| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.57 | 3.35 | 0.22 |
| Feb | 3.16 | 3.07 | 0.09 |
| Mar | 3.80 | 3.68 | 0.12 |
| Apr | 4.01 | 3.99 | 0.02 |
| May | 3.89 | 3.99 | -0.10 |
| Jun | 4.54 | 4.54 | 0.00 |
| Jul | 4.45 | 4.59 | -0.14 |
| Aug | 4.00 | 4.14 | -0.14 |
| Sep | 3.94 | 3.91 | 0.03 |
| Oct | 5.42 | 5.27 | 0.15 |
| Nov | 3.97 | 3.93 | 0.04 |
| Dec | 4.37 | 4.39 | -0.02 |
49.12 | 48.85 | 0.27 |