| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.59 | 2.85 | -0.26 |
| Feb | 2.12 | 2.35 | -0.23 |
| Mar | 2.75 | 2.81 | -0.06 |
| Apr | 3.52 | 3.67 | -0.15 |
| May | 3.75 | 3.78 | -0.03 |
| Jun | 3.89 | 3.89 | 0.00 |
| Jul | 3.73 | 3.77 | -0.04 |
| Aug | 3.56 | 3.77 | -0.21 |
| Sep | 3.71 | 3.80 | -0.09 |
| Oct | 3.41 | 3.46 | -0.05 |
| Nov | 3.07 | 3.08 | -0.01 |
| Dec | 2.71 | 2.91 | -0.20 |
38.81 | 40.14 | -1.33 |