| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.48 | 3.50 | -0.02 |
| Feb | 2.82 | 2.82 | 0.00 |
| Mar | 4.16 | 4.20 | -0.04 |
| Apr | 3.75 | 3.76 | -0.01 |
| May | 3.76 | 3.78 | -0.02 |
| Jun | 4.32 | 4.32 | 0.00 |
| Jul | 4.13 | 4.46 | -0.33 |
| Aug | 4.15 | 4.26 | -0.11 |
| Sep | 4.44 | 4.84 | -0.40 |
| Oct | 3.47 | 3.46 | 0.01 |
| Nov | 3.30 | 3.28 | 0.02 |
| Dec | 3.54 | 3.57 | -0.03 |
45.32 | 46.25 | -0.93 |