| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.63 | 3.65 | -0.02 |
| Feb | 2.90 | 2.96 | -0.06 |
| Mar | 3.92 | 3.96 | -0.04 |
| Apr | 3.73 | 3.81 | -0.08 |
| May | 3.68 | 3.54 | 0.14 |
| Jun | 4.34 | 4.17 | 0.17 |
| Jul | 4.16 | 4.16 | 0.00 |
| Aug | 4.45 | 4.26 | 0.19 |
| Sep | 4.32 | 4.62 | -0.30 |
| Oct | 3.25 | 3.21 | 0.04 |
| Nov | 3.32 | 3.38 | -0.06 |
| Dec | 3.35 | 3.51 | -0.16 |
45.05 | 45.23 | -0.18 |