| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.19 | 4.30 | -0.11 |
| Feb | 3.66 | 3.81 | -0.15 |
| Mar | 4.56 | 4.65 | -0.09 |
| Apr | 4.24 | 4.31 | -0.07 |
| May | 3.79 | 3.92 | -0.13 |
| Jun | 4.21 | 4.23 | -0.02 |
| Jul | 4.19 | 4.19 | 0.00 |
| Aug | 4.46 | 4.51 | -0.05 |
| Sep | 3.84 | 3.95 | -0.11 |
| Oct | 3.57 | 3.78 | -0.21 |
| Nov | 3.75 | 3.91 | -0.16 |
| Dec | 4.32 | 4.64 | -0.32 |
48.78 | 50.20 | -1.42 |