| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.82 | 3.20 | -0.38 |
| Feb | 2.19 | 2.42 | -0.23 |
| Mar | 2.92 | 3.08 | -0.16 |
| Apr | 3.59 | 3.86 | -0.27 |
| May | 3.73 | 3.63 | 0.10 |
| Jun | 3.94 | 3.56 | 0.38 |
| Jul | 3.94 | 3.59 | 0.35 |
| Aug | 3.58 | 3.67 | -0.09 |
| Sep | 4.00 | 3.69 | 0.31 |
| Oct | 3.72 | 4.09 | -0.37 |
| Nov | 3.41 | 3.60 | -0.19 |
| Dec | 3.03 | 3.42 | -0.39 |
40.87 | 41.81 | -0.94 |