| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.76 | 2.94 | -0.18 |
| Feb | 2.21 | 2.45 | -0.24 |
| Mar | 2.65 | 2.99 | -0.34 |
| Apr | 3.23 | 3.51 | -0.28 |
| May | 3.51 | 3.45 | 0.06 |
| Jun | 4.20 | 4.17 | 0.03 |
| Jul | 4.06 | 4.46 | -0.40 |
| Aug | 4.13 | 4.16 | -0.03 |
| Sep | 4.01 | 3.63 | 0.38 |
| Oct | 3.84 | 4.03 | -0.19 |
| Nov | 3.19 | 3.35 | -0.16 |
| Dec | 3.27 | 3.90 | -0.63 |
41.06 | 43.04 | -1.98 |