| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.18 | 3.71 | -0.53 |
| Feb | 2.94 | 3.29 | -0.35 |
| Mar | 3.60 | 3.86 | -0.26 |
| Apr | 3.87 | 3.91 | -0.04 |
| May | 3.82 | 3.59 | 0.23 |
| Jun | 4.28 | 3.87 | 0.41 |
| Jul | 4.79 | 4.17 | 0.62 |
| Aug | 4.88 | 4.01 | 0.87 |
| Sep | 4.31 | 3.92 | 0.39 |
| Oct | 3.80 | 2.61 | 1.19 |
| Nov | 2.89 | 2.98 | -0.09 |
| Dec | 3.25 | 3.79 | -0.54 |
45.61 | 43.71 | 1.90 |