| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.55 | 3.56 | -0.01 |
| Feb | 2.88 | 3.16 | -0.28 |
| Mar | 3.57 | 3.77 | -0.20 |
| Apr | 3.92 | 4.16 | -0.24 |
| May | 4.06 | 4.41 | -0.35 |
| Jun | 4.88 | 4.87 | 0.01 |
| Jul | 4.58 | 5.03 | -0.45 |
| Aug | 4.43 | 4.40 | 0.03 |
| Sep | 3.92 | 4.20 | -0.28 |
| Oct | 4.95 | 5.21 | -0.26 |
| Nov | 3.65 | 3.86 | -0.21 |
| Dec | 4.13 | 4.59 | -0.46 |
48.52 | 51.22 | -2.70 |