| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.47 | 3.76 | -0.29 |
| Feb | 3.17 | 3.32 | -0.15 |
| Mar | 4.44 | 4.65 | -0.21 |
| Apr | 4.03 | 4.07 | -0.04 |
| May | 3.42 | 3.50 | -0.08 |
| Jun | 4.03 | 3.80 | 0.23 |
| Jul | 3.18 | 3.08 | 0.10 |
| Aug | 3.71 | 3.92 | -0.21 |
| Sep | 3.83 | 3.92 | -0.09 |
| Oct | 4.35 | 4.40 | -0.05 |
| Nov | 3.62 | 3.63 | -0.01 |
| Dec | 4.53 | 4.55 | -0.02 |
45.78 | 46.60 | -0.82 |