| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.19 | 2.09 | 0.10 |
| Feb | 1.81 | 1.92 | -0.11 |
| Mar | 2.39 | 2.50 | -0.11 |
| Apr | 3.60 | 3.66 | -0.06 |
| May | 4.31 | 4.37 | -0.06 |
| Jun | 4.83 | 4.91 | -0.08 |
| Jul | 4.38 | 4.55 | -0.17 |
| Aug | 3.47 | 3.50 | -0.03 |
| Sep | 3.02 | 3.20 | -0.18 |
| Oct | 3.15 | 3.24 | -0.09 |
| Nov | 2.67 | 2.70 | -0.03 |
| Dec | 2.16 | 2.16 | 0.00 |
37.98 | 38.80 | -0.82 |