| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.15 | 3.35 | -0.20 |
| Feb | 2.74 | 2.93 | -0.19 |
| Mar | 3.56 | 3.81 | -0.25 |
| Apr | 3.66 | 3.92 | -0.26 |
| May | 3.56 | 3.64 | -0.08 |
| Jun | 4.28 | 4.48 | -0.20 |
| Jul | 4.10 | 4.09 | 0.01 |
| Aug | 3.94 | 4.13 | -0.19 |
| Sep | 4.17 | 4.44 | -0.27 |
| Oct | 4.47 | 4.65 | -0.18 |
| Nov | 3.47 | 3.59 | -0.12 |
| Dec | 3.96 | 4.23 | -0.27 |
45.06 | 47.26 | -2.20 |