| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.29 | 3.45 | -0.16 |
| Feb | 2.83 | 2.89 | -0.06 |
| Mar | 3.84 | 3.98 | -0.14 |
| Apr | 4.57 | 4.72 | -0.15 |
| May | 4.82 | 5.01 | -0.19 |
| Jun | 4.72 | 4.72 | 0.00 |
| Jul | 4.14 | 4.08 | 0.06 |
| Aug | 3.37 | 3.32 | 0.05 |
| Sep | 3.11 | 3.23 | -0.12 |
| Oct | 3.24 | 3.25 | -0.01 |
| Nov | 3.21 | 3.28 | -0.07 |
| Dec | 3.50 | 3.70 | -0.20 |
44.64 | 45.63 | -0.99 |