| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.02 | 4.23 | -0.21 |
| Feb | 3.60 | 3.67 | -0.07 |
| Mar | 5.05 | 5.08 | -0.03 |
| Apr | 4.30 | 4.36 | -0.06 |
| May | 3.48 | 3.50 | -0.02 |
| Jun | 3.53 | 3.60 | -0.07 |
| Jul | 2.85 | 2.87 | -0.02 |
| Aug | 3.55 | 3.65 | -0.10 |
| Sep | 4.14 | 4.13 | 0.01 |
| Oct | 4.93 | 4.69 | 0.24 |
| Nov | 4.35 | 4.21 | 0.14 |
| Dec | 4.86 | 5.13 | -0.27 |
48.66 | 49.12 | -0.46 |