| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.51 | 3.56 | -0.05 |
| Feb | 2.80 | 2.93 | -0.13 |
| Mar | 4.32 | 4.32 | 0.00 |
| Apr | 3.77 | 3.72 | 0.05 |
| May | 3.90 | 3.92 | -0.02 |
| Jun | 4.38 | 4.44 | -0.06 |
| Jul | 4.72 | 4.56 | 0.16 |
| Aug | 4.32 | 4.56 | -0.24 |
| Sep | 4.97 | 4.98 | -0.01 |
| Oct | 4.30 | 4.47 | -0.17 |
| Nov | 3.30 | 3.27 | 0.03 |
| Dec | 4.18 | 4.39 | -0.21 |
48.47 | 49.12 | -0.65 |