| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.93 | 2.95 | -0.02 |
| Feb | 2.34 | 2.42 | -0.08 |
| Mar | 2.71 | 2.85 | -0.14 |
| Apr | 3.23 | 3.26 | -0.03 |
| May | 3.28 | 3.35 | -0.07 |
| Jun | 3.60 | 3.62 | -0.02 |
| Jul | 3.66 | 3.68 | -0.02 |
| Aug | 3.58 | 3.67 | -0.09 |
| Sep | 3.57 | 3.51 | 0.06 |
| Oct | 4.01 | 4.02 | -0.01 |
| Nov | 3.35 | 3.37 | -0.02 |
| Dec | 3.24 | 3.32 | -0.08 |
39.50 | 40.02 | -0.52 |