| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.63 | 2.74 | -0.11 |
| Feb | 2.85 | 2.87 | -0.02 |
| Mar | 3.90 | 3.94 | -0.04 |
| Apr | 3.67 | 3.72 | -0.05 |
| May | 4.72 | 4.85 | -0.13 |
| Jun | 3.71 | 3.68 | 0.03 |
| Jul | 2.20 | 2.15 | 0.05 |
| Aug | 2.26 | 2.24 | 0.02 |
| Sep | 3.06 | 3.09 | -0.03 |
| Oct | 4.81 | 4.67 | 0.14 |
| Nov | 3.18 | 3.28 | -0.10 |
| Dec | 3.34 | 3.42 | -0.08 |
40.33 | 40.65 | -0.32 |