| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.58 | 2.55 | 0.03 |
| Feb | 2.78 | 2.68 | 0.10 |
| Mar | 3.54 | 3.56 | -0.02 |
| Apr | 3.53 | 3.44 | 0.09 |
| May | 4.68 | 4.44 | 0.24 |
| Jun | 3.83 | 3.88 | -0.05 |
| Jul | 2.06 | 2.22 | -0.16 |
| Aug | 2.21 | 2.15 | 0.06 |
| Sep | 3.01 | 3.21 | -0.20 |
| Oct | 4.57 | 4.62 | -0.05 |
| Nov | 2.89 | 2.97 | -0.08 |
| Dec | 3.03 | 3.18 | -0.15 |
38.71 | 38.90 | -0.19 |