| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.17 | 3.57 | -0.40 |
| Feb | 2.23 | 2.67 | -0.44 |
| Mar | 2.68 | 3.10 | -0.42 |
| Apr | 3.47 | 3.62 | -0.15 |
| May | 3.29 | 3.56 | -0.27 |
| Jun | 3.65 | 3.66 | -0.01 |
| Jul | 4.00 | 3.97 | 0.03 |
| Aug | 3.52 | 3.73 | -0.21 |
| Sep | 4.00 | 4.20 | -0.20 |
| Oct | 3.98 | 4.45 | -0.47 |
| Nov | 3.45 | 4.09 | -0.64 |
| Dec | 3.58 | 4.03 | -0.45 |
41.02 | 44.65 | -3.63 |