| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.68 | 0.82 | -0.14 |
| Feb | 0.71 | 0.75 | -0.04 |
| Mar | 0.98 | 1.00 | -0.02 |
| Apr | 1.66 | 1.60 | 0.06 |
| May | 3.06 | 3.06 | 0.00 |
| Jun | 4.50 | 4.46 | 0.04 |
| Jul | 3.69 | 3.61 | 0.08 |
| Aug | 3.13 | 3.12 | 0.01 |
| Sep | 2.77 | 2.80 | -0.03 |
| Oct | 2.44 | 2.42 | 0.02 |
| Nov | 0.97 | 1.08 | -0.11 |
| Dec | 0.85 | 0.93 | -0.08 |
25.44 | 25.65 | -0.21 |