| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.74 | 2.73 | 0.01 |
| Feb | 2.27 | 2.33 | -0.06 |
| Mar | 3.23 | 3.27 | -0.04 |
| Apr | 4.00 | 4.00 | 0.00 |
| May | 4.46 | 4.39 | 0.07 |
| Jun | 4.71 | 4.74 | -0.03 |
| Jul | 4.16 | 4.17 | -0.01 |
| Aug | 3.74 | 3.50 | 0.24 |
| Sep | 3.03 | 3.14 | -0.11 |
| Oct | 3.10 | 3.04 | 0.06 |
| Nov | 3.25 | 3.31 | -0.06 |
| Dec | 2.64 | 2.78 | -0.14 |
41.33 | 41.40 | -0.07 |