| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.19 | 2.23 | -0.04 |
| Feb | 1.92 | 2.01 | -0.09 |
| Mar | 2.30 | 2.39 | -0.09 |
| Apr | 3.64 | 3.72 | -0.08 |
| May | 4.18 | 4.34 | -0.16 |
| Jun | 4.22 | 4.27 | -0.05 |
| Jul | 4.04 | 4.07 | -0.03 |
| Aug | 3.87 | 3.88 | -0.01 |
| Sep | 3.44 | 3.37 | 0.07 |
| Oct | 3.44 | 3.56 | -0.12 |
| Nov | 2.78 | 2.63 | 0.15 |
| Dec | 2.10 | 2.20 | -0.10 |
38.12 | 38.67 | -0.55 |