| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.37 | 2.61 | -0.24 |
| Feb | 1.97 | 2.03 | -0.06 |
| Mar | 2.18 | 2.26 | -0.08 |
| Apr | 3.47 | 3.52 | -0.05 |
| May | 4.20 | 4.27 | -0.07 |
| Jun | 3.94 | 4.16 | -0.22 |
| Jul | 3.78 | 3.78 | 0.00 |
| Aug | 3.79 | 3.95 | -0.16 |
| Sep | 3.15 | 2.96 | 0.19 |
| Oct | 3.34 | 3.16 | 0.18 |
| Nov | 2.74 | 2.85 | -0.11 |
| Dec | 2.28 | 2.32 | -0.04 |
37.21 | 37.87 | -0.66 |