| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.84 | 4.71 | 0.13 |
| Feb | 4.76 | 4.77 | -0.01 |
| Mar | 4.86 | 4.89 | -0.03 |
| Apr | 3.98 | 4.11 | -0.13 |
| May | 3.74 | 3.74 | 0.00 |
| Jun | 4.44 | 4.33 | 0.11 |
| Jul | 4.96 | 4.93 | 0.03 |
| Aug | 4.28 | 4.32 | -0.04 |
| Sep | 3.89 | 3.95 | -0.06 |
| Oct | 3.50 | 3.48 | 0.02 |
| Nov | 4.08 | 4.18 | -0.10 |
| Dec | 4.69 | 4.70 | -0.01 |
52.02 | 52.11 | -0.09 |