| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.46 | 3.50 | -0.04 |
| Feb | 3.45 | 3.46 | -0.01 |
| Mar | 4.53 | 4.61 | -0.08 |
| Apr | 4.64 | 4.60 | 0.04 |
| May | 5.28 | 5.26 | 0.02 |
| Jun | 4.93 | 4.81 | 0.12 |
| Jul | 4.92 | 4.74 | 0.18 |
| Aug | 3.61 | 3.50 | 0.11 |
| Sep | 3.60 | 3.48 | 0.12 |
| Oct | 3.65 | 3.45 | 0.20 |
| Nov | 3.27 | 3.40 | -0.13 |
| Dec | 3.97 | 4.15 | -0.18 |
49.31 | 48.96 | 0.35 |