| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.65 | 2.73 | -0.08 |
| Feb | 2.28 | 2.41 | -0.13 |
| Mar | 3.12 | 3.14 | -0.02 |
| Apr | 3.56 | 3.69 | -0.13 |
| May | 3.47 | 3.58 | -0.11 |
| Jun | 4.50 | 4.68 | -0.18 |
| Jul | 3.96 | 3.95 | 0.01 |
| Aug | 4.05 | 4.08 | -0.03 |
| Sep | 4.02 | 4.08 | -0.06 |
| Oct | 3.94 | 3.94 | 0.00 |
| Nov | 3.09 | 3.19 | -0.10 |
| Dec | 3.06 | 3.21 | -0.15 |
41.70 | 42.68 | -0.98 |