| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.53 | 3.48 | 0.05 |
| Feb | 2.96 | 3.12 | -0.16 |
| Mar | 3.71 | 3.90 | -0.19 |
| Apr | 3.83 | 3.88 | -0.05 |
| May | 3.87 | 3.79 | 0.08 |
| Jun | 4.71 | 4.54 | 0.17 |
| Jul | 4.54 | 4.54 | 0.00 |
| Aug | 4.54 | 4.57 | -0.03 |
| Sep | 4.89 | 4.74 | 0.15 |
| Oct | 4.77 | 4.92 | -0.15 |
| Nov | 3.78 | 3.57 | 0.21 |
| Dec | 4.29 | 4.45 | -0.16 |
49.42 | 49.50 | -0.08 |