| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.06 | 2.92 | 0.14 |
| Feb | 3.00 | 2.98 | 0.02 |
| Mar | 3.90 | 3.55 | 0.35 |
| Apr | 3.85 | 3.67 | 0.18 |
| May | 3.65 | 3.49 | 0.16 |
| Jun | 4.18 | 4.18 | 0.00 |
| Jul | 3.81 | 3.60 | 0.21 |
| Aug | 3.65 | 3.63 | 0.02 |
| Sep | 3.92 | 3.75 | 0.17 |
| Oct | 4.59 | 4.52 | 0.07 |
| Nov | 3.79 | 3.54 | 0.25 |
| Dec | 4.04 | 4.01 | 0.03 |
45.44 | 43.84 | 1.60 |