| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.47 | 3.47 | 0.00 |
| Feb | 2.80 | 2.80 | 0.00 |
| Mar | 4.15 | 4.20 | -0.05 |
| Apr | 3.73 | 3.75 | -0.02 |
| May | 3.72 | 3.73 | -0.01 |
| Jun | 4.31 | 4.33 | -0.02 |
| Jul | 4.16 | 4.46 | -0.30 |
| Aug | 4.16 | 4.30 | -0.14 |
| Sep | 4.42 | 4.81 | -0.39 |
| Oct | 3.47 | 3.46 | 0.01 |
| Nov | 3.29 | 3.26 | 0.03 |
| Dec | 3.53 | 3.58 | -0.05 |
45.21 | 46.15 | -0.94 |