| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.15 | 3.14 | 0.01 |
| Feb | 2.59 | 2.55 | 0.04 |
| Mar | 3.67 | 3.72 | -0.05 |
| Apr | 3.75 | 3.59 | 0.16 |
| May | 3.83 | 3.98 | -0.15 |
| Jun | 4.18 | 4.23 | -0.05 |
| Jul | 4.46 | 4.48 | -0.02 |
| Aug | 4.09 | 3.95 | 0.14 |
| Sep | 4.48 | 4.64 | -0.16 |
| Oct | 3.97 | 3.94 | 0.03 |
| Nov | 3.23 | 3.08 | 0.15 |
| Dec | 3.52 | 3.53 | -0.01 |
44.92 | 44.83 | 0.09 |