| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.21 | 2.96 | 0.25 |
| Feb | 2.61 | 2.38 | 0.23 |
| Mar | 3.24 | 3.18 | 0.06 |
| Apr | 3.92 | 3.60 | 0.32 |
| May | 4.10 | 3.95 | 0.15 |
| Jun | 4.31 | 4.53 | -0.22 |
| Jul | 4.43 | 4.42 | 0.01 |
| Aug | 4.46 | 3.92 | 0.54 |
| Sep | 4.31 | 4.21 | 0.10 |
| Oct | 4.36 | 3.98 | 0.38 |
| Nov | 3.19 | 3.09 | 0.10 |
| Dec | 3.32 | 3.13 | 0.19 |
45.46 | 43.35 | 2.11 |