| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.65 | 3.44 | 0.21 |
| Feb | 3.54 | 3.62 | -0.08 |
| Mar | 4.88 | 4.90 | -0.02 |
| Apr | 5.33 | 5.16 | 0.17 |
| May | 5.24 | 5.18 | 0.06 |
| Jun | 3.53 | 3.68 | -0.15 |
| Jul | 3.87 | 3.72 | 0.15 |
| Aug | 4.00 | 3.91 | 0.09 |
| Sep | 3.80 | 3.68 | 0.12 |
| Oct | 4.00 | 4.02 | -0.02 |
| Nov | 4.81 | 4.74 | 0.07 |
| Dec | 4.28 | 4.48 | -0.20 |
50.93 | 50.53 | 0.40 |