| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.86 | 2.97 | -0.11 |
| Feb | 2.45 | 2.55 | -0.10 |
| Mar | 3.29 | 3.66 | -0.37 |
| Apr | 3.19 | 3.33 | -0.14 |
| May | 4.08 | 4.43 | -0.35 |
| Jun | 3.99 | 4.19 | -0.20 |
| Jul | 4.12 | 3.99 | 0.13 |
| Aug | 3.50 | 3.58 | -0.08 |
| Sep | 3.99 | 4.18 | -0.19 |
| Oct | 3.67 | 3.70 | -0.03 |
| Nov | 2.94 | 3.13 | -0.19 |
| Dec | 3.32 | 3.45 | -0.13 |
41.40 | 43.16 | -1.76 |