| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.81 | 2.80 | 0.01 |
| Feb | 2.46 | 2.65 | -0.19 |
| Mar | 3.12 | 3.23 | -0.11 |
| Apr | 3.45 | 3.60 | -0.15 |
| May | 3.58 | 3.59 | -0.01 |
| Jun | 4.37 | 4.40 | -0.03 |
| Jul | 4.15 | 4.36 | -0.21 |
| Aug | 3.98 | 3.99 | -0.01 |
| Sep | 3.59 | 3.64 | -0.05 |
| Oct | 3.89 | 4.19 | -0.30 |
| Nov | 3.05 | 3.05 | 0.00 |
| Dec | 3.30 | 3.65 | -0.35 |
41.75 | 43.15 | -1.40 |