| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.35 | 2.86 | -0.51 |
| Feb | 1.92 | 2.21 | -0.29 |
| Mar | 2.20 | 2.37 | -0.17 |
| Apr | 3.64 | 3.72 | -0.08 |
| May | 3.72 | 4.05 | -0.33 |
| Jun | 3.52 | 3.68 | -0.16 |
| Jul | 3.12 | 3.14 | -0.02 |
| Aug | 3.20 | 3.37 | -0.17 |
| Sep | 3.08 | 3.18 | -0.10 |
| Oct | 3.91 | 4.03 | -0.12 |
| Nov | 2.99 | 3.24 | -0.25 |
| Dec | 2.38 | 2.75 | -0.37 |
36.03 | 38.60 | -2.57 |