| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.05 | 1.00 | 0.05 |
| Feb | 1.33 | 1.47 | -0.14 |
| Mar | 2.20 | 2.24 | -0.04 |
| Apr | 3.86 | 3.95 | -0.09 |
| May | 5.15 | 5.39 | -0.24 |
| Jun | 5.11 | 5.17 | -0.06 |
| Jul | 4.68 | 4.50 | 0.18 |
| Aug | 4.13 | 4.32 | -0.19 |
| Sep | 3.78 | 3.94 | -0.16 |
| Oct | 2.98 | 3.03 | -0.05 |
| Nov | 2.13 | 2.07 | 0.06 |
| Dec | 1.45 | 1.44 | 0.01 |
37.85 | 38.52 | -0.67 |