| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.83 | 0.88 | -0.05 |
| Feb | 0.94 | 0.89 | 0.05 |
| Mar | 1.65 | 1.76 | -0.11 |
| Apr | 3.19 | 2.98 | 0.21 |
| May | 4.31 | 4.19 | 0.12 |
| Jun | 4.74 | 5.12 | -0.38 |
| Jul | 4.28 | 4.30 | -0.02 |
| Aug | 4.30 | 4.14 | 0.16 |
| Sep | 3.33 | 3.25 | 0.08 |
| Oct | 2.45 | 2.50 | -0.05 |
| Nov | 1.55 | 1.51 | 0.04 |
| Dec | 1.15 | 1.15 | 0.00 |
32.72 | 32.67 | 0.05 |