| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.86 | 7.15 | -0.29 |
| Feb | 4.94 | 4.81 | 0.13 |
| Mar | 5.16 | 5.34 | -0.18 |
| Apr | 3.90 | 3.70 | 0.20 |
| May | 2.58 | 2.29 | 0.29 |
| Jun | 1.73 | 1.74 | -0.01 |
| Jul | 0.55 | 0.50 | 0.05 |
| Aug | 0.84 | 0.80 | 0.04 |
| Sep | 1.92 | 1.67 | 0.25 |
| Oct | 4.27 | 4.72 | -0.45 |
| Nov | 7.47 | 7.16 | 0.31 |
| Dec | 7.76 | 7.69 | 0.07 |
47.98 | 47.57 | 0.41 |