| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.58 | 1.67 | -0.09 |
| Feb | 1.50 | 1.61 | -0.11 |
| Mar | 1.94 | 2.00 | -0.06 |
| Apr | 3.66 | 3.75 | -0.09 |
| May | 3.81 | 3.89 | -0.08 |
| Jun | 4.53 | 4.53 | 0.00 |
| Jul | 3.67 | 3.82 | -0.15 |
| Aug | 3.76 | 3.70 | 0.06 |
| Sep | 3.20 | 3.11 | 0.09 |
| Oct | 2.80 | 2.80 | 0.00 |
| Nov | 2.08 | 2.12 | -0.04 |
| Dec | 1.79 | 1.95 | -0.16 |
34.32 | 34.95 | -0.63 |