| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.19 | 3.31 | -0.12 |
| Feb | 2.72 | 2.85 | -0.13 |
| Mar | 3.70 | 3.87 | -0.17 |
| Apr | 4.46 | 4.61 | -0.15 |
| May | 4.77 | 4.91 | -0.14 |
| Jun | 4.55 | 4.50 | 0.05 |
| Jul | 4.08 | 4.05 | 0.03 |
| Aug | 3.42 | 3.16 | 0.26 |
| Sep | 3.12 | 3.14 | -0.02 |
| Oct | 3.15 | 3.17 | -0.02 |
| Nov | 3.04 | 3.15 | -0.11 |
| Dec | 3.37 | 3.48 | -0.11 |
43.57 | 44.20 | -0.63 |