| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.67 | 3.79 | -0.12 |
| Feb | 4.39 | 4.40 | -0.01 |
| Mar | 4.85 | 4.69 | 0.16 |
| Apr | 4.95 | 5.10 | -0.15 |
| May | 5.21 | 5.40 | -0.19 |
| Jun | 4.46 | 4.55 | -0.09 |
| Jul | 4.43 | 4.58 | -0.15 |
| Aug | 3.76 | 3.73 | 0.03 |
| Sep | 3.92 | 3.90 | 0.02 |
| Oct | 3.92 | 4.03 | -0.11 |
| Nov | 3.86 | 3.82 | 0.04 |
| Dec | 4.68 | 4.71 | -0.03 |
52.10 | 52.70 | -0.60 |