| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.91 | 3.10 | -0.19 |
| Feb | 2.48 | 2.63 | -0.15 |
| Mar | 3.72 | 3.81 | -0.09 |
| Apr | 3.50 | 3.46 | 0.04 |
| May | 3.87 | 3.95 | -0.08 |
| Jun | 4.01 | 3.87 | 0.14 |
| Jul | 4.42 | 4.25 | 0.17 |
| Aug | 3.78 | 3.87 | -0.09 |
| Sep | 4.61 | 4.80 | -0.19 |
| Oct | 3.83 | 3.77 | 0.06 |
| Nov | 3.02 | 3.05 | -0.03 |
| Dec | 3.30 | 3.49 | -0.19 |
43.45 | 44.05 | -0.60 |