| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.55 | 3.62 | -0.07 |
| Feb | 2.41 | 2.69 | -0.28 |
| Mar | 2.92 | 3.12 | -0.20 |
| Apr | 3.63 | 3.67 | -0.04 |
| May | 3.46 | 3.67 | -0.21 |
| Jun | 3.89 | 4.04 | -0.15 |
| Jul | 4.07 | 3.85 | 0.22 |
| Aug | 3.61 | 3.60 | 0.01 |
| Sep | 4.11 | 4.13 | -0.02 |
| Oct | 4.13 | 4.24 | -0.11 |
| Nov | 3.75 | 4.05 | -0.30 |
| Dec | 3.81 | 3.99 | -0.18 |
43.34 | 44.67 | -1.33 |