| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.50 | 3.59 | -0.09 |
| Feb | 3.40 | 3.55 | -0.15 |
| Mar | 3.46 | 3.57 | -0.11 |
| Apr | 3.25 | 3.25 | 0.00 |
| May | 3.41 | 3.39 | 0.02 |
| Jun | 5.39 | 5.44 | -0.05 |
| Jul | 5.53 | 5.67 | -0.14 |
| Aug | 6.14 | 6.34 | -0.20 |
| Sep | 4.56 | 4.70 | -0.14 |
| Oct | 3.61 | 3.48 | 0.13 |
| Nov | 2.82 | 2.92 | -0.10 |
| Dec | 3.47 | 3.51 | -0.04 |
48.54 | 49.41 | -0.87 |