| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.11 | 2.16 | -0.05 |
| Feb | 1.87 | 1.96 | -0.09 |
| Mar | 2.45 | 2.39 | 0.06 |
| Apr | 3.87 | 3.86 | 0.01 |
| May | 4.57 | 4.70 | -0.13 |
| Jun | 4.48 | 4.42 | 0.06 |
| Jul | 4.08 | 4.18 | -0.10 |
| Aug | 4.07 | 4.03 | 0.04 |
| Sep | 3.35 | 3.29 | 0.06 |
| Oct | 3.47 | 3.47 | 0.00 |
| Nov | 2.66 | 2.59 | 0.07 |
| Dec | 2.20 | 2.19 | 0.01 |
39.18 | 39.24 | -0.06 |