| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.27 | 4.22 | 0.05 |
| Feb | 4.21 | 4.05 | 0.16 |
| Mar | 4.56 | 4.87 | -0.31 |
| Apr | 3.35 | 3.14 | 0.21 |
| May | 2.80 | 2.70 | 0.10 |
| Jun | 5.40 | 5.12 | 0.28 |
| Jul | 5.29 | 5.09 | 0.20 |
| Aug | 4.67 | 4.85 | -0.18 |
| Sep | 4.19 | 4.57 | -0.38 |
| Oct | 2.88 | 2.92 | -0.04 |
| Nov | 2.73 | 2.72 | 0.01 |
| Dec | 4.03 | 3.94 | 0.09 |
48.38 | 48.19 | 0.19 |