| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.63 | 2.71 | -0.08 |
| Feb | 2.47 | 2.54 | -0.07 |
| Mar | 4.09 | 4.17 | -0.08 |
| Apr | 4.75 | 5.05 | -0.30 |
| May | 5.44 | 5.23 | 0.21 |
| Jun | 4.10 | 4.26 | -0.16 |
| Jul | 3.81 | 3.99 | -0.18 |
| Aug | 3.23 | 3.03 | 0.20 |
| Sep | 4.13 | 4.40 | -0.27 |
| Oct | 3.51 | 3.68 | -0.17 |
| Nov | 3.86 | 3.90 | -0.04 |
| Dec | 2.83 | 2.67 | 0.16 |
44.85 | 45.63 | -0.78 |