| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.89 | 4.56 | 0.33 |
| Feb | 4.78 | 4.13 | 0.65 |
| Mar | 3.27 | 2.80 | 0.47 |
| Apr | 1.65 | 1.43 | 0.22 |
| May | 1.24 | 1.30 | -0.06 |
| Jun | 0.47 | 0.52 | -0.05 |
| Jul | 0.03 | 0.03 | 0.00 |
| Aug | 0.06 | 0.05 | 0.01 |
| Sep | 0.21 | 0.20 | 0.01 |
| Oct | 1.20 | 0.87 | 0.33 |
| Nov | 2.48 | 2.29 | 0.19 |
| Dec | 4.40 | 4.12 | 0.28 |
24.68 | 22.30 | 2.38 |