| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.44 | 4.59 | -0.15 |
| Feb | 4.40 | 4.61 | -0.21 |
| Mar | 4.65 | 5.06 | -0.41 |
| Apr | 4.05 | 4.25 | -0.20 |
| May | 3.08 | 3.39 | -0.31 |
| Jun | 4.33 | 4.35 | -0.02 |
| Jul | 4.80 | 4.94 | -0.14 |
| Aug | 4.41 | 4.33 | 0.08 |
| Sep | 3.51 | 3.60 | -0.09 |
| Oct | 2.71 | 3.05 | -0.34 |
| Nov | 3.74 | 3.91 | -0.17 |
| Dec | 4.93 | 5.01 | -0.08 |
49.05 | 51.09 | -2.04 |