| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.48 | 3.59 | -0.11 |
| Feb | 2.87 | 2.87 | 0.00 |
| Mar | 4.15 | 4.34 | -0.19 |
| Apr | 3.54 | 3.57 | -0.03 |
| May | 3.76 | 3.68 | 0.08 |
| Jun | 4.22 | 4.21 | 0.01 |
| Jul | 4.88 | 4.88 | 0.00 |
| Aug | 4.58 | 4.76 | -0.18 |
| Sep | 3.83 | 3.91 | -0.08 |
| Oct | 3.95 | 4.05 | -0.10 |
| Nov | 3.32 | 3.28 | 0.04 |
| Dec | 4.17 | 4.38 | -0.21 |
46.75 | 47.52 | -0.77 |