| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.38 | 3.15 | 0.23 |
| Feb | 2.96 | 2.72 | 0.24 |
| Mar | 4.01 | 3.42 | 0.59 |
| Apr | 3.90 | 3.23 | 0.67 |
| May | 4.40 | 4.16 | 0.24 |
| Jun | 4.14 | 4.05 | 0.09 |
| Jul | 4.51 | 4.22 | 0.29 |
| Aug | 3.85 | 3.77 | 0.08 |
| Sep | 3.41 | 3.11 | 0.30 |
| Oct | 3.03 | 2.81 | 0.22 |
| Nov | 2.89 | 2.46 | 0.43 |
| Dec | 3.23 | 3.03 | 0.20 |
43.71 | 40.13 | 3.58 |