| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.65 | 4.49 | 0.16 |
| Feb | 4.53 | 4.52 | 0.01 |
| Mar | 4.74 | 4.68 | 0.06 |
| Apr | 3.67 | 3.61 | 0.06 |
| May | 3.62 | 3.42 | 0.20 |
| Jun | 4.71 | 4.92 | -0.21 |
| Jul | 4.06 | 4.42 | -0.36 |
| Aug | 5.02 | 4.53 | 0.49 |
| Sep | 3.97 | 4.11 | -0.14 |
| Oct | 3.33 | 3.30 | 0.03 |
| Nov | 3.85 | 3.80 | 0.05 |
| Dec | 4.62 | 4.59 | 0.03 |
50.77 | 50.39 | 0.38 |