| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.65 | 3.70 | -0.05 |
| Feb | 2.93 | 2.94 | -0.01 |
| Mar | 4.25 | 4.20 | 0.05 |
| Apr | 3.79 | 3.84 | -0.05 |
| May | 3.76 | 3.80 | -0.04 |
| Jun | 4.43 | 4.39 | 0.04 |
| Jul | 4.46 | 4.45 | 0.01 |
| Aug | 4.27 | 4.21 | 0.06 |
| Sep | 4.85 | 5.01 | -0.16 |
| Oct | 3.56 | 3.40 | 0.16 |
| Nov | 3.39 | 3.39 | 0.00 |
| Dec | 3.60 | 3.58 | 0.02 |
46.94 | 46.91 | 0.03 |