| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.50 | 3.59 | -0.09 |
| Feb | 2.82 | 2.87 | -0.05 |
| Mar | 4.36 | 4.41 | -0.05 |
| Apr | 3.56 | 3.53 | 0.03 |
| May | 3.51 | 3.61 | -0.10 |
| Jun | 4.03 | 4.20 | -0.17 |
| Jul | 4.72 | 4.67 | 0.05 |
| Aug | 4.58 | 4.83 | -0.25 |
| Sep | 4.02 | 4.10 | -0.08 |
| Oct | 4.05 | 3.98 | 0.07 |
| Nov | 3.22 | 3.21 | 0.01 |
| Dec | 4.26 | 4.34 | -0.08 |
46.63 | 47.34 | -0.71 |