| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.37 | 3.58 | -0.21 |
| Feb | 2.78 | 2.87 | -0.09 |
| Mar | 4.09 | 4.38 | -0.29 |
| Apr | 3.68 | 3.67 | 0.01 |
| May | 3.59 | 3.77 | -0.18 |
| Jun | 4.21 | 4.32 | -0.11 |
| Jul | 4.71 | 4.69 | 0.02 |
| Aug | 4.36 | 4.75 | -0.39 |
| Sep | 4.18 | 4.18 | 0.00 |
| Oct | 3.78 | 4.00 | -0.22 |
| Nov | 3.18 | 3.22 | -0.04 |
| Dec | 4.15 | 4.35 | -0.20 |
46.08 | 47.78 | -1.70 |