| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.37 | 3.45 | -0.08 |
| Feb | 2.51 | 2.55 | -0.04 |
| Mar | 3.07 | 3.08 | -0.01 |
| Apr | 3.83 | 3.94 | -0.11 |
| May | 3.87 | 4.04 | -0.17 |
| Jun | 4.30 | 4.49 | -0.19 |
| Jul | 4.44 | 4.76 | -0.32 |
| Aug | 3.80 | 4.07 | -0.27 |
| Sep | 3.97 | 3.84 | 0.13 |
| Oct | 4.10 | 3.96 | 0.14 |
| Nov | 3.65 | 3.63 | 0.02 |
| Dec | 3.67 | 3.72 | -0.05 |
44.58 | 45.53 | -0.95 |