| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.42 | 3.63 | -0.21 |
| Feb | 2.72 | 2.96 | -0.24 |
| Mar | 3.96 | 4.14 | -0.18 |
| Apr | 3.90 | 4.15 | -0.25 |
| May | 3.94 | 3.97 | -0.03 |
| Jun | 4.57 | 4.76 | -0.19 |
| Jul | 4.50 | 4.62 | -0.12 |
| Aug | 4.60 | 4.70 | -0.10 |
| Sep | 4.41 | 4.42 | -0.01 |
| Oct | 4.44 | 4.54 | -0.10 |
| Nov | 3.65 | 3.77 | -0.12 |
| Dec | 4.27 | 4.51 | -0.24 |
48.38 | 50.17 | -1.79 |