| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.74 | 2.92 | -0.18 |
| Feb | 2.21 | 2.29 | -0.08 |
| Mar | 3.03 | 3.17 | -0.14 |
| Apr | 3.82 | 3.88 | -0.06 |
| May | 4.28 | 4.23 | 0.05 |
| Jun | 4.63 | 4.61 | 0.02 |
| Jul | 4.32 | 4.20 | 0.12 |
| Aug | 3.47 | 3.44 | 0.03 |
| Sep | 3.16 | 3.12 | 0.04 |
| Oct | 2.78 | 2.84 | -0.06 |
| Nov | 2.85 | 2.87 | -0.02 |
| Dec | 2.82 | 2.97 | -0.15 |
40.11 | 40.54 | -0.43 |