| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.45 | 3.39 | 0.06 |
| Feb | 3.15 | 3.01 | 0.14 |
| Mar | 3.42 | 3.46 | -0.04 |
| Apr | 3.16 | 3.15 | 0.01 |
| May | 3.31 | 3.04 | 0.27 |
| Jun | 5.50 | 5.57 | -0.07 |
| Jul | 5.73 | 5.55 | 0.18 |
| Aug | 6.28 | 6.74 | -0.46 |
| Sep | 4.68 | 4.90 | -0.22 |
| Oct | 3.95 | 4.30 | -0.35 |
| Nov | 2.41 | 2.53 | -0.12 |
| Dec | 3.08 | 3.28 | -0.20 |
48.12 | 48.92 | -0.80 |