| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.86 | 3.05 | -0.19 |
| Feb | 2.45 | 2.48 | -0.03 |
| Mar | 3.21 | 3.40 | -0.19 |
| Apr | 3.74 | 3.87 | -0.13 |
| May | 3.96 | 4.08 | -0.12 |
| Jun | 4.42 | 4.57 | -0.15 |
| Jul | 3.98 | 3.86 | 0.12 |
| Aug | 3.52 | 3.73 | -0.21 |
| Sep | 3.35 | 3.32 | 0.03 |
| Oct | 2.98 | 3.16 | -0.18 |
| Nov | 2.88 | 2.90 | -0.02 |
| Dec | 2.88 | 3.11 | -0.23 |
40.23 | 41.53 | -1.30 |