| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.50 | 3.76 | -0.26 |
| Feb | 2.70 | 2.98 | -0.28 |
| Mar | 4.03 | 4.28 | -0.25 |
| Apr | 4.00 | 4.06 | -0.06 |
| May | 3.90 | 4.05 | -0.15 |
| Jun | 4.64 | 4.87 | -0.23 |
| Jul | 4.34 | 4.47 | -0.13 |
| Aug | 4.40 | 4.60 | -0.20 |
| Sep | 4.45 | 4.57 | -0.12 |
| Oct | 4.56 | 4.67 | -0.11 |
| Nov | 3.61 | 3.77 | -0.16 |
| Dec | 4.30 | 4.60 | -0.30 |
48.43 | 50.68 | -2.25 |