| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.57 | 1.64 | -0.07 |
| Feb | 1.57 | 1.79 | -0.22 |
| Mar | 2.04 | 2.15 | -0.11 |
| Apr | 2.28 | 2.30 | -0.02 |
| May | 3.55 | 3.63 | -0.08 |
| Jun | 2.86 | 3.15 | -0.29 |
| Jul | 2.21 | 2.40 | -0.19 |
| Aug | 1.99 | 2.20 | -0.21 |
| Sep | 3.43 | 3.51 | -0.08 |
| Oct | 2.51 | 2.50 | 0.01 |
| Nov | 1.81 | 1.82 | -0.01 |
| Dec | 1.58 | 1.76 | -0.18 |
27.40 | 28.85 | -1.45 |