| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.49 | 3.68 | -0.19 |
| Feb | 3.01 | 3.21 | -0.20 |
| Mar | 3.70 | 4.07 | -0.37 |
| Apr | 4.27 | 4.43 | -0.16 |
| May | 3.89 | 4.03 | -0.14 |
| Jun | 5.11 | 5.45 | -0.34 |
| Jul | 4.50 | 4.53 | -0.03 |
| Aug | 4.13 | 4.67 | -0.54 |
| Sep | 3.68 | 3.84 | -0.16 |
| Oct | 5.48 | 5.87 | -0.39 |
| Nov | 4.67 | 4.58 | 0.09 |
| Dec | 4.35 | 4.63 | -0.28 |
50.28 | 52.99 | -2.71 |