| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.87 | 0.92 | -0.05 |
| Feb | 1.10 | 1.18 | -0.08 |
| Mar | 2.02 | 2.00 | 0.02 |
| Apr | 3.76 | 3.61 | 0.15 |
| May | 5.07 | 4.87 | 0.20 |
| Jun | 5.11 | 5.16 | -0.05 |
| Jul | 3.96 | 4.02 | -0.06 |
| Aug | 4.08 | 3.85 | 0.23 |
| Sep | 3.42 | 3.27 | 0.15 |
| Oct | 2.57 | 2.62 | -0.05 |
| Nov | 1.80 | 1.74 | 0.06 |
| Dec | 1.27 | 1.34 | -0.07 |
35.03 | 34.58 | 0.45 |