| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.87 | 2.96 | -0.09 |
| Feb | 2.28 | 2.32 | -0.04 |
| Mar | 3.10 | 3.16 | -0.06 |
| Apr | 3.67 | 3.74 | -0.07 |
| May | 4.07 | 3.90 | 0.17 |
| Jun | 4.52 | 4.28 | 0.24 |
| Jul | 4.10 | 3.95 | 0.15 |
| Aug | 3.60 | 3.46 | 0.14 |
| Sep | 3.69 | 3.54 | 0.15 |
| Oct | 3.15 | 3.10 | 0.05 |
| Nov | 2.65 | 2.81 | -0.16 |
| Dec | 2.82 | 2.93 | -0.11 |
40.52 | 40.15 | 0.37 |