| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.76 | 2.79 | -0.03 |
| Feb | 2.12 | 2.12 | 0.00 |
| Mar | 3.39 | 3.30 | 0.09 |
| Apr | 3.17 | 3.20 | -0.03 |
| May | 4.22 | 3.95 | 0.27 |
| Jun | 4.20 | 4.07 | 0.13 |
| Jul | 4.20 | 4.04 | 0.16 |
| Aug | 3.66 | 3.82 | -0.16 |
| Sep | 4.21 | 4.09 | 0.12 |
| Oct | 2.77 | 2.51 | 0.26 |
| Nov | 2.67 | 2.58 | 0.09 |
| Dec | 2.94 | 2.95 | -0.01 |
40.31 | 39.42 | 0.89 |