| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.78 | 2.96 | -0.18 |
| Feb | 2.29 | 2.36 | -0.07 |
| Mar | 3.33 | 3.37 | -0.04 |
| Apr | 3.91 | 3.92 | -0.01 |
| May | 4.28 | 4.14 | 0.14 |
| Jun | 4.45 | 4.51 | -0.06 |
| Jul | 4.35 | 4.19 | 0.16 |
| Aug | 3.57 | 3.47 | 0.10 |
| Sep | 3.26 | 3.16 | 0.10 |
| Oct | 2.82 | 2.87 | -0.05 |
| Nov | 2.80 | 2.84 | -0.04 |
| Dec | 2.92 | 3.07 | -0.15 |
40.76 | 40.86 | -0.10 |