| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.54 | 2.62 | -0.08 |
| Feb | 2.43 | 2.51 | -0.08 |
| Mar | 4.09 | 3.90 | 0.19 |
| Apr | 4.94 | 4.97 | -0.03 |
| May | 5.99 | 5.86 | 0.13 |
| Jun | 4.70 | 4.75 | -0.05 |
| Jul | 3.98 | 4.00 | -0.02 |
| Aug | 3.79 | 3.61 | 0.18 |
| Sep | 4.30 | 4.15 | 0.15 |
| Oct | 4.43 | 3.93 | 0.50 |
| Nov | 3.95 | 3.78 | 0.17 |
| Dec | 3.17 | 3.10 | 0.07 |
48.31 | 47.18 | 1.13 |