| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.78 | 2.94 | -0.16 |
| Feb | 2.30 | 2.36 | -0.06 |
| Mar | 3.35 | 3.39 | -0.04 |
| Apr | 3.93 | 3.93 | 0.00 |
| May | 4.27 | 4.13 | 0.14 |
| Jun | 4.37 | 4.48 | -0.11 |
| Jul | 4.31 | 4.22 | 0.09 |
| Aug | 3.62 | 3.50 | 0.12 |
| Sep | 3.24 | 3.12 | 0.12 |
| Oct | 2.81 | 2.86 | -0.05 |
| Nov | 2.78 | 2.82 | -0.04 |
| Dec | 2.91 | 3.07 | -0.16 |
40.67 | 40.82 | -0.15 |