| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.61 | 2.90 | -0.29 |
| Feb | 2.07 | 2.20 | -0.13 |
| Mar | 2.28 | 2.42 | -0.14 |
| Apr | 3.74 | 3.75 | -0.01 |
| May | 3.93 | 4.15 | -0.22 |
| Jun | 3.63 | 3.79 | -0.16 |
| Jul | 3.39 | 3.32 | 0.07 |
| Aug | 3.44 | 3.54 | -0.10 |
| Sep | 3.23 | 3.22 | 0.01 |
| Oct | 3.88 | 3.94 | -0.06 |
| Nov | 2.92 | 3.13 | -0.21 |
| Dec | 2.55 | 2.70 | -0.15 |
37.67 | 39.06 | -1.39 |