| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.06 | 2.92 | 0.14 |
| Feb | 3.00 | 2.96 | 0.04 |
| Mar | 3.90 | 3.53 | 0.37 |
| Apr | 3.85 | 3.66 | 0.19 |
| May | 3.65 | 3.50 | 0.15 |
| Jun | 4.18 | 4.21 | -0.03 |
| Jul | 3.81 | 3.63 | 0.18 |
| Aug | 3.65 | 3.65 | 0.00 |
| Sep | 3.92 | 3.75 | 0.17 |
| Oct | 4.59 | 4.52 | 0.07 |
| Nov | 3.79 | 3.54 | 0.25 |
| Dec | 4.04 | 4.00 | 0.04 |
45.44 | 43.87 | 1.57 |