| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.44 | 3.46 | -0.02 |
| Feb | 3.18 | 3.15 | 0.03 |
| Mar | 3.41 | 3.43 | -0.02 |
| Apr | 3.20 | 3.33 | -0.13 |
| May | 3.25 | 3.16 | 0.09 |
| Jun | 5.44 | 5.62 | -0.18 |
| Jul | 5.76 | 5.54 | 0.22 |
| Aug | 6.27 | 6.54 | -0.27 |
| Sep | 4.58 | 4.61 | -0.03 |
| Oct | 3.89 | 3.93 | -0.04 |
| Nov | 2.52 | 2.56 | -0.04 |
| Dec | 3.17 | 3.42 | -0.25 |
48.11 | 48.75 | -0.64 |