 | 0.03 |
48.53 | 49.18 | -0.65 |