| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.32 | 2.31 | 0.01 |
| Feb | 2.00 | 1.85 | 0.15 |
| Mar | 2.69 | 2.84 | -0.15 |
| Apr | 2.61 | 2.53 | 0.08 |
| May | 4.24 | 4.40 | -0.16 |
| Jun | 3.44 | 3.30 | 0.14 |
| Jul | 2.14 | 2.13 | 0.01 |
| Aug | 2.38 | 2.29 | 0.09 |
| Sep | 3.65 | 3.60 | 0.05 |
| Oct | 4.07 | 4.05 | 0.02 |
| Nov | 2.64 | 2.82 | -0.18 |
| Dec | 2.22 | 2.30 | -0.08 |
34.40 | 34.42 | -0.02 |