| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.64 | 3.04 | -0.40 |
| Feb | 2.18 | 2.34 | -0.16 |
| Mar | 2.35 | 2.46 | -0.11 |
| Apr | 3.57 | 3.54 | 0.03 |
| May | 4.05 | 4.05 | 0.00 |
| Jun | 4.12 | 4.07 | 0.05 |
| Jul | 3.85 | 3.75 | 0.10 |
| Aug | 4.15 | 4.27 | -0.12 |
| Sep | 3.39 | 3.42 | -0.03 |
| Oct | 3.86 | 4.10 | -0.24 |
| Nov | 2.87 | 3.01 | -0.14 |
| Dec | 2.52 | 2.58 | -0.06 |
39.55 | 40.63 | -1.08 |