| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.78 | 4.90 | -0.12 |
| Feb | 4.90 | 4.84 | 0.06 |
| Mar | 5.01 | 5.16 | -0.15 |
| Apr | 4.42 | 4.42 | 0.00 |
| May | 3.96 | 4.16 | -0.20 |
| Jun | 3.90 | 3.98 | -0.08 |
| Jul | 4.05 | 4.50 | -0.45 |
| Aug | 3.80 | 3.83 | -0.03 |
| Sep | 4.12 | 4.38 | -0.26 |
| Oct | 3.53 | 3.43 | 0.10 |
| Nov | 4.27 | 4.21 | 0.06 |
| Dec | 4.95 | 5.43 | -0.48 |
51.69 | 53.24 | -1.55 |