| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.70 | 4.67 | 0.03 |
| Feb | 4.67 | 4.77 | -0.10 |
| Mar | 4.96 | 4.86 | 0.10 |
| Apr | 4.00 | 3.98 | 0.02 |
| May | 3.80 | 3.89 | -0.09 |
| Jun | 4.53 | 4.50 | 0.03 |
| Jul | 4.80 | 4.81 | -0.01 |
| Aug | 4.39 | 4.74 | -0.35 |
| Sep | 4.24 | 4.31 | -0.07 |
| Oct | 3.50 | 3.53 | -0.03 |
| Nov | 4.14 | 4.25 | -0.11 |
| Dec | 4.60 | 4.69 | -0.09 |
52.33 | 53.00 | -0.67 |