| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.46 | 3.33 | 0.13 |
| Feb | 2.44 | 2.49 | -0.05 |
| Mar | 2.89 | 3.15 | -0.26 |
| Apr | 3.47 | 3.98 | -0.51 |
| May | 3.74 | 3.96 | -0.22 |
| Jun | 3.94 | 3.74 | 0.20 |
| Jul | 4.11 | 4.16 | -0.05 |
| Aug | 3.65 | 3.23 | 0.42 |
| Sep | 4.42 | 4.51 | -0.09 |
| Oct | 4.56 | 4.81 | -0.25 |
| Nov | 3.78 | 4.38 | -0.60 |
| Dec | 3.83 | 3.82 | 0.01 |
44.29 | 45.56 | -1.27 |