| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.65 | 4.53 | 0.12 |
| Feb | 4.65 | 4.63 | 0.02 |
| Mar | 4.92 | 4.74 | 0.18 |
| Apr | 3.68 | 3.88 | -0.20 |
| May | 3.62 | 3.69 | -0.07 |
| Jun | 4.44 | 4.55 | -0.11 |
| Jul | 4.21 | 4.57 | -0.36 |
| Aug | 4.74 | 4.59 | 0.15 |
| Sep | 3.94 | 3.83 | 0.11 |
| Oct | 3.42 | 3.45 | -0.03 |
| Nov | 3.91 | 3.95 | -0.04 |
| Dec | 4.58 | 4.55 | 0.03 |
50.76 | 50.96 | -0.20 |