| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.07 | 2.13 | -0.06 |
| Feb | 1.98 | 2.04 | -0.06 |
| Mar | 2.91 | 2.70 | 0.21 |
| Apr | 4.22 | 4.21 | 0.01 |
| May | 4.97 | 4.76 | 0.21 |
| Jun | 4.61 | 4.40 | 0.21 |
| Jul | 4.33 | 4.03 | 0.30 |
| Aug | 3.54 | 3.23 | 0.31 |
| Sep | 3.57 | 3.50 | 0.07 |
| Oct | 3.11 | 2.80 | 0.31 |
| Nov | 2.73 | 2.73 | 0.00 |
| Dec | 2.17 | 2.15 | 0.02 |
40.21 | 38.68 | 1.53 |