| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.53 | 3.51 | 0.02 |
| Feb | 3.35 | 3.55 | -0.20 |
| Mar | 3.50 | 3.66 | -0.16 |
| Apr | 3.44 | 3.52 | -0.08 |
| May | 3.86 | 4.01 | -0.15 |
| Jun | 5.18 | 5.25 | -0.07 |
| Jul | 5.27 | 5.73 | -0.46 |
| Aug | 5.57 | 5.85 | -0.28 |
| Sep | 5.00 | 5.29 | -0.29 |
| Oct | 3.70 | 3.86 | -0.16 |
| Nov | 3.00 | 3.08 | -0.08 |
| Dec | 3.69 | 3.78 | -0.09 |
49.09 | 51.09 | -2.00 |