| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.68 | 4.79 | -0.11 |
| Feb | 4.63 | 5.01 | -0.38 |
| Mar | 4.87 | 5.16 | -0.29 |
| Apr | 4.07 | 4.22 | -0.15 |
| May | 3.37 | 4.15 | -0.78 |
| Jun | 5.58 | 6.59 | -1.01 |
| Jul | 6.60 | 7.65 | -1.05 |
| Aug | 6.64 | 6.88 | -0.24 |
| Sep | 5.61 | 5.85 | -0.24 |
| Oct | 3.11 | 3.55 | -0.44 |
| Nov | 3.52 | 3.52 | 0.00 |
| Dec | 4.52 | 4.79 | -0.27 |
57.20 | 62.16 | -4.96 |