| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.26 | 3.53 | -0.27 |
| Feb | 2.74 | 2.93 | -0.19 |
| Mar | 4.30 | 4.39 | -0.09 |
| Apr | 3.50 | 3.54 | -0.04 |
| May | 3.34 | 3.47 | -0.13 |
| Jun | 4.20 | 4.35 | -0.15 |
| Jul | 4.63 | 4.81 | -0.18 |
| Aug | 4.67 | 4.82 | -0.15 |
| Sep | 4.01 | 4.18 | -0.17 |
| Oct | 3.94 | 3.99 | -0.05 |
| Nov | 3.21 | 3.25 | -0.04 |
| Dec | 4.16 | 4.39 | -0.23 |
45.96 | 47.65 | -1.69 |