| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.83 | -0.11 |
| Feb | 0.76 | 0.87 | -0.11 |
| Mar | 1.52 | 1.52 | 0.00 |
| Apr | 2.93 | 2.91 | 0.02 |
| May | 4.16 | 4.29 | -0.13 |
| Jun | 4.69 | 4.53 | 0.16 |
| Jul | 4.03 | 4.09 | -0.06 |
| Aug | 4.23 | 4.34 | -0.11 |
| Sep | 3.38 | 3.24 | 0.14 |
| Oct | 2.61 | 2.57 | 0.04 |
| Nov | 1.50 | 1.53 | -0.03 |
| Dec | 1.05 | 1.20 | -0.15 |
31.58 | 31.92 | -0.34 |