| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.06 | 3.17 | -0.11 |
| Feb | 2.39 | 2.44 | -0.05 |
| Mar | 3.46 | 3.43 | 0.03 |
| Apr | 4.36 | 4.30 | 0.06 |
| May | 4.42 | 4.50 | -0.08 |
| Jun | 4.69 | 4.53 | 0.16 |
| Jul | 4.06 | 3.86 | 0.20 |
| Aug | 3.15 | 2.92 | 0.23 |
| Sep | 3.02 | 3.04 | -0.02 |
| Oct | 3.05 | 3.06 | -0.01 |
| Nov | 2.99 | 2.97 | 0.02 |
| Dec | 3.12 | 3.18 | -0.06 |
41.77 | 41.40 | 0.37 |