| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.50 | 2.82 | -0.32 |
| Feb | 2.04 | 2.23 | -0.19 |
| Mar | 2.70 | 2.87 | -0.17 |
| Apr | 3.45 | 3.56 | -0.11 |
| May | 3.64 | 3.46 | 0.18 |
| Jun | 3.73 | 3.52 | 0.21 |
| Jul | 3.63 | 3.40 | 0.23 |
| Aug | 3.41 | 3.48 | -0.07 |
| Sep | 3.69 | 3.55 | 0.14 |
| Oct | 3.40 | 3.53 | -0.13 |
| Nov | 3.09 | 3.09 | 0.00 |
| Dec | 2.67 | 2.96 | -0.29 |
37.95 | 38.47 | -0.52 |