| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.82 | 3.19 | -0.37 |
| Feb | 2.19 | 2.42 | -0.23 |
| Mar | 2.92 | 3.06 | -0.14 |
| Apr | 3.59 | 3.83 | -0.24 |
| May | 3.73 | 3.64 | 0.09 |
| Jun | 3.94 | 3.58 | 0.36 |
| Jul | 3.94 | 3.67 | 0.27 |
| Aug | 3.58 | 3.69 | -0.11 |
| Sep | 4.00 | 3.74 | 0.26 |
| Oct | 3.72 | 4.12 | -0.40 |
| Nov | 3.41 | 3.59 | -0.18 |
| Dec | 3.03 | 3.43 | -0.40 |
40.87 | 41.96 | -1.09 |