| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.67 | 0.66 | 0.01 |
| Feb | 0.86 | 0.86 | 0.00 |
| Mar | 1.49 | 1.47 | 0.02 |
| Apr | 2.60 | 2.48 | 0.12 |
| May | 4.35 | 4.31 | 0.04 |
| Jun | 3.79 | 3.92 | -0.13 |
| Jul | 4.50 | 4.35 | 0.15 |
| Aug | 3.68 | 3.46 | 0.22 |
| Sep | 2.63 | 2.58 | 0.05 |
| Oct | 1.96 | 1.95 | 0.01 |
| Nov | 1.18 | 1.20 | -0.02 |
| Dec | 1.02 | 1.00 | 0.02 |
28.73 | 28.24 | 0.49 |