| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.65 | 5.78 | -0.13 |
| Feb | 4.86 | 4.81 | 0.05 |
| Mar | 4.47 | 4.85 | -0.38 |
| Apr | 2.28 | 2.52 | -0.24 |
| May | 1.13 | 1.31 | -0.18 |
| Jun | 0.30 | 0.44 | -0.14 |
| Jul | 0.03 | 0.15 | -0.12 |
| Aug | 0.03 | 0.04 | -0.01 |
| Sep | 0.19 | 0.14 | 0.05 |
| Oct | 1.37 | 1.38 | -0.01 |
| Nov | 2.44 | 2.43 | 0.01 |
| Dec | 4.78 | 4.90 | -0.12 |
27.53 | 28.75 | -1.22 |