| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.10 | 4.11 | -0.01 |
| Feb | 2.54 | 2.60 | -0.06 |
| Mar | 2.33 | 2.59 | -0.26 |
| Apr | 1.70 | 1.88 | -0.18 |
| May | 1.32 | 1.50 | -0.18 |
| Jun | 1.05 | 1.19 | -0.14 |
| Jul | 0.65 | 0.66 | -0.01 |
| Aug | 0.92 | 0.82 | 0.10 |
| Sep | 1.48 | 1.45 | 0.03 |
| Oct | 3.19 | 3.11 | 0.08 |
| Nov | 4.55 | 4.40 | 0.15 |
| Dec | 3.91 | 3.99 | -0.08 |
27.74 | 28.30 | -0.56 |