| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.05 | 2.15 | -0.10 |
| Feb | 2.15 | 2.17 | -0.02 |
| Mar | 3.49 | 3.50 | -0.01 |
| Apr | 4.86 | 4.94 | -0.08 |
| May | 6.06 | 6.05 | 0.01 |
| Jun | 5.12 | 5.08 | 0.04 |
| Jul | 3.84 | 4.07 | -0.23 |
| Aug | 3.53 | 3.37 | 0.16 |
| Sep | 4.48 | 4.20 | 0.28 |
| Oct | 3.60 | 3.67 | -0.07 |
| Nov | 3.39 | 3.52 | -0.13 |
| Dec | 2.60 | 2.63 | -0.03 |
45.17 | 45.35 | -0.18 |