| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.57 | 4.49 | 0.08 |
| Feb | 4.45 | 4.45 | 0.00 |
| Mar | 4.64 | 4.60 | 0.04 |
| Apr | 3.65 | 3.63 | 0.02 |
| May | 3.55 | 3.38 | 0.17 |
| Jun | 4.78 | 4.75 | 0.03 |
| Jul | 4.09 | 4.24 | -0.15 |
| Aug | 4.86 | 4.53 | 0.33 |
| Sep | 3.91 | 3.91 | 0.00 |
| Oct | 3.28 | 3.33 | -0.05 |
| Nov | 3.74 | 3.75 | -0.01 |
| Dec | 4.70 | 4.74 | -0.04 |
50.22 | 49.80 | 0.42 |