| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.01 | 3.22 | -0.21 |
| Feb | 2.60 | 2.65 | -0.05 |
| Mar | 3.27 | 3.32 | -0.05 |
| Apr | 3.43 | 3.38 | 0.05 |
| May | 4.02 | 4.04 | -0.02 |
| Jun | 4.34 | 4.53 | -0.19 |
| Jul | 4.17 | 4.12 | 0.05 |
| Aug | 3.76 | 3.69 | 0.07 |
| Sep | 3.44 | 3.36 | 0.08 |
| Oct | 2.93 | 3.01 | -0.08 |
| Nov | 2.84 | 2.98 | -0.14 |
| Dec | 3.11 | 3.31 | -0.20 |
40.92 | 41.61 | -0.69 |