| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.95 | 4.96 | -0.01 |
| Feb | 4.51 | 4.71 | -0.20 |
| Mar | 4.81 | 4.85 | -0.04 |
| Apr | 4.56 | 4.68 | -0.12 |
| May | 4.07 | 4.33 | -0.26 |
| Jun | 4.71 | 4.65 | 0.06 |
| Jul | 4.98 | 4.73 | 0.25 |
| Aug | 4.30 | 4.26 | 0.04 |
| Sep | 3.89 | 4.11 | -0.22 |
| Oct | 3.30 | 3.12 | 0.18 |
| Nov | 4.00 | 4.04 | -0.04 |
| Dec | 5.12 | 5.23 | -0.11 |
53.20 | 53.67 | -0.47 |