| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.61 | 3.80 | -0.19 |
| Feb | 2.96 | 3.08 | -0.12 |
| Mar | 3.92 | 4.08 | -0.16 |
| Apr | 3.80 | 3.95 | -0.15 |
| May | 3.72 | 3.60 | 0.12 |
| Jun | 4.27 | 4.18 | 0.09 |
| Jul | 4.27 | 4.35 | -0.08 |
| Aug | 4.47 | 4.67 | -0.20 |
| Sep | 4.37 | 4.57 | -0.20 |
| Oct | 3.29 | 3.28 | 0.01 |
| Nov | 3.35 | 3.48 | -0.13 |
| Dec | 3.43 | 3.64 | -0.21 |
45.46 | 46.68 | -1.22 |